HP NetServer AA 4000 HP AA HP Netserver 4000 Reference Guide
HP NetServer AA 4000 Manual
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- HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 1
HP AA NetServer 4000 Reference Guide Printed in March 2000 - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 2
HP NetServer AA Notice The information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett- - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 3
AA 4000 Reference Guide Contents CHAPTER ONE ~ARCHITECTURE OVERVIEW AND TERMINOLOGY 1-1 What is HP AA?...1-2 SYSTEM BOOT UP 2-1 Verifying the MIC connections ...2-2 Checking the SSDL LEDs ...2-2 Troubleshooting a "RED" LED ...2-4 The MTCTEST utility...2-4 Powering Up the HPAA System...2-7 Cabling - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 4
...5-14 Upgrading an Installed System to an SMP IOP System 5-15 Other Upgrade and Downgrade Options 5-15 Updating/Patching Windows NT with Service Packs 5-16 For the CE Operating System ...5-16 For the IOP Operating System...5-16 Updating NT Applications...5-17 CHAPTER SIX ~BACKUP AND RESTORE - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 5
AA 4000 Reference Guide Network Backups ...6-4 Configuration Comparisons ...6-5 Backup Confiurguration Setup Notes 6-6 Pure- Disk 7-21 Replacing a Failed NetRAID Adapter 7-22 Reenabling faulted Components ...7-23 Troubleshooting Tips ...7-23 Common Problems ...7-24 Network Server Division v - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 6
- HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 7
Ch 1: Architecture Overview and Terminology Chapter One ~ Architecture Overview and Terminology This chapter contains a brief overview of the HP AA system based on the Endrance 4000 software from Marathon Technologies. Topics to be covered include: • HP AA Components • Installation Overview • How - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 8
AA 4000). Though HP AA is a HP product sold by HP and supported by HP, the system splash screens, administrative tools, and product documentation will and the firmware of the interconnect cards. For the remainder of this reference guide, when referring to the array as a whole, the convention used is - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 9
Ch 1: Architecture Overview and Terminology HPAA Components There are four major hardware componenets of the HPAA system: • The NetServers - Four NetServers are needed, two perform a synchronous operation of the NT operating system and the other two perform asynchronous I/O operations. • - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 10
with the system. It may be necessary during maintenance procedures to re-install the software (details on this operation is found in Chapter 6 of this guide). The AA 4000 software exists on the same logical drive where the Windows NT system files are located for all four NetServers. Some of the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 11
Ch 1: Architecture Overview and Terminology place only through AA 4000 Management Tools or Utilities. The Logical Server Logical servers are created from an array of four separate servers. Computing is distinctly separate from the input/output (I/O) processing, and the array runs simultaneously on - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 12
HP NetServer AA allowing for the fail through performance should anything happen to one of the CEs. I/O Processors The other two NetServers take the roles of I/O Processors (IOPs). Within the AA 4000 software the IOPs are numbered IOP1 and IOP2. An IOP performs all I/O operations on behalf of the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 13
Ch 1: Architecture Overview and Terminology The term tuple simply refers to the pair of one CE and one IOP connected through one SSDL. Tuples are important during installation and when trying to determine the status of the array. By default, CE1 attempts comminucation with IOP1 first, and then IOP2 - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 14
Given these parameters, it is recommended to have four Windows NT Server licenses. Windows NT Enterprise Edition is rarely needed since the HPAA only supports a single CPU and the MS clustering service is not used. Windows NT Workstation is not recommended for the IOPs since future upgrades will not - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 15
maximum amounts of CPU and memory required for the application that stays within the limits of the memory support of the physical server and the fact that the HP AA 4000 software currently supports one CPU and a maximum of 2 GB of system memory. The system will generate I/O requests, but they are - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 16
AA Client Network Access The HPAA System provides client network access to one logical server. As a single logical server, the system can provide services and applications to clients just like any other NT Server. However, the implementation of the network hardware and software is different than - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 17
the SCSI identifier for the logical drives that the AA 4000 software will "redirect" to the ownership of the CE. In the AA 4000 Installation Guide bundled with the system (also an Adobe Acrobat file on the AA 4000 CD), there are several blank charts for recording SCSI device information. This - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 18
Here is an example of the SCSI information needed from the Windows NT Registry: When filling out the SCSI configuration chart included in the Installation Guide, the following notes are some reminders about the configurations of SCSI devices: • SCSI Bus Numbers - Be sure to have all of the drivers - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 19
this problem from occurring, you must change the default load order used by Windows NT. Changing the Windows NT default load order for SCSI adapter drivers requires modification to the Registry. Each adapter driver has a Registry key located at: \HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 20
HP NetServer AA Device Redirection With the disk and network resources existing on the IOPs, but "owned" and accessed by the CEs, the AA 4000 software has to have a way to make this happen. The method is called device redirection. First, let's start with a list of devices than can be redirected: • - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 21
Ch 1: Architecture Overview and Terminology The keyboard and the mouse connected to the IOPs are automatically redirected to the CEs when they boot. Control of the keyboard and mouse can be switched back to the IOP or to the CE by pressing . The HP AA 4000 Configuration Utility - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 22
HP NetServer AA Putting it all together Before the conclusion of the chapter, the following is a review of all of the AA 4000 components and how they work together. Using the diagram below, the best way to understand how the system works, is to trace a typical client transaction with the HPAA system - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 23
Ch 1: Architecture Overview and Terminology synchronous. At the IOP level, due to the different spin rates of the disk drives, the I/O is asynchronous. The query results are eventually gathered by the CE (remember, the CE is running the SQL server application, not the IOP) and passed by both CEs to - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 24
HP NetServer AA NetServer Rackmount Configurations So far the diagrams used to describe the HPAA system have shown the NetServers out of the rack to help illustrate the components and their functions. The following is a look at the different configurations available when ordering the HPAA system. - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 25
Ch 1: Architecture Overview and Terminology NetServer LPr as the CE and the IOP Network Server Division 1-19 - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 26
HP NetServer AA Rules for maintaining availability There really is only one rule when working with the HPAA system: Always maintain the highest level of availability. How is this done? Here are a few simple reminders to adhere to when working with or adminstrating the HPAA system: • Never shutdown - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 27
the system and beginning to use it, the proper hardware connections should be verified. In the event there is a problem with the basic connections, how to use the MTCTEST utility ti troubleshoot will be covered first. The remainder of the chapter will discuss the process from power on to HPAA system - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 28
system and re-checking the connections when a failure of any type occurs in the system. A quick visual inspection can save hours of needless troubleshooting if in fact there is a problem with a MIC cable or even the MIC itself. Checking the SSDL LEDs On the front of each SSDL are a series of LEDs - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 29
and the LED is still "red," then there may be a problem with the MIC cable connection for that node or a problem with the MIC itself. In this case, a further inspection and/ or utility tests are needed to isolate the problem. Tuple IDs Also on the front of the SSDLs are tuple - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 30
is the MIC cable, the port it is plugged into, or the MIC itself. Troubleshoot this situation as follows: Disconnect the cable at the point where the LED indicates there is a problem. For example, if the LED that interesects column 2 and the "compute" row is red, then remove the cable from the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 31
Ch 2: HPAA System Boot Up MICs must be used meaning the MTCTEST must be run on two NetServers simultaneously. NOTE Create two utility diskettes for easier testing. Before running the MTCTEST verify: • All MIC cables and the tuple link cable are securely attached. • The tuple ID LED buttons are - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 32
they are verified for integrity. Failures in this test typically indicate a problem with the DMA engine on the host or MIC adapters. The DMA test one CE and one IOP). This test runs until it is stopped by manually pressing CTRL-C. Approximately one minute of error-free runtime indicates a fully - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 33
Ch 2: HPAA System Boot Up Powering Up the HPAA System There are up to eight components that need to be powered on in order to use the HPAA system (not counting any UPS devices in the rack): • Four NetServers • Two SSDLs • Console Switch Box • Monitor Before examining the power on sequence, first - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 34
HP NetServer AA overtighten, as this will potentially break the screw, or cause the screw to be stuck and the cable cannot be easily removed. Recommended Cabling Order When installing the ribbon cables, the following order is recommended: 1. Connect the CEs to the SSDLs (5 feet cables) 2. Connect - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 35
Ch 2: HPAA System Boot Up the viewing of both CEs and IOPs. The HP Console switch has specific cabling requirements. To correctly cable the HP console switch within the array, use the following steps. 1. Verify the Monitor, Console switch, and keyboard kit have been rack-mounted 2. Gather the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 36
HP NetServer AA outlets to go to each tuple as pictured above. One of the PDUs will have to be used for the video monitor. NOTE If four NetServer LH4s are rack-mounted in a single cabinet, four PDUs are required. UPS systems are highly recommended and should be used for each PDU. For the optimum in - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 37
Ch 2: HPAA System Boot Up logs, and start troubleshooting. Once the IOPs are joined then it is time to power on the on to CE2. If CE1 does not boot, then check the NT error logs on the IOPs and start troubleshooting. 4. Power on CE2 - Short after POST, it will not boot Windows NT from the disks, but - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 38
. • Offline Marathon Mode - This is the best option for maintenance. Selecting this menu option will boot Windows NT and some of the AA 4000 software services. SCSI devices will not be redirected and are available locally. The IOP is not active in the AA 4000 configuration. NOTE Both IOPs must be - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 39
can initiate this process. IOP Boot Once an IOP has started it will go into Online Mode as long as there are no other configuration problems. When the second IOP comes online it will contact the first IOP and check to see if a disk mirror operation is necessary. The second IOP - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 40
HP NetServer AA Detailed Boot Steps - IOPs When in doubt about what component is failing, watch the AA 4000 boot process from POST of the server to the POST of the system, and at the same time, look at what the error logs are recording, and watch the Marathon Manager console. Follow it along to - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 41
CE1 versus CE2, the two screens will always look the same since they are in "lockstep." Using Two Monitors In the AA 4000 Users Guide and Installation Guide, an array is typically cabled similar in logic to the diagram below: If two video monitors are used, then to view a particular server in - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 42
HP NetServer AA Using One Monitor Using two monitors is not practical, especially in a rack mount environment. One monitor cabled to a console switch allows for the viewing of any of the four servers. The SSDL video switch is still used, so there are essentially two switches that have to be used in - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 43
Ch 2: HPAA System Boot Up SSDL for the tuple being accessed and then press to gain control of the keyboard and mouse. Network Server Division 2-17 - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 44
HP NetServer AA Shutting Down the System There are various methods to shut down the system, power down the system, or remove a component from the array. It is imperative that the administrator understands what the goal is before issuing a command to the system that removes the component or shuts - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 45
information on using MTCCONS, see the AA 4000 Users Guide. Removing Components Most components of the HPAA system can be component out of the system. A component that has been "failed out" must be manually enabled upon repair. For the purposes of administering the HPAA system, the terms "remove" - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 46
HP NetServer AA 2-20 without it). For a disabled IOP to rejoin the array issue an IOP Enable Operation command. Before disabling an IOP, verify that: • The IOP to be shut down is not marked as the source of a mirror copy. • Make sure that the other IOP is active. • If possible, perform any - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 47
is not to issue a shutdown command, but rather, issue a disable command. Just remember, any component that has been disabled must be manually re-enabled; the AA 4000 software does not automatically enable components. Avoiding Unnecessary Re-Mirror Operations When performing shutdown commands, it is - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 48
based administrative commands when the CE is not available The IOPs do support the installation of additional applications, but other than management tools this have the tools and accessories needed to optimize performance conditions and services for the network, always think in terms of the CE. - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 49
memory needed to run the aplication. Both CEs mus have matching amounts of system memory. The CEs support 1 CPU currently up to 600 MHz and up to 1 GB of system memory; this is enough to support most mid-range and up application environments. • Setting up file shares - By right clicking on the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 50
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Ch 3: AA 4000 and HP management Tools Chapter Three ~ AA 4000 and HP Management Tools Mangement of the HPAA system is made easy by the use of the Marathon System Management Utility (MSM) or "Marathon Manager" for short. This tool can be run on any of the systems in the array or on a client. Other - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 52
running their own copy of Windows NT and spending most of the time servicing the I/O requests that come through the MIC. For disks, this is in the software architecture: • I/O Redirector - In the CE's, for each supported device, the redirector intercepts I/O requests in the CE and moves them to the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 53
Ch 3: AA 4000 and HP management Tools • Marathon Transport - This handles all data movement within the array where the redirectors and providers are concerned. It works in conjunction with a Device Synchronization Layer to make devices appear as one to the CEs and move the data using Marathon - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 54
the CE. The MSM is the primary tool for array management and status monitoring. All activity in managing the array starts with this tool. All troubleshooting scenarios should also start with this tool whenever possible to get a quick status check of the health of the entire array. The MSM is - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 55
Ch 3: AA 4000 and HP management Tools Remote Management The Marathon Manager can be installed on a remote workstation to administer the AA 4000 array. Connection can be done using either a local area network or a modem. After installing the Marathon Manager and establishing the remote connection, - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 56
HP NetServer AA MSM - Main Screen Upon installation, the Marathon Manager is available through the Windows NT Start button > Programs > Marathon > Marathon Manager, or, Start > Run and type mtcmgr. When launching at the CE or the IOP, the MSM will automatically connect to the local array. The MSM - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 57
Ch 3: AA 4000 and HP management Tools Control and Display From the tools menu is the Control and Display window that acts as a command initiator window. This screen is also available by double clicking on a component in the Administration menu. The window displays the commands, options, and - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 58
action and operation should be performed only on some commands. Parameter Enter parameters such as intergers or true/false flags of a command that supports it. Verbose Output When checked, the executing of some commands will result in a more verbose display of the result. Confirm Command By - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 59
MSM Preferences Ch 3: AA 4000 and HP management Tools From the tools menu, select options to get to the preferences screen. This screen configures the monitoring parameters. The time in seconds between updates can be set for the Administration window through polling and the time can be set for - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 60
HP NetServer AA Device Status The device status screen can be seen as part of the main administration view. It will not be seen as the default when launching the MSM. To view the status screen as a separate window, check the appropriate box in the preferences (options) screen. 3-10 Hewlett- - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 61
Ch 3: AA 4000 and HP management Tools The following is a color legend to help interpret the status of each component: Color Component Indicates Blue All Booting* or Joining* Blue-Green All Ready Dark Green Ethernet Adapters Standby Interconnects Online SCSI Disks Destination disk of a - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 62
HP NetServer AA Last Mirror Copy Status Just like the Device Status window, the mirror copy status window appears on the main administration view by changing the preferences (options). Because this window displays the last mirror copy status from a particular IOP, it is possible for the IOPs to - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 63
Utilities Ch 3: AA 4000 and HP management Tools From the Tools menu, the administrator can access commonly used Windows NT utilities. The NT utilities available are: • Control Panel • Disk Administrator • Event Viewer • Explorer • File Manager • Notepad • Performance Monitor • Registry Editor The - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 64
Levels header shows the version number and a twoletter identifier for the type of revision. The abbreviations are as follows: • RL: Release • HF: Hot Fix • SP: Service Pack 3-14 Hewlett-Packard Company - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 65
not be loaded on the Compute Element, as it will cause failures. For the IOPs, the full version of HP TopTools and the agents are supported. However, an additional network card is needed to access the HP TopTools information on the IOP considering that the remaining network cards are "redirected - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 66
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Chapter Four ~ Networking Explained Ch 4: Networking Explaineds Given the fact that the HPAA system provides application services to the network, it is very important to install and configure the network components correctly. There are three different network types at work when using - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 68
the TCP/IP settings may need to be changed). The AA 4000 based HPAA system supports the HP NetServer LH 3 or LH 4 as the IOP. All of the Keep in mind for the ease of upgrading in the future; the network cards are supported in any PCI slot. Given the choice of PCI slots based on performance, the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 69
4: Networking Explaineds Windows NT Bus Numbering Network services, protocols, and bindings will have to be slot numbering is known. Incorrect bindings and protocols on the network cards can cause problems for disk mirroring and client/server access. One strategy of making sure the correct - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 70
HP NetServer AA Gathering Networking Information In order to successfully configure the network cards, gather the following information: • MAC addresses • PCI Slot location • Subnet attached to / planned TCP/IP address This information will be used to configure the network cards in the Marathon - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 71
SplitSite configuration. Gigabit Ethernet is also supported as a network medium for the set in half-duplex mode, the problems experienced by the HPAA System when well as a failed IOP that must be manually enabled. NOTE The IOP Link can be services, protocols, and bindings. Network Server Division 4-5 - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 72
of the PCI slot use. Armed with the above information, the protocols and services can be set up on known, good equipment. The bindings to be deployed as card in each IOP with these bindings, the cards do not support Adapter Fault Tolerance, and they are NOT "redirected" devices to be configured - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 73
the network cards to be used as the public network, any NDIS 4 compliant network card with Windows NT 4.0 drivers will work. These cards also must support the capability of having their MAC addresses "soft-set" by the Marathon software into the NT registry. This is part of NDIS 4 standards, so any - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 74
. As part of the configuration, the MAC address from one card will be used by the other card simultaneously. This is important to know when troubleshooting so that the administrator avoids booting the IOP into maintenance mode and places on the same local LAN segment a NetServer using its own "real - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 75
. Each physical network card will NOT be bound to a traditional protocol. Instead, each network card will only have the Marathon Datagram Service and the Marathon Ethernet Provider as its only enabled bindings. Along with the traditional protocol, the MtcEtx protocol will be disabled. Public - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 76
HP NetServer AA CE Bindings The adapter that works in conjunction with the public rail is the MTCETHR Virtual adapter. This adapter is an Ethernet Redirector and is "matched up" with the pair of adapters in the IOP, which are bound to Ethernet Providers. To logically follow the path, the IOP, being - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 77
Ch 4: Networking Explaineds segment B via a different path, then the MTCETHRs need to reflect that in their addressing. The bindings to each MTCETHR consist of the appropriate traditional network protocol. Public Network to IOP to CE and Back. Now that all of the protocols and bindings are in place, - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 78
HP NetServer AA The Virtual Network As mentioned earlier, each IOP and CE will have a virtual network adapter for the purposes of creating an internal network in the array. The virtual adapters are not associated with a physical network card. Any use of the virtual network or traffic generated - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 79
are disabled for the virtual adapters. There is no need for the Marathon Datagram Service, the Marathon Ethernet Provider, and the MtcEtx driver. The virtual adapters themselves are slightly different between the CEs and the IOPs. The IOPS use a virtual - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 80
is needed for whatever reason. It could be to offload traffic from one public rail and have more aggregate bandwidth, or it could be to service clients from a specific LAN segment. There are two choices of methods to add a public rail. One choice places the emphasis on uptime and will only - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 81
Ch 4: Networking Explaineds • The IOPs have the actual HP 10/100 TX driver installed and it is listed in the network properties in Winodws NT on the IOP even if the network cards are being redirected. Through the protocol "Marathon Ethernet Provider" it establishes a relationship with a MTCETHR - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 82
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Technologies. Topics to be covered include: • Adding hard disk space • Adding SCSI Devices (HBA's, HP NetRAID) • Upgrading the Marathon Software • Updating/Patching Windows NT with Service Packs • Updating NT Applications Network Server Division 5-1 - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 84
HP NetServer AA Before Upgrading the HP AA System Adding components to an existing HP AA Array is not as simple as adding components to a standalone system. Many considerations must be taken into account to ensure the array experiences no downtime or at least the minimum downtime necessary for the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 85
the array. Before performing any upgrade ensure all system documentation, user guides, installation guides, and software is available. Remember, preparation is the key to the Marathon Software • Updating/Patching Windows NT with Service Packs • Updating NT Applications Network Server Division 5-3 - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 86
HP NetServer AA Adding Additional Storage to the Array During the life cycle of any Server system there is a high likelihood the storage space will need to be increased. Adding storage to the Endurance 4000 array is not a difficult process but there are a few areas where care must be taken. When - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 87
Ch 5: System Upgrades installation of the Marathon array and should still be available. If not, take the time to document it now: • How many physical drives are present in the LH3 or LH4. • What are the RAID set configurations for the drives? • What logical drive is used for the IOP NOS? • What - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 88
HP NetServer AA The Disk Administrator is used to create the partitions on the new drive. Make sure to create the special Marathon partition at the end of the drive. Do not format this partition or assign a drive letter to this partition. All partitions other than the Marathon partition must be - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 89
Ch 5: System Upgrades This is the point where previous documentation comes in handy. By comparing the previous 4 digit SCSI IDs with the IDs displayed in the Registry it should be easy to pick out the new ID. Record the new ID for future use. Make sure the other IOP has the same 4 digit SCSI for - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 90
HP NetServer AA Before adding the additional storage After adding the storage. 5-8 Hewlett-Packard Company - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 91
Ch 5: System Upgrades The best method for modifying the Marathon configuration is to make the modifications on one IOP, save it and copy to the other IOP. Reboot the array At this point everything is ready. A final reboot of the entire array is necessary for the disks to be redirected to the CEs. - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 92
HP NetServer AA The following table should be followed when installing additional devices. Type NetServer PCI Card 1st Choice Other Choices MIC CE LPr RMC Slot 1 Slot 2 MIC Slot 8 NetRAID-3Si (1) Slot 7 NetRAID-3Si (2) Slot 1 Or SCSI HBA (1) Slot 7 IOP LH 3/4r Or SCSI HBA (2) Slot 1 - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 93
the upgrade that you are applying includes support for that hot fix. If it does not, contact HP Support. • Do not apply hot fixes IOPs are upgraded one at a time including adding the latest Marathon networking services and ending with the shutting down of the IOPs. WARNING When upgrading the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 94
open Explorer, access the CDROM and launch setup.exe. • Follow the instructions displayed on the screen and configure the Endurance 4000 for your environment. the Network Neighborhood. Refer to the section on Networking or the User Guide for details on the Bindings. • When prompted to reboot answer - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 95
documentation. • If you are running Windows NT Server on the IOP, configure the Network, Service, Server, and Properties to Maximize for Network Performance. • Determine whether the Marathon Datagram Service (MtcDgs) is installed on your server. If not, install and bind it using the procedures - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 96
the Endurance 4000 Release Notes for newly installed software. If you are have difficulty installing the upgrade: • Verify that the Marathon Datagram Service (MtcDgs) is properly installed and bound. • Verify that the Marathon MtcVnP Virtual Adapter is properly installed. • Make sure that all four - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 97
when an additional processor is added. If the need arises for upgrading a system from a single processor kernel to a multi-processor kernel, the User Guide contains detailed steps to accomplish this task. Other Upgrade and Downgrade Options There are three other upgrade and downgrade options in the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 98
Packs on each system of the array. The only consideration is that the Service Pack must be supported. Examine the Readme file located on the Marathon CDROM for the supported Support Packs. One reboot is required for a Service Pack upgrade of all systems. If only the IOPs will be upgraded they - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 99
Ch 5: System Upgrades Updating NT Applications The key to upgrading NT Applications is to make sure the upgrade is performed on the proper machine. All array applications run on the CE operating system. Generally, applications are upgraded using a CDROM. Since the CE does not have it's own CDROM, a - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 100
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Chapter Six ~ Backup and Restore Ch 6: Backp and Restore Even though the HPAA system provides an unprecendented level of availability for Windows NT, it does eliminate the needs for backups. Even if the HPAA system never went down in two years, it would be nice to have a backup simply for disaster - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 102
HP NetServer AA Backup topologies and tradeoffs There are many backup topologies one might consider for backing up HPAA systems. To help system administrators configure and setup backups HP recommends three topologies: • Pure-local backup configuration • Semi-local backup configuration • Network - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 103
Ch 6: Backp and Restore NOTE "Autoloader" tape devices for local backup are not supported at the time of this writing. Backup software, such as Veritas Backup Exec 7.3 or Computer Associates ArcServe IT 6.61, is installed on the CE and - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 104
HP NetServer AA Network Backups In this configuration all backups (CEs and IOPs) are performed over a dedicated backup network. A redirected pair of network cards is configured as a "public LAN" through the Marathon Configuration Utility, but instead of being used for client network access, it is - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 105
Ch 6: Backp and Restore The IOPs will have one NIC each that is not redirected and will be connected to the same switch for the network backups. In this configuration, the backup software backs up the CE and the two IOPs as three individual systems. Configuration Comparisons The following table - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 106
the DLT tape drives; each IOP owns the DAT drive that is directly attached. • Follow the Marathon SCSI configuration rules in the AA 4000 Installation Guide. Non-shared SCSI devices must use SCSI IDs that are used on only one of the IOP (e.g. if a DLT drive has SCSI ID 4 on a SCSI - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 107
default CE communication) Disable - NetBEUI Protocol Disable - TCP/IP Protocol Disable - Wins Client (TCP/IP) Enable - Marathon Datagram Services Enable - Marathon Ethernet Provider Disable - MTCEtx driver • Marathon MtcVnP Virtual Adapter Enable - NetBEUI Protocol Disable - TCP/IP Protocol Disable - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 108
HP NetServer AA Enable - Marathon Datagram Services Enable - Marathon Ethernet Provider Disable - MTCEtx driver 2. Configure a unique IP address for each dedicated IOP network connection. 3. Next, go to the CE Network Properties, and - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 109
default CE communication) Disable - NetBEUI Protocol Disable - TCP/IP Protocol Disable - Wins Client (TCP/IP) Enable - Marathon Datagram Services Enable - Marathon Ethernet Provider Disable - MTCEtx driver • Marathon MtcVnP Virtual Adapter Enable - NetBEUI Protocol Disable - TCP/IP Protocol Disable - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 110
for dedicated backup CE network) Disable - NetBEUI Protocol Disable - TCP/IP Protocol Disable - Wins Client (TCP/IP) Enable - Marathon Datagram Services Enable - Marathon Ethernet Provider Disable - MTCEtx driver 3. Configure a unique IP address for each dedicated IOP NIC. 4. For dedicated backup CE - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 111
tuple". e. System will initialize itself. When you receive the message on the CE "Initiating Marathon Boot", followed by MIC BIOS: CE Boot will be serviced by IOP1 or IOP2 (verify this IOP is indeed in the "booting tuple.") f. After several moments, NTLDR program will starts and you will receive - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 112
CE OS). c. Replace the driver or delete the service - or otherwise make repairs to the CE BOOT device tool (normally used during installations) that supports this procedure. MTCCPYNT.EXE is located on safe storage. (See Marathon Endurance 4000 User's Guide, Chapter 6-Marathon tools and utility.) If - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 113
, use Marathon's MTCCPYNT utility to "clone" the current (running) CE root as the "emergency recovery copy". (Browse the marathon CD ROM and run z:\support\mtccpynt c:\winnt x:. If using the IOP disk alternative, one mtccpynt (of two) must be targeted at each IOP. NOTE When performing updates to the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 114
cannot be booted, due to the problem we are recovering from). Perform the following: a. Choose the IOP best suited to support the recovery and reboot it into Marathon EMERGENCY RECOVERY COPY. (Browse the marathon CDROM and run z:\support\mtccpynt x:\winnt d:). NOTE Note that during the copy process - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 115
Ch 6: Backp and Restore Part Numbers for Backup Configurations Pure-local backup • C5695A - HP SureStore TapeRack for HP 19" server rack, includes one 0.9m SCSI cable, two 2.5m SCSI cables, and two SCSI terminators (Tape Rack holds 4 tape devices -see below). • C5698A - HP SureStore DLT 70r (need - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 116
- HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 117
Chapter Seven ~ Basic Troubleshooting Ch 7: Bsic Troubleshooting This chapter contains information on proper troubleshooting procedures and tools for the HP AA system based on the Endurance 4000 software from Marathon Technologies. Topics to be covered include: • Checking and interpreting - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 118
HP NetServer AA Overview of Troubleshooting in a HP AA Environment The HP AA system is a fault tolerant system. When faults occur (for example, a failed network adapter) the system continues to operate. - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 119
Marathon provides other tools with the system which are not necessarily troubleshooting tools, but they can be great for information gathering. MTCEINFO be the normal reaction to replace the MIC. There could be a problem with the Marathon configuration and the MIC should be further tested. MTCTEST - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 120
HP NetServer AA Isolating the Faults When first troubleshooting the array check the following in order: 1. Check each SSDL for the following: Status Lights Tuple ID Buttons Power Indicators The status lights in column 1 - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 121
Ch 7: Bsic Troubleshooting connection does not exist. The best assurance of a good connection any devices that are not active/online or standby. Devices that are yellow, white or red indicate potential problems. The exception to this is the SSDLs which are white by default. This screen will, in many - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 122
problems with the array. Personnel performing troubleshooting on the Marathon Array sometimes approach the array with the idea that they are troubleshooting User Guide containing problems with CE memory. Events with this prefix most often point to errors in the bindings of the Datagram service - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 123
.MtcEvtP status IOPn.MtcFloP status IOPn.MtcFloR status IOPn.MtcKMP status IOPn.MtcMon callout IOPn.MtcMon Fault hardware problem. Remove the IOP and perform normal troubleshooting procedures. If there is a configuration mismatch between IOPs it will be reported here. If the IOP has insufficient - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 124
internal Marathon commands Virtual Network provider events Misconfigured Virtual Network provider...check bindings. Each event message listed in the Marathon User Guide contains the following sections: • Text of the message itself • Severity: The type of event, it could be an Error, Warning or - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 125
Ch 7: Bsic Troubleshooting • Hardware/Software Devices that may be faulted resulting in the event • Action: This section provides a list of remedies to the event. These actions should be - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 126
dump file. • After the memory dump is complete a copy of the memory dump can be provided to support personnel for analysis. In many cases the machine can be rebooted and rejoin the array immediately. • When a removed from the array and will have to be serviced offline. 7-10 Hewlett-Packard Company - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 127
Ch 7: Bsic Troubleshooting Basic Marathon Hardware Replacement Replacing the MIC Cable There are a number of components that can be affected by a failed MIC cable. The IOP or CE - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 128
The IL (IOP Link) cable provides a direct Ethernet connection between the IOPs. To replace an IL cable: 1. Obtain a replacement IL cable from your service provider. The IL cable is a Category 5 Ethernet twisted-pair crossover cable. 2. Decide which IOP can be removed with the least impact to your - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 129
Troubleshooting 11. If the Ethernet connection supported by the replacement cable remains active Obtain a replacement MIC from your service provider. 2. Remove from service the Endurance 4000 system in which the the system, following the manufacturer's instructions. NOTE Before proceeding, make sure - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 130
faulted or disabled components. • Make sure that the system rejoins the Endurance 4000. To replace an SSDL: 1. Obtain a replacement SSDL from your service provider. 2. If you are replacing SSDL1, make sure that the backpanel of your replacement SSDL is labeled Tuple 1. 3. If you are replacing SSDL2 - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 131
Ch 7: Bsic Troubleshooting Replacing an IOP Removing an IOP 9. Attach the cables to the SSDL. Make sure to attach the correct cables to the correct ports. Refer to - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 132
HP NetServer AA 2. Install LAN adapters, MICs, and any other cards, disks and memory. Make sure to match the removed IOP exactly. NOTE For the Ethernet adapter that provides network access -- If you removed this adapter from the IOP that you are replacing, do not use it in any other network - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 133
Replacing a CE Network Server Division Ch 7: Bsic Troubleshooting • Installing Windows NT • Installing Marathon software only for this IOP. • Using the Marathon Configuration Utility to make any appropriate changes to the configuration. If the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 134
4000 Public Ethernet Adapter Installing the Replacement Adapter 1. To replace a failed Ethernet adapter: 2. Obtain an identical replacement Ethernet adapter from your service provider. 3. Shut down the IOP that contains the adapter that you are replacing. 4. Remove the Ethernet cable attached to the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 135
7: Bsic Troubleshooting 7. Replace the adapter with an identical adapter (the same manufacturer and the same model). NOTE If you cannot acquire the proper replacement, you must replace both adapters (one in each IOP). This requires removing the previous adapter (driver) and adding support for the - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 136
the replacement cable is active and primary. • If the Ethernet connection supported by the replacement cable remains active and primary, the cable that you you replace and configure an Endurance 4000 Ethernet adapter that serviced a public network, you must update the Endurance 4000 configuration - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 137
Ch 7: Bsic Troubleshooting other words the adapter can now be used on the same network as the Marathon array. 13. Remove the file previously created. The new configuration - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 138
HP NetServer AA The re-mirroring process will overwrite everything. It is important the Marathon partition be at the end of the drive. 9. After the initial mirror copy completes, this disk will have the correct disk format, disk label, disk partitions, and disk data. Open the Marathon - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 139
or offline. If necessary, re-enable any faulted or disabled components using Marathon Manager commands, as follows: Troubleshooting Tips Never assume it is okay to reboot a system. In the past, troubleshooting Windows NT consisted of "reboot" and see if that fixes it. In an HA environment care must - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 140
and its architecture, these problems tend not to be created. Network Bindings - Because of the added services and protocols from the Marathon the Marathon Installation Guide, the Marathon Users Guide, or Module Six of this course. Video Drivers in the CE - With the addition of NT Service Packs or - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 141
Network, 4-7 Public Rail, 4-8 R Rackmount Configurations, 1-19 Redirection, iv, 1-15 Remote Management, 3-5 S SCSI Identifiers, 1-12 Server Shutdowns, 2-22 Service Packs, 5-16 Shutting Down the System, 2-19 Single Ended Devices, 1-16 SSDL, iv, vi, 1-3, 1-7, 1-8, 1-17, 2-2, 2-3, 2-4, 2-5, 2- 9, 2-10 - HP NetServer AA 4000 | HP AA HP Netserver 4000 Reference Guide - Page 142
HP NetServer AA T Tuple, 1-7 U Upgrading, 5-11 Utilities, 3-13 V Video, 2-16 Virtual Adapters, 4-9 B Hewlett-Packard Company
HP AA NetServer
4000 Reference Guide
Printed in March 2000