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Commit 93f29214 by Serge Hallyn Committed by Daniel Lezcano
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lxc-clone: maintain size of lvm snapshot

When creating a container as lvm snapshot, use the original size unless user explicitly overrides it. It's all well and good to day "use lvextend if you run out of space", but in the meantime applications may become corrupted... Signed-off-by: 's avatarSerge Hallyn <serge.hallyn@ubuntu.com> Signed-off-by: 's avatarDaniel Lezcano <dlezcano@fr.ibm.com>
parent 96bd45c8
Showing with 5 additions and 1 deletion
src/lxc/lxc-clone.in
...@@ -50,7 +50,8 @@ localstatedir=@LOCALSTATEDIR@ ...@@ -50,7 +50,8 @@ localstatedir=@LOCALSTATEDIR@
lxc_path=@LXCPATH@ lxc_path=@LXCPATH@
bindir=@BINDIR@ bindir=@BINDIR@
snapshot=no snapshot=no
lxc_size=2G lxc_defsize=2G
lxc_size=_unset
lxc_vg=lxc lxc_vg=lxc
lxc_lv_prefix="" lxc_lv_prefix=""
fstype=ext3 fstype=ext3
...@@ -199,6 +200,9 @@ if [ -b $oldroot ]; then ...@@ -199,6 +200,9 @@ if [ -b $oldroot ]; then
lxc-freeze -n $lxc_orig lxc-freeze -n $lxc_orig
frozen=1 frozen=1
fi fi
if [ $lxc_size = "_unset" ]; then
lxc_size=`lvdisplay $oldroot | grep Size | awk '{ print $3 $4 }'`
fi
lvcreate -s -L $lxc_size -n ${lxc_lv_prefix}${lxc_new}_snapshot $oldroot lvcreate -s -L $lxc_size -n ${lxc_lv_prefix}${lxc_new}_snapshot $oldroot
if [ $container_running = "True" ]; then if [ $container_running = "True" ]; then
lxc-unfreeze -n $lxc_orig lxc-unfreeze -n $lxc_orig
......
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