ASM on top of SLVM - HPUX - DW



Environment HPUX 11:31 Oracle 11.1.0.6 ASM HP Superdome XP Array Storage
Application  - Data warehouse ~15TB

We are being advised by 3rd party consultants to install HP SLVM (shared
volume manager) to present the disks to ASM and use ASM for disk
management.

The advantages are supposed to be

1) If we ever go to a clustered system/database then having SLVM will be an
essential building block in building Service Guard

2) It allows the Unix team to 'see' disk usage without using asmcmd


I see 1) as an irrelevancy as if we do go to SG (highly unlikely as there
is no business requirement) then we would use RAC as well and therefore
that would be time to re-design the application and disk layout anyway.

2) has some merit but I am worried about supportability from Oracle if we
have any disk issues.

Does anybody know of a similar setup or have any thoughts on the matter

Thanks

John



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