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Ceph is a distributed object, block, and file storage platform
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The pool snap mode determines where the snapc should come from. In particular, if the client specifies no snap seq, but the pool is in unmanaged snap mode, then use the client (empty) snapc, and do not generate one from the pool. The pool might have a snap seq that is > 0, leading to and totally invalid(!) snapc like 2=[], e.g., because the pool seq was bumped to create an unmanaged snapc by another client. Signed-off-by: Sage Weil <sage@newdream.net> |
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Ceph - a scalable distributed file system ----------------------------------------- Please see http://ceph.newdream.net/ for current info. ---- To build the server daemons, and FUSE client, $ ./autogen.sh $ ./configure $ make or $ cd src $ make (Note that the FUSE client will only be built if libfuse is present.) ---- A quick summary of binaries that will be built in src/ daemons: cmon -- monitor daemon. handles cluster state and configuration information. cosd -- storage daemon. stores objects on a given block device. cmds -- metadata daemon. handles file system namespace. ceph -- send management commands to the monitor cluster. userland clients: cfuse -- fuse client. csyn -- synthetic workload generator client. tools: monmaptool -- create/edit mon map osdmaptool -- create/edit osd map crushtool -- create/edit crush map scripts: mkcephfs -- cluster mkfs tool init-ceph -- init.d start/stop script