I am running many Gentoo systems and I ran into some problems which seems related to the filesystem.
In my case, I am running kernel 2.6.12 or 2.6.13 on machines I had problem with. I was never able to identify the source of my problem. All my filesystems are jfs, except /boot. I am also using LVM, except for /. The problem is as follow, it seems the filesystem get corrupted when activity is high on it. I had twice the following problem on two different machines, my /etc was entirely moved to lost+found and in one case I was not able to complete the recovering from lost+found, I hit a corrupted file and when trying to cat the file it hanged and I was no longer able to ls in the lost+found directory. Right now, I have a machine I just cannot shutdown. All the commands looking at files in /root and some other directories are hanging. Since I am not on-site, I cannot power off/power on and run fsck. And before doing this, I would like to know if there is something I can do to help identify the source of the problem. This server was having many fs very actives when I hit that problem. It is running squid, emerge http-replicator and it was running an emerge update. The disk subsystem is RAID 5. Anything I can do to determine the problem and troubleshoot my server? I must admit I am a little bit discouraged with jfs, this kind of problems are time consuming and I am about to decide to switch to another fs. TIA, Daniel
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