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Diskless Troubles....

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Sleepy_Steve

Member
Joined
Dec 3, 2004
Location
VT... or MD
I am trying to setup notfred's with 3 nodes. The nodes sit on a subnet coming from the servers second NIC. However something is not working right. I was hoping that some of you guys who have gotten it working might be able to give some pointers to my lost and n00bish self.

I intend to have it set up like this:
Code:
Home Network >> Nic_1 >> Server >> Nic_2 >> 5-Port Switch >> {{up to four nodes / layers}}



The server log identifies an error about not being able to find / create the file specified... and then eventually times out each of the nodes after the file not found issues. -- What is causing this, and how should i resolve the issue??

I "think" i have the second network card in the server set up right. To be the gateway for a subnet... otherwise i don't think i would have anything at all in the log file. -- Have I at least done that correctly??


** Note ** If you guys would like i can generate another log file and post it here as well to give a better idea of what's happening.
 
Hey Steve, I don't know if this is on your topic or not. I have a P4 2.60 OC'ed to 3 GHz something (with 1.5 GIG's of RAM, PC3200) and it's booting off of a 2 MB USB flash drive. I took the HD out, the video card out (it's got onboard video), the sides off (so I could put a 120 mm fan blowing on the cpu) and after doing a flash drive install the CDROM drive out. It's crunched two p2109's (I think that's the number, 157 pts). Right now it's crunching a p2125_lambda_5way_melt_4_10011 @ 89%. I've had absolutely no problemo's. It uses Damn Small Linux hooked to a DSL Internet connection. :)

Oh yeah, I think the p2109's took 16 mins something using one client and 26 mins something using two clients (HT) The melt, right now, is taking about 50 mins. :)
 
I can't help you with notfred, but I can tell you that in a Linux terminal server (LTSP), the server has to configured properly...generally it has to be told to assign IP addresses to the clients.

I think your network scheme is OK, but I know with LTSP it is also possible to just have the server on the same layer and it will assign IPs (although I somethimes get my main router assigning addresses as well, but that does not effect the operations).

When I set up my server, I have to tell it what kind of PXEs to expect, and what IP addresses to hand out. I set mine to DNS and MASQ. This may not be helpful at all since I am not familiar with notfred, but if it is Linux based, the guy to help you is Arkaine32...he wrote the software i use..Overclokix.

Good luck with your set up...

Junebug
 
Like dwschoon said, double check your setup with the guide again.

Follow it exactly. A couple of things come to mind.

Notfred does not recommend using two nic's.

Make sure "halt on errors" in bios is set to none for nodes.

Make sure nodes are network bootable and enabled in bios.

Set tftpd32 DHCP server to statically assign ip's for your nodes.

When you have time, post your tftpd32 log file.
 
Notfred's is windows bassed, and runs a diskless linux core on the nodes.

I was thinking of ditching the two nic's idea.

I will be able to more closely adhere to the instructions given once i am doing that.

Nodes are properly configured and tested. Halt on no errors, PXE boot enabled, etc.

I'll post the log file in a bit.

This is what i am planning on doing. Because there is obviously something wrong with the current setup.
From a PM between me and ghettocomp.
Sleepy_Steve said:
Now would it make sense to send the switch to an empty port on the wireless router that is basically the only DHCP server on the network?? That would give nodes the same IP scheme and allow access to the folding server right?? And then only PXE machines can boot from the server anyway.
That would get me an IP scheme something like this : 192.168.*.* for the nodes and then 192.168.1.* for the server -- Is that close enough??

As for hard coding IP's. My folding / teamspeak server is the only rig in the house with a static IP. And i have not had any problems with the other non-pxe machines trying to take that IP so long as i either boot that rig first, or make sure that is the only PC rebooting when it does.
 
I didn't know you were using a wireless router. If i remember correctly "sno.lcn" did/tried to setup his diskless farm on a wireless router. You might want to pm him.

If the rest of your home network is on the wireless router, then (probably) the simplest thing to do is get another router. Plug it into your existing network disable dhcp (as per guide) on that router only, and run your farm from behind that one only. (including server)

Setting tftpd32 DHCP server to statically assign ip's for your nodes is not mandatory, just a suggestion. If done then it doesn't matter how often or in what order they boot. (As long as tftpd32 is already running) They will only pick up assigned ip's. (Important, as backup files are based on ip)

Please note: I probably know the least about networking of anyone on this forum. Just trying to help.

Fold on !!
 
When i said wireless router... I mean its a router that runs both my Ethernet and wireless. The folding server and nodes would be working off the Ethernet so that i don't have to worry about issues with PXE over wireless. But its simplest to have just one DHCP server.
 
It is simplest to have the notfred setup running off only one dhcp. BUT, it seems the DHCP built into the TFTPD32 server has to be operating for the layers to pick up TFTPD Server address correctly.
After trying everything I could think of to have another dhcp server peacefully with my smoothie (also handling DHCP), I discovered that:
(1) for each new layer, I had to unplug (if using 2 nics) the server computer from the network until the Diskless OS started loading, then plug it back in before it started requesting Clients and other info from Stanford.

Then (2), I would follow the directions given by the author of TFTPD32 to have the address of that layer hard coded into the server computer registry. This way the DHCP of the diskless folding server is not needed. A bonus for doing it that way is that if your farm loses power for any reason, each layer having its MAC and IP hard coded, the layers can pick up from where they left off.

My experience has been that sometimes the diskless server gets somewhat confused and will assign a whole new ip to the layer. Then your WU is pretty much dead, unless you have another layer pick up that address and start folding it again.
 
Last edited:
Based on that ss, what do you see when you direct your web browser to : 169.254.224.22

"System cannot find file specified" mess is normal for a new node. It's looking for backup file based on that ip. Being a new node, there isn't one yet. System will auto backup every two hours.
 
Yeah, I was looking at my diskless directory on the server and saw backup files... guess it might have been working right all along. Oh well lol. :D

Forgot to direct a web browser to that IP from the server. I think maybe i should have.
 
w00t -- its working now, without using the second NIC.

running 3 instances on two layers. this is good, should save me some power and a little bit of hardware that i can re-use in my new PC.
Now i just kind of wish that i could put some SMP nodes onto it. But realistically, the best i can do is a couple old AMD XP's
 
Glad you got it working.

The next time you add a node, it'll take you all of 30 seconds.

It really is a easy/cheaper way to fold.

Fold on !! :attn:
 
Yes, thanks to all of you who helped me out with this. :beer:


It really is a cheaper way to farm esp if you are doing SMP farming which it now supports. Personally, I would think that GPU cant beat the cost per point of diskless SMP... although im not fortunate enough to run that as my only dual core box is my main rig :D

I need to pull one last file off my old tower thats acting as one of the nodes. Then i can rip all its jucey DVD drives and HDD's out of it and put them in the new tower... When i figure out how to get long enough drive cables into the beast... And find some decent 5.25in HDD bay enclosures in black. Oh wait.. why not rip out its sexy lian-li HDD cage as well?? YES, cannibalism saves me money once again!

And yeah, now that its running, it seems very simple, and i only need the server hooked into a UPS. I think i wont restart it till the server for the diskless nodes dies :burn:. Now, with that said.... Where can i still find AMD XP CPU's that might work with my old socket A mobo's of unknown dates and chipsets? Computer show maybe?? Man i wish i could make some time to run out there instead of packing for school and helping a friend of mine mod a case i truely love... Man i miss that old file server case he snagged.
/end_rant

On a somewhat related note. It seems i need some new folding goals for 2007. They were completed when i finsihed this. I guess i could breathe life into the old socket A boards for a couple more nodes. Or maybe a cheapo SMP box. I think I might go with the former though... I'd kinda rather waste my cash on tires for autox :bday:
 
Cool! Thanks ghetto!!

Now does anyone know what these errors in the log are? I have yet to get any points. And this log is taken from a rig at stock speeds. But the over clocked node shows a virtually identical log file. -- Niether one has finsihed a WU yet :rolleyes:

Code:
--- Opening Log file [January 11 13:28:27] 


# Linux Console Edition #######################################################
###############################################################################

                       Folding@Home Client Version 5.02

                          http://folding.stanford.edu

###############################################################################
###############################################################################

Launch directory: /etc/folding/1
Executable: ./FAH502-Linux.exe
Arguments: -local -forceasm -advmethods 

Warning:
 By using the -forceasm flag, you are overriding
 safeguards in the program. If you did not intend to
 do this, please restart the program without -forceasm.
 If work units are not completing fully (and particularly
 if your machine is overclocked), then please discontinue
 use of the flag.

[13:28:27] - Ask before connecting: No
[13:28:27] - User name: Sleepy_Steve (Team 32)
[13:28:27] - User ID not found locally
[13:28:27] + Requesting User ID from server
[13:28:28] - Machine ID: 1
[13:28:28] 
[13:28:28] Work directory not found. Creating...
[13:28:28] Could not open work queue, generating new queue...
[13:28:28] + Benchmarking ...
[21:28:21] - Preparing to get new work unit...
[21:28:21] + Attempting to get work packet
[21:28:21] - Connecting to assignment server
[21:28:22] - Successful: assigned to (171.65.103.68).
[21:28:22] + News From Folding@Home: Welcome to Folding@Home
[21:28:22] Loaded queue successfully.
[21:30:04] + Closed connections
[21:30:04] 
[21:30:04] + Processing work unit
[21:30:04] Core required: FahCore_a0.exe
[21:30:04] Core not found.
[21:30:04] - Core is not present or corrupted.
[21:30:04] - Attempting to download new core...
[21:30:04] + Downloading new core: FahCore_a0.exe
[21:30:05] + 10240 bytes downloaded
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[21:30:31] Verifying core Core_a0.fah...
[21:30:31] Signature is VALID
[21:30:31] 
[21:30:31] Trying to unzip core FahCore_a0.exe
[21:30:32] Decompressed FahCore_a0.exe (3145812 bytes) successfully
[21:30:32] + Core successfully engaged
[21:30:37] 
[21:30:37] + Processing work unit
[21:30:37] Core required: FahCore_a0.exe
[21:30:37] Core found.
[21:30:37] Working on Unit 01 [January 11 21:30:37]
[21:30:37] + Working ...
[21:30:37] 
[21:30:37] *------------------------------*
[21:30:37] Folding@Home Gromacs 3.3 Core
[21:30:37] Version 1.91 (September 13, 2006)
[21:30:37] 
[21:30:37] Preparing to commence simulation
[21:30:37] - Assembly optimizations manually forced on.
[21:30:37] - Not checking prior termination.
[21:30:38] - Expanded 3608663 -> 16858811 (decompressed 467.1 percent)
[21:30:38] - Starting from initial work packet
[21:30:38] 
[21:30:38] Project: 1487 (Run 0, Clone 643, Gen 3)
[21:30:38] 
[21:30:38] Assembly optimizations on if available.
[21:30:38] Entering M.D.
[21:30:45] Protein: p1487_DPPC_DOPC_CHOL
[21:30:45] Writing local files
[21:30:48] Warning:  long 1-4 interactions
[21:30:48] Writing local files
[21:30:48] Completed 0 out of 1000000 steps  (0%)
[21:54:45] CoreStatus = 8B (139)
[21:54:45] Client-core communications error: ERROR 0x8b
[21:54:45] Deleting current work unit & continuing...
[21:55:03] - Preparing to get new work unit...
[21:55:03] + Attempting to get work packet
[21:55:03] - Connecting to assignment server
[21:55:03] - Successful: assigned to (171.65.103.68).
[21:55:03] + News From Folding@Home: Welcome to Folding@Home
[21:55:03] Loaded queue successfully.
[21:56:53] + Closed connections
[21:56:58] 
[21:56:58] + Processing work unit
[21:56:58] Core required: FahCore_a0.exe
[21:56:58] Core found.
[21:56:58] Working on Unit 02 [January 11 21:56:58]
[21:56:58] + Working ...
[21:56:59] 
[21:56:59] *------------------------------*
[21:56:59] Folding@Home Gromacs 3.3 Core
[21:56:59] Version 1.91 (September 13, 2006)
[21:56:59] 
[21:56:59] Preparing to commence simulation
[21:56:59] - Assembly optimizations manually forced on.
[21:56:59] - Not checking prior termination.
[21:57:00] - Expanded 3229089 -> 17504365 (decompressed 542.0 percent)
[21:57:00] - Starting from initial work packet
[21:57:00] 
[21:57:00] Project: 1496 (Run 45, Clone 37, Gen 3)
[21:57:00] 
[21:57:00] Assembly optimizations on if available.
[21:57:00] Entering M.D.
[21:57:07] Protein: p1496_Protein in POPC
[21:57:07] Writing local files
[21:57:09] Writing local files
[21:57:10] Completed 0 out of 500000 steps  (0%)
[23:10:25] Writing local files
[23:10:25] Completed 5000 out of 500000 steps  (1%)
[00:24:16] Writing local files
[00:24:16] Completed 10000 out of 500000 steps  (2%)
[01:38:12] Writing local files
[01:38:12] Completed 15000 out of 500000 steps  (3%)
[02:52:13] Writing local files
[02:52:13] Completed 20000 out of 500000 steps  (4%)
[04:06:16] Writing local files
[04:06:16] Completed 25000 out of 500000 steps  (5%)
[05:20:19] Writing local files
[05:20:19] Completed 30000 out of 500000 steps  (6%)
[06:34:26] Writing local files
[06:34:26] Completed 35000 out of 500000 steps  (7%)
[07:48:32] Writing local files
[07:48:32] Completed 40000 out of 500000 steps  (8%)
[08:40:00] Gromacs error.
[08:40:00] 
[08:40:00] Folding@home Core Shutdown: UNKNOWN_ERROR
[08:40:00] CoreStatus = 79 (121)
[08:40:00] Client-core communications error: ERROR 0x79
[08:40:00] Deleting current work unit & continuing...
[08:40:17] - Preparing to get new work unit...
[08:40:17] + Attempting to get work packet
[08:40:17] - Connecting to assignment server
[08:40:17] - Successful: assigned to (171.65.103.68).
[08:40:17] + News From Folding@Home: Welcome to Folding@Home
[08:40:18] Loaded queue successfully.
[08:40:40] + Closed connections
[08:40:45] 
[08:40:45] + Processing work unit
[08:40:45] Core required: FahCore_a0.exe
[08:40:45] Core found.
[08:40:45] Working on Unit 03 [January 12 08:40:45]
[08:40:45] + Working ...
[08:40:46] 
[08:40:46] *------------------------------*
[08:40:46] Folding@Home Gromacs 3.3 Core
[08:40:46] Version 1.91 (September 13, 2006)
[08:40:46] 
[08:40:46] Preparing to commence simulation
[08:40:46] - Assembly optimizations manually forced on.
[08:40:46] - Not checking prior termination.
[08:40:47] - Expanded 3229120 -> 17504365 (decompressed 542.0 percent)
[08:40:47] - Starting from initial work packet
[08:40:47] 
[08:40:47] Project: 1496 (Run 45, Clone 12, Gen 7)
[08:40:47] 
[08:40:47] Assembly optimizations on if available.
[08:40:47] Entering M.D.
[08:40:54] Protein: p1496_Protein in POPC
[08:40:54] Writing local files
[08:40:56] Writing local files
[08:40:57] Completed 0 out of 500000 steps  (0%)
[09:54:40] Writing local files
[09:54:40] Completed 5000 out of 500000 steps  (1%)
[11:09:00] Writing local files
[11:09:00] Completed 10000 out of 500000 steps  (2%)
[12:23:29] Writing local files
[12:23:29] Completed 15000 out of 500000 steps  (3%)
[13:37:59] Writing local files
[13:37:59] Completed 20000 out of 500000 steps  (4%)
[14:52:37] Writing local files
[14:52:38] Completed 25000 out of 500000 steps  (5%)
[16:07:15] Writing local files
[16:07:15] Completed 30000 out of 500000 steps  (6%)
[17:21:47] Writing local files
[17:21:47] Completed 35000 out of 500000 steps  (7%)
[18:36:30] Writing local files
[18:36:31] Completed 40000 out of 500000 steps  (8%)
[19:51:13] Writing local files
[19:51:13] Completed 45000 out of 500000 steps  (9%)
[21:05:57] Writing local files
[21:05:57] Completed 50000 out of 500000 steps  (10%)
[22:20:41] Writing local files
[22:20:41] Completed 55000 out of 500000 steps  (11%)
[23:35:27] Writing local files
[23:35:27] Completed 60000 out of 500000 steps  (12%)
[00:50:19] Writing local files
[00:50:19] Completed 65000 out of 500000 steps  (13%)
[02:05:08] Writing local files
[02:05:08] Completed 70000 out of 500000 steps  (14%)
[03:19:55] Writing local files
[03:19:55] Completed 75000 out of 500000 steps  (15%)
[04:34:45] Writing local files
[04:34:46] Completed 80000 out of 500000 steps  (16%)
[04:59:27] CoreStatus = 8B (139)
[04:59:27] Client-core communications error: ERROR 0x8b
[04:59:27] - Attempting to download new core...
[04:59:27] + Downloading new core: FahCore_a0.exe
[04:59:28] + 10240 bytes downloaded
[04:59:28] + 20480 bytes downloaded
[04:59:28] + 30720 bytes downloaded
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[04:59:31] + 1177600 bytes downloaded
[04:59:31] + 1178911 bytes downloaded
[04:59:31] Verifying core Core_a0.fah...
[04:59:31] Signature is VALID
[04:59:31] 
[04:59:31] Trying to unzip core FahCore_a0.exe
[04:59:32] Decompressed FahCore_a0.exe (3145812 bytes) successfully
[04:59:32] + Core successfully engaged
[04:59:32] Deleting current work unit & continuing...
[04:59:49] - Preparing to get new work unit...
[04:59:49] + Attempting to get work packet
[04:59:49] - Connecting to assignment server
[04:59:49] - Successful: assigned to (171.65.103.68).
[04:59:49] + News From Folding@Home: Welcome to Folding@Home
[04:59:49] Loaded queue successfully.
[05:00:14] + Closed connections
[05:00:19] 
[05:00:19] + Processing work unit
[05:00:19] Core required: FahCore_a0.exe
[05:00:19] Core found.
[05:00:19] Working on Unit 04 [January 13 05:00:19]
[05:00:19] + Working ...
[05:00:19] 
[05:00:19] *------------------------------*
[05:00:19] Folding@Home Gromacs 3.3 Core
[05:00:19] Version 1.91 (September 13, 2006)
[05:00:19] 
[05:00:19] Preparing to commence simulation
[05:00:19] - Assembly optimizations manually forced on.
[05:00:19] - Not checking prior termination.
[05:00:20] - Expanded 3223912 -> 17508764 (decompressed 543.0 percent)
[05:00:20] - Starting from initial work packet
[05:00:20] 
[05:00:20] Project: 1496 (Run 24, Clone 19, Gen 10)
[05:00:20] 
[05:00:20] Assembly optimizations on if available.
[05:00:20] Entering M.D.
[05:00:27] Protein: p1496_Protein in POPC
[05:00:27] Writing local files
[05:00:30] Writing local files
[05:00:30] Completed 0 out of 500000 steps  (0%)
[06:14:08] Writing local files
[06:14:08] Completed 5000 out of 500000 steps  (1%)
[06:31:26] Gromacs error.
[06:31:26] 
[06:31:26] Folding@home Core Shutdown: UNKNOWN_ERROR
[06:31:26] CoreStatus = 79 (121)
[06:31:26] Client-core communications error: ERROR 0x79
[06:31:26] Deleting current work unit & continuing...
[06:31:43] - Preparing to get new work unit...
[06:31:43] + Attempting to get work packet
[06:31:43] - Connecting to assignment server
[06:31:44] - Successful: assigned to (171.65.103.68).
[06:31:44] + News From Folding@Home: Welcome to Folding@Home
[06:31:44] Loaded queue successfully.
[06:31:52] + Closed connections
[06:31:57] 
[06:31:57] + Processing work unit
[06:31:57] Core required: FahCore_a0.exe
[06:31:57] Core found.
[06:31:57] Working on Unit 05 [January 13 06:31:57]
[06:31:57] + Working ...
[06:31:57] 
[06:31:57] *------------------------------*
[06:31:57] Folding@Home Gromacs 3.3 Core
[06:31:57] Version 1.91 (September 13, 2006)
[06:31:57] 
[06:31:57] Preparing to commence simulation
[06:31:57] - Assembly optimizations manually forced on.
[06:31:57] - Not checking prior termination.
[06:31:58] - Expanded 882418 -> 3988659 (decompressed 452.0 percent)
[06:31:58] - Starting from initial work packet
[06:31:58] 
[06:31:58] Project: 1489 (Run 0, Clone 319, Gen 28)
[06:31:58] 
[06:31:58] Assembly optimizations on if available.
[06:31:58] Entering M.D.
[06:32:04] Protein: p1489_Protein_POPC
[06:32:04] Writing local files
[06:32:04] Writing local files
[06:32:04] Completed 0 out of 1000000 steps  (0%)
[06:56:56] Writing local files
[06:56:56] Completed 10000 out of 1000000 steps  (1%)
[07:21:47] Writing local files
[07:21:47] Completed 20000 out of 1000000 steps  (2%)
[07:46:38] Writing local files
[07:46:38] Completed 30000 out of 1000000 steps  (3%)
[08:11:30] Writing local files
[08:11:30] Completed 40000 out of 1000000 steps  (4%)
[08:36:21] Writing local files
[08:36:21] Completed 50000 out of 1000000 steps  (5%)
[09:01:12] Writing local files
[09:01:12] Completed 60000 out of 1000000 steps  (6%)
[09:26:05] Writing local files
[09:26:05] Completed 70000 out of 1000000 steps  (7%)
[09:50:57] Writing local files
[09:50:58] Completed 80000 out of 1000000 steps  (8%)
[10:15:49] Writing local files
[10:15:49] Completed 90000 out of 1000000 steps  (9%)
[10:40:36] Writing local files
[10:40:36] Completed 100000 out of 1000000 steps  (10%)
[11:05:27] Writing local files
[11:05:27] Completed 110000 out of 1000000 steps  (11%)
[11:30:17] Writing local files
[11:30:17] Completed 120000 out of 1000000 steps  (12%)
[11:55:08] Writing local files
[11:55:08] Completed 130000 out of 1000000 steps  (13%)
[12:20:02] Writing local files
[12:20:02] Completed 140000 out of 1000000 steps  (14%)
[12:44:54] Writing local files
[12:44:54] Completed 150000 out of 1000000 steps  (15%)
[13:09:44] Writing local files
[13:09:44] Completed 160000 out of 1000000 steps  (16%)
[13:34:36] Writing local files
[13:34:36] Completed 170000 out of 1000000 steps  (17%)
[13:59:31] Writing local files
[13:59:31] Completed 180000 out of 1000000 steps  (18%)
[14:24:22] Writing local files
[14:24:22] Completed 190000 out of 1000000 steps  (19%)
[14:49:14] Writing local files
[14:49:14] Completed 200000 out of 1000000 steps  (20%)
[15:14:06] Writing local files
[15:14:06] Completed 210000 out of 1000000 steps  (21%)
[15:39:00] Writing local files
[15:39:00] Completed 220000 out of 1000000 steps  (22%)
[16:03:53] Writing local files
[16:03:53] Completed 230000 out of 1000000 steps  (23%)
[16:28:45] Writing local files
[16:28:45] Completed 240000 out of 1000000 steps  (24%)
[16:53:37] Writing local files
[16:53:37] Completed 250000 out of 1000000 steps  (25%)
 
I can't tell exactly what those errors are but something isn't right with that rig.

I know you said it's running stock but.......I would start with looking at your memory and test from there.



Edit: If your sure the nodes are stable, did you enter the mac addy's of the nodes into registry?
 
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