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Date:      Tue, 29 Nov 2022 13:20:13 -0800
From:      Maxim Sobolev <sobomax@freebsd.org>
To:        FreeBSD User <freebsd@walstatt-de.de>
Cc:        FreeBSD CURRENT <freebsd-current@freebsd.org>
Subject:   Re: CAM: extract HDD informations about failure/to fail?
Message-ID:  <CAH7qZfuJNgLfG8k43AgZgw7oGgY4X%2BMrry7dKfQvesvQKffjzA@mail.gmail.com>
In-Reply-To: <20221127161544.7dd1207c@thor.intern.walstatt.dynvpn.de>

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[-- Attachment #1 --]
Perhaps if you log r/w queue length for all 4 drives with a reasonable
interval (say 1 second) under the load using gstat(8) and plot all 4 as
function of time on the same graph you should have no problem to visually
identify the culprit(s). At least that's how I would do it.

-Maksym

On Sun, Nov 27, 2022, 7:15 AM FreeBSD User <freebsd@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 So all HDDs have been replaced by now with four times Seagte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?
> 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.
>
> Thanks in advance,
>
> oh
>
>
> --
> O. Hartmann
>
>

[-- Attachment #2 --]
<div dir="auto"><div style="font-size:12.8px" dir="auto">Perhaps if you log r/w queue length for all 4 drives with a reasonable interval (say 1 second) under the load using gstat(8) and plot all 4 as function of time on the same graph you should have no problem to visually identify the culprit(s). At least that&#39;s how I would do it.</div><div dir="auto" style="font-size:12.8px"><br></div><div dir="auto" style="font-size:12.8px">-Maksym</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Nov 27, 2022, 7:15 AM FreeBSD User &lt;<a href="mailto:freebsd@walstatt-de.de">freebsd@walstatt-de.de</a>&gt; wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello,<br>
<br>
well, the aim of my post sounds strange, but I&#39;m serious.<br>
Background: I run at home a 14-CURRENT based server with a ZFS volume (RAIDZ) comprised from<br>
4x 4 TB HDD. A couple of days I had to exchange the HGST NAS drives since one got a permanent<br>
SMART error. So all HDDs have been replaced by now with four times Seagte IronWolfe Pro 4TB<br>
drives. So far, so good.<br>
Now I face a weird sound sourcing at one of the new HDDs. The box is supposed to be a heavy<br>
duty poudriere build facility, so the drives are up 24/7. It seems that one (or even more)<br>
drives emitt a weird sound like the spindle motor is loosing for a fraction of a second power<br>
and spiining up the the drive again. Searching the net reveals that at least one Seagate<br>
customer did have the same issue and he provided an audio file of that very weird sound, to be<br>
found here:<br>
<br>
Post at reddit:<br>
 <a href="https://www.reddit.com/r/techsupport/comments/sca6al/seagate_ironwolf_pro_making_weird_noise/" rel="noreferrer noreferrer" target="_blank">https://www.reddit.com/r/techsupport/comments/sca6al/seagate_ironwolf_pro_making_weird_noise/</a><br>;
<br>
and herin the post of the audio file:<br>
<br>
 <a href="https://www.mediafire.com/file/x3le816qsakiff9/Hdd.mp4/file" rel="noreferrer noreferrer" target="_blank">https://www.mediafire.com/file/x3le816qsakiff9/Hdd.mp4/file</a><br>;
<br>
I checked S.M.A.R.T for any unusual data, but everything is fine. The values for <br>
<br>
Power_Cycle_Count<br>
Power-Off_Retract_Count<br>
Start_Stop_Count<br>
<br>
seem all within a reasonable range compared to the life time in hours (did some simple<br>
statistsics ), nothing looks unusual.<br>
<br>
Also, the advanced view onto each drive via <br>
<br>
smartctl -x<br>
<br>
doesn&#39;t give me any hint of a power failure as a source for the noise.<br>
<br>
So, big question here is: the drives are attached to a HBA, LSI3008 based SAS9300-8i. Is it<br>
possible to retrieve via CAM more health paramteres than those gathered by SMART/smartmontools<br>
and if the answer is yes, how can this be achieved?<br>
It close to impossible to isolate the drive making the noise. My guts tell me to RMA the<br>
supposed to be faulty drive and not to wait until it dies from &quot;spindle motor desease&quot; or<br>
something that is the source for the noises.<br>
<br>
Thanks in advance,<br>
<br>
oh<br>
<br>
<br>
-- <br>
O. Hartmann<br>
<br>
</blockquote></div>
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