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Connect SAN LUN to Server

Linux-RAC-AdminAug 8 2008 — edited Aug 11 2008
I am very new to linux (coming from HP-UX) and am tasked with setting up a linux/oracle/rac environment. I have installed OEL 5.1 on three HP DL360 servers. I am pretty much 'running blindly' and am looking for a source of information to help me keep going.

We have a cx3-40c Clariion and am connected to it through dual HBA ports. I am using Navishpere agent and PowerPath. The server sees the Clariion SP's (LUNZ), in the /proc/scsi/scsi file.
The storage admin has presented a 100gb lun to the server. It is here I have run into several obstacles.

I want to use lvm to create one volume group of this 100gb lun, create 2 logical volumes (10gb and 90gb) and put an ext3 filesystem on them. I have worked several paths, the lvm gui and command line. I was able to create the vg and lv's but the mke2fs failed with a superblock warning.

I think my issue may be at the beginning...so I want to start from scratch and a freshly presented lun. The storage admin has 'un-presented' the lun. So at this point PowerPath shows no logical devices, fdisk -l shows only my internal system drives...but /proc/partitions is still showing the sd* devices. I did a partprobe but no change. And the confusion begins....

Any, configuration documents or checklists out there?

Thanks.
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Locked on Sep 8 2008
Added on Aug 8 2008
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