IBM 866251Y - Netfinity 5500 M20, Hardware Maintenance Manual, Page: 126 / 386

Blocked No - The logical drive is accessible.
Yes - The logical drive is not
accessible.
Part of Array The identifier of the logical drive
disk array (A, B, C, D, E, F, G, H).
Part of Merge Group The identifier of the logical drive
merge group (1 through 254).
Date Created The date the logical drive was
created.
State The current state (see “Logical
drive state descriptions” on
page 82 for more information).
Size The size in megabytes.
RAID Level RAID level (0, 1, or 5).
Write Policy WT - Write-through.
WB - Write-back.
NVRAM Battery Backup Enable - The battery-backup
cache is On.
Disable - The battery-backup
cache is Off.
Read Ahead Off - Disk Read-Ahead is inactive.
On - Disk Read-Ahead is active.
Stripe-Unit Size The size of each stripe unit per
hard disk (8, 16, 32, 64).
Number of Chunks The number of hard disk drives that
make up the logical drive.
Stripe Order The channel and SCSI ID of the
physical drives that make up the
logical drive.
Monitoring the physical device
information:
You can monitor the physical device information by clicking
on the desired device button on the Main screen of the
Administration and Monitoring Program.
Descriptions of the fields that might appear on the Device
Management screen are as follows.
Note
The number of fields that appear on the Device
Management screen depend on the physical device
selected.
Channel The channel to which the device is
connected (1, 2, or 3).
SCSI ID The SCSI ID (0 to 15).
Vendor The manufacturer of the physical
device.
Serial Number The manufacturer identifier.
Size The size in megabytes.
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Netfinity Server HMM