From a06634fe32eac7b42b003a99a11b3b527f7e7cd9 Mon Sep 17 00:00:00 2001
From: Dobrica Pavlinusic <dpavlin@rot13.org>
Date: Tue, 1 Jul 2014 18:22:59 +0200
Subject: [PATCH] show logicalused, so usage is without compression

This makes more sense, since we don't know if remote side has
compression, and we want to be sure that we can write data in
worst-case situation that it doesn't
---
 etc/defaults.sh | 5 ++++-
 parameters.list | 1 +
 sbin/pvs        | 2 +-
 sbin/vgs        | 6 +++---
 t/pvs           | 1 +
 5 files changed, 10 insertions(+), 5 deletions(-)
 create mode 100644 t/pvs

diff --git a/etc/defaults.sh b/etc/defaults.sh
index a593da7..330c7a0 100644
--- a/etc/defaults.sh
+++ b/etc/defaults.sh
@@ -1,5 +1,5 @@
 # debugging options
-#set -x
+set -x
 #set >&2
 
 dir=/usr/share/ganeti/extstorage/zfs/
@@ -22,6 +22,9 @@ test -z "$EXTP_VG" && EXTP_VG='ffzgvg'
 # zfs pool and file system (existing) where to create block devices
 test -z "$EXTP_ZFS" && EXTP_ZFS=tmp500g/$EXTP_VG
 
+# show numbers without compression for volume sizes
+test -z "$EXTP_USED" && EXTP_USED=logicalused
+
 export VOL_NAME
 
 zfs_get() {
diff --git a/parameters.list b/parameters.list
index d08761b..63705f4 100644
--- a/parameters.list
+++ b/parameters.list
@@ -2,3 +2,4 @@ zfs	where to create instance zfs volumes
 create		zfs create -V options
 destroy		gnt-instance remove also removes snapshots (set empty to disable)
 vg		cluster lvm volume group
+used		logicalused for number without compression or used for real disk usage
diff --git a/sbin/pvs b/sbin/pvs
index f8499b9..949be28 100755
--- a/sbin/pvs
+++ b/sbin/pvs
@@ -8,7 +8,7 @@
 
 if echo $* | grep -q pv_name,vg_name,pv_free,pv_attr,pv_size,pv_name ; then
 
-	zfs list $EXTP_ZFS -H -p -o avail,used | sed "s:$EXTP_ZFS::" | awk '{ print "  '$EXTP_ZFS'|'$EXTP_VG'|" $1 / 1024 / 1024 "|a--|" ( $1 + $2 ) / 1024 / 1024 "|'$EXTP_ZFS'" }'
+	zfs list $EXTP_ZFS -H -p -o avail,$EXTP_ZFS | sed "s:$EXTP_ZFS::" | awk '{ print "  '$EXTP_ZFS'|'$EXTP_VG'|" $1 / 1024 / 1024 "|a--|" ( $1 + $2 ) / 1024 / 1024 "|'$EXTP_ZFS'" }'
 
 fi
 
diff --git a/sbin/vgs b/sbin/vgs
index 311c88e..8138491 100755
--- a/sbin/vgs
+++ b/sbin/vgs
@@ -5,17 +5,17 @@
 # gnt-node list-storage
 # vgs --noheadings --units=m --nosuffix --separator '|' --options vg_name,vg_size,vg_free
 if echo $* | grep -q vg_name,vg_size,vg_free ; then
-	zfs list -H -p -o used,available $EXTP_ZFS | awk '{ print "  '$EXTP_VG'|" ( $1 + $2 ) / 1024 / 1024 "|" $2 / 1024 / 1024 }'
+	zfs list -H -p -o $EXTP_USED,available $EXTP_ZFS | awk '{ print "  '$EXTP_VG'|" ( $1 + $2 ) / 1024 / 1024 "|" $2 / 1024 / 1024 }'
 
 # gnt-node list
 # vgs --noheadings --nosuffix --units=m --unbuffered '--separator=|' -ovg_name,vg_free,vg_attr,vg_size
 elif echo $* | grep -q vg_name,vg_free,vg_attr,vg_size ; then
-	zfs list -H -p -o available,used $EXTP_ZFS | awk '{ print "  '$EXTP_VG'|" $1 / 1024 / 1024 "|wz--n-|" ( $1 + $2 ) / 1024 / 1024 }'
+	zfs list -H -p -o available,$EXTP_USED $EXTP_ZFS | awk '{ print "  '$EXTP_VG'|" $1 / 1024 / 1024 "|wz--n-|" ( $1 + $2 ) / 1024 / 1024 }'
 
 # gnt-node add --disk 0:adopt=zfs-root
 # vgs --noheadings --units m --nosuffix -o name,size
 elif echo $* | grep -q name,size ; then
-	zfs list -H -p -o used,available $EXTP_ZFS | awk '{ print "  '$EXTP_VG' " ( $1 + $2 ) / 1024 / 1024 }'
+	zfs list -H -p -o $EXTP_USED,available $EXTP_ZFS | awk '{ print "  '$EXTP_VG' " ( $1 + $2 ) / 1024 / 1024 }'
 
 else
 
diff --git a/t/pvs b/t/pvs
new file mode 100644
index 0000000..b8a2a54
--- /dev/null
+++ b/t/pvs
@@ -0,0 +1 @@
+vgs --noheadings --units=m --nosuffix --separator '|' --options vg_name,vg_size,vg_free
-- 
2.20.1