RE: Further adventures in the world of RAC - Part 1

  • From: "Kevin Closson" <kevinc@xxxxxxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Thu, 5 Apr 2007 08:03:19 -0700


Did you run the clusterverify (cluvfy) sucessfully?
Did you create the partitions for ASM disks and set the ownerships
correclty.
Were you able to read the asm disks from all the nodes.? (simple dd)
What is the EXACT error message from asm alert log?

...this is the sort of stuff that I just don't get. Better yet, why
people are willing to mess with all that. RAC installs go just fine as
long as you have the platform set up correctly, yes, but there are too
many moving parts regarding storage with this hobbled bits of raw for
CRS, ext3/ocfs2 for Oracle Software and raw chunks for ASM. RAC
installs, and better yet continuing operations/maintanence are so much
simpler with a unified storage presentation. Pick one the supports all
the file needs for Oracle ranging from Oracle Home/APPL_TOP, CRS,
Database, and all the unstructured data (e.g., imp/exp/loader/arch
logs/scripts,external tabs, UTL_FILE,BFILE,etc) and go with it. For
instance, a genuine, stable CFS or NFS.

...It turns out that the most religiously and universally correct is NFS
and it works quite nicely. Oracle uses it exclusively at Oracle On
Demand. Oracle over NFS is not a fleeting idea either. There are futures
that make it even better such as built-in MPIO (not bonding where you
get HA or load balancing) and full support for windows. 

...we are supposed to be chasing simplicity, aren't we? 


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