From: manoj bhat (manojbhat1@yahoo.com)
Date: Thu Feb 06 2003 - 02:12:15 EST
Hello Managers,
We have two Alpha4100 servers on a Trucluster ver 1.6
environment with four RA3000 Raid boxes, out of which
two are base pedestal modules with HSZ22 controller
and remaining two are expansion modules. The operating
system running on these systems is Tru64 ver 4.0F. We
have done striping at Hardware level using SWCC and
for the same disks we have done mirroring at OS level
using LSM.
We have two 4.3gb disks which has striped in one of
the raid boxes (say R0) to form the 8gb logical
device. Similarly we have striped two 4.3gb
disks in the other raid box (say R1) to form another
8gb logical device. Now these two logical devices are
mirrored in LSM to give a single
logical device / volume of 8gb capacity. All the slots
in the Raid boxes are used and there is no free slot
available.
Requirement:
We are planning to replace the 4.3gb disks with 36gb
disks. Since the setup is highly critical, the
upgradation should take place online with no down
time.
Pls suggest the procedure for the upgradation.
Is there any limitation from system side or controller
side on the number of devices that can be addressed.
Pls let me know if additional information is required.
Thanx in advance
Manoj
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