HP SureStore 7400 Linux Configuration HP VA 7100/7400
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- HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 1
Linux Configuration HP VA 7100/7400 Contents 1 Introduction...2 1.1 About Linux ...2 1.1.1 General Public License ...2 1.1.2 Linux Support ...3 1.1.3 How to Get Red Hat Linux 3 1.2 Hardware Requirements...3 1.3 Operating System Requirements 3 2 Patches ...5 2.1 Command View Patch ...6 2.1.1 Vendor - HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 2
changes described. One can also configure the HP Virtual Array 7100/7400 via the RS-232 port on the array controllers using the Virtual Front Panel (VFP). The VFP can devices (i.e., tape drives, CD ROMs, etc.). The changes to support 16 byte SCSI CDBs may adversely affect the behavior of other - HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 3
Support Linux Configuration HP VA 7100/7400 Linux installations can be time-consuming and each requires someone skillful in OS programming. Distributors of Linux (like Red Hat Software of Research Triangle Park, NC) have created documentation, service, and support User Guide. The HP VA 7100/7400 - HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 4
2.2.16 kernel Linux Configuration HP VA 7100/7400 Linux kernel 2.2.16-3 upgrade. See RedHat site (http://www.redhat.com/support/errata/RHSA-2000037-05.html) for background, RPMs and instructions. The RPM packages are: kernel-headers-2.2.16-3.i386.rpm kernel-source-2.2.16-3.i386.rpm kernel-2.2.16 - HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 5
can be reached from http://www.hp.com. Follow the links to the VA 7100/7400 mid-range disk array storage products. The patches are commented The patch tag, HP_VA7100, indicates the Hewlett-Packard patch for the Virtual Array 7x00. The description summarizes its purpose, and the date indicates the - HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 6
Linux Configuration HP VA 7100/7400 Device_Not_Ready_2.2.16.patch Device_Not_Ready_2.2.19.patch - contains the " bytes to be passed through the kernel. These are described below. 2.1.1 Vendor-Unique Commands Problem synopsis: The Linux 2.2 kernel SCSI generic (sg) API does not contain an explicit - HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 7
if managing the VA 7100/7400 through a Linux host. If other device management options are pursued, this patch is not required. Files Affected: ../linux/drivers/scsi/qlogicfc.c 2.1.2 16-Byte SCSI CDBs Problem synopsis: The Linux 2.2 kernel SCSI subsystem supports command descriptor blocks (CDBs - HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 8
Linux Configuration HP VA 7100/7400 This patch has been tested successfully with Qlogic fibre-channel Buslogic Flashpoint (Firmware can't do 16 byte commands) NCR 53c9x (16 byte commands not supported) AHA1542 (only 12 byte commands handled by hardware) cpqfcTSinit (assumption in driver about kernel - HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 9
HP VA 7100/7400 2.2 Device "Not Ready - LUN Becoming Ready" Problem synopsis: The Linux 2.2 kernel SCSI subsystem does not appear to distinguish the various kinds of "Not Ready" device states. Some "Not Ready" sense codes indicate that a device is not ready and will require manual the array needs - HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 10
Linux Configuration HP VA 7100/7400 The major distinguishing behavior of the new recovery function is in some other device location on the system, then there is currently no means in place to manually notify the new error handler that it should give up and mark the missing device offline. While the - HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 11
HP VA 7100/7400 Note: Any process that attempts to access the device during an indefinite timeout condition will also be blocked. The HP SAN Manager HostAgent and the HP this patch at your discretion. This patch fixes a select set of problems and is known to cause others. If you see device timeouts - HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 12
Linux Configuration HP VA 7100/7400 5. Apply patch to allow pass-through HP cd /boot ln -fs System.map-{version}HP System.map modprobe loop mkinitrd -v -f /boot/initrd-{version}HP.img {version}HP By default Linux will probe SCSI devices for a single LUN. The "max_scsi_luns" parameter instructs - HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 13
Linux Configuration HP VA 7100/7400 NOTE: You may need to tell Linux how much physical memory you have. Under some conditions, the OS will not correctly configure the kernel's memory - HP SureStore 7400 | Linux Configuration HP VA 7100/7400 - Page 14
fonts Linux Configuration HP VA 7100/7400 The Command View SDM software has a dependency on availability of certain fonts. We needed to install the fonts in: urw-fonts.tar.gz downloaded from: www.gimp.org/fonts.html. If you intend to run the Command View GUI client on the array host, the presence
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Linux Configuration
HP VA 7100/7400
Rev 2002-01-23
Page 1
Contents
1
Introduction
.......................................................................................................................................
2
1.1
About Linux
..............................................................................................................................
2
1.1.1
General Public License
.....................................................................................................
2
1.1.2
Linux Support
...................................................................................................................
3
1.1.3
How to Get Red Hat Linux
...............................................................................................
3
1.2
Hardware Requirements
............................................................................................................
3
1.3
Operating System Requirements
...............................................................................................
3
2
Patches
..............................................................................................................................................
5
2.1
Command View Patch
..............................................................................................................
6
2.1.1
Vendor-Unique Commands
..............................................................................................
6
2.1.2
16-Byte SCSI CDBs
..........................................................................................................
7
2.2
Device “Not Ready – LUN Becoming Ready”
.........................................................................
9
2.3
Refined SCSI Error Recovery
...................................................................................................
9
3
Install Patches and Rebuild Kernel
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11
4
Install the gimp fonts
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14