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3-xen-orchestra-install #4

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hygienic-books merged 84 commits from 3-xen-orchestra-install into main 2023-10-22 14:23:54 +00:00
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@ -327,13 +327,13 @@ Create datasets
zfs create -o canmount=off zpool/data/opt zfs create -o canmount=off zpool/data/opt
zfs create zpool/data/opt/git zfs create zpool/data/opt/git
``` ```
Remember that the `zpool/data` dataset already exists and has that it has both `mountpoint=/` and `canmount=off` set. It is not and cannot be mounted itself, it instead conveniently anchors datasets at `/`. Since the `canmount` dataset property cannot be inherited and defaults to `canmount=on` we have to manually specify `-o canmount=off`. Our new `zpool/data/opt` should not automatically mount into `/opt`. Remember that the `zpool/data` dataset already exists and that it has both `mountpoint=/` and `canmount=off` set. It is not and cannot be mounted itself, it instead conveniently anchors datasets at `/`. Since the `canmount` dataset property cannot be inherited and defaults to `canmount=on` we have to manually specify `-o canmount=off`. Our new `zpool/data/opt` should not automatically mount into `/opt`.
We then create the child dataset `zpool/data/opt/git`, it defaults to `canmount=on` thus immediately shows up at `/opt/git`. We then create the child dataset `zpool/data/opt/git`, it defaults to `canmount=on` thus immediately shows up at `/opt/git`.
Move data back into place and clean up temp directory Move data back into place and clean up temp directory
``` ```
rsync -av --remove-source-files '/opt/git'{'.bak',} rsync -av --remove-source-files '/opt/git'{'.bak',}'/'
find '/opt/git.bak' -type d -empty -delete find '/opt/git.bak' -type d -empty -delete
``` ```