On Wed, 2006-07-19 at 16:01 +0300, Gilboa Davara wrote: > On Wed, 2006-07-19 at 13:49 +0100, T. Horsnell wrote: > > I'm trying to find the maximum size of an ext3 filesystem > > and the maximum size of a file within that system. > > > > linux-2.6.17/Documentation/filesystems/ext2.txt says: > > > > Filesystem block size: 1kB 2kB 4kB 8kB > > > > File size limit: 16GB 256GB 2048GB 2048GB > > Filesystem size limit: 2047GB 8192GB 16384GB 32768GB > > > > There is a 2.4 kernel limit of 2048GB for a single block device, so no > > filesystem larger than that can be created at this time. There is also > > an upper limit on the block size imposed by the page size of the kernel, > > so 8kB blocks are only allowed on Alpha systems (and other architectures > > which support larger pages). > > > > Does anyone know if the '2.4 kernel limit of 2048GB' has been raised > > in the 2.6 kernels? Has anyone successfully built an ext2/3 > 2TeraBytes? > > If so, what kernel are you using and what did you use to label the > > device? fdisk/sfdisk/parted/... > > > > Cheers, > > Terry > > AFAIR 2.6 file size limit is 2TB. > Work is being done (ext4) to raise this limit. > > Gilboa > >From the Ext3 FAQ : "In 2.6 the maximum (32-bit CPU) limit is of block devices is 16TB, but ext3 supports only up to 4TB." Further information here http://lwn.net/Articles/187321/ reveals "It imposes a per-file maximum size of about 4 TB"
