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тАО04-04-2005 08:44 PM
тАО04-04-2005 08:44 PM
We have an msa500 + 4 dl380 servers. As far as I know in msa500 there are 2 scsi buses. So 2 dl380 shares an SCSI channel (they have smart array 642 installed). I suppose the ID of their controllers are 7 (by default).
How can I check what ID they use? If there is a collision, can I change one of the controller's ID to something else?
Krisztian
Solved! Go to Solution.
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тАО04-05-2005 02:18 AM
тАО04-05-2005 02:18 AM
SolutionThe main thing to do is to set up Selective Storage Presentation (SSP) using the Array Configuration utility (ACU). With this you will set specific access rights for each of the LUNs to the servers.
Look on pages 46 and 63 of this document for more information:
http://h200001.www2.hp.com/bc/docs/support/SupportManual/c00182750/c00182750.pdf
Thanks,
Doug
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тАО04-05-2005 06:42 PM
тАО04-05-2005 06:42 PM
Re: msa500 + 4 dl380g4
I plan to run 7 packages with one disk volume for each. Do I need to make 7 LUNs, or can I group them, using volumes?
Thanks!
Kriszti├Г
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тАО04-06-2005 01:47 AM
тАО04-06-2005 01:47 AM
Re: msa500 + 4 dl380g4
The best thing I can think of to do this is with a product called PolyServe. HP has a very close relationship with PolyServe, and it will do exactly what you want. Also, you do not want to set up traditional clustering - instead use PolyServe's clustering capabilities.
Here is some more information:
http://h71028.www7.hp.com/enterprise/cache/70995-0-0-225-121.html
http://h21007.www2.hp.com/dspp/mop/mop_PartnerDetails_IDX/1,2718,1489,00.html
http://www.polyserve.com/hp/index.php
Thanks,
Doug
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тАО04-06-2005 05:59 AM
тАО04-06-2005 05:59 AM
Re: msa500 + 4 dl380g4
Do I need SSP in this situation? Do I have to make virtual disks for each package or volume groups are just do the job?
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тАО04-07-2005 02:45 AM
тАО04-07-2005 02:45 AM
Re: msa500 + 4 dl380g4
http://www.docs.hp.com/en/B9903-90012/ch03s06.html#cjafcfjh
You still need to do SSP to make sure that all nodes can see all of the disks. With an MSA500, this is not a really big deal because you typically will not be sharing the MSA500 with servers outside of the cluster. SSP (and switch zoning) become much more important when you start using bigger storage boxes (like EVA) where you have many servers (clustered and standalone) sharing the same physical storage box. Then it is really important to make sure that SSP is set [properly.
Thanks,
Doug