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Adaptec 3200S User Guide - Page 96

Cache Statistics, Command Statistics, Device I/O Statistics

UPC - 760884136430

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Cache Statistics Storage Manager Total Pages Used Pages Dirty Pages Read-Ahead Pages ECC Fault Pages The total number of pages contained in the controller cache. The number of pages that currently contain disk data. The number of pages that contain dirty data (data that requires correction). The number of cache pages that contain data that has been loaded from disk as a result of read-ahead functions. The number of pages that have been mapped for nonuse after a RAM fault was discovered by the controller ECC feature. Command Statistics Total Commands Misaligned Transfers SCSI Bus Resets (SCSI only) The total number of commands received from the host computer. This includes Read and Write commands and other commands that may not involve device I/O. The number of commands that required data to be transferred starting at a RAM address location that was not an even byte value. The total number of SCSI bus resets that have been issued by the controller. A large number of resets can indicate a problem with the SCSI bus or an attached device. Device I/O Statistics The total number of sectors written to disk by the controller is described by the formula: Write - Backs + Write - Throughs = Total Sectors However, in RAID 1 arrays Write - Backs + Write - Throughs =→2 ∗→Total Sectors 3-51

Section	Page
Contents	7
Storage Management Software Overview	10
Storage Manager on ROM	12
Overview	13
Keyboard Reference	14
Menu Control	14
Left Pane – Tree View Control	15
Right Pane – Information View Control	15
Menu Reference	15
File	15
RAID	16
Action	16
Help	16
Icon Reference	17
Screen Layout	17
The Menu Bar	18
The Left Pane – Tree View	18
The Right Pane – Information View	19
Running SMOR	20
Information and Configuration Views	21
Controller BIOS Settings	21
Enable Bootable CDROMs	22
DOS/Windows 3.1 Cache Setting	22
Scan Delay (SCSI only)	23
EBDA Relocation	23
Enable Extended Int13	23
Information Tab	24
Configuration Tab	26
Bus Configuration Tab	28
Device Information Tab	31
Array and Array Group Information	34
Setting the Configuration	36
Array Operations	37
Creating an Array	37
Creating a Multilevel RAID	39
Deleting an Array	40
Hot Spares	41
Rebuilding a Failed Array	42
Formatting a Drive – SCSI only	42
Upgrading Firmware – Flash HBA Option	43
Creating a SMOR Boot Disk	45
Storage Manager	46
Introduction	47
System Requirements	48
Installing Storage Manager	49
Running Storage Manager	50
Using Storage Manager Locally	50
Using Storage Manager Remotely	50
Views	51
Physical Configuration View	51
Logical Configuration View	53
Logical Device Addresses	55
Array Groups	57
Creating an Array Group	61
Naming an Array Group	64
Expanding and Extending Arrays – Windows2000 and WindowsNT only	64
Status Reporting	68
Information Windows	69
Host Bus Adapter Information Window	69
Battery Backup Configuration Window – Adaptec 3200S/ 3210S/3400S/3410S Only	71
Configure Host Bus Adapter Window	72
Controller Caching – WindowsNT only	74
Flash Configuration Window	74
Device Information Window	76
Device Configuration Window	78
Saving the Subsystem Configuration	79
Events	80
Event Log	80
Event Broadcaster	82
WindowsNT & Windows2000	84
NetWare	86
SCO UNIX	87
Event Messaging by Pager – Windows2000 and WindowsNT only	88
Formatting Drives – SCSI only	89
Drive Failures	90
Audible Alarm (SCSI Only)	90
Rebuilding a Degraded Array	91
Assigning Hot Spares	92
Running a Verify Process	93
Background Task Priority	93
Controller I/O Statistics	94
Cache Statistics	96
Command Statistics	96
Device I/O Statistics	96
Remote Communication	99
Connecting Across a Network	100
Installation and Configuration	100
Editing the Configuration File	101
Setting up the Server	102
Connecting Servers and Workstations	104
Connecting to Remote Systems	104
Making a Manual Connection	106
Using the Phonebook	107
Using a Custom Connection	108
RAIDUTIL Command Line Utility	109
Introduction	109
Exit Status	110
Device Address Syntax	110
Command Line Switches	111
Miscellaneous	112
-g Specify drive group	112
Logical Drive Creation and Deletion	112
-c, -d Specify controller ID	112
-D Delete logical drives	113
-l Specify new logical drive RAID level	113
-s Specify logical drive capacity	113
-z Specify logical drive stripe size	114
Array Modification	114
-E Expand disk array	114
-f Force array state	114
RAID Operation	115
-C Load/save configuration	115
-r Specify task rate	115
-w Write caching	115
Controller-Specific	116
-a Action (task) control	116
-F Update controller firmware, BIOS, or NVRAM	116
-X Reset NVRAM configuration	116
-Z Reset/clear embedded RAID information	116
Hot Spare Control	117
-h Create hot spare drive	117
-H Delete hot spare drive	117
General Information and Feedback	118
-? Display utility usage information	118
-A Alarm status and control	118
-e Display or delete event log messages	118
-I Display inquiry information	119
-L List devices	119
-P Pagination output	120
-q Quiet mode	120
SNMP	121
Introduction	121
Management Information Base	122
Management Console	122
Adaptec MIB Information	123
SNMP	125
What’s Included	125
System Requirements	126
Management Consoles	126
Installing Adaptec SNMP Support	126
Installing SNMP for WindowsNT and Windows2000	127
Installing SNMP for Windows95	127
Installing SNMP for Windows98/Me	127
Installing the MIB	128
SNMP Architecture	128
Adaptec SNMP Subagent	129
Adaptec SNMP Trap Broadcaster Module	129
DMI	130
Introduction	130
System Requirements	131
Adaptec CI	132
Installing DMI Support	133
Adaptec DMI Modules	133