Advice needed with file system corruption

[Roger Willcocks]

On Mon, 2016-08-08 at 16:11 +0200, Emmanuel Florac wrote:
> Le Thu, 14 Jul 2016 13:27:22 +0100
> Steve Brooks <sjb14 at st-andrews.ac.uk> écrivait:
> 
> > We have a RAID system with file system issues as follows,
> > 
> > 50 TB in RAID 6 hosted on an Adaptec 71605 controller using
> > WD4000FYYZ drives.
> > 
> > Centos 6.7  2.6.32-642.el6.x86_64   :   xfsprogs-3.1.1-16.el6
> > 
> > While rebuilding a replaced disk, with the file system online and in 
> > use, the system logs showed multiple entries of;
> > 
> > XFS (sde): Corruption detected. Unmount and run xfs_repair.
> > 
> 
> Late to the game, I just wanted to remark that I've unfortunately
> verified many times that write activity during rebuilds on Adaptec RAID
> controllers often creates corruption. I've reported that to Adaptec,
> but they don't seem to care much...
> 

It rather depends on why the disk was replaced in the first place...

--
Roger