[Linux-cluster] Re: GFS limits: fs size, etc.
Ed L Cashin
ecashin at coraid.com
Mon Sep 13 15:46:55 UTC 2004
Ken Preslan <kpreslan at redhat.com> writes:
> For Linux 2.6 on a 32-bit platform, the max filesystem size is 16TB if
> you trust the sign bit, 8TB if you don't. This limit comes from the
> 32-bit page index in the "struct page": 2^32 * 4096 bytes/page = 16TB.
> For Linux 2.6 on a 64-bit platform, the max filesystem size is *big*.
> Something around 2^64 bytes.
I think I'm going to get an AMD64 machine and try a 20TB GFS fs.
If anybody's aready doing this, I'd like to hear about it, esp. any
Ed L Cashin <ecashin at coraid.com>
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