[Spread-users] spread connection error

MAGNIER Emmanuel [EIFFAGE ENERGIE] Emmanuel.MAGNIER at eiffage.com
Mon May 15 03:05:08 EDT 2017


Hi John,

Thank you for explanations.

Using multicast may not be allowed by our customer network gear.

To the "first" spread.conf file previously sent, we added requested DebugFlags.

Please find attached logs files from 3 computers :
- *_traces.txt are log files made by spread.exe
- *_sptmonitor_log.txt are log files with the output of sptmonitor

Here's what we did :
- every daemons shutdown, GTC_T_PE1_PC3 and GTC_T_PA1_MAI  started => GTC_T_PE1_PC3_Traces.txt till line 192
- spuser started on both computers, we sent messages => GTC_T_PE1_PC3_Traces.txt till line 213
- daemon started on GTC_T_ARC => GTC_T_PE1_PC3_Traces.txt till line 339
- daemon started on GTC_T_ACQ_Q3 => GTC_T_PE1_PC3_Traces.txt till line 481

GTC_T_ACQ_Q3 is the 3rd started in Spread_Segment 172.23.164.255:4803, spread is no more working.
On GTC_T_PE1_PC3, i tried to start spuser and got this error :

=========================================================
D:\Specifique\Spread>spuser.exe
Spread library version is 4.4.0
SP_error: (-6) Connection rejected, name not unique

Bye.
=========================================================

I don't understand this error "name not unique". 
In the past, we also got "connection refused" error.

Please help us to find out what happen and how to make it works.

 Thank you

Best Regards

Emmanuel MAGNIER
Responsable d'études

Tél. : +33 (0)9 53 43 79 29

-----Message d'origine-----
De : John Lane Schultz [mailto:jschultz at spreadconcepts.com] 
Envoyé : mardi 2 mai 2017 16:43
À : MAGNIER Emmanuel [EIFFAGE ENERGIE] <Emmanuel.MAGNIER at eiffage.com>
Cc : spread-users at lists.spread.org; DELFOSSE Benjamin [EIFFAGE ENERGIE] <Benjamin.DELFOSSE at eiffage.com>
Objet : Re: [Spread-users] spread connection error

Hi Emmanuel, 

> How many segments should we use ?

Your segments should correspond to your LANs that support single-hop broadcast, or preferably, multicast transmission between all of the daemons in the segment.

> Which network masks/range ?

If your network gear supports it, then you should prefer to use multicast addresses for your segment addresses instead of broadcast addresses.  That is more efficient, in terms of interrupts for uninvolved machines on the network, and you don't have to worry about getting your network masking / addressing exactly correct.

> Are there any limits in spread use hit by our config ? (max segments, 
> max computer per segment, max computers in the whole config  .)

In 4.4, there should be no new limitations on the number of daemons you can have in a segment or in a configuration.  It is possible, however, that some Windows specific regressions may have been introduced at some point because we don't have a great environment in which to test large Windows deployments.

To better debug your problems, I'd need you to send some log file outputs from the daemons with the following debug flags enabled:

DebugFlags = { PRINT EXIT CONFIGURATION MEMBERSHIP }

If you could also run an sp_monitor at the same time and have it query the status of all the involved daemons and give me some of that output, that might help too.

Cheers!

-----
John Lane Schultz
Spread Concepts LLC
Cell: 443 838 2200

On Apr 28, 2017, at 8:34 AM, MAGNIER Emmanuel [EIFFAGE ENERGIE] <Emmanuel.MAGNIER at eiffage.com> wrote:

Dear spread users,
 
We're upgrading an old setup made with :
	. Spread 3
	. Windows XP computers
	. Windows 2003 computers
 
To this new setup :
	. Spread 4.4
	. Windows 10 computers
	. Windows 2016 computers
 
First spread.conf :
 
Spread_Segment 172.21.164.255:4803 {
                GTC_T_ACQ_Q1              172.21.164.10
                GTC_T_PE1_Q1 172.21.164.11 }
 
Spread_Segment 172.22.164.255:4803 {
                GTC_T_ACQ_Q2              172.22.164.10
                GTC_T_PE1_Q2 172.22.164.11
                GTC_T_PE1_PC3              172.22.164.15
                GTC_T_PE2_PC3              172.22.164.16
                GTC_T_BDD                       172.22.164.19
                GTC_T_ACQ_GTE            172.22.164.22
                GTC_T_PE3_CLI 172.22.164.23
                GTC_T_PE1_GTE             172.22.164.25
}
 
Spread_Segment 172.23.164.255:4803 {
                GTC_T_ACQ_Q3              172.23.164.10
                GTC_T_PE1_Q3 172.23.164.11
                GTC_T_PA1_MAI            172.23.164.15
                GTC_T_ARC                       172.23.164.24
}
 
Spread_Segment 172.24.164.255:4803 {
                GTC_T_ACQ_Q4              172.24.164.10
                GTC_T_PE1_Q4 172.24.164.11
                GTC_T_PA1_ADM           172.24.164.15
#             GTC_T_PA1_BDT             172.24.164.16
                GTC_T_PE1_CLI 172.24.164.18
                GTC_T_PE2_CLI 172.24.164.19
                GTC_T_AS1_Q4 172.24.164.25
                GTC_T_AS2_Q4 172.24.164.27
                GTC_T_PE4_CLI 172.24.164.28
                GTC_T_PE1_SI1 172.24.164.50
                VERDI                                   172.24.164.240
}
 
Spread_Segment 172.27.112.255:4803 {
                GTC_B_ACQ                      172.27.112.10
                GTC_B_PE1_PCS             172.27.112.13
                GTC_B_PA1_ADM          172.27.112.16
}
 
Spread_Segment 172.26.146.255:4803 {
                GTC_R_ACQ                      172.26.146.10
                GTC_R_PE1_CLI 172.26.146.12
                GTC_R_PA1_ADM          172.26.146.14
                GTC_R_PE1_GTE             172.26.146.18
}
 
 
Spread_Segment 172.28.116.255:4803 {
                GTC_A_PE1_PCS             172.28.116.12
                GTC_A_ACQ                      172.28.116.14
}
 
#Spread_Segment 172.20.16.255:4803 {
#             VERDI                   172.20.16.87
#}
 
DangerousMonitor = true
 
 
This doesn't work :
	. When starting spread.exe on more than 2 computers in the same segments OR
	. When starting spread.exe on more than 8 computers
 
We're getting "spread connection refused" error.
 
We tried this second spread.conf :
 
Spread_Segment 172.21.164.255:4803 {
                GTC_T_ACQ_Q1              172.21.164.10
                GTC_T_PE1_Q1 172.21.164.11 }
 
Spread_Segment 172.22.164.255:4803 {
                GTC_T_ACQ_Q2              172.22.164.10
                GTC_T_PE1_Q2 172.22.164.11 }
 
Spread_Segment 172.22.164.255:4803 {
                GTC_T_PE1_PC3              172.22.164.15
                GTC_T_PE2_PC3              172.22.164.16
}
 
Spread_Segment 172.22.164.255:4803 {
                GTC_T_BDD                       172.22.164.19
                GTC_T_ACQ_GTE            172.22.164.22
}
 
Spread_Segment 172.22.164.255:4803 {
                GTC_T_PE3_CLI 172.22.164.23
                GTC_T_PE1_GTE             172.22.164.25
}
 
Spread_Segment 172.23.164.255:4803 {
                GTC_T_ACQ_Q3              172.23.164.10
                GTC_T_PE1_Q3 172.23.164.11 }
 
Spread_Segment 172.23.164.255:4803 {
                GTC_T_PA1_MAI            172.23.164.15
                GTC_T_ARC                       172.23.164.24
}
 
Spread_Segment 172.24.164.255:4803 {
                GTC_T_ACQ_Q4              172.24.164.10
                GTC_T_PE1_Q4 172.24.164.11 }
 
Spread_Segment 172.24.164.255:4803 {
                GTC_T_PA1_ADM           172.24.164.15
#             GTC_T_PA1_BDT             172.24.164.16
}
 
Spread_Segment 172.24.164.255:4803 {
                GTC_T_PE1_CLI 172.24.164.18
                GTC_T_PE2_CLI 172.24.164.19 }
 
Spread_Segment 172.24.164.255:4803 {
                GTC_T_AS1_Q4 172.24.164.25
                GTC_T_AS2_Q4 172.24.164.27 }
 
Spread_Segment 172.24.164.255:4803 {
                GTC_T_PE4_CLI 172.24.164.28
                GTC_T_PE1_SI1 172.24.164.50 }
 
Spread_Segment 172.24.164.255:4803 {
                VERDI                                   172.24.164.240
}
 
Spread_Segment 172.27.112.255:4803 {
                GTC_B_ACQ                      172.27.112.10
                GTC_B_PE1_PCS             172.27.112.13
}
 
Spread_Segment 172.27.112.255:4803 {
                GTC_B_PA1_ADM          172.27.112.16
}
 
Spread_Segment 172.26.146.255:4803 {
                GTC_R_ACQ                      172.26.146.10
                GTC_R_PE1_CLI 172.26.146.12 }
 
Spread_Segment 172.26.146.255:4803 {
                GTC_R_PA1_ADM          172.26.146.14
                GTC_R_PE1_GTE             172.26.146.18
}
 
Spread_Segment 172.28.116.255:4803 {
                GTC_A_PE1_PCS             172.28.116.12
                GTC_A_ACQ                      172.28.116.14
}
 
#Spread_Segment 172.20.16.255:4803 {
#             VERDI                   172.20.16.87
#}
 
DangerousMonitor = true
 
 
It seems better with few computers (others aren't installed yet), but it's  still strange for us.
 
Please advise us about :
	. How many segments should we use ?
	. Which network masks/range ?
	. Are there any limits in spread use hit by our config ? (max segments, max computer per segment, max computers in the whole config  .)
 
Thank you for your help
 
Best Regards
 
Emmanuel MAGNIER
Responsable d'études
 
Tél. : +33 (0)9 53 43 79 29
 

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