Bug#646900: [multipath-tools] Errors when Boot On SAN (IBM DS4700)

Ritesh Raj Sarraf rrs at debian.org
Fri Sep 28 08:03:24 UTC 2012

On Thursday 27 September 2012 06:14 PM, Ferenc Wagner wrote:
> in some file under /etc/modprobe.d.  This actually fixes the problem for
> me under squeeze.  On the other hand, it stops working after upgrading
> to the 3.2 bpo kernel.  Maybe 3.2 requires fixed patch checkers, as
> https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/644489
> suggests.  Can anybody confirm this?

The issue filed against multipath-tools on launchpad is way old.
multipath, long ago, switch to the libprio implementation for good
reasons. The version shipping in Wheezy is based on the libprio
implementation. It does not have path checkers. Whether the libprio
implementation has the same problem, someone has to verify it.

Regarding the fix we put in Debian for slow device handling, this
approach will also accommodate SAN Boot environments.

Ritesh Raj Sarraf | http://people.debian.org/~rrs
Debian - The Universal Operating System

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