Ata Disk; Ata Disk Status; Ata Disk Inventory; Drive Array - HP Xw460c - ProLiant - Blade Workstation User Manual

ATA disk

The following information is provided for an ATA disk.

ATA Disk Status

Reads/Sec—The number of reads from this ATA disk each second
Writes/Sec—The number of writes to this ATA disk each second
Read MBytes/Sec—The average number of megabytes read from the ATA disk each second
Write MBytes/Sec—The average number of megabytes written to the ATA disk each second
Millisec/Read—The average time for each read to complete
Millisec/Write—The average time for each write to complete
Queue Length—The average number of concurrent requests between the server and this ATA disk
(Queue Length is the primary indicator of ATA disk performance, whether the disk is part of an array)

ATA Disk Inventory

Disk Information—Displays a description of the drive, including the hard drive model number
Configuration Information
Provides a summary of the drive configuration
Displays the name of the IDE controller to which it is attached
Indicates to which disk array the disk belongs (if applicable)

Drive array

The following information is provided for a drive array.

Drive Array Status

Reads/Sec—The number of reads from each drive in the drive array each second
Writes/Sec—The number of writes to each drive in the drive array each second
Read MBytes/Sec—The average number of megabytes read from each drive in the drive array each
second
Write MBytes/Sec—The average number of megabytes written to each drive in the drive array each
second
Millisec/Read—The average time for each read to complete
Millisec/Write—The average time for each write to complete
Queue Length—The average number of concurrent requests between the server and each drive in the
drive array, including transfers currently being serviced and transfers waiting for service, regardless of
where the request is waiting (drive or controller)

Drive Array Inventory

Array Configuration—Displays on which Smart controller the drive array is defined and the number of
array logical drives implemented on the array
Hard Drives—Lists the SCSI drives constituting the disk array
Spare Drives—Lists the SCSI drives designated as spares

External storage enclosure

The following information is provided for an external storage enclosure.
154 HP Performance Management Pack measurement parameter matrix