zfs
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create datestamped snapshot
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sudo zfs snapshot ssd_vol0/tim@DAILY-$(date | tr ' ' '_' | tr ':' '.')
create raidz2 zpool with cache disk
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sudo zpool create storage_vol0 raidz2 /dev/diskid/DISK-ZCT2FF84 /dev/diskid/DISK-ZCT2FFZW /dev/diskid/DISK-WD-WX41D995H5SE /dev/diskid/DISK-WD-WX51D8986JTL /dev/diskid/DISK-WD-WX51D99AYZNK /dev/diskid/DISK-ZCT2QW77\
sudo zpool add storage_vol0 cache /dev/diskid/DISK-S19MNEAD420548E
list snapshots
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zfs list -t snapshot -o name -s creation -H
show io statistics for zpools
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