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Re: MSA 2052: Best practice on How to Implement Multipath and LVM on Red Hat High Availability Clust

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 ....please note multi-path configuration is no more depend on vendor. After red hat 5.5 it's native multipathing so configuration will be customer specific and vendor will not have any control in that.

inside multipathd.conf file "product" is nothing but to identify the MSA product that you are using where this config file will be applicable. It doesn't really matter if you mention or not. Now coming to what to mention if you really want to mention as best practice, you can mention as per your product model which can be either MSA2052 SAN or MSA2052 SAS. It doesn't really matter what kind of drives you are using.

some examples I have seen as below and one of them product details not mention as well,

defaults {
user_friendly_names               yes
polling_interval                        10
path_selector                           "round-robin 0"
path_grouping_policy             group_by_prio
prio                                          alua
path_checker                          tur
rr_min_io_rq                            100
flush_on_last_del                    no
max_fds                                  "max"
rr_weight                                uniform
failback                                   immediate
no_path_retry                        18
queue_without_daemon       no
}

device {
vendor                                  "HP"
product                                "MSA 2050"
path_grouping_policy          group_by_prio
uid_attribute                        "ID_SERIAL"
prio                                        alua
path_selector                       "round-robin 0"
path_checker                        tur
hardware_handler                "0"
failback                                  immediate
rr_weight                               uniform
rr_min_io_rq                          1
no_path_retry                       18
}

 

Hope this helps!
Regards
Subhajit

I am an HPE employee

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