Re: Shark to EMC
- From: Robert.Richards@xxxxxxx (Richards, Robert B.)
- Date: 30 Jan 2008 10:12:52 -0800
Tom,
I agree with all that you said. Jasbir has admitted that he is not
exactly sure that he has all the information required to even ask the
appropriate questions, let alone make a quality decision based on advice
from this list.
From his original questions, we have been making assumptions as to whathe is really asking. The reality is that Jasbir needs to elaborate a bit
more on what he is trying to accomplish.
Is he looking to mirror DASD?
Is he looking to switch DASD vendors?
Is he looking to mirror outside of his own datacenter to some remote
site?
Is this for DR or GDPS? Is the second site his or a BRS site?
The answers to these questions will generate a request for more
information in order to give a more qualified, much less an opinionated
answer.
What is the business issue he is trying to solve and what cost
limitations have been placed on determining the appropriate solution(s).
Either vendor can supply hardware, software and solutions to all of the
above, albeit for a price! :-)
Bob
---------------------------------------------------------
Robert B. Richards (Bob)
US Office of Personnel Management
1900 E Street NW Room: BH04L
Washington, D.C. 20415
Phone: (202) 606-1195
Email: robert.richards@xxxxxxx
---------------------------------------------------------
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@xxxxxxxxxxx] On
Behalf Of Tom Moulder
Sent: Wednesday, January 30, 2008 12:50 PM
To: IBM-MAIN@xxxxxxxxxxx
Subject: Re: Shark to EMC
I would think that the only way to mirror in a multi-vendor environment
would be XRC. The reason is because all the replication goes through
the
system mover and thus is at a higher level than the bare metal.
Having said that, I would also add that the reason it can be done is the
very reason you would want to seriously consider whether to do this.
Performance of this configuration will not compare to PPRC. This would
be a
decision based on function desired not performance required.
Everyone else has answered well what can be used to move the data from
one
place to another. The only thing I would add to that list is LDMF
should
you desire a change between disk models during the conversion. FDRPAS
and
TDMF will not move at the data set level to fully use larger model disks
with data sets from many smaller volumes. LDMF will do this without an
outage to the owning application. FDRMOVE is similar to LDMF in
function
not in the method of delivering the function and does require an outage
to
accomplish the move.
There are many products that have been mentioned, hopefully, I have
correctly described each one. They are all good products and deserve
your
analysis to determine if they will meet your needs. XRC is the only
method
I can imagine would handle mirroring as opposed to moving the data.
Tom Moulder
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@xxxxxxxxxxx] On
Behalf
Of Ted MacNEIL
Sent: Wednesday, January 30, 2008 11:31 AM
To: IBM-MAIN@xxxxxxxxxxx
Subject: Re: Shark to EMC
Does anyone know of any utilities/products that facilitate mirroring
from IBM's Shark to an EMC DASD.
Innovation's FDRPAS can be used to move data from one subsystem to
another while the volumes are hot. TDMF (not sure who's vending it
these days) does too.
The original post asked about mirroring.
Everybody, so far, responded about moving.
I don't know the answer, but there is a difference!
-
Too busy driving to stop for gas!
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