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35 lines
1.0 KiB
Bash
35 lines
1.0 KiB
Bash
#!/bin/bash
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# 2024.Feb kneutron
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# REF: https://www.reddit.com/r/Proxmox/comments/1auxnpd/io_error_zfs_pool_full_do_i_need_to_buy_new_disks/
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# When your zpool has filled up and you need emergency temporary free space to start deleting things (like snapshots)
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zfspath=/sys/module/zfs/parameters/spa_slop_shift
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if [ "$1" = "putitback" ]; then
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echo 5 > $zfspath
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cat $zfspath
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zpool list
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exit 0;
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fi
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# only if it doesnt already exist - REF
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[ -e /tmp/zfs-slop-shift-orig.txt ] || cat $zfspath >/tmp/zfs-slop-shift-orig.txt
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zpool list
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echo "$0 - Adjusting for temporary free space"
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echo 8 > $zfspath
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echo "====="
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echo "After adjustment:"
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zpool list
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echo "This should have freed up a bunch of bonus free space on your pool
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BUT you need to put it back when you're done or reboot!"
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# This should allow you to delete files/snapshots.
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# Be sure to switch spa_slop_shift back to its default of 5 afterwards (this
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# tunable prevents you from filling up the zpool completely, which can cause
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# it to be come permanently readonly).
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