Endless Data Loss

Julien Cigar jcigar at ulb.ac.be
Sun Jul 26 21:03:08 UTC 2015

On Sat, Jul 25, 2015 at 06:30:38PM +0200, CeDeROM wrote:
> UFS2 SU+J has failed me several times as well. I also ocassionaly
> experienced root filesystem corruption that prevented valid boot. Even on a
> fresh install and new hardware I consider UFS2 SU+J unreliable.. I am not
> sure why this got into production :-(

Same here.. (on 10.1-RELEASE)

I turned off soft updates journaling on all my machines since the day
one of my file system (on a production machine) was corrupted.

> Performing forced fsck on a SU+J filesystem that was considered clean in J
> revealed inconsistency on fsck.
> Try to disable SU+J, maybe only J as mentioned in other reply. I will try
> that too.

I never got any problem with SU only, I think only the +J part is broken

> Try ZFS for good consistency. Or wait/force full fsck before system is up.
> Also, take a look at hard drive details - manufacturer and series (i.e. WD
> RED, BLACK, GREEN) - they can have totally different firmware with badblock
> correction that may cause troubles as well.
> Best regards :-)
> Tomek
> --
> CeDeROM, SQ7MHZ, http://www.tomek.cedro.info
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Julien Cigar
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