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Issue
Incremental backups fail with error:
Running: tgtadm --op show --mode target | grep Target | awk '{print $2}' | sed 's/://g'
tgtadm: can't send the request to the tgt daemon, Transport endpoint is not connected
Running: tgtadm --lld iscsi --mode target --op new --tid 1 --targetname iqn.2014-02-06:onapp.com:backup-qtoitl6ry8uj28
tgtadm: can't send the request to the tgt daemon, Transport endpoint is not connected
Environment
OnApp 5.x
Incremental backups enabled
Resolution
This has been identified to happen when the tgtd daemon isn't running. To check this, do the following:
1) SSH into the HV in question
2) Run this command: # ps -ef|grep tgtd
If you don't see anything that looks like this:
root 12282 1 0 20:34 ? 00:00:00 tgtd
Then that most likely means the daemon isn't running. To correct this, run this command:
# /etc/init.d/tgtd start
Starting SCSI target daemon: Starting target framework daemon
Then, just simply run this command again to test and make sure it is working correctly:
# ps -ef|grep tgtd
If it is, try running the incremental backup again and it should work as expected.
Cause
The tgtd daemon wasn't started when Incremental backups were enabled.