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тАО08-31-2005 01:47 AM
тАО08-31-2005 01:47 AM
ESL 9595
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тАО08-31-2005 02:05 AM
тАО08-31-2005 02:05 AM
Re: ESL 9595
SAN Switches are zoned effectively?
Assuming we're dealing with a SAN, to connect a server with two HBA's to a tape library usually don't represent a problem, unless you miss some very important configuration rules.
From the backup software point of view such a configuration is OK, good for performance.
If you provide some more details I can be more accurate.
HTH
Claudio
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тАО08-31-2005 02:25 AM
тАО08-31-2005 02:25 AM
Re: ESL 9595
Yes we are speaking of SAN, two directors 12000 of the Brocade.
For example:
I would like to make:
I have a server with 2 HBA
HBA 1 go to make zoning for drive 1(ESL9595).
To another HBA 2 go to make zoning for drive 2.
I want to make this for in the case of a loss of HBA or port of switch to have redundancy.
Thank so much.
Claudio
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тАО08-31-2005 02:45 AM
тАО08-31-2005 02:45 AM
Re: ESL 9595
Answer is YES, you can do it. You are going to map some drives (most likely 6 out of 12) to HBA 1 and some other (most likely remaining 6 out of 12, or whatever) to HBA 2
What you will get in case of a FC path failure (HBA, cable, switch port or NSR) is that your server will see at least 6 drives out of 12.
A couple of suggestions:
-make sure you will use STATIC maps in your NSR's (indexed) and not auto assigned
-Zone your switches avoiding to mix Disk Arrays and tapes in the same zone. From the tape library point of view the best will be to create one zone (two zones in case of two HBA's) for each server including server's HBA and NSR switch ports only.
HTH
Claudio
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тАО08-31-2005 05:55 AM
тАО08-31-2005 05:55 AM
Re: ESL 9595
Do you know Open View Storage Node Manager?
Thank so much!
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тАО08-31-2005 07:48 AM
тАО08-31-2005 07:48 AM
Re: ESL 9595
even if you can split drives in two different SAN, this is not the solution for redundancy, in fact you will still have just a path for your robotic controller, and a library without robot cannot load tapes and is useless.
The solution is to go for a ELTA solution, with IM (Interface manager) and CommandViewTL plus Secure Manager.
This solution is adaptable to ESL9595.
Interface Manager will allow library partitioning, and this will allow you to create two virtual library, each indipendent and each with own robot.
In that case, loosing one path, you will lose one virtual library but not the second one.
Partitioning allow you to also create vitual library managed across diffents OS, and differents backup applications.
http://search.hp.com/query.html?col=a3x80+b3x80+c3x80+c3x8765+d3x80+d3x8765&charset=iso-8859-1&la=en&hpvc=sitewide&qs=&nh=10&lk=1&rf=0&uf=1&st=1&qt=library+partitioning
http://h18004.www1.hp.com/products/storageworks/tlarchitecture/index.html