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тАО09-17-2002 08:46 AM
тАО09-17-2002 08:46 AM
I have rebboted this morning and noticed one of my filesystems did not mount "/imgData". I can see it under the file systems section in sam, but not under Logical Volumes, nor under Volume Groups.
If I try and mount "mount /dev/vg_xp_imgData/lv_xp_imgData /imgData" by hand I recieve an error "No such device or address". Although the file exists and the entry is in fstab for it.
I was going to try and create another volume group and noticed that these devices were listed as currently not being used.
How can I recreate my drive knowing which devices I need without destroying 1 terabyte of data?
I still have the file /etc/lvmconf/vg_xp_imgData.conf
Is it possible to use this file to fix this issues?
Solved! Go to Solution.
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тАО09-17-2002 08:49 AM
тАО09-17-2002 08:49 AM
Re: lvm issues
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тАО09-17-2002 08:53 AM
тАО09-17-2002 08:53 AM
SolutionSuspect the filesystem may be dirty. But there's ways to tell.
You have to activate the VG before you can mount
vgchange -a y /dev/vg_xp_imgData
Then try to mount. If it complains it's dirty the do
fsck -o full /dev/vg_xp_imgData/rlv_xp_imgData
Note: the required use of the "raw" LV.
You should also check your /etc/rc.log file It should contain an entry if the system couldn't mount the FS because it was dirty.
Rgds,
Jeff
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тАО09-17-2002 08:53 AM
тАО09-17-2002 08:53 AM
Re: lvm issues
run an ioscan and then check the status of all reported disks... any missing or not claimed...
what is the operating system and hardware in question?
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тАО09-17-2002 08:59 AM
тАО09-17-2002 08:59 AM
Re: lvm issues
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тАО09-17-2002 09:04 AM
тАО09-17-2002 09:04 AM
Re: lvm issues
You may follow the following steps :
1) vgdisplay -v vg_xp_imgData
To verify if your volume group shows the entry for the logical volume.
2) lvdisplay -v /dev/vg_xp_imgData/lv_xp_imgData
Note the disk on which the filesystem is installed.
3) Do a pvdisplay for that disk
pvdisplay -v /dev/dsk/c0t0d0
4) If you find errors on these steps then run a unmount step, even though it is not officially mounted.
5) Do a fsck on the filesystem with -o option and use the raw logical volume name
6) FSCK should fix any errors with it or it will give you a message if not fixed or what the issue is.
7) If you have an additional disk you may do a pvmove of the data from one disk to another
pvmove /dev/dsk/c0t0d0(old) /dev/dsk/c1t0d0(new)
If you are still facing issues let us know.
Regards,
Anil (Don't forget to assign points if the answers are valuable to you)
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тАО09-17-2002 09:10 AM
тАО09-17-2002 09:10 AM
Re: lvm issues
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тАО09-17-2002 09:11 AM
тАО09-17-2002 09:11 AM
Re: lvm issues
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тАО09-17-2002 09:14 AM
тАО09-17-2002 09:14 AM