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SubjectDoes VFS cache individual files? Is the linker involved?
Dear sirs,

Does VFS cache the content of a file?

Does VFS consult memory instead of disk, when accessing a file that is
already linked to a process that is running?

Operating system RedHat 7.1, kernel 2.4.3-12 (from RedHat RPM)
My webserver runs tripwire for integrity test of critical files.

One night, when the PHP runtime of apache had crashed, tripwire reported
checksum error of
The next night, when apache was restarted, there where no checksum
errors of the file.

I have seen checksum errors of /lib/, rpm also reported md5
checksum error when I
used rpm to verify the installation of glibc.

Thank you for your time reading this


Magnus Sundberg

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