Re: ext4 64bit (disk >16TB) question

Goswin von Brederlow
2008-07-16T10:10:34Z

"Jose R. Santos" <jrs@us.ibm.com> writes:

> block boundary. Dont have large disk to test on so Im playing with
> device mapper to see how I can fake one. Our lab network is making
> thing difficult though.

Download

http://www.bullopensource.org/ext4/files/sparse_create

and for 32TiB use

dd if=/dev/zero of=/somewhere/SPACE bs=1 count=1 seek=100000000000
losetup /dev/loop0 /somewhere/SPACE
./sparse_create ext4dev /dev/loop0 68719476736

If you have a real block device to spare use that directly.

MfG
Goswin