CLI Guide

Table 142. volumes properties (continued)
Name Type Description
read-ahead-size-numeric uint32 Numeric equivalents for read-ahead-size values.
● -2: Stripe
● -1: Adaptive
● 0: Disabled
● 524288: 512 KB
● 1048576: 1 MB
● 2097152: 2 MB
● 4194304: 4 MB
● 8388608: 8 MB
● 16777216: 16 MB
● 33554432: 32 MB
● 2147483648: Maximum
volume-type string
● base: Base volume
● standard: Standard volume.
● snapshot: Snapshot volume.
volume-type-numeric uint32 Numeric equivalents for volume-type values.
● 0: standard
● 3: snapshot
● 15: base
volume-class string
● • standard: Standard volume.
volume-class-numeric uint32 Numeric equivalents for volume-class values.
● 0: standard
tier-affinity string
● No Affinity: This setting uses the highest available performing tiers first
and only uses the Archive tier when space is exhausted in the other tiers.
Volume data will swap into higher performing tiers based on frequency of
access and tier space availability
● Archive: This setting prioritizes the volume data to the least performing
tier available. Volume data can move to higher performing tiers based on
frequency of access and available space in the tiers.
● Performance: This setting prioritizes volume data to the higher performing
tiers. If no space is available, lower performing tier space is used. Performance
affinity volume data will swap into higher tiers based upon frequency of
access or when space is made available
tier-affinity-numeric uint32 Numeric equivalents for tier-affinity values.
● 0: No Affinity
● 1: Archive
● 2: Performance
snapshot string Shows whether the volume is a snapshot.
snapshot-retention-priority string The retention priority for snapshots of the volume.
● never-delete: Snapshots will never be deleted.
● high: Snapshots may be deleted after all eligible medium-priority snapshots
have been deleted.
● medium: Snapshots may be deleted after all eligible low-priority snapshots
have been deleted.
● low: Snapshots may be deleted.
Snapshots that are mapped or are not leaves of a volume's snapshot tree are not
eligible for automatic deletion.
snapshot-retention-priority-
numeric
uint32 Numeric equivalents for retention-priority values.
● 0: never-delete
API basetype properties 431