24 TB UFS2 reality check ?
Julian Elischer
julian at elischer.org
Tue Jul 8 21:44:42 UTC 2008
Juri Mianovich wrote:
>
>
> --- 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 ?
>
>
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it doesn't reserve it .. that's how much data it builds up
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