On Thu, 2011-02-03 at 16:28 +0530, Sanjay Arora wrote: > 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. man scanvg ----------------------- I think Terry meant 'man vgscan', but I have not connected the dots to be able to mount an lvm volume from a different machine either. Greg