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Re: [dm-devel] dm-multipath: Accept failed paths for multipath maps



On 12/18/13 16:28, Stewart, Sean wrote:
> The most severe case is with
> InfiniBand, where the LLD may place a device offline, then every single
> reload that is trying to add a good path in will fail.  I will qualify
> this by saying that I realize it is a problem that the device gets
> placed offline in the first place, but this patch would allow it a
> chance to continue on. The user still has to take manual steps to fix
> the problem in this case, but it seems less disruptive to applications.

Are you perhaps referring to the SRP initiator ? The above is correct
for old versions of the SRP initiator (< Linux kernel 3.12) but no
longer for upstream kernel versions >= 3.12. An effort is ongoing to
backport the latest SRP initiator changes into RHEL and SLES.

Bart.


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