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storageBackendProbeTarget: Don't fail if backing store can't be parsed

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When the backing store of the image can't be parsed
virStorageSourceNewFromBacking returns -1. storageBackendProbeTarget
then also fails which makes the pool refresh fail or even the storage
pool becomes inactive after (re)start of libvirtd.

In situations when we can't access the backing store via network we
just report the backing store string, thus we can do the same thing for
unparsable backing store to prevent the pool from going offline.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Peter Krempa 2021-02-25 13:51:51 +01:00
parent e83fbead66
commit 104db1951d
1 changed files with 2 additions and 4 deletions
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6
src/storage/storage_util.c
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@ -3435,13 +3435,11 @@ storageBackendProbeTarget(virStorageSourcePtr target,
return -1;
if (meta->backingStoreRaw) {
if (virStorageSourceNewFromBacking(meta, &target->backingStore) < 0)
return -1;
/* XXX: Remote storage doesn't play nicely with volumes backed by
* remote storage. To avoid trouble, just fake the backing store is RAW
* and put the string from the metadata as the path of the target. */
if (!virStorageSourceIsLocalStorage(target->backingStore)) {
if (virStorageSourceNewFromBacking(meta, &target->backingStore) < 0 ||
!virStorageSourceIsLocalStorage(target->backingStore)) {
virObjectUnref(target->backingStore);
target->backingStore = virStorageSourceNew();