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

[George Shuklin <george.shuklin@xxxxxxxxx>]

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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