sun cluster with 3510

From: Joel Langlois (jlanglo@globetrotter.net)
Date: Wed Nov 16 2005 - 16:35:23 EST


  Hi all!

  I installed a cluster with: two v440, dual hba on each server, one
3510 with two RAID ctrl, solaris9, sun cluster 3.1, traffic manager.
Common setup i think.

  I use SVM to create diskset with the LUN of the 3510 in it! Now i
create a ufs over this device (for oracle stuff), let say
/dev/global/rdsk/d1s0 (this is the did device corresponding to the
hardware LUN). I put an entry in vfstab with the /dev/global namespace
to mount this ufs.
vfstab: /dev/global/dsk/d1s0 /dev/global/rdsk/d1s0 /dboracle9 ufs
2 yes global

 When i reboot the cluster, the device group does not come online??? I
have two take the ownership manually of the metaset to bring the device
group online (metaeset -s dgora -t).

  My second attempt was to create a metadevice over the did device in
the metaset. So metainit -s dgora 1 1 d200 /dev/global/rdsk/d19s0. After
i use this d200 in the vfstab and everyting work correctly.
vfstab: /dev/md/dgora/dsk/d200 /dev/md/dgora/rdsk/d200 /dboracle9
ufs 2 yes global

My question is why i have to create a metadevice if i have a raid
hardware (3510). Did i miss something?

Thanks for help.

-- 
Joel Langlois
Analyste, Administration des  systhmes 
Telus Quibec
joel.langlois@telusquebec.com
tel.:(418) 722-5655
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