manila/bug-1903773-fix-zfsonlinux-share-unmounting-after-migration-329b1eb2f33f78a3.yaml at 0a2ae6ff5117bb80a7c94f3f94127a4c525bb515 - manila - OpenDev: Free Software Needs Free Tools

openstack/manila

Goutham Pacha Ravi e3fea14788 Retry unmount operation on the ZFSOnLinux driver

When a share is mounted on the same host as the manila-share
process, zfs prevents us from destroying the underlying
dataset until the share has been cleanly unmounted from
the host. Kernel mounts can take a few seconds to get
unmounted fully especially when there are a lot of
linux namespaces that the mountpoint has been shared to.

Add a retry on these operations to harden the deletion
process and prevent spurious failures.

Change-Id: I4aba76b72df274d0a8cb90fe0ab8799523c260ef
Closes-Bug: #1903773
Related-Bug: #1896672
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>

2020-11-10 13:35:21 -08:00

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 fixes:
   - |
     Share cleanup for the ZFSOnLinux driver has been enhanced to retry on known
     errors that could occur due to mount propagation. See `bug 1903773
     <https://bugs.launchpad.net/manila/+bug/1903773>`_ for more details.