This sounds promising. Not having MPEX, I can't tell you if everything
would work but that is easily tested.
You will need to issue the command
:NEWACCT MYACCT,MGR;ONVS=VASET_01
The you can create all the groups you want with:
:NEWGROUP XXX;ONVS=VASET_01
:NEWGROUP XXX;HOMEVS=VASET_01
When the source group is empty, make sure you purge it with BOTH a standard
PUIRGEGROUP and then a PURGEGROUP with ONVS.
Once all the groups have been copied and removed from the source volumeset
you can do a final PURGEACCT with ONVS=. This will remove the structure
from the source volumeset.
However, if you do not intend to use the XP512 or you can reformat in
another way, you may dispense with the PURGExxx ;ONVS=xxx.
Denys
_____
From: Tim Cummings [mailto:[log in to unmask]]
Sent: Monday, February 21, 2005 3:42 PM
To: [log in to unmask]; Tim Cummings; [log in to unmask]
Subject: RE: [HP3000-L] Moving from XP512 to VA71xx
I'm thinking that at the least, I could do the following:
create new volume set VASET_01
create new groups for my existing account on the new volume set.
(SOURCE1, DATA1,PUB1,STREAMS1 ...)
Use MPEX to copy existing groups one by one to the new volume set. (COPY
@.SOURCE TO @.SOURCE1 ...)
Purge group SOURCE.
Create SOURCE group on new volume set.
Use MPEX to rename files back to original group names.
(RENAME @.SOURCE1 TO @.SOURCE)
I will need to create the new groups with the same characteristics as they
exist today. (BUILDACCT? might be a good start)
Does anyone see any holes in this theory.
Tim
-----Original Message-----
From: Denys Beauchemin [mailto:[log in to unmask]]
Sent: Monday, February 21, 2005 4:11 PM
To: 'Tim Cummings'; [log in to unmask]; [log in to unmask]
Subject: RE: [HP3000-L] Moving from XP512 to VA71xx
I apologize for not being more explicit. Now, you cannot have accounts with
the same name on a single system even if they are in separate volumesets.
When I mentioned issues with account nomenclature what I meant to say was
that if you could change the account name for the new volumeset (and you
could keep the all the groups the same,) you would be home free. So, if
your account names are hard-coded and too difficult to change, then it's
store/restore time.
On the other hand if you could manage an account name change, the
possibilities that open up for you are legions.
Denys
_____
From: Tim Cummings [mailto:[log in to unmask]]
Sent: Monday, February 21, 2005 3:04 PM
To: [log in to unmask]; Tim Cummings; [log in to unmask]
Subject: RE: [HP3000-L] Moving from XP512 to VA71xx
Yes, these gadgets are on an N-class.
Can you have 2 volume sets with the same account structures on them?
If so, how would the copy be done?
I would like to do the transition in a phased implementation.
Tim
-----Original Message-----
From: Denys Beauchemin [mailto:[log in to unmask]]
Sent: Monday, February 21, 2005 3:57 PM
To: 'Tim Cummings'; [log in to unmask]
Subject: RE: [HP3000-L] Moving from XP512 to VA71xx
That's a nice thought but I don't think you can make it work. Beyond the
connectivity problem, (and you did not mention what type of system these
lovely gadgets are connected to, but I suspect some type of N-class,) the
documentation of VOLTUTIL is quite specific. The volumes must be in a
non-mounted state. The source volume must be in a LONER, SCRATCH or UNKNOWN
state and the target volume must be in a SCRATCH or UNKNOWN state. This
means you will need to somehow corrupt your volumes before trying this.
The COPYSET command wants the source to be in a LONER state and the target
to be in a SCRATCH or UNKBOWN state.
All in all, it would be interesting to try, especially on a small volumeset.
I am not one to condone testing such things with production data.
An alternative would be to create a new volumeset with the VA71xx attached
to it and then start copying groups from one volumeset to another. You
could do this at the group level and take your time doing it, a phased
implementation if you will. You will have to deal with issues of
nomenclature for duplicate accounts, but if you could get by those problems,
this could be a great way of doing things. (Provided you have the
connectivity above.)
Denys
-----Original Message-----
From: HP-3000 Systems Discussion [mailto:[log in to unmask]] On Behalf
Of Tim Cummings
Sent: Monday, February 21, 2005 1:45 PM
To: [log in to unmask]
Subject: [HP3000-L] Moving from XP512 to VA71xx
We are moving from an XP512 to a VA71xx. Hp wants us to do a tape
store/restore to move the data (19 hours to backup, restore?).
If we added 2 more fiber cards to hookup the new VA, couldn't we use
VOLUTIL's COPYSET or COPYVOL to move our data?
Our current config looks like:
MPEXL_SYSTEM_VOLUME_SET
drive 1 (internal mirrored drive)
XP01_SET
drives 101/119 (all on fiber card 1)
drives 221/239 (all on fiber card 2)
volutil: showset
Volume-set name: MPEXL_SYSTEM_VOLUME_SET
Creation date: WED, JUN 11, 2003, 8:07 PM
Generation number: 0
Number of volumes in set: 1
Number of classes in set: 1
volutil: showset XP01_SET
Volume-set name: XP01_SET
Creation date: TUE, JUL 8, 2003, 1:39 PM
Generation number: 0
Number of volumes in set: 38
Number of classes in set: 1
Tim Cummings
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