Re: dumping entire ide laptop disk

Thank you but some

of the fs are not Unix filesystems but MS DOS and NTFS
does dump work with non-unix fs'es?

if i want to dump ALL the partitions into 1 file per
disk, without mounting each disk? is this possible?

as it is now, i am NOT mounting the disk, and i have
tried listing the partitions in many ways, /dev/ad3s1,
/dev/ad3s1a, /dev/rad3s1e etc ..
what would be correct syntax? if this is not?
thanx
--- richard childers <[email protected]> wrote:
> Peter Gatsoulis writes:
> 
> "i remove the drives and mount them in a desktop by
> using a 2.5"-3.5" IDE adapter, the desktop boots
> fine
> and reckognizes the new drive as ad3
> 
> "i now try;
> dump 0f - /dev/ad3 |bzip2
> -c>/somemountpoint/somefile
> 
> "i get, "bad sblock magic number" and entire dump
> aborts."
> 
> I would try to mount the filesystem and run 'fsck
> -p' on it first before
> I would dump it. This would insure that you had the
> correct device name,
> if you were able to fsck or mount the filesystem.
> 
> That having been said, note that the first example
> you cite refers to a
> "/", IE, dump(8) infers the device name from the
> mount point. If it is
> not mounted, you need to supply the correct device
> explicitly, and
> "/dev/ad3" is insufficient.
> 
> In the past when I have had to recover trashed UNIX
> boxes where the
> /etc/fstab has been lost or mangled, I have found it
> useful to do
> something like:
> 
> # /bin/csh
> # foreach dev ( `ls /dev/*sd*` )
> ?    echo "${dev}"
> ?    echo ""
> ?    fsck -n ${dev}
> ?    echo ""
> end
> 
> ... and in this way, one can quickly identify which
> /dev entries
> correspond to file systems (and perhaps even learn
> where they were last
> mounted :-).
> 
> Hope this helps.
> 
> 
> -- richard
> 
> c/o Peter Gatsoulis wrote:
> 
> > hello & pls Help .?
> >
> > In the past w/ help from this list's members the
> > following has worked GREAT:
> > (using FBSD 4.5 but works w/ all FBSD versions)
> >
> > dump -0 -f - /|bzip2 -c>/mnt/where-ever/foo.dump
> >
> > used this continuosly to backup filesystems, but
> NOW i
> > have some laptop drives w/ mixed fs, ie: 1st
> partition
> > can be MS DOS, 2nd partition can be NTFS, 3rd
> > partition can be ufs w/ softupdates.
> >
> > i remove the drives and mount them in a desktop by
> > using a 2.5"-3.5" IDE adapter, the desktop boots
> fine
> > and reckognizes the new drive as ad3
> >
> > i now try;
> > dump 0f - /dev/ad3 |bzip2
> -c>/somemountpoint/somefile
> >
> > i get, "bad sblock magic number" and entire dump
> > aborts.
> >
> > reading the FBSD handbook, dump manpage and
> searching
> > the archives leads me to believe that dump can
> indeed
> > backup entire disks, irrespective of which fs is
> on
> > disk???
> >
> > i've tried specifying ad3s1, ad3s1a, rad3s1e etc,
> many
> > variations of specifying device name BUT same
> > results..
> >
> > how can i use dump to "snap" the entire disk
> image?
> > don't want to use dd in case i have to restore to
> > another diffrent laptop & drive ...
> >
> > __________________________________________________
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> 
> --
> 
> Richard A Childers/KG6HAC -- Senor UNIX System &
> Network Administrator
> "Dont forget nothing." Maj Rogers, standing orders,
> 1st Ranger Bn, 1759
> 
> 
> 
> To Unsubscribe: send mail to [email protected]
> with "unsubscribe freebsd-mobile" in the body of the message

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