Deployment of Oracle 11g RAC Release 2 with IBM midsize V7000

At and deployment 11g rac with IBM midsize V7000 san with aix 6.1
Is this possible using Oracle CRS without going to the OS like GPFS cluster

lbn76 wrote:
At and deployment 11g rac with IBM midsize V7000 san with aix 6.1
Is this possible using Oracle CRS without going to the OS like GPFS cluster

Oracle Grid these days use ASM starts for vote and register files storage. So no need for a cooked cluster file system that must be mounted by all nodes. No need either directly with a gross storage logical unit number.

ASM uses the LUN of the matrix of storage/SAN directly (as devices of rough blocks).

Generally however, there are several I/O paths to that LUN on the SAN - in which case there is more than 1 device level o/s for this LUN. Multipath driver s/w addresses this and creates a logical (and redundant) device that sits at the top of several devices of i/o path to the level of the o/s.

You configure ASM to use devices of paths multiples (as devices of rough blocks) - and applying exterrnal, normal or high redundancy necessary when creating starts on these logical multipath devices.

The grid s/w and RAC database instances can then use ASM starts as cluster storage.

This makes storage much easier layer management - and also provide a number of useful features too.

This is also the approach recommended by Oracle Corp. for RAC - use ASM under the layer of management of storage between storage LUNS in the table and one side and CARS on the other.

Tags: Database

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