[smartmontools-support] smartd settings per disk type

[Orsiris de Jong]

Hello Christian,

Thank you for your answer.
Guess I'll have to apply profiles based on disk detections first then.

Maybe having different settings per disk type could be a nice feature some day.

Anyway, thanks again ;) 

Orsiris de Jong
http://www.netpower.fr
Tél: 06 75 40 48 41


-----Message initial-----
> De: Christian Franke <Christian.Franke at t-online.de>
> Envoyé: dimanche 30 juin 2019 21:08
> À: Orsiris de Jong <ozy at netpower.fr>
> Cc: smartmontools-support at listi.jpberlin.de
> Sujet: Re: [smartmontools-support] smartd settings per disk type
> 
> Orsiris de Jong wrote:
> > Hello,
> >
> > Is there a way to set different settings in smartd.conf, depending on the
> disk type (nvme, ssd, spinning) ?
> 
> Sorry, no.
> 
> > ...
> >> I would like to be able to create different smartd configuration profiles
> >> depending on the disk type (ie: spinning disks, ssd, nvme & removable is
> the
> >> most common usecase).
> >> So far, from what I've understood from smartd.conf(5) manual page, I can
> use
> >> the follwing to specify different settings depending on disks:
> >>
> >> DEVICESCAN -d nvme [various settings for nvme disks]
> >> DEVICESCAN -d removable [various settins for usb / other removable disks]
> 
> This does not work, because the 2nd DEVICESCAN has no effect:
>  From smartd.conf(5):
> "If a non-comment entry in the configuration file is the text string 
> DEVICESCAN in capital letters, then smartd will ignore any remaining 
> lines in the configuration file, and will scan for devices."
> 
> 
> >> ...
> >> # spinning disks
> >> /dev/sda [various settings for spinning disks]
> >> /dev/sdb [various settings for spinning disks]
> >> # ssd disks
> >> /dev/sdd [various settings for ssd disks]
> >> # nvme disks
> >> DEVICESCAN -d nvme [various settings for nvme disks]
> >>
> >> This solution isn't the best because it's not dynamic, ie once the smartd.conf
> >> file is written, it will stay that way until the pseudo code above is executed
> >> again, evzn if the disk labels change.
> >>
> >> Is there any better solution I may use ?
> 
> I guess no.
> 
> >> Also, I've read that the -d removable option is experimental. With which
> version
> >> was it implemented so I don't break things with elder smartmontools releases
> >> ?
> 
> -d removable itself is not experimental, but this new feature 
> (smartd.conf(5)):
> "[NEW EXPERIMENTAL SMARTD FEATURE] A device name is also ignored if 
> another device with same identify information (vendor, model, firmware 
> version, serial number, WWN) already exists."
> 
> Regards,
> Christian
> 
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