[Dirvish] Filesystems for big partitions

michaelr at catalyst.net.nz michaelr at catalyst.net.nz
Sat Oct 10 23:41:19 UTC 2015


On 2015-10-10 07:38, Paul Slootman wrote:
> You do realize the 16 TB limit in ext4 is per file? The max filesystem
> size is 1EB (exabyte, 1EB == 1024PB (petabyte, 1PB == 1024TB)).
> I believe that by using larger block sizes that 16TB file size limit 
> can
> be raised; the filesystem size shouldn't be an issue for most users the
> next couple of years :-)

To be more specific, the limit we hit on that cluster was due to the 
inability to expand the filesystem beyond 16 TB (a limitation in 
e{2,4}sprogs at the time, I think).  But yes, point noted ;)

Cheers,
Michael


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