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govind100
1 Copper

Native Multipath Error

Redhat is saying these errors are informational not actual errors, I kind of tend to disagree, Any thoughts?

We are using EMC VNX storage array with failovermode set to 4

Apr 17 20:17:06 alpflfs07-oam multipathd: fl_fs01_md2: load table [0 33554432 multipath 2 queue_if_no_path retain_attached_hw_handler 1 alua 2 1 round-robin 0 1 1 132:64 1 round-robin 0 1 1 69:16 1]

Apr 17 20:17:06 alpflfs07-oam kernel: sd 1:0:1:67: Asymmetric access state changed

Apr 17 20:17:06 alpflfs07-oam kernel: sd 1:0:1:81: Asymmetric access state changed

Apr 17 20:17:06 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 state N preferred supports tolUsNA

Apr 17 20:17:06 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 switched to state A

Apr 17 20:17:26 alpflfs07-oam kernel: sd 0:0:0:81: Asymmetric access state changed

Apr 17 20:17:26 alpflfs07-oam multipathd: fl_fs01_md2: load table [0 33554432 multipath 2 queue_if_no_path retain_attached_hw_handler 1 alua 2 1 round-robin 0 1 1 132:64 1 round-robin 0 1 1 69:16 1]

Apr 17 20:17:26 alpflfs07-oam kernel: sd 1:0:1:81: Asymmetric access state changed

Apr 17 20:17:26 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 state N preferred supports tolUsNA

Apr 17 20:17:26 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 switched to state A

Apr 17 20:17:46 alpflfs07-oam multipathd: fl_fs01_md2: load table [0 33554432 multipath 2 queue_if_no_path retain_attached_hw_handler 1 alua 2 1 round-robin 0 1 1 132:64 1 round-robin 0 1 1 69:16 1]

Apr 17 20:17:46 alpflfs07-oam kernel: sd 0:0:0:81: Asymmetric access state changed

Apr 17 20:17:46 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 state A preferred supports tolUsNA

Apr 17 20:18:06 alpflfs07-oam kernel: sd 0:0:0:79: Asymmetric access state changed

Apr 17 20:18:06 alpflfs07-oam multipathd: fl_fs01_md2: load table [0 33554432 multipath 2 queue_if_no_path retain_attached_hw_handler 1 alua 1 1 round-robin 0 2 1 132:64 1 69:16 1]

Apr 17 20:18:06 alpflfs07-oam kernel: sd 0:0:0:81: Asymmetric access state changed

Apr 17 20:18:06 alpflfs07-oam kernel: sd 1:0:1:81: Asymmetric access state changed

Apr 17 20:18:06 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 state N preferred supports tolUsNA

Apr 17 20:18:06 alpflfs07-oam kernel: sd 0:0:0:81: alua: port group 02 state A non-preferred supports tolUsNA

Apr 17 20:18:06 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 switched to state A

Apr 17 20:18:06 alpflfs07-oam kernel: sd 0:0:0:81: Asymmetric access state changed

Apr 17 20:18:26 alpflfs07-oam kernel: sd 1:0:1:79: Asymmetric access state changed

Apr 17 20:18:27 alpflfs07-oam kernel: sd 0:0:0:81: Asymmetric access state changed

Apr 17 20:18:27 alpflfs07-oam multipathd: fl_fs01_md2: load table [0 33554432 multipath 2 queue_if_no_path retain_attached_hw_handler 1 alua 2 1 round-robin 0 1 1 132:64 1 round-robin 0 1 1 69:16 1]

Apr 17 20:18:27 alpflfs07-oam kernel: sd 1:0:1:81: Asymmetric access state changed

Apr 17 20:18:27 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 state N preferred supports tolUsNA

Apr 17 20:18:27 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 switched to state A

Apr 17 20:18:47 alpflfs07-oam kernel: sd 0:0:0:81: Asymmetric access state changed

Apr 17 20:18:49 alpflfs07-oam SNMPCC: Hardware Manufacturer = HP

Apr 17 20:18:49 alpflfs07-oam SNMPCC: Hardware Product Name = ProLiant BL660c Gen8

Apr 17 20:18:49 alpflfs07-oam SNMPCC: Hardware Serial # = 3UI14472W2     

Apr 17 20:19:27 alpflfs07-oam kernel: sd 1:0:1:81: Asymmetric access state changed

Apr 17 20:19:27 alpflfs07-oam kernel: sd 0:0:0:81: Asymmetric access state changed

Apr 17 20:20:07 alpflfs07-oam kernel: sd 1:0:1:81: Asymmetric access state changed

Apr 17 20:20:07 alpflfs07-oam kernel: sd 0:0:0:81: Asymmetric access state changed

Apr 17 20:20:27 alpflfs07-oam kernel: sd 1:0:1:81: Asymmetric access state changed

Apr 17 20:20:27 alpflfs07-oam multipathd: fl_fs01_md2: load table [0 33554432 multipath 2 queue_if_no_path retain_attached_hw_handler 1 alua 2 1 round-robin 0 1 1 132:64 1 round-robin 0 1 1 69:16 1]

Apr 17 20:20:27 alpflfs07-oam kernel: sd 0:0:0:81: Asymmetric access state changed

Apr 17 20:20:27 alpflfs07-oam kernel: sd 1:0:1:81: Asymmetric access state changed

Apr 17 20:20:27 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 state N preferred supports tolUsNA

Apr 17 20:20:27 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 switched to state A

Apr 17 20:20:28 alpflfs07-oam multipathd: fl_fs01_md2: load table [0 33554432 multipath 2 queue_if_no_path retain_attached_hw_handler 1 alua 2 1 round-robin 0 1 1 132:64 1 round-robin 0 1 1 69:16 1]

Apr 17 20:20:28 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 state A preferred supports tolUsNA

Apr 17 20:20:48 alpflfs07-oam multipathd: fl_fs01_md2: load table [0 33554432 multipath 2 queue_if_no_path retain_attached_hw_handler 1 alua 1 1 round-robin 0 2 1 132:64 1 69:16 1]

Apr 17 20:20:48 alpflfs07-oam kernel: sd 0:0:0:81: Asymmetric access state changed

Apr 17 20:20:48 alpflfs07-oam kernel: sd 1:0:1:81: Asymmetric access state changed

Apr 17 20:20:48 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 state N preferred supports tolUsNA

Apr 17 20:20:48 alpflfs07-oam kernel: sd 0:0:0:81: alua: port group 02 state A non-preferred supports tolUsNA

Apr 17 20:20:48 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 switched to state A

Apr 17 20:21:08 alpflfs07-oam kernel: sd 0:0:0:81: Asymmetric access state changed

Apr 17 20:21:08 alpflfs07-oam kernel: sd 0:0:0:43: Asymmetric access state changed

Apr 17 20:21:08 alpflfs07-oam kernel: sd 0:0:0:81: Asymmetric access state changed

Apr 17 20:21:08 alpflfs07-oam kernel: sd 1:0:1:43: Asymmetric access state changed

Apr 17 20:21:08 alpflfs07-oam multipathd: fl_fs01_md2: load table [0 33554432 multipath 2 queue_if_no_path retain_attached_hw_handler 1 alua 2 1 round-robin 0 1 1 132:64 1 round-robin 0 1 1 69:16 1]

Apr 17 20:21:08 alpflfs07-oam kernel: sd 1:0:1:81: Asymmetric access state changed

Apr 17 20:21:08 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 state N preferred supports tolUsNA

Apr 17 20:21:08 alpflfs07-oam kernel: sd 1:0:1:81: alua: port group 01 switched to state A

Apr 17 20:21:28 alpflfs07-oam kernel: sd 0:0:0:75: Asymmetric access state changed

Apr 17 20:21:28 alpflfs07-oam kernel: sd 0:0:0:81: Asymmetric access state changed

Apr 17 20:21:28 alpflfs07-oam kernel: sd 1:0:1:75: Asymmetric access state changed

$ cat /etc/multipath.conf

devices {

      device {

      vendor "DGC"

      product ".*"

      product_blacklist "LUNZ"

      path_grouping_policy group_by_prio

      path_selector "round-robin 0"

      path_checker emc_clariion

      features "1 queue_if_no_path"

      hardware_handler "1 alua"

      prio alua

      failback immediate

      rr_weight uniform

      no_path_retry 60

      rr_min_io  1

      }

}

multipaths {

  multipath {

  wwid 36006016025f02c002444d9466a13e411

  alias fl_fs01_md1

  user_friendly_names no

  }

  multipath {

  wwid 36006016025f02c002544d9466a13e411

  alias fl_fs01_md2

  user_friendly_names no

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1 Reply
yszw
1 Copper

Re: Native Multipath Error

would u show the multipath -ll or multipath -v4.

what is the os verion?

and could you show the ralte information in dmesg.thanks.

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