accumulated collection of notes about my server shenanigans
add zfs-auto-snapshot and rename other files
+73
-6
+1
-1
primergy-rx300-s8/no-auth.md
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-1
primergy-rx300-s8/no-auth.md
zfs/Add cache drives.md
zfs/add-cache-drives.md
zfs/Add cache drives.md
zfs/add-cache-drives.md
zfs/Replace failing drives.md
zfs/replace-failing-drives.md
zfs/Replace failing drives.md
zfs/replace-failing-drives.md
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zfs/auto-snapshot.md
+63
zfs/auto-snapshot.md
···
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### zfs-auto-snapshot
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```sh
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apt install zfs-auto-snapshot
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zfs set com.sun:auto-snapshot=true <datasets-to-auto-snapshot>
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```
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#### Listing snapshots
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```sh
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zfs list -t snapshot
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```
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If they are not present; here are the respective cron jobs
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/etc/cron.d/
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```sh
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PATH="/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin"
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*/15 * * * * root which zfs-auto-snapshot > /dev/null || exit 0 ; zfs-auto-snapshot --quiet --syslog --label=frequent --keep=4 //
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```
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/etc/cron.hourly/
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```sh
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#!/bin/sh
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# Only call zfs-auto-snapshot if it's available
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which zfs-auto-snapshot > /dev/null || exit 0
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exec zfs-auto-snapshot --quiet --syslog --label=hourly --keep=24 //
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```
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/etc/cron.daily/
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```sh
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#!/bin/sh
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# Only call zfs-auto-snapshot if it's available
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which zfs-auto-snapshot > /dev/null || exit 0
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exec zfs-auto-snapshot --quiet --syslog --label=daily --keep=31 //
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```
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/etc/cron.weekly/
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```sh
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#!/bin/sh
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# Only call zfs-auto-snapshot if it's available
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which zfs-auto-snapshot > /dev/null || exit 0
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exec zfs-auto-snapshot --quiet --syslog --label=weekly --keep=8 //
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```
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/etc/cron.monthly/
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```sh
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#!/bin/sh
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# Only call zfs-auto-snapshot if it's available
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which zfs-auto-snapshot > /dev/null || exit 0
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exec zfs-auto-snapshot --quiet --syslog --label=monthly --keep=12 //
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```