Networker

Re: [Networker] Dynamic WWNs for FC tape drives

2005-09-29 12:27:00
Subject: Re: [Networker] Dynamic WWNs for FC tape drives
From: Robert Maiello <robert.maiello AT PFIZER DOT COM>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Thu, 29 Sep 2005 12:21:53 -0400
You mean why one would not want use it?   I see now, if enabled it
will set a static WWN for Node, Port A, and Port B of a drive.  It seems
we should be using it.

I see it as option on the front panel.  Manual says it is set at installation.  

Robert Maiello
Pioneer Data Systems.    

On Thu, 29 Sep 2005 10:22:32 -0500, Dale Mayes <dmayes AT KIMBALL DOT COM> 
wrote:

>STK-9840s have dual FC ports.
>I've used it for high-availability purposes by connecting each drive to
>two different fabrics.
>
>I have no idea why you would want to use the dynamic wwn feature.
>
>-----Original Message-----
>From: Legato NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU]
>On Behalf Of Raghava Karu
>Sent: Thursday, September 29, 2005 9:36 AM
>To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
>Subject: Re: [Networker] Dynamic WWNs for FC tape drives
>
>Yes, we were told by Storagetek Engineers on L700e it is possible, if
>library IPL'd. What IPL mean ? When dWWN was enabled on library, we are
>seeing two wwns for each drive in library front panel. But don't know
>which wwn will be recognised by SAN switch?
>
>Thanks
>Rag
>
>-------------- Original message --------------
>
>> Is this possible on the L700? Our drives go right to the switch. Can
>> the library override/rewrite the WWN of a drive?
>>
>> Robert Maiello
>> Pioneer Data Systems
>>
>> On Fri, 23 Sep 2005 15:58:18 +0000, Raghava Karu wrote:
>>
>> >Hi,
>> >We want to enable the dynamic WWN feature on L700 and for LTO II FC
>drives.
>> How do I enable it on L700 and what are the configurations needs to be
>
>> made on backup server, storagenodes.
>> >
>> >Each drive should be shared by backup server, and 4 storagenodes in
>> >SAN
>> environment. Please also share me if you are noticing any issues with
>> dWWN feature.
>> >
>> >Thanks in advance,
>> >Raghava
>> >
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