On Sun, 2 Dec 2018 12:16:34 +0100, Dr. wrote in message
<201812021216.34883.dr.klepp@???>:

> Am Sonntag, 2. Dezember 2018 schrieb Edward Bartolo:
> > Hi everyone.
> >
> > Recently I have been using a Raspberry Pi 3B, obviously powered with
> > Devuan, to run as music player. Restarting it yesterday, I was
> > dismayed to discover it would not boot properly anymore, with long
> > lists of errors complaining about not being able to write to the SD
> > CARD. The latter is not full. Examining it I found it is now
> > permanently marked as read-only. Searching online for an explanatory
> > cause, I learnt this occurs when the maximum number of write cycles
> > is reached. So, the SD CARD, although brand new is now to be thrown
> > away.
> >
> > The purpose of this email is to ask how to radically minimized write
> > cycles to the SD CARD when I run Devuan for Raspberry Pi 3. I found
> > a how-to which uses /tmp fs for frequently modified system files,
> > but the user uses systemd and I do not want to have that.
> >
> > Can any good soul help, please?
> > Thanks.
>
> Do not use swap.
> Use ramfs for /tmp and /var/tmp.
> Turn off logging.

...or log to a log server.

> Mount / readonly.
> Use "noatime" mountoption.


--
..med vennlig hilsen = with Kind Regards from Arnt Karlsen
...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.