Disk performance problem

regisr

Bit poster
Hello

I am running Windows 7 and Parallels Desktop 9.
Since few week the disks access are very slow, too slow!
I checked some parameters:
now VM RAM is 3GB (total 8GB), disk C: not full, task manager show no process with CPU or RAM usage too high (not swapping).
The problem is with the C: disk and Mac side disk.
The VM is on an external disk directly connected on FireWire.
Disks are not compressed, I tried with coherence activated or not...

What can I check now? It is too slow to be usable: I launch the explorer and I can make a coffee, drink and come back!
I don't have this trouble with my Linux nor my FreeBSD VMs.

Happy New Year
Regis
 
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