Thanks WjW & Burkhard
@WjW
> If this is a normal Ceph setup, the user running the OSD is ceph:ceph.
> And he will not have access to your devices, unless you have added him
> (her??) to the group disk....
This is not a normal Ceph setup. The user is root.
I'm upgrading the Storage from Ceph/V10.2.6 to Ceph/V13.2.2 for one
platform and hit some problems.
@Burkhard
oops, I'll do further check.
B.R.
Changcheng
On 09:22 Fri 25 Jan, Willem Jan Withagen wrote:
> On 25-1-2019 07:15, Liu, Changcheng wrote:
> > Hi all,
> > I always hit below error:
> > storage-0:/var/run/ceph# /usr/bin/ceph-osd -i 0 --pid-file /var/run/ceph/osd.0.pid -c /etc/ceph/ceph.conf --cluster ceph -f
> > 2019-01-25 14:05:20.148 7f2bd8f87180 -1 ** ERROR: unable to open OSD superblock on /var/lib/ceph/osd/ceph-0: (2) No such file or directory
> > Could anyone give some suggestion to debug this problem?
> >
> > I've checked some info as below:
> > 0)storage-0:/var/lib/ceph/osd/ceph-0# cat /etc/os-release
> > NAME="CentOS Linux"
> > VERSION="7 (Core)"
> > ID="centos"
> > ID_LIKE="rhel fedora"
> > VERSION_ID="7"
> > PRETTY_NAME="CentOS Linux 7 (Core)"
> > ANSI_COLOR="0;31"
> > CPE_NAME="cpe:/o:centos:centos:7"
> > HOME_URL="https://www.centos.org/";
> > BUG_REPORT_URL="https://bugs.centos.org/";
> > CENTOS_MANTISBT_PROJECT="CentOS-7"
> > CENTOS_MANTISBT_PROJECT_VERSION="7"
> > REDHAT_SUPPORT_PRODUCT="centos"
> > REDHAT_SUPPORT_PRODUCT_VERSION="7"
> >
> > 1)storage-0:/var/lib/ceph/osd/ceph-0# ceph --version
> > ceph version 13.2.2 (02899bfda814146b021136e9d8e80eba494e1126) mimic (stable)
> >
> > 2)storage-0:/var/lib/ceph/osd/ceph-0# ls
> > block block_uuid ceph_fsid fsid journal journal_uuid magic type
> >
> > 3)storage-0:/var/lib/ceph/osd/ceph-0# ls -l `readlink -f block`
> > brw-rw---- 1 root disk 8, 18 Jan 25 14:07 /dev/sdb2
> >
> > 4)storage-0:/var/lib/ceph/osd/ceph-0# ls -l `readlink -f journal`
> > brw-rw---- 1 root disk 8, 18 Jan 25 14:07 /dev/sdb2
>
> Changcheng,
>
> Just a wild guess.
>
> If this is a normal Ceph setup, the user running the OSD is ceph:ceph.
> And he will not have access to your devices, unless you have added him
> (her??) to the group disk....
>
> --WjW
>
> >
> > 5)storage-0:/var/lib/ceph/osd/ceph-0# mount | grep sdb1
> > /dev/sdb1 on /var/lib/ceph/osd/ceph-0 type xfs (rw,relatime,attr2,inode64,noquota)
> >
> > 6)storage-0:/var/lib/ceph/osd/ceph-0# ceph-disk list
> > /dev/dm-0 other, ext4, mounted on /scratch
> > /dev/dm-1 other, ext4, mounted on /var/log
> > /dev/dm-2 other, ext4, mounted on /var/lib/ceph/mon
> > /dev/sda :
> > /dev/sda1 other, 21686148-6449-6e6f-744e-656564454649
> > /dev/sda2 other, ext4, mounted on /boot
> > /dev/sda3 other, ext4, mounted on /
> > /dev/sda4 other, LVM2_member
> > /dev/sdb :
> > /dev/sdb1 ceph data, active, cluster ceph, osd uuid 486b4414-8cb9-46f5-bfcd-6d0b24a8ce5c, block /dev/sdb2, journal /dev/sdb2
> > /dev/sdb2 ceph block, for /dev/sdb1
> > storage-0:/var/lib/ceph/osd/ceph-0#
> >
> > 7)storage-0:/var/lib/ceph/osd/ceph-0# ceph auth list
> > installed auth entries:
> > mgr.controller-0
> > key: AQBp1Elc3wI5HBAAuWXr3/GNkiR/eElrmDOI0A==
> > caps: [mon] allow *
> > caps: [osd] allow *
> > mgr.controller-1
> > key: AQD7zElcW9FSIhAAr57vVkmX2eqRXWYeBPWo+Q==
> > caps: [mon] allow *
> > caps: [osd] allow *
> > storage-0:/var/lib/ceph/osd/ceph-0#
> >
> > B.R.
> > Changcheng
> >
>
