[CentOS] umount problem

[John R Pierce]

On 10/7/2014 3:29 PM, Fred Smith wrote:
> here's the result of your PS command, but I personally do not find it
> to be the least bit enlightening. perhaps you will...:
>
> # ps -fwp 26358
> UID        PID  PPID  C STIME TTY          TIME CMD
> root     26358     2  0 Oct04 ?        00:01:14 [jbd2/sdd1-8]

processes in [] are system processes or kernel threads, I believe. not 
sure what the significance of jbd2 is.... hmm, google suggests its the 
journaling block device, used for journaled versions of extfs (ext3, ext4) ?
http://en.wikipedia.org/wiki/Journaling_block_device


-- 
john r pierce                                      37N 122W
somewhere on the middle of the left coast