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unable to locate disk address in /etc/lvmtab....

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Subject: unable to locate disk address in /etc/lvmtab....

John Joaquin

Dec 21, 2005 18:38:27 GMT

Guys,

Badly need your help guys, i have this issue in /etc/lvmtab. We have EMC Symmetrix storage on our system. The case is one of the volume in one of our server experience a disk error ( BCV disk ) so i have to re-map a reserve disk to take the place of the defective disk. This defective this happens to be a BCV disk which we usually use for full DB synchronization for us to create a DB replica. So i re-mapped a new disk then proceeded with the disk sync but upon activating the VG using the new set of disks i keep on encountering this error "unable to locate address /dev/rdsk/c0t4d5 in /etc/lvmtab". Does anyone can help me with this.

FYI! I have done the same procedure twice in remapping the BCV disk but i'd never encounter such error as this....

thank's & kind regards,

John

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Sivakumar TS Expert in this area

This member has accumulated 2500 or more points

Dec 21, 2005 22:36:10 GMT Unassigned

Dear John,

Do you find the disk /dev/rdsk/c0t4d5 in ioscan in CLAIMED state and could you try #diskinfo to this disk ?

And which lvol is part of this disk and is that getting mounted ?

RAC

This member has accumulated 20000 or more points

Dec 21, 2005 22:43:09 GMT Unassigned

Was this disk part of any vg?? If yes when you replaed it did you restore vg config on new disk??

Indrajit

This member has accumulated 250 or more points

Jan 27, 2006 16:51:43 GMT Unassigned

Hi;

Plz get the output of following commands.

#diskinfo /dev/rdsk/c0t4d5

#cat /etc/lvmpvg |grep /dev/dsk/c0t4d5

#vgdisplay -v |more

find , the disk belongs to which vg

???
let me know..

Cheers
indrajit

Devender Khatana Expert in this area

This member has accumulated 7500 or more points

Jan 28, 2006 04:07:00 GMT Unassigned

Hi,

Normally the device file for BCV disk is different. Still the problem could be due to corrupted /etc/lvmtab.

You could even back up /etc/lvmtab by coping to some other name and then could recreate it by

#vgscan -a v

The disk seems to be fine as the error reported is the entry for that disk in /etc/lvmtab not error accessing the disk or similar.

HTH,
Devender

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