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024efeb6d4
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1973 Commits

Author SHA1 Message Date
Yuan Zhou
024efeb6d4 EC: document the LRC per layer plugin configuration 
LRC now uses Jerasure as the default EC backend. But it is actually
possible to switch to other backend like Isa using the low level
configuration. This commits Adds documents on how to specify the EC
backend in each LRC layer:

Signed-off-by: Yuan Zhou <yuan.zhou@intel.com>
 2014-10-23 14:32:59 +08:00
fgimenez
777fe211b0 Updated names of default pools created at startup 2014-10-20 13:43:56 +02:00
Loic Dachary
66cffd72f5 Merge pull request #2736 from dachary/wip-backfill-documentation 
doc: updates on Backfill Reservation

Reviewed-by: David Zafman <david.zafman@inktank.com>
Reviewed-by: Dan Mick <dan.mick@inktank.com>
 2014-10-17 09:02:10 -07:00
Loic Dachary
69b5c72cbe doc: updates on Backfill Reservation 
The logic was changed by:

0985ae71bc
osd: prioritize backfill based on *how* degraded

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
 2014-10-16 18:36:11 -07:00
Josh Durgin
a9f302da08 Merge remote-tracking branch 'origin/wip-rbd-readahead' 
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

Conflicts:
	src/client/Fh.h
 2014-10-16 14:33:42 -07:00
Sage Weil
bf8fe2e3d0 Merge pull request #2712 from lpabon/bug-8766 
Update vstart to setup users for s3-tests
 2014-10-15 15:18:48 -07:00
VRan Liu
2cbebc305c doc: correct command of config push 
Signed-off-by: VRan Liu <gliuwr@gmail.com>
 2014-10-15 17:15:56 +08:00
Sage Weil
b61468deb7 doc/dev/sepia: notes about sepia email list and irc channels 
Signed-off-by: Sage Weil <sage@redhat.com>
 2014-10-14 14:43:04 -07:00
Sage Weil
67051804d6 doc/release-notes: v0.80.7 
Signed-off-by: Sage Weil <sage@redhat.com>
 2014-10-14 14:43:04 -07:00
Sage Weil
22637f43ba doc: update lab notes 
Signed-off-by: Sage Weil <sage@redhat.com>
 2014-10-14 10:58:02 -07:00
Alfredo Deza
b73fe1a146 doc: remove node requirement from 'mon create-initial' 
Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
 2014-10-13 11:10:10 -04:00
Alfredo Deza
264f0fced5 doc: remove whitespace 
Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
 2014-10-13 11:09:38 -04:00
Luis Pabón
20b27661f6 Update vstart to setup users for s3-tests 
vstart.sh now creates the users for the default configuration
for the s3-tests, available on https://github.com/ceph/s3-tests.

Also updated the documentation to show the correct RadosGW port.

Signed-off-by: Luis Pabón <lpabon@redhat.com>
 2014-10-13 10:18:03 -04:00
Loic Dachary
64ca744313 doc: update memory-profiling with examples 
* Update the ceph tell from ceph daemon tell id to the new
  ceph tell deamon.id form

* Add usages examples for easier copy / paste

* Add MON to the list of daemons that can be profiled

* Document CEPH_HEAP_PROFILER_INIT=true

* Remove trailing empty lines

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
 2014-10-08 09:47:54 +02:00
Loic Dachary
aa9041c5eb Merge pull request #2653 from dachary/wip-9676-ioprio-doc 
doc: missing osd prefix to ioprio config options

Reviewed-by: Mehdi Abaakouk <sileht@sileht.net>
 2014-10-07 10:15:20 +02:00
Loic Dachary
62235688c4 doc: missing osd prefix to ioprio config options 
http://tracker.ceph.com/issues/9676 Fixes: #9676

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
 2014-10-07 10:10:24 +02:00
Sage Weil
06aef6ff61 doc/release-notes: v0.86 
Signed-off-by: Sage Weil <sage@redhat.com>
 2014-10-06 21:15:43 -07:00
Ilya Dryomov
abe4c35399 doc: update kernel recommendations, add tunables link 
No 3.16.[0-2] - same rbd deadlock regression as in 3.15.

Signed-off-by: Ilya Dryomov <idryomov@redhat.com>
 2014-10-06 21:25:29 +04:00
Sage Weil
188370a943 doc/release-notes: fix attributions for 8702 fix 
Oops!

Signed-off-by: Sage Weil <sage@redhat.com>
 2014-10-01 18:01:51 -07:00
Sage Weil
c0dc3a5697 doc/release-notes: v0.80.6 
Signed-off-by: Sage Weil <sage@redhat.com>
 2014-10-01 17:48:49 -07:00
Wido den Hollander
3184a20733 doc: A couple of fixes to the CloudStack documentation 2014-10-01 17:02:29 +02:00
Sage Weil
ccf3e06a7c Merge pull request #2502 from yuyuyu101/kvstore-meta-cache 
KeyValueStore: performance improvement and docs
 2014-09-29 16:43:29 -07:00
Sage Weil
75525712b2 doc/release-notes: v0.67.11 
Signed-off-by: Sage Weil <sage@redhat.com>
 2014-09-25 07:17:56 -07:00
Loic Dachary
9593d8769f documentation: erasure-code plugin isa does not require k/m 
http://tracker.ceph.com/issues/9579 Refs: #9579

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
 2014-09-25 12:01:59 +02:00
Loic Dachary
9c825ec2c4 documentation: revise placement group number guide 
When a cluster has few OSDs (less than 50) propose a preselection of
values: as long as the number of placement groups is not too small nor
too large, it won't make much of a difference anyway.

Users of small clusters tend to blindly apply the (OSD*100)/(pool size)
formula and worry about chosing a wrong value because they do not
understand the tradeoffs. The preselection will hopefully save them from
this uncertainty.

Add an explanation of how placement groups relate to OSDs, CRUSH and
pools to help understand the tradeoffs. Explain the
tradeoffs (durability, distribution and resource usages) with examples.

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
Reviewed-by: Gerben Meijer <infernix@gmail.com>
Reviewed-by: Laurent Guerby <laurent@guerby.net>
 2014-09-23 16:54:50 +02:00
Sage Weil
77b9f4a562 Merge pull request #2529 from dachary/wip-doc-troubleshooting 
documentation: fix bugous osd stop/start example
 2014-09-19 14:40:47 -07:00
Sage Weil
927f14b942 Merge pull request #2532 from dachary/wip-doc-tiering 
documentation: tiering typo
 2014-09-19 14:40:24 -07:00
Loic Dachary
639c9818fe documentation: explain ceph osd reweight vs crush weight 
Using the wording from Gregory Farnum at
http://lists.ceph.com/pipermail/ceph-users-ceph.com/2014-June/040961.html

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
 2014-09-19 17:19:41 +02:00
Loic Dachary
0fb0967e95 documentation: tiering typo 
Signed-off-by: Loic Dachary <loic-201408@dachary.org>
 2014-09-19 15:05:27 +02:00
Loic Dachary
be97b7d5b8 documentation: fix bugous osd stop/start example 
Signed-off-by: Loic Dachary <loic-201408@dachary.org>
 2014-09-19 10:29:20 +02:00
Adam Crume
ad45d8c454 librbd: Add read-ahead 
Signed-off-by: Adam Crume <adamcrume@gmail.com>
 2014-09-17 12:02:03 -07:00
Adam Crume
4809418752 doc: Change listed RBD cache defaults to actual defaults 
Signed-off-by: Adam Crume <adamcrume@gmail.com>
 2014-09-17 12:00:28 -07:00
Josh Durgin
ea48a21ec9 Merge pull request #2475 from ceph/wip-lttng 
Update rbd-replay

Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
 2014-09-16 12:15:30 -07:00
John Wilkins
13b82ded62 Merge pull request #2473 from ceph/wip-doc-preflight 
doc: Revised the Preflight Doc

Reviewed-by: John Wilkins <jowilkin@redhat.com>
 2014-09-16 11:47:12 -07:00
John Wilkins
9a65b39022 doc: Fixed broken hyperlink. 
Signed-off-by: John Wilkins <jowilki@redhat.com>
 2014-09-16 11:28:19 -07:00
Haomai Wang
1a8b91b768 doc: Add keyvaluestore config description 
Signed-off-by: Haomai Wang <haomaiwang@gmail.com>
 2014-09-16 14:04:07 +08:00
Sage Weil
47124f394c Merge pull request #2482 from dachary/wip-erasure-code-documentation 
erasure code documentation

Reviewed-by: Sage Weil <sage@redhat.com>
 2014-09-15 15:23:16 -07:00
John Wilkins
27208dba2c doc: Added feedback. 
Signed-off-by: John Wilkins <jowilki@redhat.com>
 2014-09-15 11:10:35 -07:00
Dan van der Ster
868b6b99fd doc: osd_backfill_scan_(min|max) are object counts 
osd_backfill_scan_min and osd_backfill_scan_max set the number of
items grabbed during a single backfill scan, not an interval in
seconds. Correct the doc.

Signed-off-by: Dan van der Ster <daniel.vanderster@cern.ch>
 2014-09-15 11:27:24 +02:00
Stephen Jahl
d32b4286de doc: Added bucket management commands to ops/crush-map 
Describes the CLI for adding and removing buckets, in addition to the
'moving' instructions which were already present.

Signed-off-by: Stephen Jahl <stephenjahl@gmail.com>
 2014-09-14 10:41:16 -04:00
Loic Dachary
d446a65654 documentation: jerasure plugin is sub section of erasure code profile 
Signed-off-by: Loic Dachary <loic-201408@dachary.org>
 2014-09-14 01:01:51 +02:00
Loic Dachary
4fb3e29279 documentation: isa plugin is sub section of erasure code profile 
Signed-off-by: Loic Dachary <loic-201408@dachary.org>
 2014-09-14 01:01:51 +02:00
Loic Dachary
75f0fb2693 documentation: erasure code profile update 
The plugins are made a sub-section of the erasure code profile
section. The k and m parameters are removed from erasure code profile
documentation. They were added for simplicity in the first version
because there was only one plugin. But they should really be in the
plugin documentation.

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
 2014-09-14 01:01:21 +02:00
Stephen Jahl
b8a1ec08a1 doc: fixes a formatting error on ops/crush-map 
Signed-off-by: Stephen Jahl <stephenjahl@gmail.com>
 2014-09-13 15:31:53 -04:00
John Wilkins
4d3579d81e doc: Added clarifications and added additional preflight steps for CentOS/RHEL. 
Fixes: #8995

Signed-off-by: John Wilkins <jowilki@redhat.com>
 2014-09-12 09:15:53 -07:00
John Wilkins
1c8485e41e doc: Deleted redundant text string. 
Signed-off-by: John Wilkins <jowilki@redhat.com>
 2014-09-12 09:14:51 -07:00
Adam Crume
8d23e8dbdc rbd-replay: Add --dump-perf-counters option 
Signed-off-by: Adam Crume <adamcrume@gmail.com>
 2014-09-11 16:48:08 -07:00
Adam Crume
675a6a6704 rbd-replay: Add rbd-replay-many 
Signed-off-by: Adam Crume <adamcrume@gmail.com>
 2014-09-11 16:48:03 -07:00
Adam Crume
3911354d61 rbd-replay: Add --anonymize flag to rbd-replay-prep 
Signed-off-by: Adam Crume <adamcrume@gmail.com>
 2014-09-11 16:47:56 -07:00
John Wilkins
2fbe82dfeb doc: Fixed syntax error. 
Signed-off-by: John Wilkins <jowilki@redhat.com>
 2014-09-11 10:50:42 -07:00