Thanks guys...will try these! On Fri, Feb 4, 2011 at 1:08 AM, James A. Peltier <jpeltier at sfu.ca> wrote: > also, if the disk is multi-disk, which is the case here, you can look into /etc/lvm/backup for LVM meta data information. > > ----- Original Message ----- > | Hello all > | > | I have two sets of eIDE hard drives from earlier servers, one centos & > | one fedora. Both were LVM volumes with three or four physical disks, > | with ext3 fs. One disk, maybe even the boot one may even be missing, > | either from one or both sets and we do not know the disk order. I got > | these left from an earlier sysadmin who left the company & nobody know > | what's what. > | > | I need to recover data so I need to backup each of the disks to a disk > | image file first, then find block-size/recover lvm metadata on the > | volume, mount the volume to my current server and recover whatever > | files can be recovered manually. > | > | My question is: > | > | - what switches to be used with dd in creating the image, so that I > | retain the lvm disk data, for future recovery, if I mess up the > | recovery job? Can you please give the actual command assuming disk is > | connected at /dev/sdb? > | > | - How do I find the blocksize used by the disk & how do I get the > | meta-data and mount the disk to current lvm fs. > | > | Request please give me step by step process. I am finding the howtos & > | examples on the net very daunting as most of them have co-issues of > | raid etc. Mine is a plain lvm spanning multiple disks. > | > | I don't have expertise of this level & suddenly my boss is expecting > | me to perform a miracle. > | > | Please help. > | > | With best regards. > | Sanjay. > | _______________________________________________ > | CentOS mailing list > | CentOS at centos.org > | http://lists.centos.org/mailman/listinfo/centos > > -- > James A. Peltier > IT Services - Research Computing Group > Simon Fraser University - Burnaby Campus > Phone : 778-782-6573 > Fax : 778-782-3045 > E-Mail : jpeltier at sfu.ca > Website : http://www.sfu.ca/itservices > http://blogs.sfu.ca/people/jpeltier > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >