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тАО06-21-2004 10:54 AM
тАО06-21-2004 10:54 AM
How to rename the hostid in a LSM controlled disk
I had a diskgroup created by other host but I need to connect the whole disk group to other host. but when the system stary up it refust to use the disks " disk is unusable" also form the voldisk list output it is claim the status is "online alias" . If I use "vold -k -x noautoconfig" then "voldg -fC import diskgroup" then it work but every time I restart the system I need to do the same thing again. I guess if I can change the hostin in the disk it may fix this problem.
Thanks in adance.
Joseph
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тАО06-21-2004 07:57 PM
тАО06-21-2004 07:57 PM
Re: How to rename the hostid in a LSM controlled disk
├В┬╖ ALL devices in a given LSM must be cloned at the same time
o It is NOT supported to clone individual/selected LSM volumes for a
given LSM disk group
├В┬╖ volsave(8) must be run as part of every clone process
├В┬╖ Before running volrestore(8) on the target system the up-to-date information generated by volsave(8) must be copied from the source host to the target host
├В┬╖ Once the cloning and volsrestore(8) operation has been finished on the target host ALL filesystems must be verified using either
o verify(8) for AdvFS filesystems
o fsck(8) for UFS file
Supported only with 5.1A
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тАО06-22-2004 01:19 PM
тАО06-22-2004 01:19 PM
Re: How to rename the hostid in a LSM controlled disk
Is any other way to force this change?
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тАО06-22-2004 06:55 PM
тАО06-22-2004 06:55 PM
Re: How to rename the hostid in a LSM controlled disk
One of the possibilities is that the importing system already had a dskXX, and that this same diskname is present in the diskgroup to be imported.
If the hostid is the problem....Once you forced the import with voldg -fC, deport the group again an use "voldg deport -h newhostid".
Johan.
_JB_
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тАО06-23-2004 04:01 AM
тАО06-23-2004 04:01 AM
Re: How to rename the hostid in a LSM controlled disk
The correct procedure to use Business Copies is actually through the "volclonedg" command (which uses volsave and volrestore under the hood).
If voldisk lists the disks as "alias", then that means that the WWID recorded in the disk meta data does not match the WWID of the LUN. volclonedg would take care of that situation, but you have to wonder how that happened in the first place.
Note that sys_check also does a "volsave". So if you ran sys_check recently, you may be able to revive the LSM configuration using that volsave information (possibly retrieved from a backup).