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nixos/znapzend: Add oracleMode feature; add maintainer

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The feature destroys snapshots one-by-one instead of all at once.
If many snapshots accumulated, destroying them all at once can fail
because the argument list is too long. See
https://github.com/oetiker/znapzend/blob/master/lib/ZnapZend/ZFS.pm#L284
This commit is contained in:
Michel Weitbrecht 2020-05-11 14:35:11 +02:00
parent e719550694
commit 90533bfde2
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1 changed files with 7 additions and 1 deletions
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8
nixos/modules/services/backup/znapzend.nix
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@ -357,6 +357,12 @@ in
default = false; default = false;
}; };
features.oracleMode = mkEnableOption ''
Destroy snapshots one by one instead of using one long argument list.
If source and destination are out of sync for a long time, you may have
so many snapshots to destroy that the argument gets is too long and the
command fails.
'';
features.recvu = mkEnableOption '' features.recvu = mkEnableOption ''
recvu feature which uses <literal>-u</literal> on the receiving end to keep the destination recvu feature which uses <literal>-u</literal> on the receiving end to keep the destination
filesystem unmounted. filesystem unmounted.
@ -458,5 +464,5 @@ in
}; };
}; };
meta.maintainers = with maintainers; [ infinisil ]; meta.maintainers = with maintainers; [ infinisil SlothOfAnarchy ];
} }