I bought a less expensive IDE-disk (25GB) installed it on my linux box
as hbd1 and mounted it. All works fine.
Then I tried to let other machines (not running linux) participate
in that storage space and nfs-exported the directory hbd1 is mounted on.
Now the problem starts. Every time a nfs-client does a ls (or other IO)
to or on that exported directory the heads of the system/boot-disc
(lvd-scsi) start rattling in a manner never heard before.
The noise is really terrible and the system becomes nearly unuseable
because of the heavy IO-traffic.
There seems to be no caching. If I do repeated ls from the nfs-client,
the noisy and resource hungry IO action is also repeated.
What is causing such a heavy IO on the system disk and what can I do
to overcome. ?
The problem does not appear if I export a directory from the system disc,
one that is not mounted.
I run linux-2.3.38 smp. The other machines are hp's (hpux-10.20) and
did not show that same behavior with mounted discs nfs-exported.
I compiled linux-2.2.14 and it behaves the same way.
Any help welcome.
klaus
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