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Hello,
I want to rebuilt our cluster environment again using the newest version
of GFS (6) , and
I asked a Technical solution
provider about that giving him the HardWare i have which is
:
---------------------------------
( HP ML370 G3 ) ( 2 servers ) using an external
storage which is
( HP/Compaq
MSA500 , SCSI ) and the kind of RHEL OS that wil be
run the clusters
on is ( ES V3 update 2)
---------------------------
then he answered me the following
:
--------------------------------
In your case you will need Three (3) GFS entitlements, One(1) for
each
Node which makes it two and One (1) for the lock server, in other words you will also need a third server. ------------------------------------------------ and after asking why ---> he
answered the following :
------------------------------------------------------------------------------
The hardware you
are to use ( HP ML370 G3) is only supported by
RHEL
V4, and not by RHEL V3 - The external storage HP/Compaq MSA500, SCSI is certified. - The lock sever is a system that will be managing access to the shared data, all "writes" to the shared device are controlled by it to avoid file system inconsistency. Since there will be many systems accessing the same physical device, there is a need for coordination to avoid overwriting some blocks, hence the need for a lock server. ------------------------------------------------------------------------------
that was the
questions and the answers .
**** and now i just wanted
to know IF THIS IS TRUE ?????????
**** and can i use only one
version insted of three for the 2 nodes and the LOCK Server ?
**** and can i use a software
like MC service guard with RedHat as used with the UNIX
and HP-UX systems ?
**** any respond please to take
the right decision cause i am in a hurry.
Regards ------------------------------------------------- Yazan
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