Error during bulk removal of files

[Mark Tinguely]

On 05/13/13 11:15, Subranshu Patel wrote:
>> What 2.6.32 kernel? Output of uname -a?
>
>   uname -a
> Linux machine1 2.6.32-279.el6.x86_64 #1 SMP Wed Jun 13 18:24:36 EDT
> 2012 x86_64 x86_64 x86_64 GNU/Linux
>
>   # cat /etc/issue
> Red Hat Enterprise Linux Server release 6.3 (Santiago)
>
> I am using mdtest program to delete 7 million files (of 1KB size).
> Total 128 concurrent mdtest process are there. Each process removes
> approx 54000 files ( 7 million / 128).
> mdtest runs for a while, after that, it gets blocked and does not do
> anything. However the machine is still responsive.
>

Is the delay log enabled? If so have you tried the command with it disabled?

Are you willing to take a crash of the hang? Or want to look at the 
entries on the AIL?

--Mark.