Re: [Fwd: Problem with file => 2GB]

[Andreas Dilger]

"Fabio Pietrosanti (naif)" wrote:
> > i'm currently involved in the analisys of a compromised linux box.
> > It was a IBM xSeries server.
> >
> > I transfer the partition of the server using cat /dev/partition| nc
> > host_of_dump_storage 8889, then i check the checksum using md5sum and
> > all it's ok.
> >
> > There are 2 partition dump of 8GB .
> > So i have to mount another 30GB hd, i installed Linux Kernel 2.4.2 with
> > the 30gb on reiserfs .
> > I recompiled all fileutils, util-linux and bin-utils with kernel 2.4.2
> > and the define for => 2GB file support .
> >
> > Ok, now i could download the partition, i could ls, more, strings the
> > partition, but i need to use it as loop device!!
> >
> > When i mount the partition as loop device the mount command HANG on read()
> > function... it seems that loop device under linux didn't work against => 2gb
> > files ?

There is a bug in 2.4.2 with the loop device, which is fixed in -ac series.
Also, I don't think it is possible to use > 2GB for loop (or at least that
used to be the case).

Cheers, Andreas
-- 
Andreas Dilger  \ "If a man ate a pound of pasta and a pound of antipasto,
                 \  would they cancel out, leaving him still hungry?"
http://www-mddsp.enel.ucalgary.ca/People/adilger/               -- Dogbert