[CentOS] USB key installed OS; file system goes read-only randomly...

Mon May 10 09:35:23 UTC 2010
Tsuyoshi Nagata <nagata3333333 at jp.fujitsu.com>

(2010/05/07 11:49), Jason Pyeron wrote:
> <snip/>
> EXT3-fs error (device dm-0): ext3_free_blocks_sb: bit already cleared for block
> 506003

Some bit errors occurred on your usb stick!

>Memory: 445780k/457600k available (2154k kernel code, 11276k reserved, 899k
data, 232k init, 0k highmem)
>Adding 917496k swap on /dev/VolGroup00/LogVol01.  Priority:-1 extents:1

you have swap file on ssd, and small memory.
If you know ssd writing algorithm, swap write is losing your usb-stick life.

 Buy new memory stick and more memory!
 and See the following know how running Linux on SSD.
(see noswap, no /tmp, no /var/log, noatime topics)
http://tombuntu.com/index.php/2008/09/04/four-tweaks-for-using-linux-with-solid-state-drives/
more Linux on SSD know how on web.

-Tsuyoshi