Attachment 250113 Details for Bug 275965 – trim-zfs.diff

[patch] trim-zfs.diff

trim-zfs.diff (text/plain), 4.92 KB, created by Dmitry Wagin on 2024-04-20 20:02:30 UTC

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Creator: Dmitry Wagin

Created: 2024-04-20 20:02:30 UTC

Size: 4.92 KB

patch

obsolete

>diff --git a/share/man/man5/periodic.conf.5 b/share/man/man5/periodic.conf.5
>index a2ed2b09d..4b4c384f1 100644
>--- a/share/man/man5/periodic.conf.5
>+++ b/share/man/man5/periodic.conf.5
>@@ -643,6 +643,25 @@ if you want to run a zfs trim daily.
> .Pq Vt str
> A space separated list of names of zfs pools to trim.
> If the list is empty or not set, all zfs pools are trimmed.
>+.It Va daily_trim_zfs_default_threshold
>+.Pq Vt int
>+Number of days between a trim if no pool-specific threshold is set.
>+If not set, the default value is 14, corresponding to 2 weeks.
>+.It Va daily_trim_zfs_ Ns Ao Ar poolname Ac Ns Va _threshold
>+.Pq Vt int
>+The same as
>+.Va daily_trim_zfs_default_threshold
>+but specific to the pool
>+.Ao Ar poolname Ac Ns .
>+.It Va daily_trim_zfs_default_rate
>+.Pq Vt str
>+Controls the rate at which the TRIM operation progresses.
>+.It Va daily_trim_zfs_ Ns Ao Ar poolname Ac Ns Va _threshold
>+.Pq Vt int
>+The same as
>+.Va daily_trim_zfs_default_rate
>+but specific to the pool
>+.Ao Ar poolname Ac Ns .
> .It Va daily_local
> .Pq Vt str
> Set to a list of extra scripts that should be run after all other
>diff --git a/usr.sbin/periodic/etc/daily/801.trim-zfs b/usr.sbin/periodic/etc/daily/801.trim-zfs
>index 17d2ce217..acd124b0a 100755
>--- a/usr.sbin/periodic/etc/daily/801.trim-zfs
>+++ b/usr.sbin/periodic/etc/daily/801.trim-zfs
>@@ -4,14 +4,15 @@
> 
> # 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
> 
>-case "$daily_trim_zfs_enable" in
>+: ${daily_trim_zfs_default_threshold=14}
>+
>+case "${daily_trim_zfs_enable}" in
>     [Yy][Ee][Ss])
> 	echo
> 	echo 'Trimming of zfs pools:'
>@@ -34,20 +35,69 @@ case "$daily_trim_zfs_enable" in
> 		case ${_status} in
> 		FAULTED)
> 			rc=3
>-			echo "Skipping faulted pool: ${pool}"
>-			continue ;;
>+			echo "   skipping faulted pool '${pool}'"
>+			continue
>+			;;
> 		UNAVAIL)
> 			rc=4
>-			echo "Skipping unavailable pool: ${pool}"
>-			continue ;;
>+			echo "   skipping unavailable pool '${pool}'"
>+			continue
>+			;;
> 		esac
> 
>-		if ! zpool status "${pool}" | grep -q '(trimming)'; then
>-			echo "    starting trim of pool '${pool}'"
>-			zpool trim ${daily_zfs_trim_flags} "${pool}"
>-		else
>-			echo "    trim of pool '${pool}' already in progress, skipping"
>+		if zpool status ${pool} | grep -q "trimming"; then
>+			echo "   trimming of pool '${pool}' already in progress, skipping"
>+			echo "      consult 'zpool status -t ${pool}' for the result"
>+			continue
>+		fi
>+
>+		# determine how many days shall be between trimming
>+		eval _pool_threshold=\${daily_trim_zfs_$(echo "${pool}" | tr ".:-" "_")_threshold:-${daily_trim_zfs_default_threshold}}
>+
>+		_last_trim=$(zpool history ${pool} | \
>+		    sed -Ene 's/^([0-9.:-]{19}) zpool trim .*$/\1/p' | tail -1)
>+		if [ -z "${_last_trim}" ]; then
>+			# creation time of the pool if no trim was done
>+			_last_trim=$(zpool history ${pool} | \
>+			    sed -Ene '2s/^([0-9.:-]{19}) .*$/\1/p')
>+		fi
>+		if [ -z "${_last_trim}" ]; then
>+			rc=2
>+			echo "   skipping trimming of pool '${pool}':"
>+			echo "      can't get last trimming date"
>+			continue
>+		fi
>+
>+		# Now minus last trim (both in seconds) converted to days
>+		_trim_diff=$(expr -e $ $(date +%s) - \
>+		    $(date -j -v -70M -f %F.%T ${_last_trim} +%s) $ / 60 / 60 / 24)
>+		if [ ${_trim_diff} -lt ${_pool_threshold} ]; then
>+			echo "   skipping trimming of pool '${pool}':"
>+			echo "      last trimming is ${_trim_diff} days ago, threshold is set to ${_pool_threshold} days"
>+			continue
> 		fi
>+
>+		# determine the rate at which the TRIM operation is performed
>+		eval _trim_rate=\${daily_trim_zfs_$(echo "${pool}" | tr ".:-" "_")_rate:-${daily_trim_zfs_default_rate}}
>+		if [ -n "${_trim_rate}" ]; then
>+			_trim_flags="-r ${_trim_rate}"
>+		fi
>+
>+		_status="$(zpool status ${pool} | grep scan:)"
>+		case "${_status}" in
>+			*"scrub in progress"*)
>+				echo "   scrubbing of pool '${pool}' is in progress, skipping"
>+				;;
>+			*"resilver in progress"*)
>+				echo "   resilvering of pool '${pool}' is in progress, skipping"
>+				;;
>+			*)
>+				echo "   starting TRIM of pool '${pool}'"
>+				echo "      consult 'zpool status -t ${pool}' for the result"
>+				zpool trim ${_trim_flags} ${pool}
>+				[ $rc -eq 0 ] && rc=1
>+				;;
>+		esac
> 	done
> 	;;
> 
>diff --git a/usr.sbin/periodic/periodic.conf b/usr.sbin/periodic/periodic.conf
>index 608a199b3..030b95f03 100644
>--- a/usr.sbin/periodic/periodic.conf
>+++ b/usr.sbin/periodic/periodic.conf
>@@ -183,6 +183,10 @@ daily_scrub_zfs_default_threshold="35"		# days between scrubs
> daily_trim_zfs_enable="NO"
> daily_trim_zfs_pools=""				# empty string selects all pools
> daily_trim_zfs_flags=""				# zpool-trim(8) flags
>+daily_trim_zfs_default_threshold="14"		# days between trim
>+#daily_trim_zfs_${poolname}_threshold="14"	# pool specific threshold
>+daily_trim_zfs_default_rate=""			# trim rate
>+#daily_trim_zfs_${poolname}_rate=""		# pool specific rate
> 
> # 999.local
> daily_local="/etc/daily.local"				# Local scripts

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Attachments on bug 275965: 247294 | 250113 | 252519