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download PDF document: zpool-status.8.pdf

ZPOOL-STATUS(8) FreeBSD System Manager's Manual ZPOOL-STATUS(8)
NAME zpool-status - show detailed health status for ZFS storage pools
SYNOPSIS zpool status [-DigLpPstvx] [-T u|d] [-c [SCRIPT1[,SCRIPT2]<?>]] [pool]<?> [interval [count]]
DESCRIPTION Displays the detailed health status for the given pools. If no pool is specified, then the status of each pool in the system is displayed. For more information on pool and device health, see the Device Failure and Recovery section of zpoolconcepts(7).
If a scrub or resilver is in progress, this command reports the percentage done and the estimated time to completion. Both of these are only approximate, because the amount of data in the pool and the other workloads on the system can change.
-c [SCRIPT1[,SCRIPT2]<?>] Run a script (or scripts) on each vdev and include the output as a new column in the zpool status output. See the -c option of zpool iostat for complete details.
-i Display vdev initialization status.
-g Display vdev GUIDs instead of the normal device names These GUIDs can be used in place of device names for the zpool detach/offline/remove/replace commands.
-L Display real paths for vdevs resolving all symbolic links. This can be used to look up the current block device name regardless of the /dev/disk/ path used to open it.
-p Display numbers in parsable (exact) values.
-P Display full paths for vdevs instead of only the last component of the path. This can be used in conjunction with the -L flag.
-D Display a histogram of deduplication statistics, showing the allocated (physically present on disk) and referenced (logically referenced in the pool) block counts and sizes by reference count.
-s Display the number of leaf vdev slow I/O operations. This is the number of I/O operations that didn't complete in zio_slow_io_ms milliseconds (30000 by default). This does not necessarily mean the I/O operations failed to complete, just took an unreasonably long amount of time. This may indicate a problem with the underlying storage.
-t Display vdev TRIM status.
-T u|d Display a time stamp. Specify u for a printed representation of the internal representation of time. See time(2). Specify d for standard date format. See date(1).
-v Displays verbose data error information, printing out a complete on-disk format will not be included.
EXAMPLES Example 1: Adding output columns Additional columns can be added to the zpool status and zpool iostat output with -c. # zpool status -c vendor,model,size NAME STATE READ WRITE CKSUM vendor model size tank ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 U1 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T U10 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T U11 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T U12 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T U13 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T U14 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T
# zpool iostat -vc size capacity operations bandwidth pool alloc free read write read write size ---------- ----- ----- ----- ----- ----- ----- ---- rpool 14.6G 54.9G 4 55 250K 2.69M sda1 14.6G 54.9G 4 55 250K 2.69M 70G ---------- ----- ----- ----- ----- ----- ----- ----
SEE ALSO zpool-events(8), zpool-history(8), zpool-iostat(8), zpool-list(8), zpool-resilver(8), zpool-scrub(8), zpool-wait(8)
FreeBSD 14.0-RELEASE-p11 March 16, 2022 FreeBSD 14.0-RELEASE-p11