Attachment 187998 Details for Bug 86388 – Backup of zpool info, zfs list and zfs properties

Backup of zpool info, zfs list and zfs properties

223.backup-zfs.sh (text/plain), 1.98 KB, created by Miroslav Lachman on 2017-11-14 17:19:28 UTC

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Creator: Miroslav Lachman

Created: 2017-11-14 17:19:28 UTC

Size: 1.98 KB

patch

obsolete

>#!/bin/sh
>
>## $Id: 223.backup-zfs.sh 58697be4119d 2017-10-03 03:09 +0200 lachman $
>## Created by: Miroslav Lachman <000.fbsd@quip.cz>
>
>## Backup of zpool info, zfs list and zfs properties for each filesystem.
>## Data are stored on local filesystem, in /var/backup.
>## It is recommended to copy those files to off-site storage.
>
>
>## If there is a global system configuration file, suck it in.
>##
>if [ -r /etc/defaults/periodic.conf ]
>then
>	. /etc/defaults/periodic.conf
>	source_periodic_confs
>fi
>
>bak_dir=/var/backups
>
>rotate() {
>	base_name=$1
>	show_diff=$2
>	file="$bak_dir/$base_name"
>
>	if [ -f "${file}.bak" ] ; then
>		rc=0
>		if cmp -s "${file}.bak" "${file}.tmp"; then
>			rm "${file}.tmp"
>		else
>			rc=1
>			[ -n "$show_diff" ] && diff "${file}.bak" "${file}.tmp"
>			mv "${file}.bak" "${file}.bak2" || rc=3
>			mv "${file}.tmp" "${file}.bak" || rc=3
>		fi
>	else
>		rc=1
>		mv "${file}.tmp" "${file}.bak" || rc=3
>		[ -n "$show_diff" ] && cat "${file}.bak"
>	fi
>}
>
>case "$daily_backup_zfs_verbose" in
>	[Yy][Ee][Ss]) show="YES"
>esac
>
>case "$daily_backup_zfs_enable" in
>	[Yy][Ee][Ss])
>
>	zpools=$(zpool list -vp | sed -E 's/^([ ]*[\./[:alnum:]]+ +[\.[:alnum:]-]+) .*/\1/')
>
>	if [ -z "$zpools"  ]; then
>		echo '$daily_backup_zfs_enable is set but no zpools found.'
>		rc=2
>	else
>		echo ""
>		echo "Backup of ZFS informations for all imported pools";
>
>		echo "$zpools" > "$bak_dir/zpool_info.tmp"
>		rotate "zpool_info" $show
>
>		zfs list -p -H -o name,mountpoint > "$bak_dir/zfs_list.tmp"
>		rotate "zfs_list" $show
>
>		: ${daily_backup_zfs_props_enable="YES"}
>		case "$daily_backup_zfs_props_enable" in
>			[Yy][Ee][Ss])
>			zfs get -H -p -t filesystem,volume all |
>			grep -E -v "available|compressratio|logicalreferenced|logicalused|refcompressratio|referenced|used|usedbychildren|usedbydataset|written" > "$bak_dir/zfs_props.tmp"
>			rotate "zfs_props"
>
>			zpool get -H -p all |
>			grep -E -v "capacity|dedupratio|free|allocated|fragmentation" > "$bak_dir/zpool_props.tmp"
>			rotate "zpool_props"
>			;;
>		esac
>	fi
>	;;
>	*)  rc=0;;
>esac
>
>exit $rc

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Attachments on bug 86388: 57233 | 187996 | 187997 | 187998