jerrymc at clunix.cl.msu.edu
Fri Jun 10 23:16:44 GMT 2005
> You expect too much of my RAID controller. :) Ghost won't do it because:
> 1. There is only room for 3 drives in the system. RAID5 requires 3
> 2. Ghost deals in partitions. FreeBSD (usually) has one partition with
> many slices.
Small, but important quibble if you are doing FreeBSD stuff.
FreeBSd (usually) has one _slice_ with many _partitions_.
What MS tries to call a primary partition is a slice in FreeBSD - created
with fdisk. Then slices may be divided in to partitions which, after
being newfs-ed can be mounted as filesystems.
> 3. Doubt it has drivers for my RAID array. :)
> On Fri, 10 Jun 2005, Alex Zbyslaw wrote:
> > Tony Shadwick wrote:
> >> I have a system that we are running in production that there was an
> >> oversight on, and it has a single hard drive installed (32GB SCSI I
> >> believe), rather than a 3 drive raid5 array. We would like to correct
> >> this, but we have all sorts of up-to-date packages and config files that
> >> we've tweaked that we would hate to just start over on it.
> >> There's a tool for OSX called "Carbon Copy Cloner" that would take care of
> >> this for me, which is basically a series of copy commands that takes the
> >> filesystem from one drive to another, preserving EVERYTHING important, and
> >> then bless the boot volume.
> > If you want two more identical drives then use dump, not tar, but you'd have
> > to have them sliced/partitioned up the same beforehand and it wouldn't do
> > bootblocks.
> > Silly question, but won't your RAID controller do it for you? Or is that
> > expecting too much?
> > Or what about using Ghost? No experience of *doing* it myself, but someone I
> > work with did it very successfully just a couple days ago to get a copy of an
> > unbootable <hawk, spit> Linux SCSI disk onto an IDE. That would make the
> > disks identical.
> > --Alex
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