Change in vdsm[ovirt-3.5]: spec: Require newer kernel version for RHEL

fromani at redhat.com fromani at redhat.com
Wed Oct 21 06:51:43 UTC 2015


Francesco Romani has submitted this change and it was merged.

Change subject: spec: Require newer kernel version for RHEL
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spec: Require newer kernel version for RHEL

iSCSI default replacement_timeout is 120 seconds, resulting in too slow
iSCSI failover in multipath setup. In vdsm, this may lead to blocking of
multiple unrelated vdsm threads for many minutes, when lvm, multipath
ore scsi scan operation blocks.

This issue was resolved in multipath (BZ1099932), by configuring iscsi
session recovery_tmo sysfs attribute to multipath fast_io_fail_tmo
value, (5 seconds in vdsm configuration). However, this configuration
was reverted to the default 120 seconds after a device went down an up
again, or after restart of the iscsid daemon (BZ1139038).

This issue was fixed in kernel 3.10.0-229.17.1.el7. In this version,
setting session recovery_tmo using sysfs overrides the default value
defined in iscsid configuration file.

This fix is not available in CentOS, so we require the new kernel only
for RHEL.

Change-Id: I91c2c6b268d728ba6cee0232f72fe2459baa1ca2
Bug-Url: https://bugzilla.redhat.com/1273421
Backport-To: 3.6
Backport-To: 3.5
Relates-To: https://bugzilla.redhat.com/1099932
Relates-To: https://bugzilla.redhat.com/1139038
Signed-off-by: Nir Soffer <nsoffer at redhat.com>
Reviewed-on: https://gerrit.ovirt.org/47078
Continuous-Integration: Jenkins CI
Reviewed-by: Francesco Romani <fromani at redhat.com>
Reviewed-by: Dan Kenigsberg <danken at redhat.com>
Reviewed-on: https://gerrit.ovirt.org/47502
---
M vdsm.spec.in
1 file changed, 5 insertions(+), 0 deletions(-)

Approvals:
  Nir Soffer: Verified
  Jenkins CI: Passed CI tests
  Francesco Romani: Looks good to me, approved



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Gerrit-MessageType: merged
Gerrit-Change-Id: I91c2c6b268d728ba6cee0232f72fe2459baa1ca2
Gerrit-PatchSet: 5
Gerrit-Project: vdsm
Gerrit-Branch: ovirt-3.5
Gerrit-Owner: Nir Soffer <nsoffer at redhat.com>
Gerrit-Reviewer: Allon Mureinik <amureini at redhat.com>
Gerrit-Reviewer: Dan Kenigsberg <danken at redhat.com>
Gerrit-Reviewer: Francesco Romani <fromani at redhat.com>
Gerrit-Reviewer: Jenkins CI
Gerrit-Reviewer: Nir Soffer <nsoffer at redhat.com>
Gerrit-Reviewer: Yaniv Bronhaim <ybronhei at redhat.com>
Gerrit-Reviewer: automation at ovirt.org


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