LVM - can both CKD and FBA reside in same volume group?

Hi all,

I'm new to this, so my terminology may be incorrect.

We are primarily z/OS but have recently delved in to SuSE (SLES9)
running as a guest under z/VM 5.1.
Up until now we've used ECKD but will be installing a DS8100 formatted
as FBA (SCSI over FCP). Cloning guests is painless and quick on CKD,
but am told cloning FCP-attached SCSI Linux systems is more
complicated. Currently our "master image" resides on 2 3390-9s , and
except for /boot, is defined in one volume group. This relatively
small system can then be propogated with each Linux instance needed.
It takes about 30-45 minutes to create a new Linux image.

Once a Linux image is built, if additional space is needed we're hoping
we can simply add the larger SCSI disk to the volume group. I am
having a hard time finding information on mixing disk architecutre in
an LVM. Since the CKD is emulating FBA, does LVM even care that it is
CKD as opposed to FBA?

Is anyone out there doing this?


Thanks in advance for any help.

Susan

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