Denys and everyone,
Has anyone inquired with the folks at Lund. As I recall, they had a product
called 'CLONEDISK' which might fit the bill for copying disc volumes. I
know
that James Reynolds published some history on that product to the -L several
years ago.
Bill Lancaster can you address this?
Chuck Ciesinski
----- Original Message -----
From: "Denys Beauchemin" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, February 21, 2005 5:30 PM
Subject: Re: [HP3000-L] Moving from XP512 to VA71xx
> 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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