QubesOS/qubes-linux-kernel
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initramfs: setup dmroot as non-persistent snapshot

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The volatile.img is cleared before each startup anyway.
This should speed up AppVM start and reduce ssd wearing.
This commit is contained in:
Marek Marczykowski 2012-06-10 02:01:47 +02:00
parent d1dac3e56d
commit 550b5f7d95
1 changed files with 1 additions and 1 deletions
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2
vm-initramfs/lib/dracut/hooks/pre-udev/90_qubes_cow_setup.sh
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@ -20,7 +20,7 @@ if [ `blockdev --getro /dev/xvda` = 1 ] ; then
while ! [ -e /dev/xvdc ]; do sleep 0.1; done while ! [ -e /dev/xvdc ]; do sleep 0.1; done
while ! [ -e /dev/xvdc2 ]; do sleep 0.1; done while ! [ -e /dev/xvdc2 ]; do sleep 0.1; done
echo "0 `blockdev --getsz /dev/xvda` snapshot /dev/xvda /dev/xvdc2 P 16" | \ echo "0 `blockdev --getsz /dev/xvda` snapshot /dev/xvda /dev/xvdc2 N 16" | \
dmsetup create dmroot || { echo "Qubes: FATAL: cannot create dmroot!"; } dmsetup create dmroot || { echo "Qubes: FATAL: cannot create dmroot!"; }
echo Qubes: done. echo Qubes: done.
else else