Btw, I am using ceph-volume.
I just test ceph-disk. In this case, the ceph-0 folder is mounted from /dev/sdb1.
So tmpfs only happens when using ceph-volume? how it works?
On Wed, Apr 4, 2018 at 9:29 AM, Jeffrey Zhang <zhang.lei.fly+ceph-users@xxxxxxxxx> wrote:
I am testing ceph Luminous, the environment is- centos 7.4- ceph luminous ( ceph offical repo)- ceph-deploy 2.0- bluestore + separate wal and dbI found the ceph osd folder `/var/lib/ceph/osd/ceph-0` is mountedfrom tmpfs. But where the files in that folder come from? like `keyring`,`whoami`?$ ls -alh /var/lib/ceph/osd/ceph-0/lrwxrwxrwx. 1 ceph ceph 24 Apr 3 16:49 block -> /dev/ceph-pool/osd0.datalrwxrwxrwx. 1 root root 22 Apr 3 16:49 block.db -> /dev/ceph-pool/osd0-dblrwxrwxrwx. 1 root root 23 Apr 3 16:49 block.wal -> /dev/ceph-pool/osd0-wal-rw-------. 1 ceph ceph 37 Apr 3 16:49 ceph_fsid-rw-------. 1 ceph ceph 37 Apr 3 16:49 fsid-rw-------. 1 ceph ceph 55 Apr 3 16:49 keyring-rw-------. 1 ceph ceph 6 Apr 3 16:49 ready-rw-------. 1 ceph ceph 10 Apr 3 16:49 type-rw-------. 1 ceph ceph 2 Apr 3 16:49 whoamiI guess they may be loaded from bluestore. But I can not find any clue for this.
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