If it's a VTL, why not just increase the number of "tape" drives?

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of 
Harris, Steven
Sent: Sunday, May 21, 2017 9:38 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: [ADSM-L] Tape mounts and VE backups.

HI all

At my current gig, we are running a TSM VE environment.  Server is AIX, storage 
agents and vBS on physical linux X86_64.  Disk is on V840 flash, back end is 
protectier VTL. TSM Server 7.1.1,  Storage agent 7.1.1, TSM For VE 7.1.1 can't 
go higher because  of an old Vcenter version.

Backups run  using SAN transport to VBS servers, through the storage agents 
direct to the VTL. Now we are ramping up, adding more VMware clusters.
Now everywhere else in TSM, when you run up against the devclass device limits, 
TSM queues nicely and waits for a tape drive. However for the VE backups,  when 
we have used all the drives (48!) we get a "server media mount not possible" 
error and a failed backup for the VM.

Have others found this?  Is there a work around?

Regards

Steve

Steven Harris
TSM Admin/Consultant
Canberra Australia



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