Topic: Building Cheap Miners : My "Secret" - page 7. (Read 60249 times)

Unfortunately, I do believe the 4870's are better performers with ROI. The most I can get out of the 8837's is 1200 h/s. That's with all eight mem carts and four dimms per in hemisphere mode. With the 4870's I was getting 1300 h/s with just two dimms per cart.

Kind of a bummer, actually.

EDIT: I'm running 32 threads per core and 128gb HugePages mem and am now getting almost 1300 h/s. Kinda' cool to be running that many threads.

2nd EDIT: Learning a lot about these things. E7 processors WILL NOT work on a system board that's not Revision OB or later. The one in my X7560 rig is OA. Dead in the water on that I guess. Found a complete chassis cheap and I made an even cheaper offer. Maybe they'll take it.....

I am not familiar with ROIcoin but having looked at the git page it appears that it is memory focused and not cache focused. Please correct me if I am wrong.
https://github.com/ROIcoin/ROIcoin

As for HP DL580 G7 memory and memory configuration here is a link:

HPE ProLiant DL580 G7 Server - Configuring Memory
https://support.hpe.com/hpsc/doc/public/display?docId=c02283239

Look at the "Memory performance optimization" section in the above for suggestions to obtain the best memory speed.

And if you are using eight memory cartridges be sure to turn on Hemisphere mode.

Also be sure that NUMA is enabled in the BIOS (ACPI SRAT) :

HPE ProLiant DL580 G7 Server - Configuring NUMA Memory
https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c02142071

I want to point out that you may be able to run with a single cartridge installed in slot 1. If you are using 8GB memory modules you can put 64GB in a single module. When this is done all the processors can access the memory in that single cartridge. Processor 1 has a direct link and processors 2, 3 and 4 has to do a hop through processor 1 to get to it. I am running all my HP DL580 G7 systems with a single cartridge and it only slows down monero mining by 1-2%. Monero mining is cache bound and not memory bound. The slowdown may be different for mining ROIcoin.

I suggest testing with these configurations:

Only one cartridge in slot 1

Four cartridges in slots 1, 3, 5, 7

All eight cartridges

Getting back to mining ROIcoin I have tried to find out how it actually works when mining. I have tried searching but have been unable to find an example of the config file. If you could post an actual config it would be helpful.

Here are my assumptions:

Since ROIcoin mining uses a 1GB AES Pattern Search PoW (HOdl) in memory I assume that each processor CORE is working on a single instance of this 1GB of memory.

If that is how it works then each of the eight core E7-8837's need access to 8GB of memory or 64GB total memory. Which can be in 1, 4 or 8 cartridges.

From the testing I've done ROIcoin does indeed use memory. I'll test again, but it appears that I get way more hash with all eight cartridges with mem installed in each. Hopefully I'm wrong.

Yes you should flash the X7560 rig with the BIOS update. That needs to be done so that you can use E7 processors in it. Most of my DL580 G7 purchases had X7560's in them and they were flashed to the BIOS update and had E7-8837's installed without any issues.

As for the memory cartridges you can use either the ones labeled "E7 Only" or the plain ones as they both work with E7 processors. The ones labeled "E7 Only" do not work with the X75xx series processors.

To save a bunch of power you should check this out:

Save power on the DL580 G7's by running with the minimum number of memory cartridges
https://bitcointalksearch.org/topic/m.36789923

I only have a single cartridge in the rightmost slot on processor 0. It has only 8GB of memory installed on it. Either 4x 2GB or 2x 4GB. Each memory cartridge uses 30 watts even if it contains no memory sticks. I saved 210 watts by only using a single memory cartridge.

Got the BIOS flashed on the first rig. 8837's will be here tomorrow and I'll take 'em for a spin.

Can I flash the X7560 rig with this BIOS and run E7 series CPU's if I replace the mem cartridges with E7 ones? I've never figured out what the actual difference is between a "standard" DL580 and a E7 series.

Yes HP locking information on the older G7 products is a bummer. However ever so often a public link becomes available.

I was able to download the HPE SPP G7.1 2018.iso (SPP for the DL580 G7) from this site https://www.teimouri.net/review-hpe-service-pack-proliant-2018-03-0-hpe-spp/#.W9TKv2cpUS8 earlier this year when they reviewed the HPE Service Pack For ProLiant 2018.03.0 (HPE SPP). The download link has now been removed but it was in plain site for quite a while.

Here are some additional links for the HP DL580 G7:

https://support.hpe.com/hpesc/public/home/productHome?sp4ts.oid=4142793

From the above link you can obtain:
HP ProLiant DL580 G7 Server User Guide
HP ProLiant DL580 G7 Server Maintenance and Service Guide
HP ProLiant DL580 G7 Server - Configuring System Board
HP ProLiant DL580 G7 Server - LED Indicators

etc

I REALLY appreciate your help! I love these machines, but have always been limited on what I can do with 'em. Lack of knowledge and HP's insistence on a license hasn't helped any...

You need to format the USB so that it is blank. Then follow these instructions:

Installation Instructions are Here in this link: https://support.hpe.com/hpsc/swd/public/detail?sp4ts.oid=4142793&swItemId=MTX_0b8f3842a4cd4835b6dd193ee9&swEnvOid=4184#tab2

Installation:

1. Obtain a formatted USB Key media.

2. Download the SoftPaq to a directory on a system running Microsoft Windows 2000, Microsoft Windows XP, Microsoft Windows Vista, Microsoft Windows 7, Microsoft Windows Server 2003, Microsoft Windows Server 2008, or Microsoft Windows Server 2008 R2 and change to that directory.

3. From that drive and directory, execute the downloaded SoftPaq file: Simply double click on the SPxxxxx.exe file and follow the installation wizard to complete the SoftPaq installation process. At the end of a successful installation of the SoftPaq a web page will automatically appear to provide you with the different methods for restoring and/or upgrading the firmware on the system.

4. After the USB Key is created, you may delete the downloaded file if you wish.

5. Insert this USB Key into the USB Key port of the system to be updated and power the system on to boot to the USB Key.

Excellent info here!

Except how to flash the BIOS. I installed FreeDOS on USB, unzipped the BIOS file and loaded the RomPaqUSB file on it. Not sure what to do from there or if that's even right.

I'm a noob at flashing the BIOS on these things. Didn't realize I could even do it without giving HP rights to my wife, two of three kids, dog, and truck.

Any help would be greatly appreciated!

I have ten 8837's on the way. 

The X7560 lacks the AES instruction and because of that it is very poor for mining and probably the reason for the aeskeygenassist error.

http://www.cpu-world.com/CPUs/Xeon/Intel-Xeon%20MP%20X7560%20-%20AT80604004869AA%20(BX80604X7560).html

The E7-4870 does have the AES instruction but it is not the optimal processor for mining on the DL580 G7. The best is the E7-8837.

http://www.cpu-world.com/CPUs/Xeon/Intel-Xeon%20E7-8837.html

The 10-core processors are worse hashing even if they have two more cores because the processor clock is much lower. The E7-8837 runs at 2.8 GHz on all 8-cores whereas the E7-4870 only runs at 2.53 GHz. I have verified that the E7-4870 is worse than the E7-8837 for mining.

This article explains why: They say L3 cache is king… Is it? http://www.cointainer.life/2018/03/10/say-l3-cache-king

On eBay I have been picking up sets of four E7-8837's for $40 or less.
https://www.ebay.com/itm/LOT-OF-4-Intel-Xeon-E7-8837-SLC3N-24M-Cache-2-66GHz-6-40GT-s-QPI-H567445/292670668001

Be sure to update the BIOS on the HP DL580 G7 before you put in E7-8837 processors. If you don't it will not even boot to the BIOS screen.
https://support.hpe.com/hpsc/swd/public/detail?sp4ts.oid=4142793&swItemId=MTX_0b8f3842a4cd4835b6dd193ee9&swEnvOid=4184

There are a lot of posts here about mining on a HP DL580 G7.

You may want to start on page 30 of this thread and read forward from there.

Selected posts that might be of interest to you:

https://bitcointalksearch.org/topic/m.33071070
https://bitcointalksearch.org/topic/m.36789923
https://bitcointalksearch.org/topic/m.36161105
https://bitcointalksearch.org/topic/m.33628607

Is anybody running ROI on a DL-580 G7? I have three, two with E7-4870's and one with X7560's. The E7 boxes are up and running Hodlminer v1.4.1 with no issues, but I can't get the X7560 box to configure properly. Something to due with the CPU's, but not sure what. Get an aeskeygenassist error on making the miner. Running Ubunto 18.04. Thought maybe one of you guys might have a solution.

This is an update from a previous post: https://bitcointalksearch.org/topic/m.35830295
The previous post has broken links whereas this one works now and in the future.

For those here who are running Ubuntu Linux on HP Servers here is how to install HP Health Software and access very useful data from those servers:

Open Shellinabox to the Server (or do this locally from a terminal screen):

// Get the latest version of hp-health from here: https://downloads.linux.hpe.com/SDR/repo/mcp/Ubuntu/pool/non-free

wget http://downloads.linux.hpe.com/SDR/repo/mcp/Ubuntu/pool/non-free/hp-health_10.62-2_amd64.deb

// https://www.tecmint.com/install-local-deb-packages-in-debian-ubuntu-linux-mint
// gdebi is a tiny command-line tool for installing local deb packages. It resolves and installs package dependencies on the fly.


// get the deb installer
sudo apt install gdebi

// Install HP-Health

sudo gdebi hp-health_10.62-2_amd64.deb

Answer y to install


---------------------


Now you can access server data using the HPASMCLI Commands

HP ProLiant Servers - HPASMCLI Commands
https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c03474917

To access the power consumption readings on a server running a Linux operating system (OS), sum the “Power” data from all power supplies that are present. The Linux command below will return the power supply data needed:

sudo hpasmcli -s "show powersupply"

This is an example from an HP DL580 G7 Server:

miner@DL580-G7-7:~$ sudo hpasmcli -s "show powersupply"

Power supply #1
        Present  : Yes
        Redundant: Yes
        Condition: Ok
        Hotplug  : Supported
        Power    : 360 Watts
Power supply #2
        Present  : Yes
        Redundant: Yes
        Condition: Ok
        Hotplug  : Supported
        Power    : 380 Watts
Power supply #3
        Power Supply not present
Power supply #4
        Power Supply not present


Other interesting HP Health commands:

sudo hpasmcli -s "show temp"
sudo hpasmcli -s "show IML"
sudo hpasmcli -s "show fans"
sudo hpasmcli -s "show server"

sudo hpasmcli -s "show dimm"

sudo hpasmcli -s "set uid on"
sudo hpasmcli -s "set uid off"

HP ProLiant Servers - HPASMCLI Commands
https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c03474917

sudo hpasmcli -s "clear IML"

Clearing the log is useful if you purchased the system used. That way any issues that get logged now are from when you were using the system and not stale issues from before you had the system.

Is everyone here ready for the Monero hard fork tomorrow 10/18/2018?  

At this time I have one HP DL580 G7 w/4x E7-8837 Xeons and 8x Nvidia GTX 750's on the latest Xmr-Stak 2.5.1 running on Ubuntu Desktop 16.04. I am on the MoneroOcean pool and XMR-Stak is using "currency" : monero so that it auto switches to V8 at the time of the fork. If it turns out to be profitable after the fork when difficulty stabilizes I will bring up five more of these systems.

The above system hashes at 3533 H/s on V7 and 3231 H/s on V8 for a drop of 8.5%. I have been testing the V8 development over the last month and have gotten the hash rates for the 8x GTX 750's up from 970 H/s using the default configuration to 1696 H/s by tweaking the Nvidia config file. The default config is pretty worthless.

https://github.com/fireice-uk/xmr-stak/issues/1851#issuecomment-429557300

FYI: For those who are on older processors like the X5600 family I have seen major hash rate drop on V8. The Z400 system I have that is running dual Vega 56's will need to be decommissioned as the 2x Vega 56's drops hash rates from 1900 to 700+ H/s on each Vega 56 because of the X5660 processor. When I run Vega 56's on more modern processors (Haswell) the hash rate only drops 7.8%. This is on Windows 10 and Cast_XMR 1.5.0.

Never mind. I think I changed its worker name somewhere along the way...maybe that reset the counter on the supportxmr page

Quick question. I have been mining Monero since Jan. I have several PCs with GPUs.

So I have a Dell 5600 with 2 RX5600s. Here are the results from it from supportXMR
HR = 1.18 KH/s
1 HR avg = 1.05 KH/s
24 HR avg = 1.22 KH/s
Total = 3,216,958,344

I have another similar PC with 2 GX950s:
HR = 1.09 KH/s
1 HR avg = 813 H/s
24 HR avg = 831 H/s
Total = 12,769,325,933

So, these have been mining for very close to the same amount of time. Why are the totals so different? Is there anything I should check?

I am using xmr-stak 2.4.2 on both.

I have a third that I put online much later (like months) and it has already passed the 5600 on total mined. It is about 1/2 the hashrate.

Where I can see the list of masternodes and how much is the minimum cost of the masternode?

I've started with Stakenet, but now its price is about $2k - the payback of this masternode is in question

And how to choose a masternode? What about it's ROI? Recently, I read the article about masternodes, but, honestly saying, I did not really understand it's profit.

Mining is becoming increasingly difficult, so about a year ago I've discarded it in favour of masternodes, it's even easier than mining, although now it's becoming more and more unprofitable ...

If you have to buy mining equipment, it's not exactly the most profitable period for us.  It's actually a period where I believe many of us are forking over our cold hard cash to keep the miners going so we don't have to sell all the coins the miners earn to keep them going.  However, Webchain has been tasty in the last 24 hours for those of us who have been mining it for a bit.

Here's to 1000 sats soon ™