[CentOS] xfsaild causing load, and stuck in D state - Centos 6.4 x64

Fri Apr 12 11:05:47 UTC 2013
James Pearson <james-p at moving-picture.com>

Svavar Örn Eysteinsson wrote:
> PowerEdge 2850 with PERC SCSI RAID controller.
> 16GB RAM
> Dual Intel(R) Xeon(TM) CPU 3.00GHz
> Using megaraid driver and xfs on 3x 300GB SCSI disks as /dev/sdb (total 572GB)  (RAID-5)
> 
> Stock Centos 6.4 x64, everything updated.
> Kernel : 2.6.32-358.2.1.el6.x86_64 #1 SMP
> 
> My Load always shows :
> 
> top - 10:30:21 up 23:09,  1 users,  load average: 0.99, 0.96, 0.79
> 
> yet there is no services what-so-ever doing anything.
> 
> Using PowerTOP I can see that xfsaild is causing second most wake-ups (after kernel core : hrtimer_start (tick_sched_timer) )

Have a look at the thread starting at:

<http://lists.centos.org/pipermail/centos/2013-March/132931.html>

There is a fix in the latest centosplus kernel

James Pearson