Re: [suse-oracle] Raw Partitions - Device Name Persistence on SUSI

Oh - and next post I promise to spell SUSE correctly.  Like I said, I'm
just a poor DBA....

Scott




                                                                           
             Scott                                                         
             Uhrick/GCR-NAmeri                                             
             ca/GRN                                                     To 
                                       [email protected]        
             07/20/2010 02:36                                           cc 
             PM                                                            
                                                                   Subject 
                                       Raw Partitions - Device Name        
                                       Persistence on SUSI                 
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           



Folks,

We have been struggling with our Oracle RAC / SUSI Linux configuration for
months.  I am a DBA with limited SysAdmin experience.  I have however
worked with raw partitions for many years in other positions and never ran
into these issues.

We are installing Oracle 11g RAC Standard Edition on top of SUSI 10.  We
are using raw partitions and Oracle Clusterware.  Early on we hit the
problem of our device names changing when changes were made to the
underlying storage (EMC Clarion).  We have been able to protect our
database data partitions with ASMLib but of course ASMLib can't be used on
the Clusterware partitions (voting disks and OCR).  We haven't found a good
solution yet.  Oracle Clusterware doesn't support Logical Volume Managers
and Novell told my Sysadmin that SUSI doesn't support using udev to provide
device name persistence.

What does everyone out there use to provide device name persistence on
SUSI?  Surely everyone deploying RAC on SUSI doesn't have to deal with
device names changing everytime the underlying storage changes.
Reinstalling Clusterware each time isn't a good long-term strategy.  :)

Many Thanks,

Scott Uhrick
Gen Re DB Support
203 328-5338 (work)


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