Re: [Networker] Benefits of 7.4 SP2 with Capacity License
2008-06-26 16:16:54
Hello,
If you bring down the VTL at the remote site that has robotics control, it
is going to affect any other VTL based on that hardware, but what are the
odds of repeated downtime on VTL ?
If you create physical tapes at remote site, then having one remote
external physical Tape drive that can talk to the SN will preserve your
restore capabilities.
I might prefer the Dedupe appliance as it can offer high availability
like VTL with simpler configurations.
HTH
brerrabbit <networker-forum AT BACKUPCENTRAL DOT COM>
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06/26/2008 02:56 PM
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[Networker] Benefits of 7.4 SP2 with Capacity License
Graeme Cowie wrote:
> Hi Networker,
>
> <snip>
>
> We have recently upgraded from Networker 7.3.3 to 7.4.2 on Windows, we
> have a number of general and dedicated storage nodes based at two sites
> where we have an EMC Disk Library 710, each Disk Library has a 128 slot
> ADIC 2000 configured.
>
> <snip>
>
> Under 7.3 we had to assign the configured VTL's to a storage node at
each
> site that would act as a controller for all the other storage node
drives,
> however if we shutdown the storage node at the remote site that has the
> VTL config - Networker then has no control over the library and
therefore
> we can't backup or restore anything while the storage node is offline
> unless we re-attach and re-config the VTL to another storage node.
>
> Now that we are on a capacity license, would it be feasible and
beneficial
> for us to create multiple VTL's on the Disk Libraries and assign them to
> multiple storage nodes per site? This I think would resolve the single
> point of failure and give us flexibility. As I understand it I can now
> create as many VTL's as I like.
>
> Any advice would be greatly appreciated.
>
> Regards,
>
> Graeme
>
>
> via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER
We have a similar arrangement. In our case we have a single site with 4
EDL 740's with an ADIC i2000 configured as the VTL. We have multiple
storage nodes with access to the VTL - there are dedicated drives for each
storage node - but the networker server controls the "robotics" for the
VTL. We are prepping for a reconfig and for the upgrade to 7.4.2 from
7.3.3 - in addition to the licensing issues we are contemplating having a
storage node associated to the EDL control the robotics rather than the NW
server. Any thoughts on one way or the other would be appreciated.
Thanks!
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