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тАО03-02-2011 10:57 PM
тАО03-02-2011 10:57 PM
domain panic
We have a TRU64 system with "Digital UNIX V4.0F (Rev. 1229)"
We have came across a domain panic on one of the data domain in our system.
Mar 2 16:16:23 delta vmunix: AdvFS Domain Panic; Domain data_domain Id 0x3f3e069d.00092a23
Mar 2 16:16:23 delta vmunix: An AdvFS domain panic has occurred due to either a metadata write error or an internal inconsistency. This domain is being ren
dered inaccessible.
Mar 2 16:16:23 delta vmunix: Please refer to guidelines in AdvFS Guide to File System Administration regarding what steps to take to recover this domain.
All the disks are accessible via disklabel.
But can not mount the disks. Gets a I/O error.
Kindly suggest how I should try filesystem check on this?
Unfortunately no backup data exists for this domain.
Thanx,
admin
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тАО03-03-2011 12:35 AM
тАО03-03-2011 12:35 AM
Re: domain panic
delta# ./verify data_domain
verify: can't get set info for domain 'data_domain'
verify: error = E_VD_DMNATTR_DIFF (-1079)
+++ Domain verification +++
main: unable to get info for domain 'data_domain'
error: -1079, E_VD_DMNATTR_DIFF (-1079)
What does it mean?
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тАО03-03-2011 12:40 AM
тАО03-03-2011 12:40 AM
Re: domain panic
(-1079)
E_VD_DMNATTR_DIFF
Some of the disks listed in fdmns directory for the file domain do not
belong to the file domain. The fdmns directory entry for this file
domain is invalid.
We have recreated the symlinks inside domain as there was a scsi id change after we connected the external disk array to different scsi port in the same host.
Does that affect this behaviour?
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тАО03-04-2011 01:50 AM
тАО03-04-2011 01:50 AM
Re: domain panic
On the disk there is "metadata" present that describe to what domains the disk belongs (or previously was part of)
It may simply mean the new domain name does not match the old domain-name.
Or I think when recreating the links, you cross linked disks from different old domains into the new domain.
Instead of manually recreating the links you may try to "recover" te domains using advscan
man advscan "You can run the advscan command to automatically rebuild all or part of
your /etc/fdmns directory "
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тАО03-04-2011 01:55 AM
тАО03-04-2011 01:55 AM
Re: domain panic
But after that when we connect the disk array to different host, , the domain was coming inactive.
Hence tried mounting it and then could see our data finally.
Thanx for your help.