Veritas-bu

[Veritas-bu] NB Enterprise Server 5.1 MP3 - Jobs are queuing

2007-03-05 13:49:00
Subject: [Veritas-bu] NB Enterprise Server 5.1 MP3 - Jobs are queuing
From: pkeating at bank-banque-canada.ca (Paul Keating)
Date: Mon, 5 Mar 2007 13:49:00 -0500
no problem, if the LUNs are configured properly.
 
seems a little complicated however, to troubleshoot like this....
 
I'm thinking you have some misconfiguration of how your servers are seeing the 
devices, if you're not using SSO, or host LUN masking.
 
Does the CDL do LUN mapping?
 
Paul
 
 
-- 

        -----Original Message-----
        From: Kevin Whittaker [mailto:Kevin.Whittaker at syniverse.com] 
        Sent: March 5, 2007 12:55 PM
        To: Paul Keating; veritas-bu at mailman.eng.auburn.edu
        Subject: RE: [Veritas-bu] NB Enterprise Server 5.1 MP3 - Jobs are 
queuing
        
        
        I have 3 departmental switches setup, ISLed together.  The 6 
connections from the CDL720 are connected to the switch.
         
        My zoning is creating a zone for each media server, and connection 
combo.  So the same single connection on the CDL will have more than one zone 
it is in for each server.  Is this a problem?

  _____  

        From: Paul Keating [mailto:pkeating at bank-banque-canada.ca] 
        Sent: Monday, March 05, 2007 11:59 AM
        To: Kevin Whittaker; veritas-bu at mailman.eng.auburn.edu
        Subject: RE: [Veritas-bu] NB Enterprise Server 5.1 MP3 - Jobs are 
queuing
        
        
        so you have 6 virtual robots, with 20 drives each, or 120 drives.
         
        How are the drives provisioned?
         
         
        I assume your VTL has the 120 drives shared out of 2, 4, 6 HBA ports, 
and the drives appear as 20-60 LUNs per HBA.
         
        are you using LUN masking on the hosts to allow them to see a fixed 
number of drives each?
         
        if you're just using basic zoning, one of your media servers might be 
reserving the entire "port", so other media servers zoned to the same port 
cannot run any backups, hence its jobs queue...
         
        It doesn't sound like an obvious misconfiguration.
         
        Paul
         
         
        -- 

                -----Original Message-----
                From: Kevin Whittaker [mailto:Kevin.Whittaker at syniverse.com] 
                Sent: March 5, 2007 11:53 AM
                To: Paul Keating; veritas-bu at mailman.eng.auburn.edu
                Subject: RE: [Veritas-bu] NB Enterprise Server 5.1 MP3 - Jobs 
are queuing
                
                
                At the times I see this, vaulting is not running.
                 
                As for the Virtual Robot, they are controlled by the master 
server, and I allocated the drives to each media server as I needed them and I 
am not sharing them.
                 
                Kevin

  _____  

                From: Paul Keating [mailto:pkeating at bank-banque-canada.ca] 
                Sent: Monday, March 05, 2007 11:49 AM
                To: Kevin Whittaker; veritas-bu at mailman.eng.auburn.edu
                Subject: RE: [Veritas-bu] NB Enterprise Server 5.1 MP3 - Jobs 
are queuing
                
                
                Is the problem during vaulting or during backup?
                 
                How are you sharing the 6 virtual robots among the 32 media 
servers?
                 
                Paul
                 
                -- 

                        -----Original Message-----
                        From: veritas-bu-bounces at mailman.eng.auburn.edu 
[mailto:veritas-bu-bounces at mailman.eng.auburn.edu] On Behalf Of Kevin 
Whittaker
                        Sent: March 5, 2007 10:25 AM
                        To: veritas-bu at mailman.eng.auburn.edu
                        Subject: [Veritas-bu] NB Enterprise Server 5.1 MP3 - 
Jobs are queuing
                        
                        
                        Ok,  Let me see if I can explain.  I have a L700E with 
11 Tape drives.  We recently purchased a EMC CDL720 (Virtual Tape Drive Unit), 
which I can configure as multiple virtual robots.  I have configured 6 L700 
silos with 20 drives in each robot.  I have been spreading them over the 32 
media servers that I currently have.  Well, the master server I have does all 
my vaulting, so I have configured 4 tape drives from each of the 6 virtual 
silos.  One of the main reasons for this new VTL is I am running out tape drive 
resources over the weekends, and figured having 24 tape drives it would help 
resolve it.

                        Let's first start with.... Yes, I have tested the 
Virtual silos and they do perform backups and restores.  So when I move the 
backups to the silos, they don't all run at the same time.  I notice that the 
jobs are queuing, and there are available tape drives?!?

                        I checked with VERITAS and they say there is no license 
that would stop me from running a certain amount of backups at a time.

                        Kevin Whittaker 

                
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