[Xen-API] xcp 1.1, linux 3.2 domu , and barrier issue

[Denis Cardon <denis.cardon@xxxxxxxxxxxxxxxxxxxxxx>]

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?
Cheers,

Denis


--
Denis Cardon
Tranquil IT Systems
44 bvd des pas enchantés
44230 Saint Sébastien sur Loire
tel : +33 (0) 2.40.97.57.57
http://www.tranquil-it-systems.fr


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