[CentOS] Urgent: filesystem corruption on 2.6.18-128.1.6.el5

RedShift redshift at pandora.be
Tue Apr 14 20:20:10 UTC 2009


Gordon Messmer wrote:
> Gordon Messmer wrote:
>> I opened bug 494927 with Red Hat after seeing this kernel error on two 
>> different hosts, just a few days after updating or installing CentOS 5.3:
>> https://bugzilla.redhat.com/show_bug.cgi?id=494927
> 
> In an attempt to confirm this bug, I set up a system under KVM and 
> started three loops to generate filesystem activity.  I ran bonnie++ as 
> two different users in separate directories under /var/tmp, and an 
> additional loop copying /usr to a directory under /var/tmp and then 
> removing it.  The /var filesystem became corrupt relatively quickly.
> 
> I'm now nearly certain that there is a severe filesystem corruption bug 
> in 2.6.18-128.1.6.el5.  Please, if you are running this kernel, reboot 
> your systems into single user mode and check your filesystems with "fsck 
> -f".  Your filesystems may appear clean despite corruption.  My test 
> system exhibited this behavior.  Even though the corruption should have 

Just to be clear, this corruption appears on the HOST, not inside the KVM virtual machine?

Glenn



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