ADSM-L

Re: LAN FREE Backup

2006-03-08 05:15:05
Subject: Re: LAN FREE Backup
From: David McClelland <David.McClelland AT REUTERS DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Wed, 8 Mar 2006 09:58:11 +0000
Rubie,

>>> I have 3 clients to put on LAN FREE backup, but 2 of them cannot
have more than 2 HBA's, what route should I go?

I personally am not so keen on them, but you could consider dual-headed
HBAs with two ports per card (e.g. Emulex LP1000DC -
http://www.emulex.com/products/fc/10000dc/ds.html). You'll be able to
run both disk and tape from a single card as long as you've zoned the
individual ports appropriately.

Rgds,

David McClelland
Storage and Systems Management Specialist
Shared Infrastructure Development
Reuters Ltd

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Rubie Lim
Sent: 07 March 2006 21:09
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] LAN FREE Backup

 
Thanks. I have 3 clients to put on LAN FREE backup, but 2 of them cannot
have more than 2 HBA's, what route should I go? And these 2 HBA's is
needed for disk for redundancy.

Rubie
-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Nast, Jeff P.
Sent: Tuesday, March 07, 2006 10:24 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] LAN FREE Backup

Yes, you need to zone tape drives to the machine running Storage
Manager.
Multiple tape drives can use the same HBA.

Tape and Disk cannot coincide on the same HBA. You need a separate
adapters for disk and tape. This stems from the days of S360 (and
earlier?) where there were seperate channels for streaming channels
(tape) and block channels (disk). Guess this dates me...

-Jeff "old timer" Nast





-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]On Behalf Of
Rubie Lim
Sent: Tuesday, March 07, 2006 10:01
To: ADSM-L AT VM.MARIST DOT EDU
Subject: LAN FREE Backup


I am trying to implement a LAN FREE backup, and my question on the
Storage Agent/Client, do I need to create a zone from one of my HBA to
the Fiber Channel Tape drives? And if I can share the HBA with disk and
tape?

Any help is greatly appreciated.

Thanks,
Rubie


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