> On Sun, Nov 27, 2022 at 8:15 AM FreeBSD User <free...@walstatt-de.de> wrote:
>
> > Hello,
> >
> > well, the aim of my post sounds strange, but I'm serious.
> > Background: I run at home a 14-CURRENT based server with a ZFS volume
> > (RAIDZ) comprised from
> > 4x 4 TB HDD. A couple of days I had to exchange the HGST NAS drives since
> > one got a permanent
> > SMART error. So all HDDs have been replaced by now with four times Seagte
> > IronWolfe Pro 4TB
> > drives. So far, so good.
> > Now I face a weird sound sourcing at one of the new HDDs. The box is
> > supposed to be a heavy
> > duty poudriere build facility, so the drives are up 24/7. It seems that
> > one (or even more)
> > drives emitt a weird sound like the spindle motor is loosing for a
> > fraction of a second power
> > and spiining up the the drive again. Searching the net reveals that at
> > least one Seagate
> > customer did have the same issue and he provided an audio file of that
> > very weird sound, to be
> > found here:
> >
> > Post at reddit:
> >
> > https://www.reddit.com/r/techsupport/comments/sca6al/seagate_ironwolf_pro_making_weird_noise/
> >
> > and herin the post of the audio file:
> >
> > https://www.mediafire.com/file/x3le816qsakiff9/Hdd.mp4/file
> >
> > I checked S.M.A.R.T for any unusual data, but everything is fine. The
> > values for
> >
> > Power_Cycle_Count
> > Power-Off_Retract_Count
> > Start_Stop_Count
> >
> > seem all within a reasonable range compared to the life time in hours (did
> > some simple
> > statistsics ), nothing looks unusual.
> >
> > Also, the advanced view onto each drive via
> >
> > smartctl -x
> >
> > doesn't give me any hint of a power failure as a source for the noise.
> >
> > So, big question here is: the drives are attached to a HBA, LSI3008 based
> > SAS9300-8i. Is it
> > possible to retrieve via CAM more health paramteres than those gathered by
> > SMART/smartmontools
> > and if the answer is yes, how can this be achieved?
> >
>
> >From SATA drives? No. smartctl with enough flags retrieves everything
> available. Seagate is mainstream enough that there's unlikely to be other
> data.... at least that Seagate documents.
>
>
> > It close to impossible to isolate the drive making the noise. My guts tell
> > me to RMA the
> > supposed to be faulty drive and not to wait until it dies from "spindle
> > motor desease" or
> > something that is the source for the noises.
> >
>
> The only way you can do this is to just apply power to the drives one at a
> time, which in most setups requires pulling cables.
>
> Warner
What about using camcontrol standby, that should spin the drive down.
It probably takes a camcontrol reset to spin it back up.
camcontrol standby ada0
camcontrol reset ada0
--
Rod Grimes rgri...@freebsd.org
