storage:legacy
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| — | storage:legacy [2021/03/08 14:29] (current) – created - external edit 127.0.0.1 | ||
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| + | ====== Multipath ====== | ||
| + | < | ||
| + | yum install device-mapper-multipath | ||
| + | </ | ||
| + | |||
| + | ===== Mapping point ===== | ||
| + | |||
| + | < | ||
| + | |||
| + | ===== Initialize multipath.conf ===== | ||
| + | < | ||
| + | |||
| + | ===== Default Blacklist ===== | ||
| + | |||
| + | < | ||
| + | blacklist { | ||
| + | devnode " | ||
| + | } | ||
| + | </ | ||
| + | |||
| + | ===== Block devices under two paths ===== | ||
| + | < | ||
| + | defaults { | ||
| + | ... | ||
| + | find_multipaths yes | ||
| + | ... | ||
| + | } | ||
| + | </ | ||
| + | |||
| + | ===== ORACLE DB ===== | ||
| + | < | ||
| + | < | ||
| + | ls -lthr</ | ||
| + | |||
| + | grep scsi-xxxxxxxxxxxxxxxxxxx-part1 | ||
| + | |||
| + | < | ||
| + | devices { | ||
| + | device { | ||
| + | vendor " | ||
| + | product " | ||
| + | features " | ||
| + | hardware_handler " | ||
| + | prio " | ||
| + | no_path_retry 24 | ||
| + | path_grouping_policy " | ||
| + | path_checker " | ||
| + | failback immediate | ||
| + | rr_weight " | ||
| + | fast_io_fail_tmo 5 | ||
| + | dev_loss_tmo infinity | ||
| + | path_selector " | ||
| + | } | ||
| + | } | ||
| + | |||
| + | multipaths { | ||
| + | multipath { | ||
| + | wwid 36000d310042cbc000000000000000004 | ||
| + | alias DATA_01 | ||
| + | features "1 queue_if_no_path" | ||
| + | } | ||
| + | } | ||
| + | |||
| + | defaults { | ||
| + | no_path_retry | ||
| + | find_multipaths yes | ||
| + | user_friendly_names yes | ||
| + | polling_interval 5 | ||
| + | } | ||
| + | </ | ||
| + | DATA_01 should be ASM name | ||
| + | ===== Multipath info ===== | ||
| + | < | ||
| + | < | ||
| + | mpatha (36000d310042cbc000000000000000004) dm-2 COMPELNT, | ||
| + | size=500G features=' | ||
| + | `-+- policy=' | ||
| + | |- 7: | ||
| + | |- 7: | ||
| + | |- 16:0:0:1 sdd 8:48 active ready running | ||
| + | `- 16:0:2:1 sde 8:64 active ready running | ||
| + | </ | ||
storage/legacy.txt · Last modified: 2021/03/08 14:29 by 127.0.0.1