Power HA 7 repository disk unmirrored?

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Operating Systems AIX Power HA 7 repository disk unmirrored?
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Old 09-27-2011
Power HA 7 repository disk unmirrored?

hi guys,

I don't like the new concept of the power ha 7 cluster with the repository disk and the internal solidb, I really would like to mirror this disk, but the "IBM PowerHA SystemMirror 7.1 for AIX" redbook says, normal lvm operations should not be performed on this disk.
even mirroring the vg wont use much, because the hdisk device is configured directly to power ha, and not the vg.

well the cluster will run without the repository, and a new one can be specified, but with a downtime I guess, but that's not what I want for my clusters. no changes to the cluster can be made without it, even such as start/stop I guess.

everything is mirrored, a downtime of a whole storage side was no problem till now.
any thoughts on this? has anyone experienced the behaviour of a cluster in this situation?
of course I will test this on my own too, but I have no test system yet

cheers funksen
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IPRINIT(8)						      System Manager's Manual							IPRINIT(8)

iprinit - IBM Power RAID adapter/device initialization utility SYNOPSIS
iprinit iprinit --debug --daemon --use-polling --use-uevents DESCRIPTION
iprinit is used to setup IBM Power RAID adapters and devices for optimal performance. It will enable U320 scsi speeds if it is determined the disk enclosure supports it. It will also enable tagged command queuing. Any scsi bus attributes, such as bus width, or disk attributes, such as queue depth, that have been setup by iprconfig will be loaded as well. It is desired that this be called in the boot process, using the init.d script provided. OPTIONS
--version Print the version number of iprinit --debug Enable additional error logging. Enabling this will result in additional errors logging to /var/log/messages. --daemon Run as a daemon to handle adapters and devices being hotplugged. --use-polling Do not use netlink/uevent notification, but rather poll for adapter and device configuration changes. --use-uevents Use netlink/uevent notification rather than polling for adapter and device configuration changes. If not specified, polling will be used until the first uevent notification appears, then netlink will be used. AUTHOR
Brian King (brking@us.ibm.com) February 2005 IPRINIT(8)