[OpenIndiana-discuss] read/write hard drive parameters

[Tony Brian Albers]

On Wed, 2021-05-12 at 06:43 +0100, Michelle wrote:
> I'm having awful luck with WD 8Tb red drives.
> 
> Mirror configuration, ZFS is failing the drives on sustained writes.
> RAIDZ seems to be more forgiving.
> 
> I've sent one drive back and have two more under RMA, but so far my
> crude testing seems to indicate that this is a configuration issue
> generic to the model, rather than an out and out faulty drive.
> 
> Someone else said (not on here) has said they had to tweek the write
> timeouts on the drives to stop them erroring.
> 
> So the trick is... how do I address the drive parameters under
> OpenIndiana please? Does anyone have a link to a how-to please?
> 
> Michelle.
> 
> 
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> openindiana-discuss at openindiana.org
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Seems like this danish carpenter(!) knows what the issue is:
https://ronn-bundgaard.dk/blog/freenas-zfs-does-not-like-the-new-wd-red-smr-drives/

This might be of some value:
https://unix.stackexchange.com/questions/447318/how-to-force-omnios-illumos-format-properly-recognize-disk-geometry

And here are mentioned some mitigation techniques:
https://www.truenas.com/community/threads/update-wd-red-smr-drive-compatibility-with-zfs.88413/

HTH

/tony  (who is also danish, and a combat engineer/sapper)

-- 
Tony Albers - Systems Architect - IT Development Royal Danish Library,
Victor Albecks Vej 1, 8000 Aarhus C, Denmark
Tel: +45 2566 2383 - CVR/SE: 2898 8842 - EAN: 5798000792142