Topic: 🆗[ANN][OK] Okcash | ⚡Fast | LTSSposv3hybrid | Easy to use | Reliable | ROKOS ✅ - page 101. (Read 459157 times)

OK, I will out myself as an SD-card-on-a-RPi-staker.
I am running my wallet with a SANDISK-ultra on a RPi2 24/7 for over a year and without any problems.
I do backup the data directory as a zipped tar-archive from time to time (the wallet should be backed up anyways - whether HD or SD).

The SANDISK card is quite foregiving with powerfailures - though I had only one in the last year - but no corruption of the card after rebooting.

But there are a few things, that should be done before running the wallet.:

- completely deinstall dphys-swapfile - one could only deactivate it, but after rebooting swapping would be active again.
Swapping is a bad idea, at least on an SD-card, because when your memory gets exhausted and the card starts swapping data, it only furthers the slowdown until at a certain point your wallet cannot stay synced and either shuts down or gets unresponsive and you need to kill the process. It could also get worse and your hole system gets unresponsive and you need to pull the power-plug to shut it down and reboot.
So if you would need to swap on your SBC, because memory gets exhausted, you better use a SBC with more accessible memory instead of using a swapfile.

-I use a minimal installation (Raspbian minimal for the RPi) and compile the daemon, not the qt-wallet.
Lesser processes means lesser read/write cycles.

-When starting the daemon, I use '-printtoconsole > /dev/zero'. There is ofcourse no log at all, but that is exactly what I want anyways.


I do not intend to give advice to run your wallet as I do.
I just want to say, that I will continue running my wallet from SD-Card. If you are running from a HD, there is barely an advantage in using a SBC over a PC, because power consumption of your HD will probably be more than double the consumption of your SBC.
So you could as well use a PC for staking.

Thanks for reading,
 

Great advice, only killed one SD card and luckily saved my wallet.  Run from HD for sure

Besides the fact OkPay is PoS coin, which could add to the number of wallet operations, it might happen this has to do with OKCash wallet being "HD wallet" - based on a newer version of Bitcoin core. Most other altcoins still use older sources, which may handle wallet IO operations differently. Do you run other coins having HD wallets?

BTW, just an additional note regarding wallets on Pi (as you mentioned you have one) - I hope you do not run wallets from SD card. Running any kind of coin wallet on SD card will eventually kill the card very quickly, so you will end up with damaged filesystem after next boot-up (regardless of it being caused by hard- or soft-reset). I have killed few SD cards that way before moving the wallet directories to external USB or NFS HDD. I don't know how you run your RPi, so this is just my advice to everyone - never run coin wallets from SD card. This means - do not keep coin directory (where the wallet.dat and blockchain files are located) on the SD card!!

Just my 2 cents...

Cheers!

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Its pretty much all over my head  

As far as I know:
In debug window (a kind of terminal for issuing commands to your wallet app):
where:
- [account] - this is basically the name you gave to an address, enclosed in double quotes but it is said to be deprecated and its use is discouraged;
- [count=10] - default number of transactions to list (you can specify a value a bit larger than the number of transactions you estimate for your wallet and increase it if needed), enclosed in double quotes;
- [from=0] - I am not sure about that, I got JSON error every time I tried to use it;
- [show_coinstake=1] - I am not sure about that, but my logic says that it includes staking rewards.
Example:
You will obtain a list in JSON format. Feed that to a JSON to CSV converter (on line: http://www.convertcsv.com/json-to-csv.htm or https://konklone.io/json/ , or you can use python - https://www.npmjs.com/package/json2csv ).
The "blocktime", "time" and "timereceived" ar in UNIX Epoch format (search for a converter for that too).

First: I didn't intend to "give you grief" and thank you for the compliment.
Second: My dad has a PhD in a "hard-science" and a lot of industrial and research electronics experience and I still have to explain some IT&C to him in much simpler and detailed terms and comparisons than I used in this thread. It might be a flaw in my manners too. Don't take it too personal, 'cause it is not.
Third: "The fact still remains" that configurations and circumstances can vary wildly and a proper diagnostic of a perceived software flaw requires much more information than you (and many other users) gave, hence the "fireman" approach taken almost all over this thread: save wallet, reinstall from scratch, use bootstrap, reboot. As an example case: a x64 PC with 16 GB RAM DDR 3 and an average mechanical HDD of 1TB capacity and 16MB cache running Windows 7/8.x is very prone to filesystem corruption in case of a power failure, but it will "hide" that from user until the next reboot, when the message prompting the user to cancel the disk check might go unnoticed (the user is having a happy time with a beer/spouse/kid etc.) and the system seems to take ages to boot (but it eventually boots fine and works fine if it is allowed to correct the detected issues) or, even worse, the user cancels the disk check and the errors keep piling up until everything works so awful that the user decides to buy another machine.
Fourth: Cold storage is not affected by power failures, so mentioning a lot of alt-coins cold stored in that context is irrelevant.
Fifth (and final): I'm not treating anyone like an idiot because I hope I am not one. Chill.

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Wallet question:

Is there not a way to export wallet transactions to a csv file like most other wallets ?

I don't know noble wallet, and how much io does, i have DMD, BITB and OK, and on all of that (they are on a win10 pc) i see a quite continuous 0.1% of disk activity for every process, you have to see if noble wallet is less active on io could be that he makes less access, and so is more "secure" on power failures....

Cheers

Thanks Ces, that is information I can work with, but I will add my Noble POS wallet has never done it

Sorry but in the past power failure (to me) corrupted a lot of wallets... and not only the ok wallet, and not only wallets, but the whole hard disk, not only to me but also to my customers, i'm a computer tech... power failure on a computer is always a bad thing and every time you restart it you have to cross your fingers if all goes fine, also with robust filesystems if you have a power down exactly on a writing no journal of transaction can save you.........


What probably others here are willing to say to you, is that having a computer with important data on it, without a UPS is a stupid thing.

Edit : Another thing that came to my mind is that PoS wallets make more disk io during the staking operations( that happens quite cotinuously), that Pow wallets don't do, they only make disk io when a new block comes in. so they are more fragile on this aspect, as the staking processes happens often vs. the non staking wallets proceses.

More litterate wallet experts can be better qualified and confirm my idea....

ONLY GOING TO GIVE ME GRIEF IN THIS FKN WAY SMART ASS... Yes I ask politely and get polite answers, answers that make sense well then you deserve my patience, feed me bullshit, talk to me like a kid.. well simply put you can shove it... The fact still remains, OK cash is the only coin to Corrupt the damn wallet file on a fkn power failure .... Dispite a long list of coins  I have invested in and cold stored



Mega coin
Noble Coin
NOXT
EAC ( as you linked above)
Lets see...
Bansky coin
One coin ( the Original with ONE coin we all fought for )
Tesla coin
Rubby Coin
Dogecoin
BTC of course...
These are just to name a few without pulling out my files and looking ... so you can take your smart arse attitude and stick it ... talk all about files systems and how it's not one else's fault, But I cannot agree with such a long list of active coins I hold / and Have held, In a desert town with at some stages weekly power failures (Currently living in a city though mind you and having new hardware too) that it is as  you say, a file system /hardware problem, Why do none of these other coins have a problem ? why ? doesn't make sense to me, not one bit... you want to treat me like an idiot and talk down to me, that is fine too, I'll take my own input and invest myself in people who deserve it. Thanks for the profit ! it's a wild ride !