[CentOS] How can binaries be different when package versions are identical? (mkfs.ext3 on CentOS 5.4)

[Peter Kjellstrom]

On Wednesday 30 June 2010, Spiro Harvey wrote:
> Aleksey Tsalolikhin <atsaloli.tech at gmail.com> wrote:
> > (a) account for the difference in the binaries, and
> > (b) see if something else is different that I can make the same to get
> > the mkfs.ext3 time down to 15 sec on both systems.
> > Solving (a) should shed light on (b).  Any ideas?
>
> Look into prelinking (man prelink). A prelinker from /etc/cron.daily
> that changes the binaries with an aim to speed up execution.

While prelinking would give you different checksums for the same binary on 
different servers it would not show up in "rpm -V" as reported. This since 
rpms checksumming is prelink-aware.

/Peter
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