You may need to do a VOLUTIL scratchvol 3 prior to the NEWSET.

(If the NEWSET command works without the prior SCRATCHVOL, you’re okay).

After the VOLUTIL commands - and prior to the restore command to restore what was on the damaged volset, you want to restore your directory, as in:

:file t;dev=?
:restore *t;;directory 

Then, unless you’ve isolated complete accounts in the target volset, you could, from a recent backup, issue:

:file t;dev=?
:restore *t;/;KEEP;olddate;partdb;create

The ;KEEP option here is critical. 

If you know exactly which groups/accounts are on the volumeset, you could explicitly specify them on the restore command (or use a indirect file containing them) - but also use the KEEP option to be safe. 

Good luck.

Gilles Schipper 
Sent via mobile
416-702-7900

> On Nov 17, 2017, at 10:07 AM, James B. Byrne <[log in to unmask]> wrote:
> 
> We replaced LDEV 3 on our HP3000/918LX which had indeed failed.  This
> device was the only member in our backup volume set.  Now I have to
> add the new drive to that volume set.  And, given the lack of
> familiarity that I have with this procedure, although I must say I
> have had a great deal more in the past year than in two decades
> previous, I would like some guidance.
> 
> This is the current situation:
> 
> :DSTAT ALL
> LDEV-TYPE            STATUS    VOLUME           VOLUME SET - GEN
> ----------           -------   ----------------------------------
>    1-ST318417N       MASTER    MEMBER1         
> MPEXL_SYSTEM_VOLUME_SET-0
>    2-ST318417N       MASTER    MIDATA00         HAL_DATA-0
>    3-ST318417N       UNKNOWN
> 
> 
> This is the situation at which I wish to arrive:
> 
> Ldev   Type        Index  Volume Set Name                   Volume Name
> 
>  1    Master        1    MPEXL_SYSTEM_VOLUME_SET           MEMBER1
>  2    Master        1    HAL_DATA                          MIDATA00
>  3    Master        1    HAL_BKUP                          MEMBER1
> 
> 
> My notes tell me that what I should do is this:
> 
> : VOLUTIL
> volutil: NEWSET SNAME=HAL_BKUP MASTER=MEMBER1 LDEV=3 PERM=100 TRANS=100
> 
> BUT, before I do anything I am asking for verification that I have not
> missed any necessary steps and confirmation that nothing else is
> required;  Other than restoring the files on HAL_BKUP from our most
> recent full backup.
> 
> -- 
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