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Merge pull request #26212 from rhvgoyal/xfs-enospc

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devmapper: Set xfs max_retries to 0 upon ENOSPC
Upstream-commit: 0d03c060c7e6800e60833c4462b917ee9b081440
Component: engine
This commit is contained in:
Michael Crosby
2016-09-06 09:03:09 -07:00
committed by GitHub
parent 8226c5b8ed f9ef0edaad
commit 773fd0e328
2 changed files with 61 additions and 0 deletions
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16
components/engine/docs/reference/commandline/dockerd.md
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@ -552,6 +552,22 @@ options for `zfs` start with `zfs` and options for `btrfs` start with `btrfs`.
$ dockerd --storage-opt dm.min_free_space=10%
```
* `dm.xfs_nospace_max_retries`
Specifies the maximum number of retries XFS should attempt to complete
IO when ENOSPC (no space) error is returned by underlying storage device.
By default XFS retries infinitely for IO to finish and this can result
in unkillable process. To change this behavior one can set
xfs_nospace_max_retries to say 0 and XFS will not retry IO after getting
ENOSPC and will shutdown filesystem.
Example use:
```bash
$ dockerd --storage-opt dm.xfs_nospace_max_retries=0
```
#### ZFS options
* `zfs.fsname`