Dan Kenigsberg has submitted this change and it was merged.

Change subject: hsm: Rescan multipath before loading lvm cache
......................................................................


hsm: Rescan multipath before loading lvm cache

lvm cache was loaded before multipath rescan, loading possibly stale
data, since existing devices may disappear and new devices may appear
after multipath rescan.  After lvm cache was loaded, storage domain
cache was refreshed, invoking multipath rescan and invalidating lvm
cache.  Later lvm commands would trigger a second load of the lvm cache.

This patch refreshes storage domain cache before loading lvm cache,
ensuring a fresh cache and saving an unneeded lvm cache reload, which
can be slow when having lot of lvs.

Change-Id: I6ec7beee1db193a47d9e8109929badfd5b322c02
Signed-off-by: Nir Soffer <nsof...@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/21567
Reviewed-by: Ayal Baron <aba...@redhat.com>
Reviewed-by: Yaniv Bronhaim <ybron...@redhat.com>
Reviewed-by: Federico Simoncelli <fsimo...@redhat.com>
---
M vdsm/storage/hsm.py
1 file changed, 1 insertion(+), 1 deletion(-)

Approvals:
  Ayal Baron: Looks good to me, approved
  Nir Soffer: Verified
  Yaniv Bronhaim: Looks good to me, but someone else must approve
  Federico Simoncelli: Looks good to me, approved



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To view, visit http://gerrit.ovirt.org/21567
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Gerrit-MessageType: merged
Gerrit-Change-Id: I6ec7beee1db193a47d9e8109929badfd5b322c02
Gerrit-PatchSet: 4
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Nir Soffer <nsof...@redhat.com>
Gerrit-Reviewer: Allon Mureinik <amure...@redhat.com>
Gerrit-Reviewer: Ayal Baron <aba...@redhat.com>
Gerrit-Reviewer: Dan Kenigsberg <dan...@redhat.com>
Gerrit-Reviewer: Daniel Erez <de...@redhat.com>
Gerrit-Reviewer: Eduardo <ewars...@redhat.com>
Gerrit-Reviewer: Federico Simoncelli <fsimo...@redhat.com>
Gerrit-Reviewer: Nir Soffer <nsof...@redhat.com>
Gerrit-Reviewer: Vered Volansky <vvola...@redhat.com>
Gerrit-Reviewer: Yaniv Bronhaim <ybron...@redhat.com>
Gerrit-Reviewer: oVirt Jenkins CI Server
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