[DRBD-user] Xen DomU on DRBD device: barrier errors

Wiebe Cazemier wiebe at halfgaar.net
Thu May 31 14:35:44 CEST 2012

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


----- Original Message -----
> From: "Wiebe Cazemier" <wiebe at halfgaar.net>
> To: drbd-user at lists.linbit.com
> Sent: Thursday, 31 May, 2012 1:38:37 PM
> Subject: Re: [DRBD-user] Xen DomU on DRBD device: barrier errors

> If barriers weren't enabled before, I guess it doesn't hurt to
> disable them now.

Hmm, this might not be the case, because normally flush-cache would be used as fallback, but that isn't advertised by the driver, so no system is in place to protect against out-of-order cache writes.



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