MSA 2040 SMU Reference Guide

106 Viewing system status
Volume properties
When you select Volumes in the Vdisk Overview table, the Volumes table shows:
• Name. Volume name.
• Serial Number. Volume serial number.
• Size. Volume size.
• Vdisk Name. The name of the vdisk containing the volume.
Snap-pool properties
When you select Snap Pools in the Vdisk Overview table, the Snap Pools table shows:
• The snap pool’s name, serial number, size, and free space.
• The quantity of master volumes and snapshots associated with the snap pool.
• The name of the vdisk containing the snap pool.
Viewing information about a volume
In the Configuration View panel, right-click a volume and select View > Overview. The Volume Overview table shows:
• Component. Volume or Maps.
• Count. The quantity of mappings for the volume.
• Capacity. The capacity of the volume.
• Storage Space. The space usage of the volume. For descriptions of storage-space color codes, see "About
storage-space color codes" (page 29).
• Replication Addresses. The quantity of replication addresses for the volume.
• Replication Images. The quantity of replication images for the volume.
Select a component to see more information about it.
Volume properties
When you select Volume in the Volume Overview table, the Properties for Volume table shows:
• Vdisk Name. Name of the vdisk that the volume is in.
• Name. Volume name.
• Size. Volume size.
• Preferred Owner. Controller that owns the vdisk and its volumes during normal operation.
• Current Owner. Either the preferred owner during normal operation or the partner controller when the preferred
owner is offline.
• Serial Number. Volume serial number.
• Cache Write Policy. Write-back or Write-through. See "Using write-back or write-through caching" (page 21).
• Cache Optimization. Standard or No-mirror. See "Optimizing read-ahead caching" (page 21).
• Read Ahead Size. See "Optimizing read-ahead caching" (page 21).
• Type. Standard volume, master volume, or snapshot.
• Progress. If the volume is being created by a volume-copy operation, the percent complete.
• Snapshot. Specifies whether the selected volume is a snapshot.
• Health. OK, Degraded, Fault, or 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 the recommended actions to take to resolve the
health issue.
For a local primary or secondary volume, the Replication Properties for Volume table shows:
• Name. Replication volume name.
• Serial Number. Replication volume serial number.