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2026-05-04T13:57:15Z
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https://openzfsonosx.org/wiki/Time_Machine_Backups_on_sparse_ZVOL
Time Machine Backups on sparse ZVOL
2019-11-19T22:40:55Z
<p>Whizzrd: Created page with "== Creating a thin provisioned ZVOL for time machine backups == === Unencrypted === <code> sudo zfs create -s -V 500G zpool/ZVOL/TimeMachine DISK=$(ioreg -trn "ZVOL z..."</p>
<hr />
<div>== Creating a thin provisioned ZVOL for time machine backups ==<br />
<br />
=== Unencrypted ===<br />
<code><br />
sudo zfs create -s -V 500G zpool/ZVOL/TimeMachine<br />
DISK=$(ioreg -trn "ZVOL zpool/ZVOL/TimeMachine Media" | awk -F'"' '/BSD Name/ {print $4;}')<br />
sudo diskutil cs create TimeMachine $DISK<br />
LVG_UUID=$(diskutil cs info ${DISK}s2 | grep -E "Parent LVG UUID:" | sed -E 's/.*\:\s*([A-F0-9-]*)/\1/')<br />
sudo diskutil cs createVolume $LVG_UUID jhfs+ TimeMachine 100%<br />
sudo tmutil setdestination -a /Volumes/TimeMachine<br />
</code><br />
<br />
=== Encrypted ===<br />
<code><br />
sudo zfs create -s -V 500G zpool/ZVOL/TimeMachine<br />
DISK=$(ioreg -trn "ZVOL zpool/ZVOL/TimeMachine Media" | awk -F'"' '/BSD Name/ {print $4;}')<br />
sudo diskutil cs create TimeMachine $DISK<br />
LVG_UUID=$(diskutil cs info ${DISK}s2 | grep -E "Parent LVG UUID:" | sed -E 's/.*\:\s*([A-F0-9-]*)/\1/')<br />
sudo diskutil cs createVolume $LVG_UUID jhfs+ TimeMachine 100% -stdinpassphrase<br />
sudo tmutil setdestination -a /Volumes/TimeMachine<br />
</code></div>
Whizzrd