[mythtv-users] ECS Liva for frontend - brief report

marcus hall marcus at tuells.org
Fri Jan 2 21:36:51 UTC 2015


On Fri, Jan 02, 2015 at 06:02:35PM +0100, Josu Lazkano wrote:
> I never use eMMC disk, with SSD disk, there is a limited write access,
> so it is important to not write every time. What about the logs? Do
> you write logs in the Liva? I use to start mythfrontend this way:
> "/usr/bin/mythfrontend --loglevel info --syslog local6"

About 10 years ago I was involved in a project using compact flash cards as
the root filesystem, and at that time we worked out that with the endurance
rating and wear leveling, we could write once a second to the card and the
lifetime would be 20 years or so.

Current cards certainly have at least as good endurance, and normal operation
should buffer enough that writes should average much less than once a second
(especially using 'noatime', or 'relatime', (or the forthcoming 'lazyatime')
mount options).  Certainly, if the software goes ape crazy and starts writing
at processor speeds to the flash, it won't last very long.  But, hopefully
that won't happen.

marcus hall
marcus at tuells.org


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