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Making OCR / VD Visible to BOTH DB Server (SUN) Nodes ... Basic Qs

VIVEK_SHARMA

2007-07-17


Folks

 

How are the Oracle Cluster Registry (OCR) & Voting Disk (VD) to be Made Concurrently VISIBLE / Shareable to BOTH Database (Solaris 10) Nodes?

Same is seemingly needed to initiate the CRS installation for subsequent 2 Node ASM RAC Setup.

 

Qs Is a Solaris Cluster Setup certainly needed on BOTH Nodes or can the same be achieved thru some commands?

Qs On HP-UX vgexport, vgimport commands would be used to export & import the respective raw devices from the 1st node to the 2nd.

 

NOTE – The Storage Box is connected to BOTH the Nodes thru a Switch.

NOTE – External Redundancy to be used for DB Setup.

 

Cheers & Thanks

 

Vivek

 

P.S.

 

Configuration:-

Solaris 10

Oracle 10gR2

 

 

Five RAW devices (2 OCR & 3 VD) 200MB each were created on /asmdata. Following commands used for creation of the same on the 1st Node:-

 

Step 1 - Command for creating the Raw Devices

 

dd if=/dev/zero of=/asmdata/voting/asm_vote1 bs=1k count=200000

O/P

200000+0 records in

200000+0 records out

 

Step 2 – Command for creating loop devices so that a character device can be associated with a file

 

lofiadm -a /asmdata/voting/asm_vote1

O/P: /dev/lofi/1

 

Step 3 - Command for creating the respective character file to access the file

mknod /asmdata/voting/vdiskvote1 c 147 1

 

 

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