[CentOS] ext3 filesystems larger than 8TB

[Joshua Baker-LePain]

On Fri, 2 May 2008 at 2:36pm, Monty Shinn wrote

> I am trying to create a 10TB (approx) ext3 filesystem.  I am able to 
> successfully create the partition using parted, but when I try to use 
> mkfs.ext3, I get an error stating there is an 8TB limit for ext3 filesystems.
>
> I looked at the specs for 5 on the "upstream" vendor's website, and they 
> indicate that there is a 16TB limit on ext3.
>
> Has anyone been able to create a ext3 filesystem larger than 8TB?

Yes.  'mke2fs -F' forces it to make the FS, even though it thinks it's too 
big.  "They" should have changed that when 16TB ext3 fs support moved from 
tech preview to production ready, but I think it got missed.  Maybe in 
5.2...

-- 
Joshua Baker-LePain
QB3 Shared Cluster Sysadmin
UCSF