Receiving: 4B436A3D 0313233216 T H fscsi0 LINK ERROR Post: 302968901

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Operating Systems AIX Receiving: 4B436A3D 0313233216 T H fscsi0 LINK ERROR Post 302968901 by Devyn on Wednesday 16th of March 2016 12:07:54 AM

03-16-2016

Registered User

The max transmit unit on the QLA2464 is 2048 (Per QLA Boot BIOS ) and the max on the Emulex LP11002 is 2112 as reported by the above utility. (Hopefully it's correct, that software seems to be bit dated so not 100% sure of it's accuracy.)

I really haven't seen Jumbo Packets appear anywhere in any of the configs so thinking I'm safe on that side.

Along these lines, so far no one can comment if there is any incompatability between Emulex and QLogic. Would be curious to tap into those experiences to see if that could be the case.

Cheers,
DH

---------- Post updated at 11:44 PM ---------- Previous update was at 11:19 PM ----------

Here we go:

Code:

[ AIX root@mdsnim01:/devscan ] /usr/local/bin/devscan

devscan v1.0.5
Copyright (C) 2010-2012 IBM Corp., All Rights Reserved

cmd: /usr/local/bin/devscan
Current time: 2016-03-16 03:40:10.336709 GMT
Running on host: mdsnim01

<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Processing FC device:
    Adapter driver: fcs0
    Protocol driver: fscsi0
    Connection type: loop
    Link State: up
    Current link speed: 4 Gbps
    Local SCSI ID: 0x000001
    Local WWPN: 0x10000000c9621b82
    Local WWNN: 0x20000000c9621b82
    Device ID: df1000fd
    Microcode level: 271304

000002  0000000000000000 2101001b32a18121 2001001b32a18121
    Vendor ID: SCST_FIO     Device ID: MDSVIOro Rev:  311 NACA: no
    PDQ: Connected          PDT: Block (Disc)
    Name:           hdisk2  VG:           htpcvg
    Device already SCIOLSTARTed
    Status: Available

125 targets found, reporting 1 LUNs,
1 of which responded to SCIOLSTART.
Elapsed time this adapter: 01.044606 seconds

<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Processing FC device:
    Adapter driver: fcs1
    Protocol driver: fscsi1
    Connection type: none
    Local SCSI ID: 0x000000
    Device ID: df1000fd
    Microcode level: 271304

No targets found
Elapsed time this adapter: 00.125680 seconds

<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Processing iSCSI device:
    Protocol driver: iscsi0

No targets found
Elapsed time this adapter: 00.063027 seconds

Cleaning up...
Total elapsed time: 01.259561 seconds
Completed with error(s)

[ AIX root@mdsnim01:/devscan ]

Wondering why it's saying 125 targets found when only one exists and only one port of the Emulex is plugged into the QLogic port with only one file assigned as a backing device.

Cheers,
DH

---------- Post updated 03-16-16 at 12:07 AM ---------- Previous update was 03-15-16 at 11:44 PM ----------

Out of curiosity, what is the hex value of a 'target reset' that is sent to the target? Having difficulty finding that.

At the time that the failure occurs, there is no response from the target. The software doesn't log anything so it's hard to tell where the issue is.

Cheers,
DH

Last edited by Devyn; 03-17-2016 at 12:12 AM..

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LEARN ABOUT CENTOS

cgclear

CGCLEAR(1)							 libcgroup Manual							CGCLEAR(1)

NAME

       cgclear - unload the cgroup filesystem

SYNOPSIS

       cgclear [-e] [-l <filename>] [-L <directory>] [...]

DESCRIPTION

       Without	parameters,  this  command  moves all the tasks inside the various cgroups to the root cgroup, deletes all the cgroups and finally
       unmounts the cgroup filesystem from the system.

       If one or more config files are specified, only groups defined in the config files are removed. The files are processed in  reverse  order,
       i.e. the last file on command line is processed first, so cgclear can have the same command line arguments as appropriate cgconfigparser.

       -l, --load=<filename>
	      specifies the config file to read. This option can be used multiple times and can be mixed with -L option.

       -L, --load-directory=<directory>
	      specifies  the  directory,  which is searched for configuration files. All files in this directory will be processed in alphabetical
	      order as they were specified by -l option. This option can be used multiple times and can be mixed with -l option.

       -e     specifies that only empty groups should be removed. If a group defined in a config file has tasks inside or has a subgroup, it won't
	      be removed. This option works only with -l or -L options.

ENVIRONMENT VARIABLES

       CGROUP_LOGLEVEL
	      controls verbosity of the tool. Allowed values are DEBUG, INFO, WARNING or ERROR.

SEE ALSO

       cgconfigparser(1)

Linux								    2009-10-23								CGCLEAR(1)