kimono-koans
kimono-koans
/ gist:2696a8c8eac0a6babf7b2d9b26a82f65
Last active
May 5, 2024 01:21
Test for ZFS corruption
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/usr/bin/env bash | |
| # Invocation: zfs list -H -o mountpoint | grep -v -e legacy -e none | xargs -I{} find "{}" -xdev -type f | \ | |
| # parallel -j 8 'zfs_corruption_detector "{}" 2>/dev/null | grep ERR' > report.txt | |
| set -euf -o pipefail | |
| #set -x | |
| print_err() { | |
| printf "%s\n" "$*" 1>&2 |
kimono-koans
/ gist:7641ee7bc7ce91f520b324bb08d699c8
Last active
October 3, 2024 15:36
How I purged zsys and lived to tell the tale
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| You're going to need to snap your root according to zsys convention (just using a date won't work), like this: | |
| #!/bin/bash | |
| DATE_HASH="$( date | cksum | cut -f1 -d' ' | tr -d '\n' | xargs -0 printf '%x\n' )" | |
| zfs snapshot -r bpool@snap_"$DATE_HASH"_prepApt | |
| zfs snapshot rpool@snap_"$DATE_HASH"_prepApt | |
| zfs snapshot -r rpool/ROOT@snap_"$DATE_HASH"_prepApt | |
| zfs snapshot -r rpool/USERDATA@snap_"$DATE_HASH"_prepApt |