[Bug 1540407] Re: multipathd drops paths of a temporarily lost device

[ChristianEhrhardt]

Hi,
I couldn't reproduce today.

The device stays in:
0:0:0:1074675728 sdb 8:16 active faulty offline
And when re-adding it comes back online just nice.


The way I configured was via chzdev like:
I used the z/VM approach with detaching the FCP adapter.
I used the multipath.conf as reported initially.
chzdev zfcp --enable 7200
chzdev zfcp --enable 7300
chzdev zfcp-lun --enable --online   <- warning I enable ALL, you might want just some of them


We realized as difference to Thorstens systems I also had from this ppa: sudo add-apt-repository ppa:xnox/nonvir
>From here I installed packages:
libzfcphbaapi0
zfcp-hbaapi-utils

Versions:
libzfcphbaapi0                      2.1.1-0ubuntu1
zfcp-hbaapi-utils                  2.1.1-0ubuntu1
multipath-tools-boot         0.5.0-7ubuntu15
Kernel                                     4.4.0-8-generic

I had a call with Thorsten and he will re-verify with the latest version on his system.
If his case still fails he might give it a try with the "way I configured it".

Other than that Thorsten suggested he would like it to see the merge
happening to the more recent upstream content that Ryan mentioned.

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Title:
  multipathd drops paths of a temporarily lost device

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