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https://issues.apache.org/jira/browse/CLOUDSTACK-1896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chiradeep Vittal updated CLOUDSTACK-1896:
-----------------------------------------
Description:
While perusing NfsSecondaryStorageResource.java, I came across:
public Answer execute(final DownloadSnapshotFromS3Command cmd) {
...
try {
executeWithNoWaitLock(determineSnapshotLockId(accountId, volumeId),
new Callable<Void>() {
@Override
public Void call() throws Exception {
....
}
}
The executeWithNoWaitLock utility uses the management server database, which is
not available inside the secondary storage vm. So, my conclusion is that there
is no way this code works.
This also affects the method deleteSnapshotBackupfromS3
was:
While perusing NfsSecondaryStorageResource.java, I came across:
public Answer execute(final DownloadSnapshotFromS3Command cmd) {
...
try {
executeWithNoWaitLock(determineSnapshotLockId(accountId, volumeId),
new Callable<Void>() {
@Override
public Void call() throws Exception {
....
}
}
The executeWithNoWaitLock utility uses the management server database, which is
not available inside the secondary storage vm. So, my conclusion is that there
is no way this code works.
Unfortunately the same code has been added to the Swift-backed code as well and
will therefore break that as well.
Summary: S3-backed NFS secondary storage uses Db-based lock when DB is
not available (was: S3 and Swift-backed NFS secondary storage uses Db-based
lock when DB is not available)
> S3-backed NFS secondary storage uses Db-based lock when DB is not available
> ---------------------------------------------------------------------------
>
> Key: CLOUDSTACK-1896
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1896
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Storage Controller
> Affects Versions: 4.1.0, 4.2.0
> Reporter: Chiradeep Vittal
> Assignee: John Burwell
>
> While perusing NfsSecondaryStorageResource.java, I came across:
> public Answer execute(final DownloadSnapshotFromS3Command cmd) {
> ...
> try {
> executeWithNoWaitLock(determineSnapshotLockId(accountId,
> volumeId),
> new Callable<Void>() {
> @Override
> public Void call() throws Exception {
> ....
> }
> }
> The executeWithNoWaitLock utility uses the management server database, which
> is not available inside the secondary storage vm. So, my conclusion is that
> there is no way this code works.
> This also affects the method deleteSnapshotBackupfromS3
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