A quick overview of zpool iostat output OpenZFS 2.0 is also available on FreeBSD 12.1 and later via the openzfs-kmod port/package.
The zpool iostat command has been greatly expanded in recent years, with OpenZFS 2.0 (coming in FreeBSD 13.0) offering new flags, including -l to monitor latency, and the ability to filter to a specific disk.Ohne Optionen zeigt der Befehl zpool iostat die bisher aufgelaufenen. With no options, the zpool iostat command displays the accumulated statistics since boot for all pools on the system.
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# zpool list # zfs list # zfs list -t snapshot 【Solaris 11環境の場合】 # zpool get all プール名 # zfs get all # zpool history # zpool status -v # zpool status -x # zpool iostat -v # zpool import # zpool upgrade # zfs upgrade # zfs mount # df -k # cfgadm -al # ls -l /dev/dsk /dev/rdsk # format # show all parameter zfs get all tank / media zfs set snapdir =visible tank / test # greate raid10 sudo zpool create tank \ mirror / dev / sda / dev / sdb \ mirror / dev / sdc / dev / sdd # add device to zpool sudo zpool add mirror / dev / sdd / dev / sde.in the following screenshot, now all the aforesaid hard drives are a part of the pool vol1, which can be expanded to see the components with zpool iostat command. zpool iostat -v 1 # ZFS module parameters To get the list of supported parameters, you can execute: zpool status # More info concerning the performance. I executed the " zpool replace data c3t5000C5004E5606B4d0 c3t50014EE003819259d0" command after switch the disk to a new slot and it re silvering now. I swapped it over to a new slot in the norco 2224 case to rule out bad back plane. Was able to identify the new drive with iostat -xn 5 physically. Check the ZFS pool health status by the command i. # zpool list # zfs list # zfs list -t snapshot 【Solaris 11環境の場合】 # zpool get all プール名 # zfs get all # zpool history # zpool status -v # zpool status -x # zpool iostat -v # zpool import # zpool upgrade # zfs upgrade # zfs mount # df -k # cfgadm -al # ls -l /dev/dsk /dev/rdsk # format export ii.15:39:27 zpool add myzfs mirror /disk1 /disk5. # zpool iostat 5 capacity operations bandwidth pool used avail read write read write.List & define the stats in “zpool status” command. Grow-up a storage pool zpool add Remove a storage pool zpool destroy Import a storage pool zpool import | Export a storage pool zpool export | Display I/O statistics zpool iostat Display the command history zpool history.A storage pool is a collection of devices that provides physical storage and data replication for ZFS datasets. man zpool (8): The zpool command configures ZFS storage pools.
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