HP MSA 1040 HP MSA 1040 SMU Reference Guide (762784-001, March 2014) - Page 100

Viewing information about a vdisk, Vdisk properties

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Viewing information about a vdisk In the Configuration View panel, right-click a vdisk and select View > Overview. The Vdisks Overview table shows: • Health. OK Degraded Fault Unknown • Component. Vdisk, disks, volumes. • Count. • Capacity. • Storage Space. For descriptions of storage-space color codes, see "About storage-space color codes" (page 29). Select a component to see more information about it. When the Vdisk component is selected, you can view properties or historical performance statistics. NOTE: Failure of a disk in the vdisk causes the Vdisk and Disks components to have Degraded health. Because tables displayed when the Disks component is selected exclude failed disks, those tables will show fewer disks than the Disk component's Count value. Vdisk properties When you select Vdisk in the Vdisk Overview table and click the Properties tab, the Properties for Vdisk table shows: • Health. OK Degraded Fault Unknown • Health Reason. If Health is not OK, this field shows the reason for the health state. • Health Recommendation. If Health is not OK, this field shows recommended actions to take to resolve the health issue. • Name. Vdisk name. • Size. Total storage space in the vdisk. • Free. Available space in the vdisk. • Current Owner. Either the preferred owner during normal operation or the partner controller when the preferred owner is offline. • Preferred Owner. Controller that owns the vdisk and its volumes during normal operation. • Serial Number. Vdisk serial number. • RAID. RAID level of the vdisk and all of its volumes. • Disks. Quantity of disks in the vdisk. • Spares. Quantity of dedicated spares in the vdisk. • Chunk Size. • For RAID levels except NRAID, RAID 1, and RAID 50, the configured chunk size for the vdisk. • For NRAID and RAID 1, chunk size has no meaning and is therefore shown as not applicable (N/A). • For RAID 50, the vdisk chunk size calculated as: configured-chunk-size x (subvdisk-members - 1). For a vdisk configured to use 32-KB chunk size and 4-disk sub-vdisks, the value would be 96k (32KB x 3). • Created. Date and time when the vdisk was created. • Minimum Disk Size. Capacity of the smallest disk in the vdisk. 100 Viewing system status

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100
Viewing system status
Viewing information about a vdisk
In the Configuration View panel, right-click a vdisk and select
View > Overview
. The Vdisks Overview table shows:
•
Health.
OK
Degraded
Fault
Unknown
•
Component. Vdisk, disks, volumes.
•
Count.
•
Capacity.
•
Storage Space. For descriptions of storage-space color codes, see
"About storage-space color codes" (page 29)
.
Select a component to see more information about it. When the Vdisk component is selected, you can view
properties or historical performance statistics.
NOTE:
Failure of a disk in the vdisk causes the Vdisk and Disks components to have Degraded health. Because
tables displayed when the Disks component is selected exclude failed disks, those tables will show fewer disks than
the Disk component’s Count value.
Vdisk properties
When you select Vdisk in the Vdisk Overview table and click the
Properties
tab, the Properties for
Vdisk
table shows:
•
Health.
OK
Degraded
Fault
Unknown
•
Health Reason. If Health is not OK, this field shows the reason for the health state.
•
Health Recommendation. If Health is not OK, this field shows recommended actions to take to resolve the health
issue.
•
Name. Vdisk name.
•
Size. Total storage space in the vdisk.
•
Free. Available space in the vdisk.
•
Current Owner. Either the preferred owner during normal operation or the partner controller when the preferred
owner is offline.
•
Preferred Owner. Controller that owns the vdisk and its volumes during normal operation.
•
Serial Number. Vdisk serial number.
•
RAID. RAID level of the vdisk and all of its volumes.
•
Disks. Quantity of disks in the vdisk.
•
Spares. Quantity of dedicated spares in the vdisk.
•
Chunk Size.
•
For RAID levels except NRAID, RAID 1, and RAID 50, the configured chunk size for the vdisk.
•
For NRAID and RAID 1, chunk size has no meaning and is therefore shown as not applicable (N/A).
•
For RAID 50, the vdisk chunk size calculated as:
configured-chunk-size
x (
subvdisk-members
- 1). For a vdisk
configured to use 32-KB chunk size and 4-disk sub-vdisks, the value would be
96k
(32KB x 3).
•
Created. Date and time when the vdisk was created.
•
Minimum Disk Size. Capacity of the smallest disk in the vdisk.