My Fedora server has problems to access external raid storage (StorCase IFS U320/SATA-R) when there's written data to it (via rdiff-backup). After a hour or so, it simply stops responding and always states the storage is in use (can't unmount it either). If there's no data written for some days, the storage respond fine.
The only work-around which I can find is to reboot the server (so I can access the data again). However, when writing data again, it'll stop responding again.
The first few months we used this machine everything was working fine.
Does anyone know what this could be caused by? Or how could I get more information about the issue? (logs seem fine..)
Thanks advance.
Edit
Extra information that might be of use. These details are when the machine can't access the storage.
- OS: Redhat Fedora 15
- CPU load averages: 0.73 (1 min) 0.74 (5 mins) 0.78 (15 mins)
- CPU usage: 5% user, 2% kernel, 27% IO, 66% idle
- Kernel and CPU: Linux 2.6.41.4-1.fc15.i686.PAE on i686
- Processor information: Intel(R) Xeon(TM) CPU 2.40GHz, 4 cores
