Legacy HDS Forums

Multipath HDLM Driver for AIX 5.3

Discussion created by Legacy HDS Forums on Aug 7, 2012
Latest reply on Aug 9, 2012 by Legacy HDS Forums

Originally posted by: alekzzz



Hello All!
We have AIX 5.3 Server which connected to Hitachi Storage.
Installed HDLM driver and HDLM manager (Hitachi Dynamic Link Manager)


when I put command:
:/# dlnkmgr view -sys -msrv
HDLM Manager Ver WakeupTime
Dead KAPL01001-I The HDLM command completed normally. Operation name = view, completion time = 2012/07/04 13:03:28 ServerDB1:/# dlnkmgr view -sys -adrv HDLM Alert Driver Ver WakeupTime ElogMem Size Alive 05-61 2012/05/01 00:17:05 4000 KAPL01001-I The HDLM command completed normally. Operation name = view, completion time = 2012/07/04 13:03:39 ServerDB1:/# dlnkmgr view -sys -pdrv HDLM Driver Ver WakeupTime Alive 05-61 2012/05/01 00:17:06 KAPL01001-I The HDLM command completed normally. Operation name = view, completion time = 2012/07/04 13:03:58

it seems that HDLM manager not started, and when we start Manager by this command:
ServerDB1:/usr/DynamicLinkManager# startsrc -s DLMManager
0513-059 The DLMManager Subsystem has been started. Subsystem PID is 3285046.
ServerDB1:/# dlnkmgr view -sys -msrv
HDLM Manager Ver WakeupTime
Alive 05-61 2012/08/01 12:41:01
KAPL01001-I The HDLM command completed normally. Operation name = view, completion time = 2012/08/01 13:42:16 ServerDB1:/#

after that, HDLM show all pathes to LUNs

ServerDB1:/data04# dlnkmgr view -sys -sfunc
HDLM Version : 05-61
Service Pack Version :
Load Balance : on(rr)
Support Cluster :
Elog Level : 3
Elog File Size (KB) : 9900
Number Of Elog Files : 2
Trace Level : 0
Trace File Size (KB) : 1000
Number Of Trace Files : 4
Path Health Checking : on(30)
Auto Failback : off
Reservation Status : on(2)
Intermittent Error Monitor : off
KAPL01001-I The HDLM command completed normally. Operation name = view, completion time = 2012/08/01 12:41:44 ServerDB1:/data04# dlnkmgr view -path -c -srt lu
Paths:000016 OnlinePaths:000016
PathStatus IO-Count IO-Errors
Online 60272408 0

PathID DskName iLU CP Status Type
000000 HITACHI .DF600F .7234 0000 0A Online Own
000001 HITACHI .DF600F .7234 0000 1A Online Non
000002 HITACHI .DF600F .7234 0001 1A Online Own
000003 HITACHI .DF600F .7234 0001 0A Online Non
000004 HITACHI .DF600F .7234 0002 0A Online Own
000005 HITACHI .DF600F .7234 0002 1A Online Non
000006 HITACHI .DF600F .7234 0003 0A Online Non
000007 HITACHI .DF600F .7234 0003 1A Online Own
000008 HITACHI .DF600F .7234 0004 0A Online Own
000009 HITACHI .DF600F .7234 0004 1A Online Non
000010 HITACHI .DF600F .7234 0005 0A Online Non
000011 HITACHI .DF600F .7234 0005 1A Online Own
000012 HITACHI .DF600F .7234 0006 0A Online Own
000013 HITACHI .DF600F .7234 0006 1A Online Non
000014 HITACHI .DF600F .7234 0007 0A Online Non
000015 HITACHI .DF600F .7234 0007 1A Online Own
KAPL01001-I The HDLM command completed normally. Operation name = view, completion time = 2012/08/01 12:45:56
KAPL01001-I The HDLM command completed normally. Operation name = view, completion time = 2012/08/01 13:42:16 ServerDB1:/# dlnkmgr view -path
Paths:000016 OnlinePaths:000016
PathStatus IO-Count IO-Errors
Online 61307335 0

PathID PathName DskName iLU ChaPort Status Type IO-Count IO-Errors DNum HDevName
000000 08.09.00000000000000EF.000A HITACHI .DF600F .7234 0000 0A Online Own 7745412 0 0 dlmfdrv0
000001 08.05.00000000000000EF.000A HITACHI .DF600F .7234 0000 1A Online Non 0 0 0 dlmfdrv0
000002 08.05.00000000000000EF.000B HITACHI .DF600F .7234 0001 1A Online Own 7558618 0 0 dlmfdrv1
000003 08.09.00000000000000EF.000B HITACHI .DF600F .7234 0001 0A Online Non 0 0 0 dlmfdrv1
000004 08.09.00000000000000EF.000C HITACHI .DF600F .7234 0002 0A Online Own 7509592 0 0 dlmfdrv2
000005 08.05.00000000000000EF.000C HITACHI .DF600F .7234 0002 1A Online Non 0 0 0 dlmfdrv2
000006 08.09.00000000000000EF.000D HITACHI .DF600F .7234 0003 0A Online Non 0 0 0 dlmfdrv3

I would like to know, is the configuration without start HDLM manger working by two path(multipath)? or if I start HDLM manager after that multipath working correctly?

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