[CentOS] "power outage"-save / like embedded systems
Leon Fauster
leonfauster at googlemail.com
Tue Sep 30 22:42:17 UTC 2014
Am 30.09.2014 um 19:08 schrieb m.roth at 5-cent.us:
> Leon Fauster wrote:
>> I would like to setup a small system based on CentOS6
>> "power outage"-save as possible. The hardware will be
>> switch off by pulling the plug.
>>
>> To accomplishing this goal, I would mounting some fs parts
>> readonly (e.g. /usr) and thinking about tmpfs for volatile
>> parts (e.g. lock, run under var). Additionally "optimize"
>> some vm.dirty_* kernel- and fs/ext4 parameters. /persistent
>> would be used with jffs2 on a CF card. So far the theory.
>>
>> Does anyone have some experience with such type of systems?
>> Any pointer to pitfalls are welcome.
>>
> Put it on a UPS, and install apcupsd.
Sure, for servers but I am talking about a small
9W-power-consumption appliance that have this
requirement :-)
--
LF
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