On 31/03/18 13:21, Tony van der Hoff wrote:
> On 31/03/18 12:42, druck wrote:
>> On 30/03/2018 10:42, A. Dumas wrote:
>>> On 30/03/2018 10:49, Newdo wrote:
>>>> i am thinking about installing raspbian on an ext3 formatted USB
>>>> stick on order to get rid of the file system journaling accessing the
>>>> device too often..
>>>
>>> Well, a USB stick is the same sort of flash media as an SD card, so
>>> you won't solve that problem. I use a spinning disk for my server Pi,
>>> it's a 2.5" portable disk powered by the USB port, max_usb_current=1
>>> in /boot/config.txt. Works well, haven't had an outage in years.
>>
>> Some USB sticks, particularly the tiny low profile ones, may be pretty
>> much the same as an SD card when used as a Pi filing system. Some of the
>> larger sticks *may* have better controllers for improved wear levelling
>> and resilience when used as a Pi filing system.
>>
>> I've been using a Samsung USB3 bar drive on one of my Pi's for over 3
>> years without a problem, where as the maximum an SD card has lasted is
>> 18 months. My main Pi is using a proper SSD with a USB to SATA adaptor.
>
> I have had a pi, for about 5 years, running 24/7, controlling my central
> heating, and maintaining a RRD database of temperature readings every 2
> minutes, which is still using its original SD. I have had a clone of the
> SD on standby, ready to slot in when it dies, but there has never been
> any need.
>
Ive just looked at my desktop kingston SATA SSD and its done 24000 hours
to date and passed all tests ands has 96% of it's life left

That looks like it might last 20 years. Way better than any hard disk.


--
"When one man dies it's a tragedy. When thousands die it's statistics."

Josef Stalin

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