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Some help-me-outs

I'm sure that there are going to be a number of questions regarding the setup -- hopefully; or we will need to field a number of questions on how to uninstall the HA Cluster software. Here are my thoughts based on a good number of deliveries:

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1. You need a clean separate partition mounted as /globaldevices -- not a link, not a zpool, but a standard vfstab mount. If need be, grab some swap and create it.
2. You need clean quiet interconnects if you use a VLAN. Run snoops and get port discovery and all those partial bits turned off or the cluster will consider it a faulty connection.
3. Not a bad idea to plumb up the interconnects and run simple telnets across machines. Don't forget to take them down for the install.
4. Make sure that your `format` command sees the same storage across the nodes, use prtvtoc or some other command to make sure that you can touch them.
   • You can run `devfsadm -v` realtime to discover disks
   • Use `cfgadm -al` to see the connnection and configuration status of devices
   • Use `luxadm probe` followed by `luxadm display [some raw device path]S2` to make sure that the HBA sees down the wire.
5. Once installed make sure you are writing your reservations to shared disks:
   • /usr/cluster/lib/sc/scsi -c inkeys -d /dev/did/rdsk/[some did number]s2, or
   • /usr/cluster/lib/sc/pgre -d pgre_inkeys -d /dev/did/rdsk/[some did number]s2

As you can see your greatest efforts will be in acquiring the storage. ( Jun 29 2007, 01:51:15 PM CDT ) Permalink