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14 Commits

Author SHA1 Message Date
Jason Dillaman cb897a4e98 doc: clarify QEMU rbd cache settings 
http://tracker.ceph.com/issues/17665
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
 2016-10-21 14:55:05 -04:00
Sage Weil 61c4c1c99b doc: list ext4 last 
Signed-off-by: Sage Weil <sage@redhat.com>
 2016-04-12 08:48:25 -04:00
Jean-Rémi Deveaux b10adf6a4f doc: Unify ID format 
Fixes: #12071

Signed-off-by: Jean-Rémi Deveaux <jeanremi.deveaux@gmail.com>
 2015-06-18 16:26:08 +02:00
John Wilkins 591a179540 doc: Added more robust usage example for uid and conf for QEMU. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2014-09-08 11:58:09 -07:00
Florian Haas 9292cc215a doc: highlight that "raw" is the only useful RBD format for QEMU 
Explain why people should be using the "raw" image format for RBD
volumes created for use by QEMU: using any other format adds only
overhead, but no extra value (since RBDs are also CoW and
thin-provisioned), plus the Qcow2 storage driver is not migration safe
when caching is enabled, whereas the RBD driver is.

Also, fix a minor glitch in the example qemu-img commands ("-f rbd"
and "-O rbd" should really be "-f raw" and "-O raw").

Finally, drop the "-f" option altogether on qemu-img commands where it
makes no sense (info and resize).

Signed-off-by: Florian Haas <florian@hastexo.com>
 2014-02-11 00:30:07 +01:00
John Wilkins 1dff92ba88 doc: Moved installation portion to the installation section. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2013-10-11 15:02:38 -07:00
John Wilkins 81d4f9d9e0 doc: Added introductory section. Updated usage. Index tags. 
fixes: #3220

Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2013-06-14 16:56:39 -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
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 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
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
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 2be02918ca doc: Added prerequisite of running Ceph cluster. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-06-19 10:10:51 -07:00
John Wilkins 7515b05e88 doc: added qemu-img documentation for rbd. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2012-06-14 14:18:53 -07:00