[DRBD-user] Re: DRBD VBD's with Xen status

Jan Kellermann|werk21 jan.kellermann at werk21.de
Mon Aug 18 20:19:08 CEST 2008

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

Hi Jerry,

using PVM and drbd:... on centos 5.2 works fine.

Robert Dunkley (the mail on xen-users you quoted) did an error:
he took the device-name and not the ressource-name of the drbd-drive.

The ressource names:
>> resource xendrbd0 {

But he tried:
>> disk = [ 'drbd:drbd0,hda,w' ,'file:/root/centos52.iso,hdc:cdrom,r' ]

Just use:
disk = [ 'drbd:xendrbd0,hda,w' ,'file:/root/centos52.iso,hdc:cdrom,r' ]

On HVMs I did not test. On PVM it works since months fine for several
xens. Maybe Lars can say sth to this?

Best regards

PS: Im not subscribed to xen-users, so i cant answer to Robert.

Jerry Amundson schrieb:
> On Mon, Aug 4, 2008 at 10:57 AM, Jerry Amundson <jamundso at gmail.com> wrote:
>> Pasted from xen/scripts/block-drbd:
>> # - Tested, thus far, only on Debian etch with Xen 3.0.3.
>> If that is really the extent of testing, the docu is sending a mixed
>> message in chapter 11 with the big writeup on DRBD VBD's.
>> In my case, CentOS 5, they just plain failed with some block device
>> unavailable message, while phy:/dev/drbd1 works perfectly.
> Just wanted to point out this comes up sometimes on lists outside
> drbd-user, including this recent thread in xen-users.
> http://lists.xensource.com/archives/html/xen-users/2008-08/msg00168.html
> I request, again, that that document be changed. It's wasting people's
> time, and leaving a bad impression.
> http://www.drbd.org/users-guide-emb/ch-xen.html
> jerry

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