60 lines
1.7 KiB
Markdown
60 lines
1.7 KiB
Markdown
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# ZFS Datasets Migration
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From version 1.1.4 ZFS Datasets support was added to jailmaker.
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By default starting in v1.1.4, jailmaker will create a separate dataset for each jail if possible. This allows the user to configure snapshots, rollbacks, replications etc.
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Jailmaker operates in dual-mode: it supports using both directories and datasets. If the 'jailmaker' directory is a dataset, it will use datasets, if it is a directory, it will use directories.
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___
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## Procedure to migrate from directories to ZFS Datasets
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### Stop all jails
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`jlmkr stop jail1`
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`jlmkr stop jail2`
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etc..
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### Move/rename the 'jailmaker' directory
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`mv jailmaker orig_jailmaker`
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### Create the ZFS datasets for jailmaker
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Create all the required datasets via GUI or CLI.
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You need to create the following datasets:
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`jailmaker`
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`jailmaker/jails`
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And one for each existing jail:
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`jailmaker/jails/jail1`
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`jailmaker/jails/jail2`
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etc.
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Via CLI:
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```
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zfs create mypool/jailmaker
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zfs create mypool/jailmaker/jails
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zfs create mypool/jailmaker/jails/jail1
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zfs create mypool/jailmaker/jails/jail2
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```
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### Move the existing jail data into the newly created datasets
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Now move all the jail data:
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`rsync -av orig_jailmaker/ jailmaker/`
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Warning! It's important that both directories have the `/` at the end to make sure contents are copied correctly. Otherwise you may end up with `jailmaker/jailmaker`
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### Test everything works
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If everything works, you should be able to use the `jlmkr` command directly. Try doing a `jlmkr list` to check if the jails are correctly recognized
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You can also try creating a new jail and see that the dataset is created automatically.
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