Sharing FibreChannel RAID disks across clusters

From: aru.arunasalam@us.abb.com
Date: Tue Jun 11 2002 - 20:58:59 EDT


Hello Managers,

We have a Compaq EMA16000 RAID array with HSG80s connected to a number of
Tru*64 clusters via a FibreChannel. One of the Clusters (C1) has a RAID5 based
Cluster File System - primarily used for a Oracle RAC database. Because we are
short of disk space on another cluster (C2) for a different Oracle RAC, we
want to share some of the disk space. That is we want to use the available
disk space on the C1 file system for cluster C2. Is it possible to mount the
same RAID5 volume on the C2 cluster as well? If not, do you have any other
suggestions as to how we might share this RAID 5 volume between 2 clusters for
Oracle. data. As you may have guessed, we are not in a position to add more
disks to this RAID array.

Thanks much in advance,

Aru Arunasalam
Manager,
Market Infrastructure Systems,
ABB - Santa Clara.



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