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Hi Thanks for replying Mike. I would like to get this to work without the volumes being mounted. I'm looking to make an exact duplicate, simaler to how ghosting works (or as i understand it to work anyway). Idealy i want to make a bootable linux floppy, and have it duplicate arrays reguardless of OS and filesystem on the array. So i'm not sure if this is even possible. Any thoughts? Thanks, --Brad On Thu, Dec 07, 2000 at 03:52:54AM -0500, Michael Bilow wrote: > As a mounted volume? Why not just use tar? > > tar -cpf - -c /vol1 . | tar -xpf - -c /vol2 > > I'm not contending that this exact syntax will work -- I just dashed it > off now without testing it -- but it should illustrate the concept. > > You cannot really use dd to copy an exact disk array because most > filesystems (including second extended) precomute the locations of the > spare superblocks based upon the logical media size. If you use dd, then > you will mess this up and things like ext2fs can fail, even if you do > manage to get a mountable volume. > > -- Mike > > > On 2000-12-06 at 16:22 -0500, Brad Noyes wrote: > > > Hi Guys, > > I'm trying to find a way to duplicate a RAID 5 array. I'm using the compaq 3200 smart array controller. I can setup 2 arrays on the machine, and i'm > > looking to copy one to the other, to duplicate the array. Has anyone tried this, or know one way or another if this is possible, or have any > > suggestions on doing this (i was thinking dd)? > > > > Thanks, > > --Brad - Subcription/unsubscription/info requests: send e-mail with "subscribe", "unsubscribe", or "info" on the first line of the message body to discuss-request at blu.org (Subject line is ignored).
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