moar descriptive

ZFS/zpool-resizeup-mirror--no-degradation--raid10.sh

@@ -1,15 +1,23 @@
 #!/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
 # 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
 
-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
 
 cd /Users/dave
+# xxx TODO EDITME, primary user and this is where the disks will be created
 
 zp=ztestpool
 
@@ -35,15 +43,16 @@ function mkdisks () {
   ls -alh
 
 # 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 \
     mirror $PWD/$disk1 $PWD/$disk2 \
     mirror $PWD/$disk3 $PWD/$disk4 \
     || failexit 101 "Cant create zpool $zp"
 
+# xxx TODO EDITME
 echo "Populating $zp with data"
-  time cp -v /Volumes/zsgtera2B/shrcompr-zsgt2B/ISO/bl-Helium_i386_cdsized+build2.iso /Volumes/$zp \
-  || failexit 102 "Copy file to pool $zp fail"
+  time cp -v /Volumes/zsgtera4/shrcompr-zsgt2B/ISO/bl-Helium_i386_cdsized+build2.iso /Volumes/$zp \
+  || failexit 102 "Copy file to pool $zp failed"
 } #END FUNC
 
 function zps () {
@@ -53,6 +62,26 @@ function zps () {
 
 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
 
 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
 
 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"
-zfs-watchresilver-boojum.sh
+wait4resilver
 
 zps |tee -a $logfile