mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-09 16:00:22 +00:00
rbd: check local image description for split-brain
In some corner case like `re-player shutdown` the
local image will not be in error state. It would
be also worth considering `description` field to
make sure about split-brain.
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
(cherry picked from commit 0d51f6d833
)
This commit is contained in:
parent
e758c0a0c2
commit
7d163dab64
@ -634,8 +634,7 @@ func (rs *ReplicationServer) ResyncVolume(ctx context.Context,
|
||||
ready = checkRemoteSiteStatus(ctx, mirrorStatus)
|
||||
}
|
||||
|
||||
// resync only if the image is in error state
|
||||
if strings.Contains(localStatus.State.String(), string(errorState)) {
|
||||
if resyncRequired(localStatus) {
|
||||
err = rbdVol.resyncImage()
|
||||
if err != nil {
|
||||
util.ErrorLog(ctx, err.Error())
|
||||
@ -664,3 +663,20 @@ func (rs *ReplicationServer) ResyncVolume(ctx context.Context,
|
||||
|
||||
return resp, nil
|
||||
}
|
||||
|
||||
// resyncRequired returns true if local image is in split-brain state and image
|
||||
// needs resync.
|
||||
func resyncRequired(localStatus librbd.SiteMirrorImageStatus) bool {
|
||||
// resync is required if the image is in error state or the description
|
||||
// contains split-brain message.
|
||||
// In some corner cases like `re-player shutdown` the local image will not
|
||||
// be in an error state. It would be also worth considering the `description`
|
||||
// field to make sure about split-brain.
|
||||
splitBrain := "split-brain"
|
||||
if strings.Contains(localStatus.State.String(), string(errorState)) ||
|
||||
strings.Contains(localStatus.Description, splitBrain) {
|
||||
return true
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user