24 TB UFS2 reality check ?

Tue Jul 8 21:17:58 UTC 2008

--- On Tue, 7/8/08, Bakul Shah <bakul at bitblocks.com> wrote:

> I vaguely recall it was more like 700MB of memory per
> Terabyte on a 50% filled UFS2.  Things may have improved
> in the three years since I did that.  I don't recall
> the time
> to fsck but it was pretty bad!  That was the main reason I
> switched from UFS2.

Why does fsck need to reserve all that memory in advance and hold it the entire fsck ?  Is it necessary by definition, or could it be written to not require that ?