Hello,
I agree, it  will not apply to your environment, as noted below.
Thanks for the clarification.



Francis Swasey <Frank.Swasey AT uvm DOT edu> 
05/27/2008 10:43 AM

To
Fazil.Saiyed AT anixter DOT com
cc
EMC NetWorker discussion <NETWORKER AT LISTSERV.TEMPLE DOT EDU>
Subject
Re: [Networker] The volid on tape and the one in media base is not the 
same!






Fazil,

If you are recommending that I use persistent binding, then I will have 
to tell you that it is useless for me to do that because I have each 
tape directly connected to a port on an HBA.  Since persistent binding 
has to do with multiple devices attached to a single port on an HBA it 
doesn't help me.  What I need is persistent binding at the OS level, 
which is provided by the newer udev drivers for Linux by basing devices 
on the WWNN of the tape drive (at least until I have to replace a faulty 
drive).

Frank

On 5/27/08 9:23 AM, Fazil.Saiyed AT anixter DOT com wrote:
> Hello,
> You may want to look at previous post on persistence binding etc to get 
> detail on how to correct tapes from re-sequencing.
> Generally, you should use persistence binding with your  HBA ( Details 
can 
> be found with previous posts).Newer Tape drivers allow you to use 
> persistence naming scheme ( Depending on your host OS , the process can 
> differ).Check driver release notes.
> You may find it easier to implement this schemes and redo your jbconfig 
> etc & then you will have more stable environment.
> HTH
> 
> 
> 
> 
> Francis Swasey <Frank.Swasey AT UVM DOT EDU> 
> Sent by: EMC NetWorker discussion <NETWORKER AT LISTSERV.TEMPLE DOT EDU>
> 05/25/2008 04:56 AM
> Please respond to
> EMC NetWorker discussion <NETWORKER AT LISTSERV.TEMPLE DOT EDU>; Please 
> respond 

> to
> Francis Swasey <Frank.Swasey AT UVM DOT EDU>
> 
> 
> To
> NETWORKER AT LISTSERV.TEMPLE DOT EDU
> cc
> 
> Subject
> Re: [Networker] The volid on tape and the one in media base is not the 
> same!
> 
> 
> 
> 
> 
> 
> The way I do that is to have NetWorker mount a tape in a drive and then 
> go look on the system to see if it got mounted in the correct drive.
> 
> I know which drive it should be, and use the mt command to check if it 
> is in that drive.  If it isn't, then I can either go look at the drives 
> to see where the tape did wind up, or I can run mt commands against the 
> rest of the drives until I find the one that has a tape that shouldn't 
> (This is always easier if NetWorker isn't playing with the jukebox at 
> the same time).
> 
> Frank
> 
> On 5/25/08 3:03 AM, ramo wrote:
>> thx Peter;
>> but how to check that my tape devices are setup in the wrong order or 
> not ?
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-- 
Frank Swasey                    | http://www.uvm.edu/~fcs
Sr Systems Administrator        | Always remember: You are UNIQUE,
University of Vermont           |    just like everyone else.
   "I am not young enough to know everything." - Oscar Wilde (1854-1900)



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