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The error suggests that you have not properly configured your devices and need to check your multipath.conf file.
I copied "HP P2000 FC / P2000 FC/iSCSI" lines from following URL,
So what is missing in my configuration? is there any recommendation ?
A lot can go wrong between instructions and what actually ends up to be configured. Please me more specific as to what you actually configured or applied.
Does your configuration file contain any non-printing characters or smart quotes, etc.?
# cat -vet multipath.conf
Is the multipathd daemon running?
# service multipathd status
What is your output of:
# multipath -ll
Are you using the RHEL or Oracle UEK kernel?
# uname -r
Have you tried booting the system using the RHEL kernel?
What else did you configure or install according to the instructions?
Thanks for your reply
# service multipathd status --> ok, service is running
# multipath -ll --> output is empty
# uname -r --> I don't have this output
but cat -vet multipath.conf shows illegal chars, If customer could prepare a downtime plan I will change and then apply newconfig, good guess
I will let you know about result
You shouldn't need to take a downtime to make changes to the multipath.conf file and reload the config.