On Wed, Oct 16, 2019 at 2:35 AM 展荣臻（信泰） <zhanrzh_xt@xxxxxxxxxxxxxx> wrote: > > hi,all > we deploy ceph with ceph-ansible.osds,mons and daemons of iscsi runs in docker. > I create iscsi target according to https://docs.ceph.com/docs/luminous/rbd/iscsi-target-cli/. > I discovered and logined iscsi target on another host,as show below: > > [root@node1 tmp]# iscsiadm -m discovery -t sendtargets -p 192.168.42.110 > 192.168.42.110:3260,1 iqn.2003-01.com.teamsun.iscsi-gw:iscsi-igw > 192.168.42.111:3260,2 iqn.2003-01.com.teamsun.iscsi-gw:iscsi-igw > [root@node1 tmp]# iscsiadm -m node -T iqn.2003-01.com.teamsun.iscsi-gw:iscsi-igw -p 192.168.42.110 -l > Logging in to [iface: default, target: iqn.2003-01.com.teamsun.iscsi-gw:iscsi-igw, portal: 192.168.42.110,3260] (multiple) > Login to [iface: default, target: iqn.2003-01.com.teamsun.iscsi-gw:iscsi-igw, portal: 192.168.42.110,3260] successful. > > /dev/sde is mapped,when i mkfs.xfs -f /dev/sde, an Error occur, > > [root@node1 tmp]# mkfs.xfs -f /dev/sde > meta-data=/dev/sde isize=512 agcount=4, agsize=1966080 blks > = sectsz=512 attr=2, projid32bit=1 > = crc=1 finobt=0, sparse=0 > data = bsize=4096 blocks=7864320, imaxpct=25 > = sunit=0 swidth=0 blks > naming =version 2 bsize=4096 ascii-ci=0 ftype=1 > log =internal log bsize=4096 blocks=3840, version=2 > = sectsz=512 sunit=0 blks, lazy-count=1 > realtime =none extsz=4096 blocks=0, rtextents=0 > existing superblock read failed: Input/output error > mkfs.xfs: pwrite64 failed: Input/output error > > message in /var/log/messages: > Oct 16 14:01:44 localhost kernel: Dev sde: unable to read RDB block 0 > Oct 16 14:01:44 localhost kernel: sde: unable to read partition table > Oct 16 14:02:17 localhost kernel: Dev sde: unable to read RDB block 0 > Oct 16 14:02:17 localhost kernel: sde: unable to read partition table > > we use Luminous ceph. > what cause this error? how debug it.any suggestion is appreciative. Please use the associated multipath device, not the raw block device. > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com -- Jason _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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