Documentation/filesystems/ceph.rst

1 .. SPDX-License-Identifier: GPL-2.0
15  * N-way replication of data across storage nodes
32 re-replicated in a distributed fashion by the storage nodes themselves
37 in-memory cache above the file namespace that is extremely scalable,
39 and can tolerate arbitrary (well, non-Byzantine) node failures.  The
66   `_<SNAPSHOT-NAME>_<INODE-NUMBER>`.  Since filenames in general can't have
67   more than 255 characters, and `<node-id>` takes 13 characters, the long
68   snapshot names can take as much as 255 - 1 - 1 - 13 = 240.
73  getfattr -n ceph.dir.rfiles /some/dir
74  getfattr -n ceph.dir.rbytes /some/dir
85  setfattr -n ceph.quota.max_bytes -v 100000000 /some/dir
86  getfattr -n ceph.quota.max_bytes /some/dir
98  # mount -t ceph user@fsid.fs_name=/[subdir] mnt -o mon_addr=monip1[:port][/monip2[:port]]
106 …# mount -t ceph cephuser@07fe3187-00d9-42a3-814b-72a4d5e7d5be.cephfs=/ /mnt/ceph -o mon_addr=1.2.3…
113   # mount -t ceph cephuser@cephfs=/ /mnt/ceph -o mon_addr=mon-addr
117   # mount -t ceph cephuser@cephfs=/ /mnt/ceph -o mon_addr=192.168.1.100/192.168.1.101
132   fsid=cluster-id
152 	of a non-responsive Ceph file system.  The default is 60
193         Don't use the RADOS 'copy-from' operation to perform remote object
198 	Set auto reconnect mode in the case where the client is blocklisted. The
201 	* no: never attempt to reconnect when client detects that it has been
205 	  detects that it has been blocklisted. During reconnect, client drops
218 	- https://github.com/ceph/ceph-client.git