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67 Commits

Author SHA1 Message Date
Wido den Hollander
b3f37ea46b docs: Update CloudStack RBD documentation 2013-05-01 11:09:11 +02:00
Sage Weil
7d4c0dcfe4 Merge branch 'next' 2013-04-29 20:58:15 -07:00
John Wilkins
041b0cf950 doc: Added rbd-fuse to TOC. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2013-04-28 15:01:12 -07:00
Sage Weil
593507ea70 Merge branch 'next' 
Conflicts:
	doc/rbd/rbd-cloudstack.rst
 2013-04-17 11:05:00 -07:00
John Wilkins
82aab8dcf3 doc: Cherry-picked from master to next. Rewrite of CloudStack document. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2013-04-16 13:26:32 -07:00
John Wilkins
97532875ce doc: Cherry-picked from master to next. Updates config to use virtio. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2013-04-16 13:24:47 -07:00
John Wilkins
b4fc83ccde doc: Overhauled Wido's CloudStack document. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2013-04-15 07:39:32 -07:00
John Wilkins
74cdbc3c90 doc: Changed libvirt example to use virtio. 
fixes: #4469
 2013-04-11 12:28:14 -07:00
Josh Durgin
1597b3e3a1 librbd: optionally wait for a flush before enabling writeback 
Older guests may not send flushes properly (i.e. never), so if this is
enabled, rbd_cache=true is safe for them transparently.

Disable by default, since it will unnecessarily slow down newer guest
boot, and prevent writeback caching for things that don't need to send
flushes, like the command line tool.

Refs: #3817
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
 2013-03-19 11:42:27 -07:00
John Wilkins
6802f2793b doc: Added libvirt config comments for discard granularity. 
fixes: #4395

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2013-03-13 10:57:23 -07:00
John Wilkins
7f66ebe9a5 doc: Addressed confusion with version numbering. 
fixes: #4411

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2013-03-12 14:25:44 -07:00
Dan Mick
58f4cd53b9 doc: rbd-cloudstack: fix bullet list, missing words, change ! to . 2013-02-27 18:43:46 -08:00
John Wilkins
977ba79b21 doc: clarified ceph id vs. ceph name, and fixed a typo. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2013-02-12 17:53:02 -08:00
John Wilkins
0e9852798b doc: Added some of the troubleshooting steps into the libvirt procedure and removed path for virsh edit. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2013-02-12 17:12:41 -08:00
John Wilkins
522a81e9d3 doc: Added link to <disk> reference. Added minor clarifications. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2013-02-12 09:53:17 -08:00
John Wilkins
29222872c4 doc: Added procedures for using libvirt VMs with Ceph. 
fixes: #3432


Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2013-02-11 19:44:55 -08:00
Josh Durgin
3a08942099 doc: fix rbd create syntax 
--dest-pool does not apply to create. Also remove extraneous
whitespace.

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
 2013-01-28 10:13:59 -08:00
Gary Lowell
5dd6b19918 Merge branch 'next' 2012-12-31 21:31:17 -08:00
Josh Durgin
8bbb4a364d doc: fix rbd permissions for unprotect 
Unprotect examines all pools, so use blanket x before 0.54. After
that, use class-read restricted by object_prefix to rbd_children.

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
 2012-12-30 00:06:11 -08:00
Josh Durgin
1c3e12a2f4 doc: warn about using caching without QEMU knowing 
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
 2012-12-27 22:03:09 -08:00
John Wilkins
ea9fc87d89 doc: Removed foo. Apparently myimage was added and foo not removed. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-12-20 11:39:41 -08:00
John Wilkins
f2c7a60c90 doc: Fixed many hyperlinks, a few typos, and some minor clarifications. 
fixes: #3564

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-12-03 12:22:37 -08:00
John Wilkins
3ccaaa0923 doc: Added librbd to the RBD toc. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-11-16 14:57:15 -08:00
John Wilkins
9ea2609ea0 doc: Added libcephfs to the CephFS section and moved librbd to RBD section. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-11-16 14:56:46 -08:00
John Wilkins
0a2a0c075c doc: config-cluser move to new IA. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-11-14 14:57:51 -08:00
Josh Durgin
efdb209b0b doc: reorder some openstack/rbd instructions 
Move client creation to the section on setting up client auth, so you
don't skip it if you already have pools created.

Move CEPH_ARGS setting to the section on configuring OpenStack, since
it's a change for the OpenStack services, not purely ceph client
configuration.

A couple people were confused by the placement of these parts, and
they make more sense in these sections.

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
 2012-11-13 08:14:18 -08:00
Sage Weil
efa03cef5e mon: require pgnum in 'ceph osd pool create <poolname> <pgnum> [<pgp_num>]' command 
The default of 8 is virtually never the right answer.  Require the initial
pg count to be explicitly provided.

Signed-off-by: Sage Weil <sage@inktank.com>
 2012-11-12 12:01:07 -08:00
John Wilkins
138262f683 doc: fixed some inccorrect syntax. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-11-06 09:13:54 -08:00
John Wilkins
4bff87da9a doc: Added qemu caching section. 
fixes: #3332

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-11-03 12:12:11 -07:00
John Wilkins
bc4e6b9a13 doc: Changed term "kernel object" to "kernel module". Added hyperlink to cephx. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-11-01 15:56:04 -07:00
John Wilkins
019fee8224 doc: Improved the landing page for RBD. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-11-01 15:30:39 -07:00
John Wilkins
a01b112d71 doc: changed --user to --id, and fixed a typo. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-11-01 12:55:18 -07:00
John Wilkins
dfc57c4fa5 doc: minor edits to the index. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-11-01 10:43:24 -07:00
John Wilkins
968b315a09 doc: Added layering to the snapshot section. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-11-01 10:41:38 -07:00
Josh Durgin
a12bc435ce doc: fix typo in cinder upstart config name 
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
 2012-10-30 12:34:19 -07:00
Josh Durgin
a5eb72ba01 doc: note raw format required for openstack/rbd 
A couple people have been confused by this omission.

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
 2012-10-24 16:19:21 -07:00
John Wilkins
06a8d9534d doc: Editing and cleanup. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-10-10 13:22:47 -07:00
Josh Durgin
9810517d07 doc: separate config from I/O in openstack diagram 
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
 2012-10-09 14:06:40 -07:00
Josh Durgin
4ebe8c26c3 doc: clarify rbd openstack docs 
* give upstart example
* restart all relevant services
* explain OpenStack terminology more

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
 2012-10-09 13:53:43 -07:00
Josh Durgin
4eabe57d52 doc: simplify wording for rbd-openstack config 
Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
 2012-10-09 10:35:02 -07:00
Josh Durgin
60a5d78e57 doc: first draft of full OpenStack integration 
Includes glance, cinder, and nova config with cloning.

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
 2012-10-02 11:00:16 -07:00
John Wilkins
106dc66fe4 doc: Removed languages from librados in tech-specific stack diagrams. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-10-01 14:53:57 -07:00
Josh Durgin
f0a5c562f5 doc: small fixes to the OpenStack page 
* 'Ceph common' is not a package name
* config dir is /etc/nova, not /etc/conf
* remove trailing whitespace

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
 2012-09-26 17:41:03 -07:00
Josh Durgin
8964f10faf doc: remove MDS from diagram describing RBD and OpenStack 
The MDS is not used with RBD or librados.

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
 2012-09-26 17:41:03 -07:00
Josh Durgin
f586add47b doc: extend QEMU/RBD docs 
Describe running a vm from RBD, cache options, and discard support.

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>
 2012-09-26 17:41:03 -07:00
John Wilkins
04ddd14e09 doc: Fixed hyperlink. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-09-23 21:53:36 -07:00
John Wilkins
5e095ec889 :doc: Trimmed up the stack diagram and fixed a few hyperlink refs. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-09-18 13:55:18 -07:00
John Wilkins
11b80ae78b :doc: Changed title to RBD from RADOS. Clearer. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-09-18 13:02:17 -07:00
John Wilkins
9829039eb9 :doc: Made notice to stop i/o a warning. Initial format clean up. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-09-18 13:01:50 -07:00
John Wilkins
84c50dd8de :doc: Added discussion and stack diagram. Initial format cleanup. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-09-18 13:00:58 -07:00