CLI Guide

Table 9. extent summary field descriptions (continued)
Field Description
I/O Status
alive - I/O is proceeding normally on the extent.
dead - The underlying storage volume is marked as hardware-
dead.
unreachable - The underlying storage volume is
unreachable.
Operational Status
degraded - The extent may be out-of-date compared to
its mirror (applies only to extents that are part of a RAID 1
device).
ok - The extent is functioning normally.
starting - The extent is not yet ready.
unknown - Metro node cannot determine the extent's
Operational state, or the state is invalid.
Health State
degraded - The extent may be out-of-date compared to
its mirror (applies only to extents that are part of a RAID 1
device).
ok - The extent is functioning normally.
non-recoverable-error - The extent may be out-of-
date compared to its mirror (applies only to extents that are
part of a RAID 1 device), and/or the Health state cannot be
determined.
unknown - Metro node cannot determine the extent's
Operational state, or the state is invalid.
Extent Summary
Health
extents - Total number of extents on the cluster, the
number.
out-of-date - Of the total number of extents on the
cluster, the number that are out-of-date compared to their
mirror.
unhealthy - Of the total number of extents on the cluster,
the number with operational status or health state that is not
“ok”.
Use
used - Of the total number of extents on the cluster, the
number in use.
claimed - Of the total number of extents on the cluster, the
number that are claimed
unclaimed - Of the total number of extents on the cluster,
the number that are unclaimed.
unusable - Indicates that the underlying storage-volume of
the extent is dead or unreachable. Use the storage-volume
summary command to check the storage-volume. Use the
validate-system-configuration command to check reachability
from the directors.
logging - Of the total number of extents on the cluster, the
number that are in use for logging.
Capacity
Total capacity on the cluster.
204 Commands