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xen-users
[Xen-users] Re: domUs don't boot correctly to end
I do nearly the same with delay of 2. Perhaps I should increase the
delay. Thanks for info, so I am not alone.
Am 23.05.2011 11:22, schrieb James Dingwall:
since I upgraded from xen-2.6.34-r1 / xen-4.0.0 to xen-2.6.38 /
xen-4.1.0 on gentoo, I got the problem, that if I boot many domU in a
short time (like 10 domU in 5 seconds) some of them won't start the
login-shell after initing local. It is also not possible to access them
via ssh. At my last test, 3 of 9 domU got that problem. After "xm
destroy domU" and "xm start domU" again they booted correctly and
started the login-shell.
I didn't have exactly these symptoms but I found that starting so many domUs at
once could cause problems because of such heavy disk i/o. I fixed this by
modifying /etc/init.d/xendomains and adding a sleep after the xl create. Diff
is below and should apply cleanly assuming it doesn't get corrupted. If you
want a longer delay between the domU starts then define BOOTDELAY=XX in
/etc/conf.d/xendomains.
James
$ diff -u /usr/portage/app-emulation/xen-tools/files/xendomains.initd-r2
/etc/init.d/xendomains
--- /usr/portage/app-emulation/xen-tools/files/xendomains.initd-r2
2011-04-05 22:25:03.000000000 +0100
+++ /etc/init.d/xendomains 2011-05-15 15:34:18.820083366 +0100
@@ -58,9 +58,9 @@
if ! is_running ${name} ; then
ebegin " Starting domain ${name}"
if using_screen ; then
- ${screen_cmd} screen -t ${name} xl create
${dom} -c
+ ${screen_cmd} screen -t ${name} xl create
${dom} -c ; sleep ${BOOTDELAY:=5}
else
- xl create --quiet ${dom}
+ xl create --quiet ${dom} ; sleep ${BOOTDELAY:=5}
fi
eend $?
else
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