> -----原始邮件----- > 发件人: "Jason Dillaman" <jdillama@xxxxxxxxxx> > 发送时间: 2019-10-16 20:33:47 (星期三) > 收件人: "展荣臻(信泰)" <zhanrzh_xt@xxxxxxxxxxxxxx> > 抄送: ceph-users <ceph-users@xxxxxxxxxxxxxx> > 主题: Re: ceph iscsi question > > 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. > hi,Jason Thanks for your reply The multipath device is the same error as raw block device. _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com