Hi Nir Soffer,
Thank for your reply
Indeed, the device fails immediately after it was reinstated.
There is my 'multipathd show config' dump :
defaults {
verbosity 2
polling_interval 5
max_polling_interval 20
reassign_maps "no"
multipath_dir "/lib64/multipath"
path_selector "service-time 0"
path_grouping_policy "failover"
uid_attribute "ID_SERIAL"
prio "const"
prio_args ""
features "0"
path_checker "tur"
alias_prefix "mpath"
failback "manual"
rr_min_io 1000
rr_min_io_rq 1
max_fds 4096
rr_weight "uniform"
no_path_retry 16
queue_without_daemon "no"
flush_on_last_del "yes"
user_friendly_names "no"
fast_io_fail_tmo 5
dev_loss_tmo 60
bindings_file "/etc/multipath/bindings"
wwids_file "/etc/multipath/wwids"
prkeys_file "/etc/multipath/prkeys"
log_checker_err always
all_tg_pt "no"
retain_attached_hw_handler "yes"
detect_prio "yes"
detect_checker "yes"
force_sync "no"
strict_timing "no"
deferred_remove "no"
config_dir "/etc/multipath/conf.d"
delay_watch_checks "no"
delay_wait_checks "no"
san_path_err_threshold "no"
san_path_err_forget_rate "no"
san_path_err_recovery_time "no"
marginal_path_err_sample_time "no"
marginal_path_err_rate_threshold "no"
marginal_path_err_recheck_gap_time "no"
marginal_path_double_failed_time "no"
find_multipaths "on"
uxsock_timeout 4000
retrigger_tries 3
retrigger_delay 10
missing_uev_wait_timeout 30
skip_kpartx "no"
disable_changed_wwids ignored
remove_retries 0
ghost_delay "no"
find_multipaths_timeout -10
enable_foreign ""
marginal_pathgroups "no"
}
blacklist {
devnode "!^(sd[a-z]|dasd[a-z]|nvme[0-9])"
wwid "36f402700f232e40026b41bd43a0812e5"
protocol "(scsi:adt|scsi:sbp)"
...
}
blacklist_exceptions {
protocol "scsi:sas"
}
devices {
...
device {
vendor "COMPELNT"
product "Compellent Vol"
path_grouping_policy "multibus"
no_path_retry "queue"
}
...
}
overrides {
no_path_retry 16
}
And there is my scsi disks (sdb & sdc disks) :
[root@anarion-adm ~]# lsscsi -l
[0:2:0:0] disk DELL PERC H330 Adp 4.30 /dev/sda
state=running queue_depth=256 scsi_level=6 type=0 device_blocked=0 timeout=90
[1:0:0:2] disk COMPELNT Compellent Vol 0704 /dev/sdb
state=running queue_depth=254 scsi_level=6 type=0 device_blocked=0 timeout=30
[1:0:1:2] disk COMPELNT Compellent Vol 0704 /dev/sdc
state=running queue_depth=254 scsi_level=6 type=0 device_blocked=0 timeout=30
My disk configuration is present in multipath, and the DELLEMC documentation &
white paper don't specifying exotics configuration for multipathd. (I'm wrong ?)
I looked modules for SAS & FCP driver, they look good :
[root@anarion-adm ~]# lsmod | grep sas
mpt3sas 303104 4
raid_class 16384 1 mpt3sas
megaraid_sas 172032 2
scsi_transport_sas 45056 1 mpt3sas
[root@anarion-adm ~]# lsmod | grep fc
bnx2fc 110592 0
cnic 69632 1 bnx2fc
libfcoe 77824 2 qedf,bnx2fc
libfc 147456 3 qedf,bnx2fc,libfcoe
scsi_transport_fc 69632 3 qedf,libfc,bnx2fc
Do you think my device is misconfigured? should I check on the vendor side?
Another idea ? :)
Regards,
Benoit Chatelain
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