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тАО06-16-2008 04:25 PM
тАО06-16-2008 04:25 PM
Re: Image backup not found on tape
Just a quick suggestion for you to establish the underlying problem, based on my own experience. If you can modify the backup job, try the following:
- at the start of the job, do a
$ SHOW DEV D
to list all disk devices
- immediately prior to the BACKUP command, do a
$ SHOW DEV/FULL 'device'
where 'device' is the device about to be backed up.
This way you will know exactly the state of your disks when BACKUP is running.
Regards,
Jeremy Begg
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тАО06-17-2008 07:19 AM
тАО06-17-2008 07:19 AM
Re: Image backup not found on tape
IMHO it is not wise to keep system disks mounted on any systems other than the owners. This is one example of what can occur, another is the inability to mount the system disk at boot time because of an "another volume with the same name" type error, probably only occurs when shadowed.
Suggestion, only mount the remote disks when you actually need them, put some F$GETDVI's in place to verify the status of those disks both before and after mounting and raise alarms if there appears to be a problem. And dismount them when done.
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тАО06-17-2008 09:12 AM
тАО06-17-2008 09:12 AM
Re: Image backup not found on tape
>>>
another is the inability to mount the system disk at boot time because of an "another volume with the same name" type error,
<<<
Excuse me, but if you EVER encounter such error, it is HIGH TIME to review your config, or more precise, your boot procedures!
__EACH__ device should be, and if it has ever been in the config, it _IS_, uniquely named.
If your procedures use the fully qualified names ie, using $ALLCLASS$ or nodename$diskname syntax (as thy should in a cluster environment), then this error will NOT occur!
This looks more like a mount-verify remote-mounted type of situation.
Mike: maybe you should modify the backup procedure to verify that each disk _IS_ present, available, and mounted at the node running the Backup procedure. Available through simple F$GETDVI functions.
hth
Proost.
Have one on me.
jpe
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тАО06-18-2008 01:41 AM
тАО06-18-2008 01:41 AM
Re: Image backup not found on tape
So you mount system A's system disk on system B, then system A reboots it attempts to mount EG $1$dka0 and fails because there is a DSA device with the same volume label. A similar scenario can occur if you use SCSI device naming.
Cheers, Ian
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тАО06-23-2008 11:24 AM
тАО06-23-2008 11:24 AM
Re: Image backup not found on tape
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тАО06-23-2008 12:21 PM
тАО06-23-2008 12:21 PM
Re: Image backup not found on tape
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