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SubjectRe: sard/iostat disk I/O statistics/accounting for 2.5.8-pre3
Zlatko Calusic wrote:

> All this gives Linux a much needed functionality - extensive
> measurements and reporting of disk device performance/bottlenecks.
> No server should be without it. See below for a real life story.
> The patch, iostat utility and man page can be found at
> <URL:>

This is very useful functionality. I'm currently looking at a similar
patch for the 2.4 series, taken from

which seems to work fine so far (with very limited testing). This patch
gives information that is really needed to maintain systems that
actually use their disks, such as mail, database and news servers.

May I vote for inclusion in the mainline kernel, both 2.4 and 2.5?
Again, it is an important part of server maintainability.

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