Swap space

Steve Underwood steveu at coppice.org
Sat Feb 21 17:31:36 UTC 2009


James Wilkinson wrote:
> Frank Murphy wrote:
>   
>> Use a usb-stick, formatted as swap.
>> It will be made use of on boot up.
>> I have four machines using them (up to 4gb sticks)
>> ymmv
>>     
>
> Note that questions have been asked about how long flash will last if
> used for swap. (But the worst thing that can happen is that the machine
> crashes and the flash becomes unusable).
>   
Using SD cards the answer seems to be a few days. The card doesn't show 
bad sectors. It just dies completely. This has happened with several SD 
cards of different makes. I have no idea what the failure mode is, but 
after 5 or 6 fail that fast, and you haven't seen any last a decent 
length of time, you have to start accepting its not a random failure issue.

Regards,
Steve




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