On 29.05.2012 13:51, Denis Cardon wrote:
Hi everyone,
Debian Wheezy PV guest (linux kernel 3.2) currently has some issues
with barrier where the guest boots with read only disk.
There has been some hint to disable barrier (adding barrier=0 in
fstab), and it seems to indeed resolve the issue, cf links below.
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=637234
http://www.warden.pl/2012/04/10/debian-io-disk-problem-when-rebooting-on-xenserver-guest/
I wanted to know if there are any side effect to that workaround or if
it is safe?
~ half-year, more than 5k clients VM, no problems with barrier=0. (But
we usually passing it as kernel command line).
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