RE: Using multiple tape drives for *NonSys system backup

>>>Why can't you use both? Just specify both drives in the savlib *nonsys
>>>cmd. Now if you want to "2" separate backups at the same time then
>>>that's a whole different story

Yes, Kirk, you can use both drives in a 'serial' mode (i.e. save to first 
device, when full start save on second device, etc and this has been supported 
for quite some time).  What I was asking about are 'parallel' saves, which I've 
found documented in the V4R4 manuals, but not with much detail.  Scott's reply 
refers to BRMS's interface to this at V4R4, which allows creation of a 'media 
definiton' object which is needed, but we don't use BRMS.  I did find in the 
Backup and Recovery API's Reference an API that will allow the creating of a 
'Media Definition'.  Under V4R4, this can then be referred to on the device 
parameter of a 'normal' save command (i.e. SAVLIB, SAVOBJ, SAVCHGOBJ).

What I have not been able to determine is if this can be done for a SAVLIB 
(*NONSYS).  One of the restrictions IBM documents is that only one library can 
be entered when using a 'parallel' save.  But is entering *NONSYS the 
equivalent of entering one library name???

Glenn Birnbaum

> -----Original Message-----
> From: Glenn Birnbaum [SMTP:gbirnba@rei.com]
> Sent: Friday, March 10, 2000 8:50 AM
> To:   'MIDRANGE-L@midrange.com'
> Subject:      Using multiple tape drives for *NonSys system backup
> 
> We're trying to shorten the down time used during our weekly full
> system backups.  We have two 3590's available, but under V4R3, cannot
> use both drives for a SAVLIB(*NONSYS) backup.  
> 
> At which release is there support for using multiple drives during
> restricted state backups?  Also, any details of how it's implemented
> and benchmarks of time savings would be interesting.
> 
> TIA,
> Glenn Birnbaum

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