HDD high I/O rate?
Hello everyone!
It seems every time I begin to use my computer for more than an hour my HDD light begins to blink and it just won't turn off (meaning the HDD never stops spinning if i'm right). I decided to investigate this a little more and wanted to see what is using it currently. I decided to fire up iotop (a piece of software that shows you what is using the hard drive with a top-like interface) and this is what shows up at the very top: Code:
TID PRIO USER DISK READ DISK WRITE SWAPIN IO> COMMAND Again, I don't know if this is why the HDD light just won't quit blinking on my computer, but it's my only guess, and I did Google this problem and I did not get any relative results. If it helps, I am running Debian Wheezy (stable). Thanks for anyone that helps! |
From my quick googling, jdb2 is the journaling daemon for the ext4 filesystem and there are numerous reports for exactly the problem you describe(just google "jdb2" to see what I mean). The reported problems span a large time period and several different distors, see eg:
http://forums.debian.net/viewtopic.php?f=7&t=103450 https://bbs.archlinux.org/viewtopic.php?id=113516 http://forums.fedoraforum.org/showthread.php?t=290945 I don't see any definitive solution but I suspect it may be kernel related. You may want to review some of the suggestions in those threads. |
....additionally whats missing here is the full kernel version, file system type, mount flags, `sysctl vm` values, a list of related configuration changes / customizations you made and output of `sysctl -w vm.block_dump=1; dmesg` (kill dmesg after a while, then zero the value).
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-rw-r----- 1 root adm 1030372 Mar 15 18:33 /var/log/kern.log |
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