[DRBD-user] drbd+device mapper drbd didn't start.

kad76oglz0qh at yahoo.co.jp kad76oglz0qh at yahoo.co.jp
Thu May 8 11:43:58 CEST 2014

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Hi everybody

I set up device-mapper under centOS6.3.
I started drbd but drbd didn't start.

#/etc/rc.d/init.d/drbd start
Starting DRBD resources: [
     create res: r0
   prepare disk: r0
    adjust disk: r0:failed(attach:10)
     adjust net: r0
]....

multipath
# multipath -ll
mpatha dm-0 IFT,DS S16F-R1440
size=7.6T features='0' hwhandler='0' wp=rw
|-+- policy='round-robin 0' prio=1 status=active
| `- 5:0:0:0  sdb 8:16 active ready  running
`-+- policy='round-robin 0' prio=1 status=enabled
  `- 1:0:0:0  sda 8:0  active ready  running

/etc/multipath.conf
defaults {
        user_friendly_names yes
}devices {
       device {
               vendor                  "IFT    "
               product                 "DS S16F-R1440"
               path_grouping_policy    multibus
               #path_grouping_policy    failover
               getuid_callout          "/lib/udev/scsi_id --whitelisted --device
=/dev/%n"
               path_checker            readsector0
               path_selector           "round-robin 0"
               hardware_handler        "0"
               failback                15
               rr_weight               priorities
               no_path_retry           15
               #no_path_retry           queue
       }
}
blacklist{
         devnode "^drbd*"
#         devnode *
         device {
                vendor "SEAGATE"
                product "*"
                }
         device {
                vendor "Dell"
                product "*"
                }
         device {
                vendor ""iDRAC
                product "*"
                }
         }

drbd Ver8.4.4

/etc/drbd.conf

# more /etc/drbd.conf
#
# please have a a look at the example configuration file in
# /usr/share/doc/drbd83/drbd.conf
#
common {
       disk {
            max-bio-bvecs 1;
            #on-io-error call-local-io-erro;
            }
}

resource r0 {
  protocol C;


 net {
   sndbuf-size 512K;
   ping-int 10;
   ping-timeout 10;
   connect-int 10;
   timeout 80;
   ko-count 0;
   max-buffers 8000;
   max-epoch-size 8000;
  }

syncer {
  rate 80M;
  verify-alg md5;
  al-extents 3833;
}

  on centos1 {
   device     /dev/drbd0;
   disk       /dev/mapper/mpatha;
   address    172.26.24.153:7790;
   flexible-meta-disk /dev/sdc6;
  }
  on centos2 {
   device     /dev/drbd0;
   disk       /dev/mapper/mpatha;
   address    172.26.24.155:7790;
   flexible-meta-disk /dev/sdc6;
  }
}

/var/log/messages
May  8 16:16:56 centos1 kernel: drbd: initialized. Version: 8.4.4 (api:1/proto:86-101)
May  8 16:16:56 centos1 kernel: drbd: GIT-hash: 74402fecf24da8e5438171ee8c19e28627e1c98a build by root at centos63, 2014-04-25 21:53:13
May  8 16:16:56 centos1 kernel: drbd: registered as block device major 147
May  8 16:16:56 centos1 kernel: drbd r0: Starting worker thread (from drbdsetup [5231])
May  8 16:16:56 centos1 kernel: block drbd0: open("/dev/mapper/mapatha") failed with -16
May  8 16:16:56 centos631 kernel: block drbd0: drbd_bm_resize called with capacity == 0
May  8 16:16:56 centos631 kernel: drbd r0: Terminating drbd_w_r0

Please help me.

Regards
Masahiko Kawase
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