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VNX 5300 & Redhat Enterprise 5.7 Unisphere Host Agent Issue
Hi guys,
I have vnx5300 block storage and Linux server which installed Oracle. There are two HBA on the server and i have installed powerpath with licence and unisphere host agent.
But, on storage host interface i get an error as below ;
I have installed ;
HostAgent-Linux-64-x86-en_US-1.1.30.1.0090-1.x86_64.rpm
EMCPower.LINUX-5.6.0.02.00-001.OL57.x86_64.rpm
I have configured agent.config files and agentID.txt as below ;
---agent.config---
user system@SPAIP
user system@SPBIP
-- agentID.txt----
rac1.contoso.com
192.5.5.5
when i try to start hostagent service following command i get an error ;
[root@rac1 Unisphere]# service hostagent stop
Shutting down hostagent: [ OK ]
[root@rac1 Unisphere]# service hostagent start
Starting Navisphere agent: FATAL: Module sg not found. [ OK ]
what's wrong ?
dynamox
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April 3rd, 2012 08:00
what if you delete everything from agent.config ..will the service start ?
Y_lmaz
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April 4th, 2012 01:00
Hi,
i deleted everything from agent.config. now agent.config file is empty. but still i'm getting same error.
[root@rac2 Unisphere]# service hostagent stop
Shutting down hostagent: [ OK ]
[root@rac2 Unisphere]# service hostagent start
Starting Navisphere agent: FATAL: Module sg not found. [ OK ]
But ;
[root@rac2 Unisphere]# service hostagent status
hostagent (pid 32731) is running...
Y_lmaz
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April 4th, 2012 04:00
i could not see hostagent service in "ps -ef" when i stopped it.
dynamox
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April 4th, 2012 04:00
do you see hostagent in "ps -ef" after you run "service hostagent stop" ...if you do can you kill that process and try to start it again.
christopher_ime
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April 5th, 2012 00:00
Are you able to load sg (SCSI Generic) module manually and then can you restart the agent?
/sbin/insmod -k -v sg
If so, then search the EMC KB articles for the specific error you received. There are several hits providing recommendations to load it upon boot (and then start hostagent).
Y_lmaz
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April 5th, 2012 05:00
i tried to install sg but module could not be found.
[root@rac sbin]# insmod -k -v sg
insmod: can't read '-k': No such file or directory
[root@rac sbin]# insmod -k -v sg.o
insmod: can't read '-k': No such file or directory
[root@rac sbin]# modprobe -k -v sg
FATAL: Module sg not found.
[root@rac sbin]# modprobe -k -v sg.o
FATAL: Module sg.o not found.
[root@rac sbin]#
christopher_ime
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April 7th, 2012 21:00
The output suggests that it simply doesn't exist and not a case that it isn't loading which was what I was thinking. Host Agent requires the sg driver so I would suggest maybe following up with Red Hat? Feel free also to open up a ticket with EMC if you haven't already to see if they have any suggestions.
gblotter
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July 12th, 2012 19:00
I'm hitting the same problem on Oracle Linux 5.7 (compatible with RedHat Enterprise Linux 5.7).
Has any resolution been determined?