[zfs-discuss] zfs-discuss Digest, Vol 43, Issue 3

Gordan Bobic gordan.bobic at gmail.com
Wed Nov 7 13:55:48 EST 2018


And I have first hand seen many instances where the disks outright lie
about their health in their SMART attributes. WD and Samsung were
particularly bad on this point.


On Wed, Nov 7, 2018 at 6:46 PM Gionatan Danti via zfs-discuss <
zfs-discuss at list.zfsonlinux.org> wrote:

> Il 07-11-2018 15:53 Bzzzz via zfs-discuss ha scritto:
> > So it is a mind-swindle as, yes, it'll ease heads movements because of
> > it's lower density, and no, it won't take very long before it turns
> > back to a regular HD. (not to mention that iPhones MEMS dislike
> > Helium;-p)
>
> Helium-filled HDD have a specific SMART attribute showing how much of
> the original helium is retained in the chassis.
> I saw numerous report of 2/3+ years old HDD with 100% helium reserve,
> showing no loss at all.
>
> On the other hand, these HDDs *must* be handled with care: any small
> dent in the chassis will rapidly let all helium to escape. I saw two
> HDDs DoA due to this very problem.
>
> Regards.
>
> --
> Danti Gionatan
> Supporto Tecnico
> Assyoma S.r.l. - www.assyoma.it
> email: g.danti at assyoma.it - info at assyoma.it
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