Francois Caen <frcaen@xxxxxxxxx> wrote: > Wow! Odd! RH says 8TB but ext3 FAQ says 4TB. Any filesystem originally designed for 32-bit x86 is full of signed 32-bit structures. The 2^31 * 512 = 1.1TB (1TiB) limit comes from those structures using a 512 sector size. Ext3 has used a couple of different techniques to allow larger and larger support. Depending on the hardware, kernel (especially 2.4), etc..., there can be limits at 1, 2, 4, 8 and 16TiB. Which is why the "common denominator" is 1.1TB (1TiB). It was rather enfuriating in front of a client when I attempted to mount one Ext3 volume > >From my personal testing on CentOS 4.1, you can't go over > 4TB without kludging. > > > I then did a software RAIDO across them, and finally: > > > > mke2fs -b 4096 -j -m 0 -R stride=1024 -T largefile4 > /dev/md0 > > Joshua, thanks for the reply on this. > There's something kludgy about having to do softraid across > 2 > partitions before formatting. It adds a layer of complexity > and > reduces reliability. Is that the trick RH recommended to go > up to 8TB? > > -- > Francois Caen, RHCE, CCNA > SpiderMaker, LLC > _______________________________________________ > CentOS mailing list > CentOS@xxxxxxxxxx > http://lists.centos.org/mailman/listinfo/centos > > -- Bryan J. Smith | Sent from Yahoo Mail mailto:b.j.smith@xxxxxxxx | (please excuse any http://thebs413.blogspot.com/ | missing headers)