По iscsi к хосту подключены блочные устройства, что бы их не сканировать на предмет LVM модифицирую:
/etc/lvm/lvm.conf
...
scan = [ "/dev" ]
...
filter = ["a/.*/", "r|/dev/sdh1|", "r|/dev/sdi1|", "r|/dev/sdj1|", "r|/dev/sdk1|", "r|/dev/sdl1|", "r|/dev/sdm1|" ]
...
pvscan
WARNING: Duplicate VG name vg0: Existing pyEwjJ-pRmV-OdXt-YZcC-fEm4-GTfr-jEgO5J (created here) takes precedence over LyMzsZ-Il8G-8vjb-hYjp-CydC-jh4d-bIwh4f
WARNING: Duplicate VG name vg0: Existing pyEwjJ-pRmV-OdXt-YZcC-fEm4-GTfr-jEgO5J (created here) takes precedence over Ifa4RS-Lerb-By3K-kZfv-zG1L-bRTS-OVVq8c
WARNING: Duplicate VG name vg0: Existing pyEwjJ-pRmV-OdXt-YZcC-fEm4-GTfr-jEgO5J (created here) takes precedence over zVhwBw-XfBS-dh97-a0rt-Eeiq-xSAX-UxLeJJ
WARNING: Duplicate VG name vg0: Existing pyEwjJ-pRmV-OdXt-YZcC-fEm4-GTfr-jEgO5J (created here) takes precedence over uy2y29-3LRP-CAV4-QmLT-9if2-ysiR-Oconi3
WARNING: Duplicate VG name vg0: Existing pyEwjJ-pRmV-OdXt-YZcC-fEm4-GTfr-jEgO5J (created here) takes precedence over wrDujb-RvrV-KpO5-xUHK-8EzD-tzBa-ku11bW
PV /dev/sdm1 VG vg0 lvm2 [10,00 GiB / 3,48 GiB free]
PV /dev/sdl1 VG vg0 lvm2 [10,00 GiB / 3,48 GiB free]
PV /dev/sdk1 VG vg0 lvm2 [10,00 GiB / 3,48 GiB free]
PV /dev/sdj1 VG vg0 lvm2 [10,00 GiB / 3,48 GiB free]
PV /dev/sdi1 VG puppet lvm2 [10,00 GiB / 0 free]
PV /dev/sdh1 VG vg0 lvm2 [10,00 GiB / 2,55 GiB free]
PV /dev/md0 VG vg0 lvm2 [465,77 GiB / 49,52 GiB free]
Total: 7 [525,74 GiB] / in use: 7 [525,74 GiB] / in no VG: 0 [0 ]
vgscan -vvvv
#device/dev-io.c:487 Opened /dev/sdm RO
#device/dev-io.c:260 /dev/sdm: size is 20971520 sectors
#device/dev-io.c:134 /dev/sdm: block size is 4096 bytes
#filters/filter.c:160 /dev/sdm: Skipping: Partition table signature found
#device/dev-io.c:533 Closed /dev/sdm
#device/dev-io.c:487 Opened /dev/sdm1 RO
#device/dev-io.c:260 /dev/sdm1: size is 20967424 sectors
#device/dev-io.c:533 Closed /dev/sdm1
#device/dev-io.c:260 /dev/sdm1: size is 20967424 sectors
#device/dev-io.c:487 Opened /dev/sdm1 RO O_DIRECT
#device/dev-io.c:134 /dev/sdm1: block size is 4096 bytes
#device/dev-io.c:533 Closed /dev/sdm1
#filters/filter-composite.c:31 Using /dev/sdm1
#device/dev-io.c:487 Opened /dev/sdm1 RO O_DIRECT
#device/dev-io.c:134 /dev/sdm1: block size is 4096 bytes
#label/label.c:160 /dev/sdm1: lvm2 label detected
#cache/lvmcache.c:1136 lvmcache: /dev/sdm1: now in VG #orphans_lvm2 (#orphans_lvm2)
#format_text/format-text.c:1137 /dev/sdm1: Found metadata at 6656 size 1309 (in area at 4096 size 1044480) for vg0 (wrDujb-RvrV-KpO5-xUHK-8EzD-tzBa-ku11bW)
WARNING: Duplicate VG name vg0: Existing pyEwjJ-pRmV-OdXt-YZcC-fEm4-GTfr-jEgO5J (created here) takes precedence over wrDujb-RvrV-KpO5-xUHK-8EzD-tzBa-ku11bW
#cache/lvmcache.c:1136 lvmcache: /dev/sdm1: now in VG vg0 with 1 mdas
#cache/lvmcache.c:923 lvmcache: /dev/sdm1: setting vg0 VGID to wrDujbRvrVKpO5xUHK8EzDtzBaku11bW
#cache/lvmcache.c:1173 lvmcache: /dev/sdm1: VG vg0: Set creation host to vtigercrm.
#device/dev-io.c:533 Closed /dev/sdm1
#toollib.c:427 Finding volume group "vg0"
#locking/file_locking.c:235 Locking /var/lock/lvm/V_vg0 RB
#locking/file_locking.c:141 _do_flock /var/lock/lvm/V_vg0:aux WB
#locking/file_locking.c:51 _undo_flock /var/lock/lvm/V_vg0:aux
#locking/file_locking.c:141 _do_flock /var/lock/lvm/V_vg0 RB
#device/dev-io.c:487 Opened /dev/sdm1 RO O_DIRECT
#device/dev-io.c:134 /dev/sdm1: block size is 4096 bytes
#label/label.c:160 /dev/sdm1: lvm2 label detected
^C^C^CKilled