[mythtv-users] monthly madam checkarray kills recordings

Gary Buhrmaster gary.buhrmaster at gmail.com
Sun May 6 21:26:57 UTC 2018


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.


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