[DRBD-user] I/O Stalling on /dev/drbd0

Mark Watts m.watts at eris.qinetiq.com
Tue Sep 18 17:37:23 CEST 2007

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

On Tuesday 18 September 2007 16:29:13 H.D. wrote:
> On 18.09.2007 17:14, Mark Watts wrote:
> > Ah yes, I'd forgotton about that post.
> >
> > I've removed the TOE hardware dongles with extreme prejudice, so we'll
> > see what happens...
> I just debugged a new Intel box that failed with stalled IO every few
> days (not even DRBD on it). After disabling IOAT it seem stable now ..
> .. before that I had a freezing SuperMicro box with some DMA performance
> options turned on in the bios.. disabling it and it runs stable for half
> a year now.
> I don't know what's up these days, every vendor comes up with its own
> half tested technologies. I've never had so much problems with new
> hardware than this year.
> Kinda reminds me of the days of early 3D-accelerator cards. But this is
> server hardware, it MUST WORK.

Agreed - I'm getting rather bored with fiddly new hardware not being stable, 
especially when all the server vendors are touting improved stability all the 


Mark Watts BSc RHCE MBCS
Senior Systems Engineer
QinetiQ Trusted Information Management
Trusted Solutions and Services Group
GPG Key: http://keyserver.veridis.com:11371/search?q=0x455420ED
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