[dm-devel] dm create error

[Xiaoqiang Zhou]

Hi ALL:
      I have some problem with dm.
      when I add a multipath occur some error in message file:

Jan 27 17:09:41 localhost kernel: device-mapper: table: 253:5: multipath:
error getting device
Jan 27 17:09:41 localhost kernel: device-mapper: ioctl: error adding target
to table
Jan 27 17:09:41 localhost multipathd: uevent 'add' from
'/devices/virtual/block/dm-5'
Jan 27 17:09:41 localhost multipathd: uevent 'remove' from
'/devices/virtual/block/dm-5'
Jan 27 17:09:41 localhost multipathd: dm-5: remove map (uevent)
Jan 27 17:09:41 localhost multipathd: dm-5: No DM_NAME in uevent, ignoring
Jan 27 17:09:41 localhost multipathd: uevent 'remove' from
'/devices/virtual/block/dm-5'
Jan 27 17:09:41 localhost multipathd: dm-5: remove map (uevent)
Jan 27 17:09:41 localhost multipathd: dm-5: No DM_NAME in uevent, ignoring


       [root at localhost ovirt-node-nfs]# multipath -l
Jan 27 17:22:56 | multipath.conf +6, invalid keyword: getuid_callout
Jan 27 17:22:56 | multipath.conf +21, invalid keyword: getuid_callout
Jan 27 17:22:56 | multipath.conf +41, invalid keyword: getuid_callout
Jan 27 17:22:56 | libdevmapper version 1.02.84-RHEL7 (2014-03-26)
Jan 27 17:22:56 | DM multipath kernel driver v1.6.0
Jan 27 17:22:56 | loading /lib64/multipath/libcheckdirectio.so checker
Jan 27 17:22:56 | loading /lib64/multipath/libprioconst.so prioritizer
Jan 27 17:22:56 | Discover device
/sys/devices/pci0000:00/0000:00:02.2/0000:03:00.0/host0/target0:2:0/0:2:0:0/block/sda
Jan 27 17:22:56 | sda: not found in pathvec
Jan 27 17:22:56 | sda: mask = 0x21
Jan 27 17:22:56 | sda: dev_t = 8:0
Jan 27 17:22:56 | open
'/sys/devices/pci0000:00/0000:00:02.2/0000:03:00.0/host0/target0:2:0/0:2:0:0/block/sda/size'
Jan 27 17:22:56 | sda: size = 3904897024
Jan 27 17:22:56 | sda: vendor = DELL
Jan 27 17:22:56 | sda: product = PERC H310
Jan 27 17:22:56 | sda: rev = 2.12
Jan 27 17:22:56 | sda: h:b:t:l = 0:2:0:0
Jan 27 17:22:56 | open
'/sys/devices/pci0000:00/0000:00:02.2/0000:03:00.0/host0/target0:2:0/0:2:0:0/state'
Jan 27 17:22:56 | sda: path state = running

Jan 27 17:22:56 | Discover device
/sys/devices/pci0000:00/0000:00:02.2/0000:03:00.0/host0/target0:2:0/0:2:0:0/block/sda/sda1
Jan 27 17:22:56 | Discover device
/sys/devices/pci0000:00/0000:00:02.2/0000:03:00.0/host0/target0:2:0/0:2:0:0/block/sda/sda2
Jan 27 17:22:56 | Discover device
/sys/devices/pci0000:00/0000:00:1f.2/ata5/host5/target5:0:0/5:0:0:0/block/sr0
Jan 27 17:22:56 | sr0: device node name blacklisted
Jan 27 17:22:56 | Discover device /sys/devices/virtual/block/loop0
Jan 27 17:22:56 | loop0: device node name blacklisted
Jan 27 17:22:56 | Discover device /sys/devices/virtual/block/loop1
Jan 27 17:22:56 | loop1: device node name blacklisted
Jan 27 17:22:56 | Discover device /sys/devices/virtual/block/dm-0
Jan 27 17:22:56 | dm-0: device node name blacklisted
Jan 27 17:22:56 | Discover device /sys/devices/virtual/block/dm-1
Jan 27 17:22:56 | dm-1: device node name blacklisted
Jan 27 17:22:56 | Discover device /sys/devices/virtual/block/dm-2
Jan 27 17:22:56 | dm-2: device node name blacklisted
Jan 27 17:22:56 | Discover device /sys/devices/virtual/block/dm-3
Jan 27 17:22:56 | dm-3: device node name blacklisted
Jan 27 17:22:56 | Discover device /sys/devices/virtual/block/dm-4
Jan 27 17:22:56 | dm-4: device node name blacklisted
Jan 27 17:22:56 | Discovery status 0
===== paths list =====
uuid hcil dev dev_t pri dm_st chk_st vend/prod/rev dev_st
0:2:0:0 sda 8:0 -1 undef undef DELL ,PERC H310 running
Jan 27 17:22:56 | unloading const prioritizer
Jan 27 17:22:56 | unloading directio checker


[root at localhost etc]# cat multipath.conf
# RHEV REVISION 1.1

defaults {
polling_interval 5
#getuid_callout "/usr/lib/udev/scsi_id --whitelisted --replace-whitespace
--device=/dev/%n"
getuid_callout "/lib/udev/scsi_id --whitelisted --replace-whitespace
--device=/dev/%n"
no_path_retry 5
user_friendly_names no
flush_on_last_del yes
fast_io_fail_tmo 5
dev_loss_tmo 30
max_fds 4096
verbosity 4
}

devices {
device {
vendor "HITACHI"
product "DF.*"
#getuid_callout "/usr/lib/udev/scsi_id --whitelisted --replace-whitespace
--device=/dev/%n"
getuid_callout "/lib/udev/scsi_id --whitelisted --replace-whitespace
--device=/dev/%n"
}
device {
vendor "COMPELNT"
product "Compellent Vol"
no_path_retry 5
}
device {
# multipath.conf.default
vendor "DGC"
product ".*"
product_blacklist "LUNZ"
path_grouping_policy "group_by_prio"
path_checker "emc_clariion"
hardware_handler "1 emc"
prio "emc"
failback immediate
rr_weight "uniform"
# vdsm required configuration
#getuid_callout "/usr/lib/udev/scsi_id --whitelisted --replace-whitespace
--device=/dev/%n"
getuid_callout "/lib/udev/scsi_id --whitelisted --replace-whitespace
--device=/dev/%n"
features "0"
no_path_retry 5
}
}
[root at localhost etc]#


I can not fix this issue . This problem is hard enough to perplex .
someone can give me some suggest with it.
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