[ale] Suse 9.3 and fiber storage

[Greg Freemyer]

For figuring out what you have:

You're getting too complex for what seems a simple job.

FC volumes are scsi normally, so /dev/sdb, etc is likely the drives.

Just like a physical drive, a FC volume can be used in whole or partitioned.

To get the full unpartitioned volume size, look in /sys/block/sdb/...
 (You can also just call df.)

You should be able to get partition info from /proc/partitions

You should see all of your mount points the traditional way.  ie. Look
in /etc/fstab and/or run mount.

The key thing is FC drives fit into the normal scheme at the level you
are talking about.

You will have a little more fun setting up the new environment and
mounting the volumes.

Also, you can't tell how the raid setup is done from the basic linux
side.  (There may be management software that tells you, but that will
be a separate thing.  Likely the storage guys have that info and you
don't.  Trouble is they need to know more detail than just /dev/sdb
nomenclature to know which volume you are talking about on their end.)

Greg




On Fri, Apr 15, 2011 at 4:51 PM, Damon L. Chesser <damon at damtek.com> wrote:
> I have a bunch of Suse 9.3 servers with various apps that need to be
> migrated to RHEL 5 or 6.
>
> I have back end SANs attached via QLogic hbas.
>
> How do I verify how the attached storage is mounted (ie, this mount is
> remote via the hba).
>
> There is no /etc/mulitpath.conf
>
> What I am looking for is a way I can get info and make a "map" that I
> can duplicate on the new OS.  The new storage will be entirely new
> partitions/luns on completely different LUNs, but the "structure" might
> need to be the same, ie: /somemount is 17G /somemount2 is 15G etc.
>
> /dev/disk/by-* has by-id and by-uuid and by-path.
>
> I know this is both rather simple and broad, but I have zero fiber/HBA
> experience and it would appear I don't know the proper search terms to
> google.
>
> If it matters the back end is (old) is a Hitachi and I don't know the
> front end.  I will not be tasked with slicing up the LUNs, but reporting
> what sizes I need them to be, then mounting the partitions with the
> proper mount points on the new OS.
> --
> Damon
> damon at damtek.com
>
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-- 
Greg Freemyer
Head of EDD Tape Extraction and Processing team
Litigation Triage Solutions Specialist
http://www.linkedin.com/in/gregfreemyer
CNN/TruTV Aired Forensic Imaging Demo -
   http://insession.blogs.cnn.com/2010/03/23/how-computer-evidence-gets-retrieved/

The Norcross Group
The Intersection of Evidence & Technology
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