Tuesday, October 31, 2017

Brocade FOS 8.1 Sfc Was Rejected: Remote Switch Unable To Process

Hi All!

We have 2 fabrics on Brocade 6520 core and Brocade 16Gbps edges (IBM chassiss switches):
(ip, wwn and names are fake here)
> fabricshow
Switch ID Worldwide Name Enet IP Addr FC IP Addr Name
-------------------------------------------------------------------------
1: fffc01 10:00:00:00:f8:00:9e:11 192.168.1.61 0.0.0.0 "core01"
2: fffc02 10:00:00:00:f8:00:a0:12 192.168.1.191 0.0.0.0 >"core02_principal"
21: fffc15 10:00:00:00:f8:00:17:10 192.168.1.137 0.0.0.0 "edge01"
22: fffc16 10:00:00:00:f8:00:c8:09 192.168.1.177 0.0.0.0 "edge02"
23: fffc17 10:00:00:00:f8:00:a2:08 192.168.1.117 0.0.0.0 "edge03"
24: fffc18 10:00:00:00:f8:00:3e:07 192.168.1.234 0.0.0.0 "edge04"
25: fffc19 10:00:00:00:f8:00:23:06 192.168.1.59 0.0.0.0 "edge05"
26: fffc1a 10:00:50:00:1a:00:6e:05 192.168.1.214 0.0.0.0 "edge06"
27: fffc1b 10:00:00:00:f8:00:ce:04 192.168.1.54 0.0.0.0 "edge07"
28: fffc1c 10:00:00:00:f8:00:b4:03 192.168.1.74 0.0.0.0 "edge08"
29: fffc1d 10:00:00:00:f8:00:43:02 192.168.1.41 0.0.0.0 "edge09"
30: fffc1e 10:00:00:00:f8:00:88:01 192.168.1.43 0.0.0.0 "edge10"
31: fffc1f 10:00:00:00:f8:00:de:00 192.168.1.30 0.0.0.0 "edge11"
The Fabric has 13 switches

Topology:

Host - edge - core  - storage
                   \   | |     /
                    \ core /

Each edge switch connected to each core switch by 1 ISL, cores have 2x2x16Gbps trunks between them.

I have upgraded switches from 7.4.1c to 8.1.1a through 8.0.2c - everythink goes fine without problems.

Next day i had a sutuation where all switches in fabric, except principal, lost all configs except active. And after i made changes on principal switch to active config and tried to enable it i recieved an error from cfgenable:
Sfc Was Rejected: Remote Switch Unable To Process

errdump from core02_principal:
2017/10/31-07:46:46, [RCS-1006], 5325, FID 128, INFO, core02_principal, State 2, Application Zoning AD0, RCS CM. Domain 1 returned 0x8. App Response Code 3.
2017/10/31-07:46:46, [RCS-1006], 5326, FID 128, INFO, core02_principal, State 2, Application Zoning AD0, RCS CM. Domain 21 returned 0x8. App Response Code 3.
2017/10/31-07:46:46, [RCS-1006], 5327, FID 128, INFO, core02_principal, State 2, Application Zoning AD0, RCS CM. Domain 22 returned 0x8. App Response Code 3.
2017/10/31-07:46:46, [RCS-1006], 5328, FID 128, INFO, core02_principal, State 2, Application Zoning AD0, RCS CM. Domain 24 returned 0x8. App Response Code 3.
2017/10/31-07:46:46, [RCS-1006], 5329, FID 128, INFO, core02_principal, State 2, Application Zoning AD0, RCS CM. Domain 23 returned 0x8. App Response Code 3.
2017/10/31-07:46:46, [RCS-1006], 5330, FID 128, INFO, core02_principal, State 2, Application Zoning AD0, RCS CM. Domain 25 returned 0x8. App Response Code 3.
2017/10/31-07:46:46, [RCS-1006], 5331, FID 128, INFO, core02_principal, State 2, Application Zoning AD0, RCS CM. Domain 26 returned 0x8. App Response Code 3.
2017/10/31-07:46:46, [RCS-1006], 5332, FID 128, INFO, core02_principal, State 2, Application Zoning AD0, RCS CM. Domain 28 returned 0x8. App Response Code 3.
2017/10/31-07:46:46, [RCS-1006], 5333, FID 128, INFO, core02_principal, State 2, Application Zoning AD0, RCS CM. Domain 27 returned 0x8. App Response Code 3.
2017/10/31-07:46:46, [RCS-1006], 5334, FID 128, INFO, core02_principal, State 2, Application Zoning AD0, RCS CM. Domain 30 returned 0x8. App Response Code 3.
2017/10/31-07:46:46, [RCS-1006], 5335, FID 128, INFO, core02_principal, State 2, Application Zoning AD0, RCS CM. Domain 31 returned 0x8. App Response Code 3.
2017/10/31-07:46:46, [RCS-1006], 5336, FID 128, INFO, core02_principal, State 2, Application Zoning AD0, RCS CM. Domain 29 returned 0x8. App Response Code 3.
2017/10/31-07:46:46, [ZONE-1019], 5337, FID 128, ERROR, core02_principal, Transaction Commit failed. Reason code 3 (3) - "Sfc Was Rejected: Remote Switch Unable To Process".

errdump from core01:
2017/10/31-07:38:42, [RCS-1005], 241148, FID 128, INFO, core01_principal, Phase 9, Zoning Application returned Sfc Was Rejected: Remote Switch Unable To Process, 0x3000008.

cfgactvshow shows different members in principal and other switches.
Traffig goes normally, except those diffs.

I disabeld all links on edge01 (traffic disruptive action) and enabled only edge01->core02_principal i saw Zone Conflict on that port in switchshow. Then i rejoined switch to fabric (cleared its config).
After that i went to core02_principal end reenabled my config - and that works!

I don't know what problem in FOS 8.1 or upgrade process led to that situation.
Community should know that its possible - all info that i saw in google goes to FOS 6.2 and earlier.

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Tuesday, August 01, 2006

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