[mythtv-users] monthly madam checkarray kills recordings

[scram69]

On Sun, May 6, 2018 at 2:26 PM, Gary Buhrmaster <gary.buhrmaster at gmail.com>
wrote:

> On Sun, May 6, 2018 at 4:27 PM, scram69 <scram69 at gmail.com> wrote:
> > It's the first Sunday of the month, so I've just gone through the first
> raid
> > checkarray re-sync on Ubuntu 18.04, having just upgraded from 14.04.
> > /etc/cron.d/mdadm runs checkarray with the --idle argument, presumably
> so as
> > not to kill disk performance for other processes.
> >
> > However, during the array check, all recordings failed with
> > threadedfilewriter errors:
>
> "Idle" has different meanings to different apps.
> You might want to throttle the max i/o rate for
> sync (a good value will depend on your devices)
>
>     dev.raid.speed_limit_max
>
> is likely the sysctl to look at.
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://lists.mythtv.org/mailman/listinfo/mythtv-users
> http://wiki.mythtv.org/Mailing_List_etiquette
> MythTV Forums: https://forum.mythtv.org
>


Thanks Gary.  I still have my old 14.04 system drive mounted.  Before I
sysctl -w dev.raid.speed_limit_max=some_small_number, do you know where I
might be able to find what the max speed limit was under Ubuntu 14.04?

-- 
________________________
"destroying the fundamental underpinnings of the broadcast television
ecosystem"
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mythtv.org/pipermail/mythtv-users/attachments/20180506/868120cb/attachment.html>