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тАО11-03-2003 01:14 PM
тАО11-03-2003 01:14 PM
any dba's out there ?
morning all
I'm having a little trouble shutting down a database following a failed disk. The server is dev so data isn't mirrored. Disk is an fc in fc10 array
I tried to shutdown the package which failed miserably and timed out
I have tried as oracle with
sqlplus /nolog
shutdown immediate
This failed also
shutdown abort
Just hangs
The disk is showing NO_HW
Whats the best thing I can do ?
Thanks in advance
Steve
I'm having a little trouble shutting down a database following a failed disk. The server is dev so data isn't mirrored. Disk is an fc in fc10 array
I tried to shutdown the package which failed miserably and timed out
I have tried as oracle with
sqlplus /nolog
shutdown immediate
This failed also
shutdown abort
Just hangs
The disk is showing NO_HW
Whats the best thing I can do ?
Thanks in advance
Steve
take your time and think things through
3 REPLIES 3
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тАО11-03-2003 01:44 PM
тАО11-03-2003 01:44 PM
Re: any dba's out there ?
Like any disk failure, the application is likely going to hang until the I/O completes. The data may or may not be valid. There's really nothing you can do to gracefully shutdown the database as it is trying to post memory resident data and tghe disk is dead. kill -9 or reboot the server. Either way, your data is going to need a lot of repair.
Bill Hassell, sysadmin
Bill Hassell, sysadmin
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тАО11-03-2003 01:50 PM
тАО11-03-2003 01:50 PM
Re: any dba's out there ?
Hi Bill, thanks for the reply
Thought so, I have an engineer on the way with a new disk.
I have arranged tapes from the last full backup, will get the disk swapped, recreate the file system then the data recovered.
Will then let our dba's sort out the recovery of the database
Thanks again
Steve
Thought so, I have an engineer on the way with a new disk.
I have arranged tapes from the last full backup, will get the disk swapped, recreate the file system then the data recovered.
Will then let our dba's sort out the recovery of the database
Thanks again
Steve
take your time and think things through
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тАО11-03-2003 05:56 PM
тАО11-03-2003 05:56 PM
Re: any dba's out there ?
Do bring down the database you'll need to do shutdown abort.
Since that has failed there is another kind of shutdown abort.
fuser -cuk /filesystem_of_the_database
That will shut it down. It will want to recover.
Procedure for quickly getting back on line.
vgreduce -f /dev/vg##
It will blow the bad disk out of the volume group and give you a procedure right after completion for putting the vg back together.
I think its:
mv /etc/lvmtab /etc/lvmtab.old
vgscan -av
Then once the disk is in:
#I always forget whether you pvcreate on block or character device.
pvcreate -f /dev/rdsk/c#t#d#
vgextend /dev/vg## /dev/dsk/c#t#d#
You should be able to do extendfs on the fileystem to get it back on that disk.
SEP
Since that has failed there is another kind of shutdown abort.
fuser -cuk /filesystem_of_the_database
That will shut it down. It will want to recover.
Procedure for quickly getting back on line.
vgreduce -f /dev/vg##
It will blow the bad disk out of the volume group and give you a procedure right after completion for putting the vg back together.
I think its:
mv /etc/lvmtab /etc/lvmtab.old
vgscan -av
Then once the disk is in:
#I always forget whether you pvcreate on block or character device.
pvcreate -f /dev/rdsk/c#t#d#
vgextend /dev/vg## /dev/dsk/c#t#d#
You should be able to do extendfs on the fileystem to get it back on that disk.
SEP
Steven E Protter
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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