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kneutron 2021-04-12 18:28:03 -05:00 committed by GitHub
parent 64d0377167
commit 5fa6ab3382
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1 changed files with 37 additions and 7 deletions
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44
ZFS/zpool-resizeup-mirror--no-degradation--raid10.sh
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@ -1,15 +1,23 @@
#!/bin/bash #!/bin/bash
# OSX - gdd # OSX version - use gdd and gdf from brew/macports
# Proof of concept with file-backed pool
# Mod for RAID10 test (replace 4TB with 6TB HGST) == OK # Mod for RAID10 test (replace 4TB with 6TB HGST) == OK
# REF: https://www.reddit.com/r/zfs/comments/fwv7ky/help_expanding_zfs_mirror/ # REF: https://www.reddit.com/r/zfs/comments/fwv7ky/help_expanding_zfs_mirror/
# make sure mirror is not degraded when replacing disks with larger sizes # make sure mirror is not degraded when replacing disks with larger sizes
source ~/bin/failexit.mrg #source ~/bin/failexit.mrg
# failexit.mrg
function failexit () {
echo '! Something failed! Code: '"$1 $2" # code # (and optional description)
exit $1
}
logfile=~/zpool-resizeup-mirror.log logfile=~/zpool-resizeup-mirror.log
cd /Users/dave cd /Users/dave
# xxx TODO EDITME, primary user and this is where the disks will be created
zp=ztestpool zp=ztestpool
@ -35,15 +43,16 @@ function mkdisks () {
ls -alh ls -alh
# only if not exist # only if not exist
[ `echo $(zpool list|grep -c $zp)` -ge 1 ] || \ [ $(zpool list|grep -c $zp) -ge 1 ] || \
time zpool create -o ashift=12 -o autoexpand=on -O atime=off -O compression=lz4 $zp \ time zpool create -o ashift=12 -o autoexpand=on -O atime=off -O compression=lz4 $zp \
mirror $PWD/$disk1 $PWD/$disk2 \ mirror $PWD/$disk1 $PWD/$disk2 \
mirror $PWD/$disk3 $PWD/$disk4 \ mirror $PWD/$disk3 $PWD/$disk4 \
|| failexit 101 "Cant create zpool $zp" || failexit 101 "Cant create zpool $zp"
# xxx TODO EDITME
echo "Populating $zp with data" echo "Populating $zp with data"
time cp -v /Volumes/zsgtera2B/shrcompr-zsgt2B/ISO/bl-Helium_i386_cdsized+build2.iso /Volumes/$zp \ time cp -v /Volumes/zsgtera4/shrcompr-zsgt2B/ISO/bl-Helium_i386_cdsized+build2.iso /Volumes/$zp \
|| failexit 102 "Copy file to pool $zp fail" || failexit 102 "Copy file to pool $zp failed"
} #END FUNC } #END FUNC
function zps () { function zps () {
@ -53,6 +62,26 @@ function zps () {
mkdisks # comment me if nec mkdisks # comment me if nec
# wait4resilver.mrg
function wait4resilver () {
sdate=$(date)
# do forever
while :; do
clear
echo "Pool: $1 - NOW: $(date) -- Watchresilver started: $sdate"
zpool status $1 |grep -A 2 'resilver in progress' || break 2
zpool iostat -v -y $1 2 3 &
sleep 9
date
done
ndate=$(date)
zpool status -v $1
echo "o Resilver watch $1 start: $sdate // Completed: $ndate"
}
zps |tee -a $logfile zps |tee -a $logfile
echo "PK to attach larger disks ONE AT A TIME to 1st mirror-0" echo "PK to attach larger disks ONE AT A TIME to 1st mirror-0"
@ -61,10 +90,11 @@ read -n 1
# REF: https://docs.oracle.com/cd/E19253-01/819-5461/gcfhe/index.html # REF: https://docs.oracle.com/cd/E19253-01/819-5461/gcfhe/index.html
time zpool attach $zp $PWD/$disk1 $PWD/$disk5 || failexit 103 "zpool attach disk5 fail" time zpool attach $zp $PWD/$disk1 $PWD/$disk5 || failexit 103 "zpool attach disk5 fail"
zfs-watchresilver-boojum.sh #zfs-watchresilver-boojum.sh
wait4resilver
time zpool attach $zp $PWD/$disk2 $PWD/$disk6 || failexit 104 "zpool attach disk6 fail" time zpool attach $zp $PWD/$disk2 $PWD/$disk6 || failexit 104 "zpool attach disk6 fail"
zfs-watchresilver-boojum.sh wait4resilver
zps |tee -a $logfile zps |tee -a $logfile