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тАО06-28-2011 09:19 AM
тАО06-28-2011 09:19 AM
HI ,
CAN I JUST SAY (FIRST TIME DOING THIS TYPE OF RESTORE)
I AM TRYING TO DO AN IMAGE RESTORE OF A DISK FROM TAPE (IN THIS CASE DSA1200)
I WANT TO MOUNT THE DISK FOREIGN IN ORDER TO RESTORE THE IMAGE BUT AM GETTING 'CONFLICTING QUALIFIERS' ERRORS
THE DISK NAME IS 'DSA1200' BUT IT IS SHADOWED TO $1$DGA250'
SO IN OTHER WORDS WHEN YOU 'SHOW DEV D'
$1$DGA250 IS A SHADOWSETMEMBER (member of DSA1200)
So Im confused as regards how I actually dismount it and remount / foreign in order to do this image restore.
Many thanks in advance
Solved! Go to Solution.
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тАО06-28-2011 09:42 AM
тАО06-28-2011 09:42 AM
Re: IMAGE RESTORE TO A SHADOW DISK
To restore the image backup of a shadowed disk, you need to restore it to a non-shadowed disk first and then form a shadowset from that restored member, e.g.
$ MOUNT/FOR $1$DGAxxx:
$ BACKUP/IMAGE tape:saveset/SAVE $1$DGAxxx:
$ DISM/NOUNL $1$DGAxxx:
$ MOUNT/SYS DSAnnn:/SHADOW=$1$DGAxxx: label
Make sure that DSAnn: does not yet exist and that $1$DGAxxx: is not a member on an existing shadowset, when you run the restore.
Volker.
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тАО06-28-2011 09:49 AM
тАО06-28-2011 09:49 AM
Re: IMAGE RESTORE TO A SHADOW DISK
Hi again Volker , you are helping me loads today (thanks so much) - ok tried that but got the following :
$ BACKUP/REW/IMAGE $2$MGA0:DSA1200.SAV/SAVE_SET $1$DGA250:
IBID91::_TNA12: 17:48:09 BACKUP CPU=00:00:01.38 PF=18826 IO=25842 MEM=382
%BACKUP-I-ODS2COMPAT, output volume $1$DGA250: structure [ODS-2] is not compatib
le with OpenVMS versions prior to 7.2
%BACKUP-F-WRITEERR, error writing $1$DGA250:
-SYSTEM-F-WRITLCK, write lock error
$
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тАО06-28-2011 09:53 AM
тАО06-28-2011 09:53 AM
Re: IMAGE RESTORE TO A SHADOW DISK
By the way Volker - if it was initialised wrong I can re init the disks to whatever it needs to be for this
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тАО06-28-2011 09:57 AM
тАО06-28-2011 09:57 AM
SolutionNow this messages seems to indicate, that the output disk $1$DGA250: is write-locked. Is it not ?
What does $ SHOW DEV/FULL $1$DGA250: tell you ?
If you're sure, that you can overwrite the contents of $1$DGA250:, try a simple INIT $1$DGA250: SCRATCH - if the disk is really write locked, that will fail as well.
Volker.
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тАО06-28-2011 10:04 AM
тАО06-28-2011 10:04 AM
Re: IMAGE RESTORE TO A SHADOW DISK
Hi Volker , ok here is output
$ show dev/full $1$dga250/page
Disk $1$DGA250: (IBID91), device type HSV400, is online, file-oriented device,
shareable, available to cluster, device has multiple I/O paths, error
logging is enabled.
Error count 0 Operations completed 6082
Owner process "" Owner UIC [SYSTEM]
Owner process ID 00000000 Dev Prot S:RWPL,O:RWPL,G:R,W
Reference count 0 Default buffer size 512
Current preferred CPU Id 1 Fastpath 1
WWID 01000010:6001-4380-05DE-CA67-0000-5000-033A-0000
Total blocks 37748736 Sectors per track 128
Total cylinders 2304 Tracks per cylinder 128
Allocation class 1
I/O paths to device 8
Path FGA0.5000-1FE1-5024-1348 (IBID91), primary
Error count 0 Operations completed 24
Last switched to time: Never Count 0
Last switched from time: 27-JUN-2011 16:46:02.73
Path FGA0.5000-1FE1-5024-134A (IBID91)
Error count 0 Operations completed 24
RETURN/SPACE=More, PREV/NEXT=Scroll, INS/REM=Pan, SELECT=80/132, CTRL/Z=Quit 0
Last switched from time: Never
Path FGA0.5000-1FE1-5024-134C (IBID91)
Error count 0 Operations completed 24
Last switched to time: 27-JUN-2011 16:46:02.73 Count 1
Last switched from time: 27-JUN-2011 16:46:19.73
Path FGA0.5000-1FE1-5024-134E (IBID91)
Error count 0 Operations completed 24
Last switched to time: Never Count 0
Last switched from time: Never
Path FGB0.5000-1FE1-5024-1349 (IBID91)
Error count 0 Operations completed 24
Last switched to time: Never Count 0
Last switched from time: Never
Path FGB0.5000-1FE1-5024-134B (IBID91), current
Error count 0 Operations completed 5914
Last switched to time: 27-JUN-2011 16:46:19.73 Count 1
Last switched from time: Never
Path FGB0.5000-1FE1-5024-134D (IBID91)
RETURN/SPACE=More, PREV/NEXT=Scroll, INS/REM=Pan, SELECT=80/132, CTRL/Z=Quit 4
Last switched to time: Never Count 0
Last switched from time: Never
Path FGB0.5000-1FE1-5024-134F (IBID91)
Error count 0 Operations completed 24
Last switched to time: Never Count 0
Last switched from time: Never
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тАО06-28-2011 11:28 AM
тАО06-28-2011 11:28 AM
Re: IMAGE RESTORE TO A SHADOW DISK
Hi Volker , since the last post I decided to init the disk as we mentioned previously and hey presto - it worked a treat . Many thanks again for your help today
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тАО06-28-2011 11:30 AM
тАО06-28-2011 11:30 AM
Re: IMAGE RESTORE TO A SHADOW DISK
Is $1$DGA250: a new unit created for you to restore this image backup ? You can try a MOUNT/FOREIGN $1$DGA250: to see, if this disk has an OpenVMS disk volume label.
The disk may be write-locked at the SAN level (on the EVA controller), maybe there is a problem on the underlying diskgroup on the EVA as well.
If you're sure the disk contains nothing of value, try $ INIT $1$DGA250: SCRATCH
If you can write to that disk with INIT, I would not expect the BACKUP/IMAGE restore to fail.
Volker.
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тАО06-28-2011 11:35 AM - edited тАО06-28-2011 11:36 AM
тАО06-28-2011 11:35 AM - edited тАО06-28-2011 11:36 AM
Re: IMAGE RESTORE TO A SHADOW DISK
After you did INIT the disk o.k., did the BACKUP/IMAGE also succeed ?
Maybe the disk $1$DGA250: had been a previous shadowset member. If you mount such a disk as a non-shadowed disk, it will automatically be write-locked. This would happen with a normal MOUNT. Maybe something also caused this effect to happen after a MOUNT/FOREIGN while BACKUP was trying to init the disk...
Volker.