[ltp] Re: system unresponsive during disk activity

[Marcus Better]

Daniel Pittman wrote:
>> Marcus Better wrote:
>> Oh, yeah. I disabled the write cache due to the lack of write barriers
>> on this system 

Just found out that barriers are not supported for LVM devices. That
explains why XFS complains about it. Too bad.

> Oh, and several of the comments about the disks are inaccurate: data in
> the cache will be flushed to the platter if Linux crashes; the risk is
> present only if you lose power.[1]

Ok, good to know. I'll probably re-enable the write cache then.

Cheers,

Marcus