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Full Discussion: Scan and create file systems in new LUNs
Operating Systems Linux Ubuntu Scan and create file systems in new LUNs Post 302956440 by fretagi on Wednesday 30th of September 2015 03:03:46 AM
Old 09-30-2015
please see the outputs of the commands:

Code:
root@cmoveldb02:~# dmsetup info
Name:              cmovel--db02-swap_1
State:             ACTIVE
Read Ahead:        256
Tables present:    LIVE
Open count:        2
Event number:      0
Major, minor:      252, 1
Number of targets: 1
UUID: LVM-yrAv2YJL6WHciOiYQFvZgru1Jtl6vM2pmKypDknOQh3HwDfaZddnG6uJgB7ULMmh

Name:              cmovel--db02-root
State:             ACTIVE
Read Ahead:        256
Tables present:    LIVE
Open count:        1
Event number:      0
Major, minor:      252, 0
Number of targets: 1
UUID: LVM-yrAv2YJL6WHciOiYQFvZgru1Jtl6vM2p2MaakDmReoiXqrjs4EjaasdyB0TuwAjd

root@cmoveldb02:~#

and

Code:
root@cmoveldb02:~# multipath -v3
Sep 30 09:02:53 | ram0: device node name blacklisted
Sep 30 09:02:53 | ram1: device node name blacklisted
Sep 30 09:02:53 | ram2: device node name blacklisted
Sep 30 09:02:53 | ram3: device node name blacklisted
Sep 30 09:02:53 | ram4: device node name blacklisted
Sep 30 09:02:53 | ram5: device node name blacklisted
Sep 30 09:02:53 | ram6: device node name blacklisted
Sep 30 09:02:53 | ram7: device node name blacklisted
Sep 30 09:02:53 | ram8: device node name blacklisted
Sep 30 09:02:53 | ram9: device node name blacklisted
Sep 30 09:02:53 | ram10: device node name blacklisted
Sep 30 09:02:53 | ram11: device node name blacklisted
Sep 30 09:02:53 | ram12: device node name blacklisted
Sep 30 09:02:53 | ram13: device node name blacklisted
Sep 30 09:02:53 | ram14: device node name blacklisted
Sep 30 09:02:53 | ram15: device node name blacklisted
Sep 30 09:02:53 | loop0: device node name blacklisted
Sep 30 09:02:53 | loop1: device node name blacklisted
Sep 30 09:02:53 | loop2: device node name blacklisted
Sep 30 09:02:53 | loop3: device node name blacklisted
Sep 30 09:02:53 | loop4: device node name blacklisted
Sep 30 09:02:53 | loop5: device node name blacklisted
Sep 30 09:02:53 | loop6: device node name blacklisted
Sep 30 09:02:53 | loop7: device node name blacklisted
Sep 30 09:02:53 | sda: not found in pathvec
Sep 30 09:02:53 | sda: mask = 0x1f
Sep 30 09:02:53 | sda: dev_t = 8:0
Sep 30 09:02:53 | sda: size = 859525120
Sep 30 09:02:53 | sda: subsystem = scsi
Sep 30 09:02:53 | sda: vendor = Sun
Sep 30 09:02:53 | sda: product = cmoveldb02
Sep 30 09:02:53 | sda: rev = V1.0
Sep 30 09:02:53 | sda: h:b:t:l = 8:0:0:0
Sep 30 09:02:53 | sda: serial = 953FCC2D
Sep 30 09:02:53 | sda: get_state
Sep 30 09:02:53 | sda: path checker = directio (internal default)
Sep 30 09:02:53 | sda: state = running
Sep 30 09:02:53 | directio: starting new request
Sep 30 09:02:53 | directio: io finished 4096/0
Sep 30 09:02:53 | sda: state = 3
Sep 30 09:02:53 | sda: prio = const (internal default)
Sep 30 09:02:53 | sda: prio =  (internal default)
Sep 30 09:02:53 | sda: const prio = 1
Sep 30 09:02:53 | sda: getuid = /lib/udev/scsi_id --whitelisted --device=/dev/%n (internal default)
Sep 30 09:02:53 | sda: uid = SSun     cmoveldb02     953FCC2D (callout)
Sep 30 09:02:53 | dm-0: device node name blacklisted
Sep 30 09:02:53 | dm-1: device node name blacklisted
Sep 30 09:02:53 | sr0: device node name blacklisted
===== paths list =====
uuid                             hcil    dev dev_t pri dm_st chk_st vend/prod/
SSun     cmoveldb02     953FCC2D 8:0:0:0 sda 8:0   1   undef ready  Sun,cmovel
Sep 30 09:02:53 | sda: ownership set to SSun     cmoveldb02     953FCC2D
Sep 30 09:02:53 | sda: not found in pathvec
Sep 30 09:02:53 | sda: mask = 0xc
Sep 30 09:02:53 | sda: get_state
Sep 30 09:02:53 | sda: state = running
Sep 30 09:02:53 | directio: starting new request
Sep 30 09:02:53 | directio: io finished 4096/0
Sep 30 09:02:53 | sda: state = 3
Sep 30 09:02:53 | sda: const prio = 1
Sep 30 09:02:53 | SSun     cmoveldb02     953FCC2D: pgfailover = -1 (internal default)
Sep 30 09:02:53 | SSun     cmoveldb02     953FCC2D: pgpolicy = failover (internal default)
Sep 30 09:02:53 | SSun     cmoveldb02     953FCC2D: selector = round-robin 0 (internal default)
Sep 30 09:02:53 | SSun     cmoveldb02     953FCC2D: features = 0 (internal default)
Sep 30 09:02:53 | SSun     cmoveldb02     953FCC2D: hwhandler = 0 (internal default)
Sep 30 09:02:53 | SSun     cmoveldb02     953FCC2D: rr_weight = 1 (internal default)
Sep 30 09:02:53 | SSun     cmoveldb02     953FCC2D: minio = 1000 (config file default)
Sep 30 09:02:53 | SSun     cmoveldb02     953FCC2D: no_path_retry = NONE (internal default)
Sep 30 09:02:53 | pg_timeout = NONE (internal default)
Sep 30 09:02:53 | SSun     cmoveldb02     953FCC2D: set ACT_CREATE (map does not exist)
Sep 30 09:02:53 | SSun     cmoveldb02     953FCC2D: domap (0) failure for create/reload map
root@cmoveldb02:~#

and
Code:
root@cmoveldb02:~# ls -lrt /dev/mapper/*
crw------- 1 root root 10, 236 Sep 22 14:57 /dev/mapper/control
lrwxrwxrwx 1 root root       7 Sep 29 12:23 /dev/mapper/cmovel--db02-swap_1 -> ../dm-1
lrwxrwxrwx 1 root root       7 Sep 29 12:23 /dev/mapper/cmovel--db02-root -> ../dm-0
root@cmoveldb02:~#

 

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