Another case of the vanishing disk

[cruxpot]

I can do that but it was disk 4 this time. Last time it was disk 3 and
before that it was it was something else. That is why I suspect the
controller or AHCI more than the disks since they all have the same error
accrual.

I could move the disks to the backup server and see if I get a drop and
check error rate there. That is an idea.
On Mar 21, 2014 8:23 PM, "Erich Dollansky" <erichsfreebsdlist at alogt.com>
wrote:

> Hi,
>
> I would test the disks in a different setup. Can you connect them to a
> different machine? Not in one go but disk by disk.
>
> Can you run the original machine just with one disk using UFS?
>
> As and example: I have here one disk from a broken machine which gives
> problems in my new machine. I do not think that the disk also got
> broken the moment the other machine died. So, I will keep the disk
> until I can use it in a different environment.
>
> With other words: strange things happen ones in a while.
>
> Erich
>
>
>
>  On Fri, 21 Mar 2014 20:03:43 -0500
> cruxpot <cruxpot at gmail.com> wrote:
>
> > Well, it happened again five days after the first time. Does anyone
> > think that turning on AHCI in the BIOS and the rc.conf options will
> > help? BIOS has the latest firmware. Otherwise I am going to start
> > replacing hardware. Not sure if I will replace the disks or
> > motherboard first since it's so old (circa 2008, A8R-MVP).
> >
> > On Sun, Mar 16, 2014 at 9:47 PM, cruxpot <cruxpot at gmail.com> wrote:
> > > According to my logs the first occurrence was on July 3rd of last
> > > year but that is also as far back as my logs go. I have four logged
> > > incidents since that time with the most recent on March 13th, which
> > > caused my zfs pool to become corrupt thus bringing it to my
> > > attention. I remember this server locking up before that, but I
> > > didn't do much investigation and just cold cycled it. I did not
> > > really look into it until December which is also when I replaced
> > > the PSU and it did not solve the problem. It is possible it has
> > > been doing this since the beginning but I am uncertain.
> > >
> > > On Mar 16, 2014 7:23 PM, "Erich Dollansky"
> > > <erichsfreebsdlist at alogt.com> wrote:
> > >>
> > >> Hi,
> > >>
> > >> On Sun, 16 Mar 2014 16:29:43 -0500
> > >> cruxpot <cruxpot at gmail.com> wrote:
> > >>
> > >> > I guess I did shoot myself in the foot on buying these drives,
> > >> > but they were $75/each at Best Buy on a sale about two years ago
> > >> > and I thought it was too good to pass up.
> > >> >
> > >> so, you have the problems since two years then?
> > >>
> > >> Erich
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