On Tue, Nov 14, 2017 at 09:21:56AM +0000, Linh Vu wrote: > Odd, you only got 2 mons and 0 osds? Your cluster build looks incomplete. But from the log, osd seems normal: [172.17.0.4][INFO ] checking OSD status... [172.17.0.4][DEBUG ] find the location of an executable [172.17.0.4][INFO ] Running command: /bin/ceph --cluster=ceph osd stat --format=json [ceph_deploy.osd][DEBUG ] Host 172.17.0.4 is now ready for osd use. ... [172.17.0.5][INFO ] Running command: systemctl enable ceph.target [172.17.0.5][INFO ] checking OSD status... [172.17.0.5][DEBUG ] find the location of an executable [172.17.0.5][INFO ] Running command: /bin/ceph --cluster=ceph osd stat --format=json [ceph_deploy.osd][DEBUG ] Host 172.17.0.5 is now ready for osd use. -- Best Regards Dai Xiang > > Get Outlook for Android<https://aka.ms/ghei36> > > ________________________________ > From: Dai Xiang <xiang.dai@xxxxxxxxxxx> > Sent: Tuesday, November 14, 2017 6:12:27 PM > To: Linh Vu > Cc: ceph-users@xxxxxxxxxxxxxx > Subject: Re: mount failed since failed to load ceph kernel module > > On Tue, Nov 14, 2017 at 02:24:06AM +0000, Linh Vu wrote: > > Your kernel is way too old for CephFS Luminous. I'd use one of the newer kernels from http://elrepo.org. :) We're on 4.12 here on RHEL 7.4. > > I had updated kernel version to newest: > [root@d32f3a7b6eb8 ~]$ uname -a > Linux d32f3a7b6eb8 4.14.0-1.el7.elrepo.x86_64 #1 SMP Sun Nov 12 20:21:04 EST 2017 x86_64 x86_64 x86_64 GNU/Linux > [root@d32f3a7b6eb8 ~]$ cat /etc/redhat-release > CentOS Linux release 7.2.1511 (Core) > > But still failed: > [root@d32f3a7b6eb8 ~]$ /bin/mount 172.17.0.4,172.17.0.5:/ /cephfs -t ceph -o name=admin,secretfile=/etc/ceph/admin.secret -v > failed to load ceph kernel module (1) > parsing options: rw,name=admin,secretfile=/etc/ceph/admin.secret > mount error 2 = No such file or directory > [root@d32f3a7b6eb8 ~]$ ll /cephfs > total 0 > > [root@d32f3a7b6eb8 ~]$ ceph -s > cluster: > id: a5f1d744-35eb-4e1b-a7c7-cb9871ec559d > health: HEALTH_WARN > Reduced data availability: 128 pgs inactive > Degraded data redundancy: 128 pgs unclean > > services: > mon: 2 daemons, quorum d32f3a7b6eb8,1d22f2d81028 > mgr: d32f3a7b6eb8(active), standbys: 1d22f2d81028 > mds: cephfs-1/1/1 up {0=1d22f2d81028=up:creating}, 1 up:standby > osd: 0 osds: 0 up, 0 in > > data: > pools: 2 pools, 128 pgs > objects: 0 objects, 0 bytes > usage: 0 kB used, 0 kB / 0 kB avail > pgs: 100.000% pgs unknown > 128 unknown > > [root@d32f3a7b6eb8 ~]$ lsmod | grep ceph > ceph 372736 0 > libceph 315392 1 ceph > fscache 65536 3 ceph,nfsv4,nfs > libcrc32c 16384 5 libceph,nf_conntrack,xfs,dm_persistent_data,nf_nat > > > -- > Best Regards > Dai Xiang > > > > > > Hi! > > > > I got a confused issue in docker as below: > > > > After install ceph successfully, i want to mount cephfs but failed: > > > > [root@dbffa72704e4 ~]$ /bin/mount http://172.17.0.4:/<http://172.17.0.4:/> /cephfs -t ceph -o name=admin,secretfile=/etc/ceph/admin.secret -v > > failed to load ceph kernel module (1) > > parsing options: rw,name=admin,secretfile=/etc/ceph/admin.secret > > mount error 5 = Input/output error > > > > But ceph related kernel modules have existed: > > > > [root@dbffa72704e4 ~]$ lsmod | grep ceph > > ceph 327687 0 > > libceph 287066 1 ceph > > dns_resolver 13140 2 nfsv4,libceph > > libcrc32c 12644 3 xfs,libceph,dm_persistent_data > > > > Check the ceph state(i only set data disk for osd): > > > > [root@dbffa72704e4 ~]$ ceph -s > > cluster: > > id: 20f51975-303e-446f-903f-04e1feaff7d0 > > health: HEALTH_WARN > > Reduced data availability: 128 pgs inactive > > Degraded data redundancy: 128 pgs unclean > > > > services: > > mon: 2 daemons, quorum dbffa72704e4,5807d12f920e > > mgr: dbffa72704e4(active), standbys: 5807d12f920e > > mds: cephfs-1/1/1 up {0=5807d12f920e=up:creating}, 1 up:standby > > osd: 0 osds: 0 up, 0 in > > > > data: > > pools: 2 pools, 128 pgs > > objects: 0 objects, 0 bytes > > usage: 0 kB used, 0 kB / 0 kB avail > > pgs: 100.000% pgs unknown > > 128 unknown > > > > [root@dbffa72704e4 ~]$ ceph version > > ceph version 12.2.1 (3e7492b9ada8bdc9a5cd0feafd42fbca27f9c38e) luminous (stable) > > > > My container is based on centos:centos7.2.1511, kernel is 3e0728877e22 3.10.0-514.el7.x86_64. > > > > I saw some ceph related images on docker hub so that i think above > > operation is ok, did i miss something important? > > > > -- > > Best Regards > > Dai Xiang > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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