--------------------<snip>----------------------
I have tasked with evaluating what it would take to partition an
existing 2105-F20 Shark to create an open system SAN. The shark is 2TB
with 8 36GB eightpacks, 4 long-wave FICON adapters and 16GB of cache. At
the moment the storage is configured exclusively for use by mainframe
systems. The reconfiguration I am looking at would see the Shark divided
roughly half and half for mainframe and open systems.
I have a number of questions:
1) I presume most of the work here is in reconfiguring the clusters to
dedicate some storage to the open systems side. Can anyone share there
experiences in doing this?
---------------------<unsnip>-----------------------
We were blessed with a CE that did this in less time than it took to
explain it. But we only did two drawers.
---------------------------<snip>---------------------
2) I presume I will need some sort of SAN controller to attach to the
shark via FICON (fiber channel). Does this connection have to be short
wave or long wave?
--------------------------<unsnip>--------------------
We used SCSI connections; the geography in our computer room was
amenable to this. We had extra ESCON adapters that we replaced with the
SCSI adapters.
--------------------------<snip>------------------------
3) Is the cache either partitionable or shareable?
-------------------------<unsnip>---------------------
IIRC, neither.
-------------------------------<snip>-----------------------
4) Any hints, tips or suggestions would be appreciated.
-------------------------<unsnip>--------------------------
We ultimately went to dedicated storage servers and reverted the Shark
to all mainframe storage.
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