[XMR] Monero - A secure, private, untraceable cryptocurrency - page 751.

digicoin

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Quote from: GingerAle on November 04, 2015, 09:16:57 PM

Quote from: digicoin on November 04, 2015, 08:23:45 PM

Have anyone tested Monero 0.9 to see if it is system crash safe?

Bitcoin Core wallet is a nightmare because its database is quite fragile. If I closes the wallet suddenly, OS stops unexpectedly, I need to spend 3-4 days to reindex the database and re-sync block chain from the beginning

jesus really?

i've beaten the hell outta 0.9. For instance, the development branch (which goes above and beyond 0.9, but uses 0.9 as its base) for a while couldn't be exited because the 0mq wasn't all wired up properly. So how do you stop the program?

Indeed, that issue happened 5-6 times with Bitcoin Core wallet v0.11: Windows crashed, installed new program that required Windows restart that closed the wallet forcefully, blockchain stored in an external hard disk that was dismounted in an unexpected way (USB issue), MacOS restart, Mac OS closed forcefully because of draining laptop battery ...

After that I was notified that Bitcoin blockchain was corrupted and required me to wait for it to be re-indexed. It was quite a time consuming task that could take several days. Sometimes I lost my patient and re-synced blockchain from the beginning. It is faster.

I have no such issues with Monero 0.9 yet.

GingerAle

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Quote from: digicoin on November 04, 2015, 08:23:45 PM

Have anyone tested Monero 0.9 to see if it is system crash safe?

Bitcoin Core wallet is a nightmare because its database is quite fragile. If I closes the wallet suddenly, OS stops unexpectedly, I need to spend 3-4 days to reindex the database and re-sync block chain from the beginning

jesus really?

i've beaten the hell outta 0.9. For instance, the development branch (which goes above and beyond 0.9, but uses 0.9 as its base) for a while couldn't be exited because the 0mq wasn't all wired up properly. So how do you stop the program? kill 9! or the plenty of times I loaded up bitmonerod in a putty terminal and then lost my wifi connection so had to kill the daemon (before I learned to through rpc calls at it). Long story short, LMDB is great.

https://en.wikipedia.org/wiki/Lightning_Memory-Mapped_Database

edited to add:

Quote from: wikipedia

LMDB was designed from the start to resist data loss in the face of system and application crashes.

kudos to the monero devs for pushing this development. Are we the only cryptocurrency using LMDB?

nioc

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Activity: 1624

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Quote from: MoneroMooo on November 04, 2015, 07:05:10 AM

Quote from: nioc on November 04, 2015, 05:16:15 AM

I don't know where this place is, nor how to get there or what to do when I am there Tongue

Add " --trusted-daemon" (without the quotes, but with the space) just after the string "simplewallet" in your command, such that --trusted-daemon does not directly touch any other non-whitespace character. If you're using some script someone else wrote, edit it to change that (or post it if you don't know how to edit one, and I'll make the change and post it).

Thanks but I believe you know too much, that is being on another level, to understand how truly clueless I am. Tongue

BTW looking forward to donating to the next round of funding for the great work you will continue to be doing

@GingerAle, I think you know how clueless I am, Thank you very much Wink

I be solo mining Cheesy

@farfiman, well I guess I am not totally clueless as I remembered that trick which I believe you mentioned before but I didn't know what to do after that. Cool

digicoin

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Activity: 1106

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Have anyone tested Monero 0.9 to see if it is system crash safe?

Bitcoin Core wallet is a nightmare because its database is quite fragile. If I closes the wallet suddenly, OS stops unexpectedly, I need to spend 3-4 days to reindex the database and re-sync block chain from the beginning

GingerAle

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Activity: 1260

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Quote from: digicoin on November 04, 2015, 08:01:17 PM

Quote from: vokain on November 04, 2015, 01:32:19 PM

Pardon the ignorance, what exactly is the .9 version release as compared to the others?

3 biggest changes:

1. You don't need 6 GB RAM and more to run bitmonerod
2. You don't need to wait for 5-6 minutes to run bitmonerod or see it exit
3. Monero's database is portable. Feel free to copy it from Linux to Windows or vice versa

Monero's usability and robustness in 0.9 release has vastly improved. I believe that end user will like this release

And the mandatory mixin. That can't be stressed enuf how critical that is for moneros true function as truly fungible digital cash.

It also has a lt of fancy new wallet features. View only wallets is cool. Did luigi integrate he confirm payment received feature? Well, that's also cool but might not be in there. Here's also some magic to make a fresh node sync in 45 mins in an ssd with a good net connection. I assume stability improvements as well, cause I saw someone report that the old bins would only last for 3-5days or something. New head runs forever.

digicoin

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Activity: 1106

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Quote from: vokain on November 04, 2015, 01:32:19 PM

Pardon the ignorance, what exactly is the .9 version release as compared to the others?

3 biggest changes:

1. You don't need 6 GB RAM and more to run bitmonerod
2. You don't need to wait for 5-6 minutes to run bitmonerod or see it exit
3. Monero's database is portable. Feel free to copy it from Linux to Windows or vice versa

Monero's usability and robustness in 0.9 release has vastly improved. I believe that end user will like this release

dEBRUYNE

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Activity: 2268

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Quote from: coinyoo on November 04, 2015, 03:16:26 PM

Hello, i would like to start with monero. it sound very promising for me. is there a faucet where i can test the different online and local wallets?

Give me your address and I'll send you some playmoney :-) There is no faucet yet, but if I recall correctly MoneroDice would implement one.

coinyoo

full member

Activity: 210

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★YoBit.Net★ 350+ Coins Exchange & Dice

Hello, i would like to start with monero. it sound very promising for me. is there a faucet where i can test the different online and local wallets?

smooth

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Activity: 2968

Merit: 1198

Quote from: pa on November 04, 2015, 01:35:23 PM

Quote from: vokain on November 04, 2015, 01:32:19 PM

Pardon the ignorance, what exactly is the .9 version release as compared to the others?

The upcoming release that incorporates many performance improvements, notably lower memory requirements owing to storage of the blockchain in a database.

That and the massive improvement to chain privacy from using ring signatures on all transactions.

smooth

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Activity: 2968

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Quote from: Drhiggins on November 04, 2015, 01:23:40 PM

Thanks for the input guys. Last night when I was compiling on the 32GB Micro card I was getting a message that the drive was full and out of space.

cd
cd bitmonero
make -j2 release-arm7

Could be I was doing something wrong. I guess in the long run it does not matter what Linux version I use so long as it recent version?

I am hoping to get a working model and learn allot about setting these Rasp Pi's up as a node. If I can get it all worked out then I might consider setting them up and selling them for XMR for anyone not wanting to mess with it. I'd only charge for the cost of the equipment and not my labor.

Maybe there is no market for it and some might be interested if they just want to help the network out. Just and idea.

With most of those rpi linux distributions there is a step where you have to expand the partition to the size of the media after copying the image. Check the installation instructions.

Drhiggins

sr. member

Activity: 306

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Quote from: leonak on November 04, 2015, 01:33:46 PM

Quote from: luigi1111 on November 04, 2015, 12:56:01 PM

http://www.amazon.com/SanDisk-Extreme-512GB-Memory-SDSDXPA-512G-G46/dp/B00NP699ZI/

Yeah, baby.

Where's the prediction market for the price of these things in 2 years?

Edit: the "small" front seems stuck at 200 GB currently: http://www.amazon.com/SanDisk-Ultra-200GB-Micro-SDSDQUAN-200G-G4A/dp/B00V62XBQQ/

Well you should consider speed too, not only dimensions

I have had terrible experiences with SanDisk products over the years. I bought a SanDisk SSD last year when I built my mining rig and the damn thing started smoking and almost caught fire. Not even 2 days into the build. Not to mention their SD cards have all been terrible for me. I've had good success with Kingston SD cards and for SSD Crucial, Samsung and Kingston SSD's have all been solid.

luigi1111

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Quote from: leonak on November 04, 2015, 01:33:46 PM

Quote from: luigi1111 on November 04, 2015, 12:56:01 PM

http://www.amazon.com/SanDisk-Extreme-512GB-Memory-SDSDXPA-512G-G46/dp/B00NP699ZI/

Yeah, baby.

Where's the prediction market for the price of these things in 2 years?

Edit: the "small" front seems stuck at 200 GB currently: http://www.amazon.com/SanDisk-Ultra-200GB-Micro-SDSDQUAN-200G-G4A/dp/B00V62XBQQ/

Well you should consider speed too, not only dimensions

Why? Both of these are at the higher end of speed and capacity. In the context of the RPi, both are faster than it supports (AFAIK).

pa

hero member

Activity: 528

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Quote from: vokain on November 04, 2015, 01:32:19 PM

Pardon the ignorance, what exactly is the .9 version release as compared to the others?

The upcoming release that incorporates many performance improvements, notably lower memory requirements owing to storage of the blockchain in a database.

leonak

full member

Activity: 238

Merit: 100

Quote from: luigi1111 on November 04, 2015, 12:56:01 PM

http://www.amazon.com/SanDisk-Extreme-512GB-Memory-SDSDXPA-512G-G46/dp/B00NP699ZI/

Yeah, baby.

Where's the prediction market for the price of these things in 2 years?

Edit: the "small" front seems stuck at 200 GB currently: http://www.amazon.com/SanDisk-Ultra-200GB-Micro-SDSDQUAN-200G-G4A/dp/B00V62XBQQ/

Well you should consider speed too, not only dimensions

vokain

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Pardon the ignorance, what exactly is the .9 version release as compared to the others?

Drhiggins

sr. member

Activity: 306

Merit: 251

Thanks for the input guys. Last night when I was compiling on the 32GB Micro card I was getting a message that the drive was full and out of space.

cd
cd bitmonero
make -j2 release-arm7

Could be I was doing something wrong. I guess in the long run it does not matter what Linux version I use so long as it recent version?

I am hoping to get a working model and learn allot about setting these Rasp Pi's up as a node. If I can get it all worked out then I might consider setting them up and selling them for XMR for anyone not wanting to mess with it. I'd only charge for the cost of the equipment and not my labor.

Maybe there is no market for it and some might be interested if they just want to help the network out. Just and idea.

LucyLovesCrypto

sr. member

Activity: 414

Merit: 251

Quote from: Drhiggins on November 04, 2015, 09:24:19 AM

So working off these instructions I have a few questions

https://forum.getmonero.org/5/support/360/bitmonerod-node-on-rpi2-working

First do you have to have a 256GB USB drive? (I have a 100gb usb drive at my disposal now) Will you need that much space on a drive or will an 32GB SD card be enough? If not enough space should I just load the OS on the USB drive instead of an SD card. The SD card i have is a class 10 but limited in size.

Second Can raspbian be used instead of ubuntu?

I will let you know that I'm so new to Linux that you could call me a retard. Seriously I'm that stupid with it. Only saving grace is I still remember some of my old Dos command line stuff but I realize there are differences when using Linux command line and I'm slowly learning.

The goal is to set up the Rasp Pi 2 as a 24/7 node. Thanks for any and all help.

Many inexpensive nodes should be set up like this!

luigi1111

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Quote from: smooth on November 04, 2015, 12:39:10 PM

Quote from: equipoise on November 04, 2015, 09:40:21 AM

Quote from: Drhiggins on November 04, 2015, 09:24:19 AM

...Will you need that much space on a drive or will an 32GB SD card be enough?...

32 GB would be enough for the Monero blockchain + OS for another year or two. Otherwise Monero would be dying.

64 GB cards are reasonably priced (about 20 USD, sometimes less discounted) so that's another option, or just start with 32 GB and plan to upgrade it someday. You want a high quality card but don't bother trying to buy one of the very fast cards because RPi2 doesn't support the high data rates. Performance will be worse on an sdcard compared to a real drive, but usable.

http://www.amazon.com/SanDisk-Extreme-512GB-Memory-SDSDXPA-512G-G46/dp/B00NP699ZI/

Yeah, baby.

Where's the prediction market for the price of these things in 2 years?

Edit: the "small" front seems stuck at 200 GB currently: http://www.amazon.com/SanDisk-Ultra-200GB-Micro-SDSDQUAN-200G-G4A/dp/B00V62XBQQ/

smooth

legendary

Activity: 2968

Merit: 1198

Quote from: equipoise on November 04, 2015, 09:40:21 AM

Quote from: Drhiggins on November 04, 2015, 09:24:19 AM

...Will you need that much space on a drive or will an 32GB SD card be enough?...

32 GB would be enough for the Monero blockchain + OS for another year or two. Otherwise Monero would be dying.

64 GB cards are reasonably priced (about 20 USD, sometimes less discounted) so that's another option, or just start with 32 GB and plan to upgrade it someday. You want a high quality card but don't bother trying to buy one of the very fast cards because RPi2 doesn't support the high data rates. Performance will be worse on an sdcard compared to a real drive, but usable.

equipoise

hero member

Activity: 794

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Monero (XMR) - secure, private, untraceable

Quote from: Drhiggins on November 04, 2015, 09:24:19 AM

...Will you need that much space on a drive or will an 32GB SD card be enough?...

32 GB would be enough for the Monero blockchain + OS for another year or two. Otherwise Monero would be dying.

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