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[dm-devel] checker msg is "emc_clariion_checker: Path not correctly configured for failover"



Hi

I've recently added an EMC CX3-80 ... And provisioned volumes to my
RHEL4-4 running with multipath tools v4.7.

I've added the recommend settings by EMC for the CX to the
multipath.conf file (below) but I am seeing the following errors;

devices {
## Device attributes requirements for EMC Symmetrix
## are part of the default definitions and do not require separate
## definition.
## Device attributes for EMC CLARiiON
device {
vendor "DGC "
product "*"
path_grouping_policy group_by_prio
getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
prio_callout "/sbin/mpath_prio_emc /dev/%n"
path_checker emc_clariion
path_selector "round-robin 0"
features "1 queue_if_no_path"
no_path_retry 300
hardware_handler "1 emc"
failback immediate
}
}

error calling out /sbin/scsi_id -g -u -s /block/sda
sdd: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sde: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdf: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdg: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdh: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdi: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdj: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdk: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdl: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdm: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdn: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdo: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdd: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdg: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdj: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdm: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sde: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdh: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdk: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdn: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdf: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdi: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdl: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
sdo: checker msg is "emc_clariion_checker: Path not correctly configured
for failover"
[root ldm1066 log]# multipath -F

I'm thinking this is a configuration issue on the CX ... 

Any comments / suggestions?

Thanks,
Paul


Messages show the following;

[root ldm1066 log]# tail -50 ./messages
Nov 15 11:00:50 localhost last message repeated 2 times
Nov 15 11:05:02 localhost kernel: device-mapper: dm-emc: long trespass
command will be send
Nov 15 11:05:02 localhost kernel: device-mapper: dm-emc: honor
reservation bit will not be set (default)
Nov 15 11:05:02 localhost kernel: device-mapper: dm-emc: emc_pg_init:
sending switch-over command
Nov 15 11:05:02 localhost kernel: Device sdl not ready.
Nov 15 11:05:02 localhost kernel: end_request: I/O error, dev sdl,
sector 72
Nov 15 11:05:02 localhost kernel: device-mapper: dm-multipath: Failing
path 8:176.
Nov 15 11:38:16 localhost sshd(pam_unix)[7939]: session opened for user
root by (uid=0)
Nov 15 11:43:39 localhost kernel: device-mapper: dm-emc: long trespass
command will be send
Nov 15 11:43:39 localhost kernel: device-mapper: dm-emc: honor
reservation bit will not be set (default)
Nov 15 11:43:40 localhost kernel: device-mapper: dm-emc: long trespass
command will be send
Nov 15 11:43:40 localhost kernel: device-mapper: dm-emc: honor
reservation bit will not be set (default)
Nov 15 11:43:40 localhost kernel: device-mapper: dm-emc: long trespass
command will be send
Nov 15 11:43:40 localhost kernel: device-mapper: dm-emc: honor
reservation bit will not be set (default)
Nov 15 11:43:40 localhost kernel: device-mapper: dm-emc: emc_pg_init:
sending switch-over command
Nov 15 11:43:40 localhost kernel: device-mapper: dm-emc: emc_pg_init:
sending switch-over command
Nov 15 11:43:40 localhost kernel: Device sdl not ready.
Nov 15 11:43:40 localhost kernel: end_request: I/O error, dev sdl,
sector 72
Nov 15 11:43:40 localhost kernel: device-mapper: dm-multipath: Failing
path 8:176.
Nov 15 11:43:40 localhost kernel: Device sdj not ready.
Nov 15 11:43:40 localhost kernel: end_request: I/O error, dev sdj,
sector 72
Nov 15 11:43:40 localhost kernel: device-mapper: dm-multipath: Failing
path 8:144.
Nov 15 11:43:41 localhost kernel: device-mapper: dm-emc: emc_pg_init:
sending switch-over command
Nov 15 11:43:41 localhost kernel: Device sdk not ready.
Nov 15 11:43:41 localhost kernel: end_request: I/O error, dev sdk,
sector 72
Nov 15 11:43:41 localhost kernel: device-mapper: dm-multipath: Failing
path 8:160.
Nov 15 12:19:34 localhost kernel: device-mapper: dm-emc: long trespass
command will be send
Nov 15 12:19:34 localhost kernel: device-mapper: dm-emc: honor
reservation bit will not be set (default)
Nov 15 12:19:34 localhost kernel: device-mapper: dm-emc: long trespass
command will be send
Nov 15 12:19:34 localhost kernel: device-mapper: dm-emc: honor
reservation bit will not be set (default)
Nov 15 12:19:34 localhost kernel: device-mapper: dm-emc: long trespass
command will be send
Nov 15 12:19:34 localhost kernel: device-mapper: dm-emc: honor
reservation bit will not be set (default)
Nov 15 12:19:34 localhost kernel: device-mapper: dm-emc: emc_pg_init:
sending switch-over command
Nov 15 12:19:34 localhost kernel: Device sdl not ready.
Nov 15 12:19:34 localhost kernel: end_request: I/O error, dev sdl,
sector 72
Nov 15 12:19:34 localhost kernel: device-mapper: dm-multipath: Failing
path 8:176.
Nov 15 12:19:34 localhost kernel: Device sdl not ready.
Nov 15 12:19:34 localhost kernel: end_request: I/O error, dev sdl,
sector 209715192
Nov 15 12:19:35 localhost kernel: device-mapper: dm-emc: emc_pg_init:
sending switch-over command
Nov 15 12:19:35 localhost kernel: Device sdj not ready.
Nov 15 12:19:35 localhost kernel: end_request: I/O error, dev sdj,
sector 72
Nov 15 12:19:35 localhost kernel: device-mapper: dm-multipath: Failing
path 8:144.
Nov 15 12:19:35 localhost kernel: Device sdj not ready.
Nov 15 12:19:35 localhost kernel: end_request: I/O error, dev sdj,
sector 209715192
Nov 15 12:19:35 localhost kernel: device-mapper: dm-emc: emc_pg_init:
sending switch-over command
Nov 15 12:19:35 localhost kernel: Device sdk not ready.
Nov 15 12:19:35 localhost kernel: end_request: I/O error, dev sdk,
sector 72
Nov 15 12:19:35 localhost kernel: device-mapper: dm-multipath: Failing
path 8:160.
Nov 15 12:19:35 localhost kernel: Device sdk not ready.
Nov 15 12:19:35 localhost kernel: end_request: I/O error, dev sdk,
sector 209715192
[root ldm1066 log]# time



devices {
## Device attributes requirements for EMC Symmetrix
## are part of the default definitions and do not require separate
## definition.
## Device attributes for EMC CLARiiON
device {
vendor "DGC "
product "*"
path_grouping_policy group_by_prio
getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
prio_callout "/sbin/mpath_prio_emc /dev/%n"
path_checker emc_clariion
path_selector "round-robin 0"
features "1 queue_if_no_path"
no_path_retry 300
hardware_handler "1 emc"
failback immediate
}
}


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