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Part number: 350813-005
ATA Disk Array Status .............................................................................................................................. 6
ATA Disk Array Inventory.......................................................................................................................... 6
ATA disk
ATA Disk Status ....................................................................................................................................... 7
ATA Disk Inventory................................................................................................................................... 7
Fibre Channel Host Bus Adapter Status ..................................................................................................... 10
Fibre Channel Host Bus Adapter Inventory................................................................................................. 10
Host buses
Host Buses Status ................................................................................................................................... 11
IDE Channel Status................................................................................................................................. 12
IDE Channel Inventory ............................................................................................................................ 12
IDE controller
IDE Controller Status............................................................................................................................... 13
IDE Controller Inventory .......................................................................................................................... 13
PCI Bus Status........................................................................................................................................ 23
PCI Bus Inventory ................................................................................................................................... 23
SCSI Drive Status ................................................................................................................................... 27
Server Status ......................................................................................................................................... 28
Server Inventory..................................................................................................................................... 28
Smart Array controller
Smart Array Controller Status .................................................................................................................. 29
SATA Drive Status.................................................................................................................................. 31
SATA Drive Inventory ............................................................................................................................. 31
SAS Drives
SAS Drive Status.................................................................................................................................... 32
SAS Drive Inventory ............................................................................................................................... 32
Storage components
Storage Status ....................................................................................................................................... 33
This guide details the measurement parameters evaluated by HP ProLiant Essentials Performance Management
Pack (PMP) 4.0 for the various components of a system configuration. A brief description of each parameter
displayed in both the Status and Inventory view is provided.
Static analysis
The following configuration information is gathered by hardware discovery and analyzed by PMP to display the
performance status of server components:
• Processors—For example, a mix of processors with different cache sizes
• Memory
• Network connections—For example, the ability to detect a NIC running at reduced speed or in half duplex
mode
• Storage—For example:
• A fast physical disk drive plugged into an enclosure that cannot support the maximum I/O capabilities
of the drive
• A slow physical drive plugged into a fast enclosure
• A RAID consisting of a mix of drive speeds
• A RAID consisting of a mix of drive capacities
• Host buses—For example:
• Bus overloading
• Too many I/O resources plugged into the same bus on a multi-bus server
Overview 5
ATA disk array
The following information is provided for an ATA disk array.
ATA Disk Array Status
• Reads/Sec—The number of reads from this ATA disk array each second
• Writes/Sec—The number of writes to this ATA disk array each second
• Read MBytes/Sec—The average number of megabytes read from the ATA disk array each second
• Write MBytes/Sec—The average number of megabytes written to the ATA disk 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 this ATA disk array,
including transfers currently being serviced and transfers waiting for service, regardless of where the
request is waiting (disk or IDE controller)
ATA disk array performance is not evaluated because the performance of an array is determined by the
performance of the disks in the array.
ATA Disk Array Inventory
• Array Configuration
• Displays the total capacity of the disk array
• Displays where the disk array is defined (which IDE controller)
• Displays the RAID level and striping factor (if applicable) for the array
• Hard Drives—Lists the ATA disks that constitute the disk array
• Spare Drives—Lists the ATA disks that are designated as spares
ATA disk array 6
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)
ATA disk 7
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
Drive array 8
External storage enclosure
The following information is provided for an external storage enclosure.
External Storage Enclosure Status
• Transfers/Sec—The average number of transfers (reads and writes) on this external storage enclosure each
second
• MBytes/Sec—The average number of megabytes transferred on this external storage enclosure each
second
• Millisec/Transfer—The average time to complete a transfer to and from the selected external storage
enclosure
• Enclosure Queue—The average number of transfer requests (reads and writes) waiting to be serviced by the
external channel storage enclosure
PMP does not evaluate the performance of external storage enclosures
External Storage Enclosure Inventory
• Enclosure Configuration—Displays the type or model, name, and serial number of the external storage
enclosure.
• Controller—Displays the name and model of the enclosure and whether it is operating with redundant
controllers. If a redundant controller is configured, then both standby and active controllers are listed (if
redundancy is not configured, only active controllers are listed).
• Host Bus Adapters (HBAs)—Lists the HBAs used to attach the enclosure to the server.
• Windows/Linux Physical Disks—Lists the logical volumes defined in the storage enclosure.
External storage enclosure 9
Fibre Channel host bus adapter
The following information is provided for a Fibre Channel HBA.
Fibre Channel Host Bus Adapter Status
• Transfers/Sec—The average number of transfers on the selected HBA each second
• MBytes/Sec—The average number of megabytes transferred on the selected HBA each second
• Millisec/Transfer—The average time to complete a data transfer between the server and the storage
attached to the selected HBA
• Queue Length—The average number of concurrent requests between the server and this HBA, including
transfers currently being serviced and transfers waiting for service, regardless of where the request is
waiting
• Port Utilization %—The average utilization of the Fibre Channel port on this adapter.
Performance is determined by comparing the MBytes/Sec with the theoretical throughput (1 or 2 GB/s) of the
HBA.
Fibre Channel Host Bus Adapter Inventory
• Host Bus Adapter Configuration—Displays the name of the HBA and the supported and negotiated PCI
protocol (bus speed) of the HBA
• Fibre Channel Enclosures—Displays all enclosures assigned to the HBA, the names of the enclosures, and
the enclosure models
• Windows/Linux Physical Disks—Displays all physical disks traced from the server to the logical drives on
the accessible enclosures
Fibre Channel host bus adapter 10
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