iscsi multipath 문제
안녕하세요. 늘 구경만하던 초보회원 질문 올려봅니다.
CentOS 6.6 에서 iscsi 타겟 둘을 multipathing 하던 중 sda가 maptha 로 설정되어 wwid uuid black listing 하여 제거했으나 여전히 멀티패싱이 되지 않습니다.
포인트가 어디인지를 모르겠네요. 문제가 어디일까요?
[root@localhost ~]# multipath
[root@localhost ~]# multipath -ll
mpathb (3600144f09ee48300000054b75e950001) dm-0 NEXENTA,COMSTAR
size=4.0T features='0' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=1 status=active
| `- 7:0:0:0 sdb 8:16 active ready running
`-+- policy='round-robin 0' prio=1 status=enabled
`- 8:0:0:0 sdc 8:32 active ready running
[root@localhost ~]# multipath -v2
[root@localhost ~]# multipath -v3
Jan 16 14:02:51 | ram0: device node name blacklisted
Jan 16 14:02:51 | ram1: device node name blacklisted
Jan 16 14:02:51 | ram2: device node name blacklisted
Jan 16 14:02:51 | ram3: device node name blacklisted
Jan 16 14:02:51 | ram4: device node name blacklisted
Jan 16 14:02:51 | ram5: device node name blacklisted
Jan 16 14:02:51 | ram6: device node name blacklisted
Jan 16 14:02:51 | ram7: device node name blacklisted
Jan 16 14:02:51 | ram8: device node name blacklisted
Jan 16 14:02:51 | ram9: device node name blacklisted
Jan 16 14:02:51 | ram10: device node name blacklisted
Jan 16 14:02:51 | ram11: device node name blacklisted
Jan 16 14:02:51 | ram12: device node name blacklisted
Jan 16 14:02:51 | ram13: device node name blacklisted
Jan 16 14:02:51 | ram14: device node name blacklisted
Jan 16 14:02:51 | ram15: device node name blacklisted
Jan 16 14:02:51 | loop0: device node name blacklisted
Jan 16 14:02:51 | loop1: device node name blacklisted
Jan 16 14:02:51 | loop2: device node name blacklisted
Jan 16 14:02:51 | loop3: device node name blacklisted
Jan 16 14:02:51 | loop4: device node name blacklisted
Jan 16 14:02:51 | loop5: device node name blacklisted
Jan 16 14:02:51 | loop6: device node name blacklisted
Jan 16 14:02:51 | loop7: device node name blacklisted
Jan 16 14:02:51 | sda: not found in pathvec
Jan 16 14:02:51 | sda: mask = 0x3f
Jan 16 14:02:51 | sda: dev_t = 8:0
Jan 16 14:02:51 | sda: size = 8759746560
Jan 16 14:02:51 | sda: subsystem = scsi
Jan 16 14:02:51 | sda: vendor = IBM
Jan 16 14:02:51 | sda: product = ServeRAID M5110e
Jan 16 14:02:51 | sda: rev = 3.19
Jan 16 14:02:51 | sda: h:b:t:l = 0:2:0:0
Jan 16 14:02:51 | sda: serial = 007a808c1f419fa91bf83d9340600705
Jan 16 14:02:51 | sda: get_state
Jan 16 14:02:51 | sda: path checker = directio (config file default)
Jan 16 14:02:51 | sda: checker timeout = 90000 ms (sysfs setting)
Jan 16 14:02:51 | sda: state = running
Jan 16 14:02:51 | directio: starting new request
Jan 16 14:02:51 | directio: io finished 4096/0
Jan 16 14:02:51 | sda: state = 3
Jan 16 14:02:51 | sda: getuid = /lib/udev/scsi_id --whitelisted --device=/dev/%n (config file default)
Jan 16 14:02:51 | sda: uid = 36005076040933df81ba99f411f8c807a (callout)
Jan 16 14:02:51 | (null): (36005076040933df81ba99f411f8c807a) wwid blacklisted
Jan 16 14:02:51 | sr0: device node name blacklisted
Jan 16 14:02:51 | sdb: not found in pathvec
Jan 16 14:02:51 | sdb: mask = 0x3f
Jan 16 14:02:51 | sdb: dev_t = 8:16
Jan 16 14:02:51 | sdb: size = 8589934592
Jan 16 14:02:51 | sdb: subsystem = scsi
Jan 16 14:02:51 | sdb: vendor = NEXENTA
Jan 16 14:02:51 | sdb: product = COMSTAR
Jan 16 14:02:51 | sdb: rev = 1.0
Jan 16 14:02:51 | sdb: h:b:t:l = 7:0:0:0
Jan 16 14:02:51 | sdb: tgt_node_name = iqn.1986-03.com.sun:02:b2594277-3a46-64bb-8195-c31bd513d391
Jan 16 14:02:51 | sdb: serial = EHAD7LGL9
Jan 16 14:02:51 | sdb: get_state
Jan 16 14:02:51 | sdb: path checker = directio (config file default)
Jan 16 14:02:51 | sdb: checker timeout = 30000 ms (sysfs setting)
Jan 16 14:02:51 | sdb: state = running
Jan 16 14:02:51 | directio: starting new request
Jan 16 14:02:51 | directio: io finished 4096/0
Jan 16 14:02:51 | sdb: state = 3
Jan 16 14:02:51 | sdb: getuid = /lib/udev/scsi_id --whitelisted --device=/dev/%n (config file default)
Jan 16 14:02:51 | sdb: uid = 3600144f09ee48300000054b75e950001 (callout)
Jan 16 14:02:51 | sdb: state = running
Jan 16 14:02:51 | sdb: detect_prio = 1 (config file default)
Jan 16 14:02:51 | sdb: prio = const (config file default)
Jan 16 14:02:51 | sdb: const prio = 1
Jan 16 14:02:51 | dm-0: device node name blacklisted
Jan 16 14:02:51 | sdc: not found in pathvec
Jan 16 14:02:51 | sdc: mask = 0x3f
Jan 16 14:02:51 | sdc: dev_t = 8:32
Jan 16 14:02:51 | sdc: size = 8589934592
Jan 16 14:02:51 | sdc: subsystem = scsi
Jan 16 14:02:51 | sdc: vendor = NEXENTA
Jan 16 14:02:51 | sdc: product = COMSTAR
Jan 16 14:02:51 | sdc: rev = 1.0
Jan 16 14:02:51 | sdc: h:b:t:l = 8:0:0:0
Jan 16 14:02:51 | sdc: tgt_node_name = iqn.1986-03.com.sun:02:24bc5600-12f8-cbb4-ec15-b9421c965f29
Jan 16 14:02:51 | sdc: serial = EHAD7LGL9
Jan 16 14:02:51 | sdc: get_state
Jan 16 14:02:51 | sdc: path checker = directio (config file default)
Jan 16 14:02:51 | sdc: checker timeout = 30000 ms (sysfs setting)
Jan 16 14:02:51 | sdc: state = running
Jan 16 14:02:51 | directio: starting new request
Jan 16 14:02:51 | directio: io finished 4096/0
Jan 16 14:02:51 | sdc: state = 3
Jan 16 14:02:51 | sdc: getuid = /lib/udev/scsi_id --whitelisted --device=/dev/%n (config file default)
Jan 16 14:02:51 | sdc: uid = 3600144f09ee48300000054b75e950001 (callout)
Jan 16 14:02:51 | sdc: state = running
Jan 16 14:02:51 | sdc: detect_prio = 1 (config file default)
Jan 16 14:02:51 | sdc: prio = const (config file default)
Jan 16 14:02:51 | sdc: const prio = 1
===== paths list =====
uuid hcil dev dev_t pri dm_st chk_st vend/prod
3600144f09ee48300000054b75e950001 7:0:0:0 sdb 8:16 1 undef ready NEXENTA,C
3600144f09ee48300000054b75e950001 8:0:0:0 sdc 8:32 1 undef ready NEXENTA,C
Jan 16 14:02:51 | params = 0 0 2 1 round-robin 0 1 1 8:16 1 round-robin 0 1 1 8:32 1
Jan 16 14:02:51 | status = 2 0 0 0 2 1 A 0 1 0 8:16 A 0 E 0 1 0 8:32 A 0
[root@localhost ~]# mpathconf
multipath is enabled
find_multipaths is disabled
user_friendly_names is enabled
dm_multipath module is loaded
multipathd is chkconfiged off
[root@localhost ~]# mpathconf --with_chkconfig y
multipath is enabled
find_multipaths is disabled
user_friendly_names is enabled
dm_multipath module is loaded
multipathd is chkconfiged off
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