Re: [mh] Misterhouse on Raspberry Pi?

Someone created this in the Wiki 
;https://github.com/hollie/misterhouse/wiki/Minimising-disk-writes

Is there anything on his thread we should add to it?

Giles


On 26/01/2021 00:30, Tom MacLean wrote:
> Hi Brian,
>
> I did absolutely nothing to reduce the writes to the SD.
>
>  I can’t tell what the failure is, I perhaps what I see is the normal 
> “worn out” behaviour. I can say that the last time it died it did so 
> the same way. (Losing recent file charges)
> I had updated my password a few days ago, and after rebooting it 
> wouldn’t take my new password; it had reverted.
>
> I think the noatime change might be worthwhile, also slowing the 
> logging interval.
>
> I’m willing to change the SD a few years. My config is saved with git.
>
> Cheers,
> Tom
>
> Sent from my iPhone
>
>> On Jan 25, 2021, at 5:19 PM, Brian M 
>> <[email protected]> wrote:
>>
>> 
>> I've been really appreciating folks posting their experiences running 
>> solely on the microSD.  I don't run my vital RPis that way, because I 
>> didn't know what to expect, so this is good information.
>>
>> Tom, did you do anything to reduce write traffic to the microSD? 
>> Setting "noatime" in /etc/fstab eliminates a lot of writes, because 
>> everytime a file is *read*, the access time is updated(written). I've 
>> heard of people making /var/log a tmpfs file system (if they don't 
>> need their logs), optionally sweeping them to the SD card on an 
>> hourly basis. Removing swap and installing zram instead would help 
>> (but beware the current 8G bug in zram if you have an 8G RPi 4). Did 
>> you do any of these things, or others?
>>
>> -Brian M.
>>
>> On 1/25/21 12:28 PM, Tom MacLean wrote:
>>> I was going to chime in that I just run MH on the microSD without 
>>> issues, but I just had a failure (on a 4 year old SD), my second 
>>> such failure. Same as last time: the system boots fine, MH runs 
>>> without issue, but none of my file changes persist after reboot. 
>>> It’s just writing to the SDs buffer, not to the flash.
>>>
>>> 4 years isn’t too bad though.
>>>
>>> Sent from my iPhone
>>>
>>>> On Jan 23, 2021, at 10:32 AM, Giles Godart-Brown 
>>>> <[email protected]> wrote:
>>>>
>>>> 
>>>>
>>>> I've just had a go at tidying up the Wiki for Raspberry Pi 
>>>> (https://github.com/hollie/misterhouse/wiki/Raspberry-Pi), moving 
>>>> many of the optional bits onto separate pages so it doesn't look so 
>>>> daunting and adding things I've found during my many installs.
>>>>
>>>> Giles
>>>>
>>>> On 23/01/2021 12:55, Richard F wrote:
>>>>>
>>>>> When I started using an SSD over a decade ago or so (when burning 
>>>>> out SSD's was a big concern, as lifetimes weren't initially 
>>>>> specified/trusted), I reduced mh data saves by a factor of 5 (in 
>>>>> the mh file itself in /bin), like so, which has served me well:
>>>>>
>>>>> &object_states_save if &new_minute(5) and !($Time_Start_time or 
>>>>> $Time_Stop_time);
>>>>> #    &object_states_save if $New_Minute and !($Time_Start_time or 
>>>>> $Time_Stop_time); # Skip if in accelerated mode
>>>>>
>>>>> My current Samsung SSD has 81000 hrs on it - over 9yrs - and still 
>>>>> 78% of its life left according the smartd.
>>>>>
>>>>> I'd also be interested in a Pi guide as that may be the eventual 
>>>>> mh destination.  I'm a big fan of the Picoreplayer which has a 
>>>>> great feature of running totally from RAM once booted, so you can 
>>>>> switch it off without worries. Though mh needs to write status, I 
>>>>> could forsee a picore or similar mini distro that includes mh, and 
>>>>> saves its config/recovers (if lost) to network storage or cloud.
>>>>>
>>>>>
>>>>> On 21/01/2021 7:54 pm, Gianni Veloce wrote:
>>>>>> hi guys
>>>>>> as my old Ubuntu laptop running MH is almost broken i am looking 
>>>>>> to move to Raspberry Pi.
>>>>>> is there any detailed guide how to setup MH on Rpi?
>>>>>> and are any hints to avoid the abuse of the SD card with writes 
>>>>>> from the OS and MH?
>>>>>> Would installation on a USB drive help in this?
>>>>>> TIA
>>>>>> GV
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> ________________________________________________________
>>>>> To unsubscribe from this list, go to:https://lists.sourceforge.net/lists/listinfo/misterhouse-users
>>>>>
>>>> ________________________________________________________
>>>> To unsubscribe from this list, go to: 
>>>> https://lists.sourceforge.net/lists/listinfo/misterhouse-users
>>>>
>>>
>>>
>>> ________________________________________________________
>>> To unsubscribe from this list, go to:https://lists.sourceforge.net/lists/listinfo/misterhouse-users
>>>
>>
>> ________________________________________________________
>> To unsubscribe from this list, go to: 
>> https://lists.sourceforge.net/lists/listinfo/misterhouse-users
>>
>
>
> ________________________________________________________
> To unsubscribe from this list, go to: https://lists.sourceforge.net/lists/listinfo/misterhouse-users
>

________________________________________________________
To unsubscribe from this list, go to: https://lists.sourceforge.net/lists/listinfo/misterhouse-users