[smartmontools-support] scheduled self tests

serando serando at sunrise.ch
Tue Jul 21 17:50:21 CEST 2020

Sorry for the delay.
Thank you very much for this helpful answer.

Yes, I use the debian based distribution: "MX Linux". So it's B). And
yes, I also found the file "/var/lib/smartmontools/smartd.*"

Quote: "~B), but the test will be performed after second device polling. "
I do not understand "*second device polling*". I only let monitor the
device sda. I do not let monitor a *second device* (HDD).     (?) (Maybe
you can tell it in German?)

It looks like smartd is started automatically when I start Linux,
because I find it in Htop. But I do not know with which parameters
smartd starts. How can I find this out or even change it?

Thank you.

Am 19.07.20 um 11:57 schrieb Christian Franke:
> serando wrote:
>> I want to use smartmontools on a PC and not on a server, that runs
>> all day.
>> My PC does not run all day at the same time. It's very different. So
>> when a test is scheduled to run daily at 2:00 P.M., it can be, that my
>> PC is off at that time, but maybe I turn on my PC at 4:00 P.M on that
>> day. Nevertheless I want that the test is performed on this day.
>> When I use the command ...
>> /dev/sda -a -d sat -o on -S on -s (S/../.././09) -m root -M exec
>> /usr/share/smartmontools/smartd-runner
>> ... then the short self-test will run daily at 9:00 A.M.
>> Question:
>> What happens, when the PC is off at 9:00 A.M.
>> But when I turn it on at 12:00 A.M.?
>> A) The test will not be performed on that day.
>> B) The test will be performed as soon as the PC is turned on.
> If state persistence is not enabled: A)
> If state persistence is enabled: ~B), but the test will be performed
> after second device polling. With default check interval, this will be
> ~30 minutes after boot.
> The smartd-runner script suggests that you are using Debian or Ubuntu.
> Then state persistence is enabled by default
> (/var/lib/smartmontools/smartd.*). See '-s' command line option in
> 'smartd -h' output or 'man smartd'.
>> I have not found the answer of this question in "man". Did I miss it?
> $ man smartd.conf
> ...
> If the scheduled tests are used in conjunction with state persistence
> ('-s' option), smartd will also try to match the hours since last
> shutdown (or 90 days at most). If any test would have been started
> during downtime, the longest ... of these tests is run after second
> device polling.
> ,,,
> Regards,
> Christian

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