Recently my Fedora running under level 3 begun freezing. It was running for about four months without any failures, but now it freezes almost every day, even twice a day. Sometimes it comes back itself, sometimes hard reboot is needed.
This is a remote server where I connect through ssh. When freezed, can't connect to ssh, can't open http and asterisk which is running on this system is not accepting calls.
I couldn't find anything interesting in log files, only this when this system is loading:
I am running Fedora 7 with kernel 2.6.21-1.3194.fc7
HDD: 250 GB (more than 90% free)
RAM: 1GB
CPU: Core 2 Duo 1.8GHz
I am just little familiar with unix system, so I need someone to help me to find out what is causing the system to freeze
Freezing almost every day doesn't sound like a software issue, but rather as hardware one. How many people have root access to the server, any changes been done recently, updates, patches ? Nothing suspicious in the dmesg ?
I had Asterisk running on this system with high priority. Recently changed priority to normal and no freeze so far.
I am only user with root access, no changes or updates were done recently before freezes. The only suspicios message is the message I've posted above.
I am also thinking of RAM or HDD problem. This is a remote system where I don't have physical access, besides it's a production system with more than 10 calls at any time during 24/7, so tests will be quite uncomfortable, but I am planning to do so after next failure.
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