Deployment of Oracle 11g RAC Release 2 with IBM midsize V7000
At and deployment 11g rac with IBM midsize V7000 san with aix 6.1Is 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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Hello!
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While I run the test of the recovery plan, I got an error:
Prepare for Test storage: information about the recoverable error reported during execution of the SRA: failed to create a snapshot of lun.
Some information about my infrastructure:
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Use this guide to set up RS: http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP101765
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Beautiful work of connection between the SRM, Array Manager on SiteA servers configured successfully, Array Manager Configuration SiteB completed with WARNING: cannot display the data store groups. Replicated devices could not be matched with warehouses of data in the inventory, the inventory on SiteA configured successfully mapping, inventory Mapping on unconfigured SiteB, stimulus package on SiteB created successfully.
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Logfile of attachment of the SRM.
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Hello
I have no experience with IBM Storage, but replicated LUN must not be mapped to the ESX host on the recovering site (site B). SRM should do the mapping when you perform a failover (or create and map the snapshots when test).
Check again your configuration of the SRA. I think you missed something.
Michael.
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-----------
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HelloI would like to know how to install Oracle 11 g RAC by using the virtual machine.
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