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03-27-2009 03:53 PM - last edited on 03-17-2015 07:52 PM by Maiko-I
03-27-2009 03:53 PM - last edited on 03-17-2015 07:52 PM by Maiko-I
Appropriate array topology?
Is the following an appropriate array topology:
one VA7410
one DS2405
array controller 1 jbod 2 connected to ds
array controller 2 jbod 1 connected to ds
thanks.
P.S. This thread ahs been moved from General to Disk array. - Hp Forum moderator
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04-03-2009 08:29 AM
04-03-2009 08:29 AM
Re: Appropriate array topology?
No - I don't think so.
You'd need to do:
Fibre channel card 1 connected to DS2405.
Fibre channel card 2 connected to VA7410.
Or vice-versa.
You can't chain fibre channel JBODs to a single controller like you can in a SCSI fashion.
And of course, you have no fibre card redundancy in play. If either the card or the JBOD I/F goes down - the disks disappear.
For full-blown redundancy you'd need 4 fibre channel adapters with 2 each going to each JBOD.
HTH,
Jeff
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04-03-2009 08:56 AM
04-03-2009 08:56 AM
Re: Appropriate array topology?
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04-03-2009 09:54 AM
04-03-2009 09:54 AM
Re: Appropriate array topology?
There are dual-port fibre channel cards out there.
In that case you could connect the VA to port A on the controller & the DS to port B on the same card. Perfectly acceptable.
And with just two of these cards you could get your redundancy. Just remember to hook the VA & DS to *both* cards. Don't hook both VA or DS I/Fs to both ports on the same card.
With these newer, smaller systems slot count must always be on your mind.
Rgds,
Jeff