Re: [Xen-devel] LVM/DRBD8/Xen - issue(s) in block-IO implementation?

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 7/9/07 11:41, "Peter Siering" <lists@xxxxxxxxxxx> wrote:

> The message just appears if one uses LVM volumes on DRBD devices as
> "phy:"-disks; if you mark such devices with "tap:" it works.
> 
> The DRBD developers point to Xen for fixing the issue. There are two
> threads which may lead in the right direction for someone familiar
> with block-IO in Xen:

Our bio-creation loop in blkback.c is very similar to that described in the
last email you reference. We certainly use bio_add_page(). Unfortunately
DRBD+LVM is not a test configuration that we have tested ourselves.

 -- Keir



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