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Ceph is a distributed object, block, and file storage platform
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Colin Patrick McCabe 3d94b6afb5 FileJournal: fix journal size calculation 
If the journal is a raw block device, the user shouldn't need to give a
journal size argument most of the time-- it should default to using the
entire block device. This was the old default but it got changed
erroneously by commit ad12d5d5be.

Along the way, I split the FileJournal::_open code into multiple
functions, and added some additional checks. We no longer try block
device ioctls on regular files. We now check for block devices that are
too small.

Signed-off-by: Colin McCabe <colinm@hq.newdream.net>
2010-10-21 17:31:58 -07:00
debian debian: 0.22-4 2010-10-21 17:31:58 -07:00
fusetrace
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qa qa: add ffsb 2010-10-13 10:09:43 -07:00
src FileJournal: fix journal size calculation 2010-10-21 17:31:58 -07:00
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autogen.sh automake: some clean up 2010-05-18 08:01:23 -07:00
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README 

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