Mark Lord write a sophisticated set of scripts that did this and some
other optimizations so you could switch back and forth between a fully
R/O and R/W mounted system.
http://rtr.ca/run_from_ram/
-Bart
* Prof. John C Nash <nashjc [ at ] uottawa [ dot ] ca> [091128 12:44]:
> I was worried about the "wearout" of SSD in my Asus Eee 900, so I put
> the following lines in my /etc/fstab
>
> tmpfs /var/log tmpfs defaults 0 0
> tmpfs /tmp tmpfs defaults 0 0
> tmpfs /var/tmp tmpfs defaults 0 0
>
> Possibly others can suggest improvements on this. Of course, I am
> relying on RAM to hold my logs, and apt-get complains that it cannot
> find old logs, but otherwise I've found this satisfactory.
>
> JN
>
>
>
>> Date: Fri, 27 Nov 2009 16:10:26 -0500
>> From: "C.T. Paterson" <i [ dot ] adore [ dot ] my [ dot ] 64 [ at ] gmail [ dot ] com>
>> Subject: [OCLUG-Tech] Running Linux 24/7 on Thumb Drive - Wear?
>> To: OCLUG Linux <linux [ at ] lists [ dot ] oclug [ dot ] on [ dot ] ca>
>> Message-ID:
>> <c1c598a40911271310i491a8b12i98c3a39acce9eb85 [ at ] mail [ dot ] gmail [ dot ] com>
>> Content-Type: text/plain; charset=UTF-8
>>
>> Hey folks,
>>
>> I've been running linux on a thumbdrive for a few months now. The
>> machine is on 24/7, and while I wouldn't go so far as to call it
>> "busy" - it certainly has things to do throughout the day and night
>> (it's a PVR). There have been a couple of incidents now, that have
>> made me question the integrity of the system - and I wonder about the
>> flash drive.
>>
>> I know (or think I know) that flash can "wear out" if read/writes are
>> done to the same spot on the disk repeatedly - as might be done to
>> /tmp. Does anyone think that might have happened over the course of
>> some months? Is there anything that can be done to distribute the use
>> of the drive so the wear is even?
>>
>> I have been (and will continue) googling about this - but I haven't
>> come up with much except tutorials of how to get started.
>>
>> Thanks.
>>
> _______________________________________________
> Linux mailing list
> Linux [ at ] lists [ dot ] oclug [ dot ] on [ dot ] ca
> http://oclug.on.ca/mailman/listinfo/linux
--
WebSig: http://www.jukie.net/~bart/sig/