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312 Commits

Author SHA1 Message Date
Loic Dachary
9c34d0c4e4 Merge pull request #6910 from dachary/wip-dev-guide-ceph-qa-suite 
doc: dev: introduction to tests

Reviewed-by: Nathan Cutler <ncutler@suse.com>
 2015-12-15 11:21:51 +01:00
Sage Weil
d5cee59b02 doc/cephfs/posix: update 
Signed-off-by: Sage Weil <sage@redhat.com>
 2015-12-14 10:45:30 -05:00
Loic Dachary
5440334dec doc: dev: introduction to tests 
Signed-off-by: Loic Dachary <loic@dachary.org>
 2015-12-13 22:02:27 +01:00
Nathan Cutler
c1daf4e6f8 doc/dev/index.rst: wholesale refactor 
Signed-off-by: Nathan Cutler <ncutler@suse.com>
 2015-12-04 23:58:11 +01:00
Nathan Cutler
6807b35a21 doc/dev/index.rst: fix links 
Signed-off-by: Nathan Cutler <ncutler@suse.com>
 2015-12-03 18:11:37 +01:00
Nathan Cutler
f3366401eb doc/dev/index.rst: Flesh out the IRC section 
Signed-off-by: Nathan Cutler <ncutler@suse.com>
 2015-12-03 18:11:25 +01:00
Nathan Cutler
8d281bc5f0 doc/dev/index.rst: Make Issue tracker a separate chapter 
Signed-off-by: Nathan Cutler <ncutler@suse.com>
 2015-12-03 18:11:09 +01:00
Nathan Cutler
6e7f9c8ed3 doc/dev/index.rst: start writing Bugfixing chapter 
Signed-off-by: Nathan Cutler <ncutler@suse.com>
 2015-12-03 13:31:28 +01:00
Nathan Cutler
002d26b097 doc/dev/index.rst: rewrite introductory material 
Signed-off-by: Nathan Cutler <ncutler@suse.com>
 2015-12-03 09:53:35 +01:00
Nathan Cutler
bc21a23555 doc/dev/index.rst: fix headings 
This commit fixes the headings so they render properly on http://ceph.com

Signed-off-by: Nathan Cutler <ncutler@suse.com>
 2015-12-03 00:30:24 +01:00
Nathan Cutler
b6f9a9b2b1 doc/dev/index.rst: begin writing Contributing to Ceph 
Replace existing index.rst with the beginnings of a comprehensive
developer guide.

Move the old index.rst to index-old.rst.

Signed-off-by: Nathan Cutler <ncutler@suse.com>
 2015-12-02 23:37:06 +01:00
Javier M. Mellid
71909b64b8 doc: rgw: update x-amz-request-id status 
Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
 2015-09-10 11:25:17 +02:00
Kefu Chai
351d957992 doc: fix the typo in command example 
always indent using tab, the rendered html looks good, but it helps with
editor to highlight the codeblock properly.

Signed-off-by: Kefu Chai <kchai@redhat.com>
 2015-09-06 19:30:02 +08:00
Sage Weil
7d781f7a09 doc: 'ceph --admin-daemon ...' -> 'ceph daemon ...' 
Signed-off-by: Sage Weil <sage@redhat.com>
 2015-09-04 15:59:34 -04:00
Zhiqiang Wang
89aacaf699 doc: add the doc for min_write_recency_for_promote 
Signed-off-by: Zhiqiang Wang <zhiqiang.wang@intel.com>
 2015-09-02 14:00:40 +08:00
Kefu Chai
6dc9ed5814 Merge pull request #5603 from wonzhq/doc-read-recency 
doc: add the description for min_read_recency_for_promote

Reviewed-by: Kefu Chai <kchai@redhat.com>
 2015-08-31 18:12:43 +08:00
Sage Weil
dfb9fea3a9 Merge pull request #5660 from badone/doc_snaps_typo 
doc: Fix typo and redundant word in snaps section
 2015-08-25 11:54:29 -04:00
Kefu Chai
665de0a91f Merge pull request #5657 from badone/master 
doc: Fix typo in recovery reservation section

Reviewed-by: Kefu Chai <kchai@redhat.com>
 2015-08-25 19:35:53 +08:00
Brad Hubbard
699fca8089 doc: Fix typo and redundant word in snaps section 
Fix typo and remove identifying from "filtering identifying" in
doc/dev/osd_internals/snaps.rst

Signed-off-by: Brad Hubbard <bhubbard@redhat.com>
 2015-08-25 21:31:43 +10:00
Brad Hubbard
6ee7068c4c doc: Fix typo in writeback throttle section 
Fix typo in doc/dev/osd_internals/wbthrottle.rst

Signed-off-by: Brad Hubbard <bhubbard@redhat.com>
 2015-08-25 21:04:55 +10:00
Brad Hubbard
07a28d6ce2 doc: Fix typo in recovery reservation section 
Fix typo in doc/dev/osd_internals/recovery_reservation.rst

Signed-off-by: Brad Hubbard <bhubbard@redhat.com>
 2015-08-25 20:51:09 +10:00
Zhiqiang Wang
d5a56c497a doc: update some of the outdated cache tiering doc 
Signed-off-by: Zhiqiang Wang <zhiqiang.wang@intel.com>
 2015-08-20 10:58:45 +08:00
Zhiqiang Wang
de00f6d0df doc: add the description for min_read_recency_for_promote 
This cache tiering option is introduced in proxy read.

Signed-off-by: Zhiqiang Wang <zhiqiang.wang@intel.com>
 2015-08-20 10:49:30 +08:00
Zhiqiang Wang
73d4b7dbf2 doc: fix the format of peering.rst 
Fix an incorrent number in the ordered list and some indention issue.
Make the ordered list to use '1' or 'a' for the first item, and '#' for
the remaining items.

Signed-off-by: Zhiqiang Wang <zhiqiang.wang@intel.com>
 2015-08-20 09:48:07 +08:00
Brad Hubbard
370e4a71a2 doc: remove duplicate word in Motivation section. 
Remove to\nto typo in doc/dev/osd_internals/erasure_coding/pgbackend.rst

Signed-off-by: Brad Hubbard <bhubbard@redhat.com>
 2015-08-10 11:51:49 +10:00
Sage Weil
edd68e3ade Merge pull request #5188 from athanatos/wip-11687 
PG::find_best_info: ignore info.les for incomplete peer

Reviewed-by: Sage Weil <sage@redhat.com>
 2015-07-16 11:03:18 -04:00
Samuel Just
371d9baa12 PG::find_best_info: ignore info.les for incomplete peer 
See included update to doc/dev/osd_internals/last_epoch_started.rst

Fixes: 11687
Signed-off-by: Samuel Just <sjust@redhat.com>
 2015-07-15 08:57:18 -07:00
Kefu Chai
253e256964 doc: fix the link in dev/quick_guide 
Signed-off-by: Kefu Chai <kchai@redhat.com>
 2015-07-02 20:50:48 +08:00
unknown
504a48a3d3 doc : missing link in "quick_guide.rst" 
Fixes: #12009

Signed-off-by: Germain CHIPAUX <germain.chipaux@gmail.com>
Signed-off-by: Thomas LAUMONDAIS <thomas.laumondais@gmail.com>
Signed-off-by: Pierre CHAUMONT <pierre.chaumont31@gmail.com>
Signed-off-by: Benjamin TROQUEREAU <benjamin.troquereau@gmail.com>
Signed-off-by: Benjamin SESIA <benjamin.sesia@gmail.com>
 2015-06-30 15:58:17 +02:00
Li Wang
c1bd02c978 Merge pull request #4792 from kylinstorage/wip-writeback-throttling-for-cache-tiering 
Wip writeback throttling for cache tiering

This patch is to do write back throttling for cache tiering, which is similar to what the Linux kernel does for  page cache write back.  A paramter 'cache_target_dirty_high_ratio'  (default 0.6) is introduced as the high speed flushing threshold, while leave the 'cache_target_dirty_ratio' (default 0.4) to represent the low speed  threshold. The flush speed is controlled by limiting the parallelism of flushing. The maximum parallelism under low speed is half of the parallelism under high speed. If there is at least one PG such that the dirty ratio beyond the high threshold, full speed mode is entered; If there is no PG such that dirty ratio beyond the low threshold, idle mode is entered; In other cases, slow speed mode is entered.

Signed-off-by: Mingxin Liu <mingxinliu@ubuntukylin.com>
Reviewed-by: Li Wang <liwang@ubuntukylin.com>
Suggested-by: Nick Fisk <nick@fisk.me.uk>
Tested-by: Kefu Chai <kchai@redhat.com>
 2015-06-23 15:15:47 +08:00
Loic Dachary
cb49329c42 Merge pull request #5006 from Claire1293/master 
doc: dev/differences-from-posix

Reviewed-by: Loic Dachary <ldachary@redhat.com>
 2015-06-18 17:12:08 +02:00
unknown
7fd1ae8b42 doc: dev/differences-from-posix 
Fixes: #11108
Signed-off-by: Claire MASSOT <claire.massot93@gmail.com>
 2015-06-18 16:37:26 +02:00
Cleminou
145fbb7d3c doc: Fixes a missing word in a printed string 
Fixes: #11106

Signed-off-by: Clement Lebrun <clement.lebrun.31@gmail.com>
 2015-06-18 16:05:43 +02:00
Gregory Farnum
459369e700 Merge pull request #4931 from yuyuyu101/wip-perf-msgr 
PerfMsgr: A tool to benchmark messenger module

Reviewed-by: Greg Farnum <gfarnum@redhat.com>
 2015-06-18 11:09:56 +01:00
Gaël Fenet-Garde
9cdd810e64 doc: Purpose of a cache pool 
Completing the description of the cache purpose.
Fixes : #11096
Signed-off-by: Gael Fenet-Garde <gael.fenet.garde@gmail.com>
 2015-06-17 16:52:35 +02:00
Haomai Wang
ce86b0a27d doc/messenger: Add doc for ceph_perf_server/client 
Signed-off-by: Haomai Wang <haomaiwang@gmail.com>
 2015-06-16 00:54:37 +08:00
liumingxin
7aba9476e6 Doc: add write back throttling stuff in document and test scripts 
Signed-off-by: Mingxin Liu <mingxinliu@ubuntukylin.com>
Reviewed-by: Li Wang <liwang@ubuntukylin.com>
Suggested-by: Nick Fisk <nick@fisk.me.uk>
 2015-06-03 15:57:14 +08:00
Loic Dachary
d7a2349188 doc: update the development workflow 
* use HOWTO_monitor_the_automated_tests_AKA_nightlies to explain the nightlies
* replace references to Serverity with Backport tracker
* add links to the backporter manual and the release page
* s/0.95/9.0.0/
* unify release names to be lowercase
* replace lifecycle with release cycle and end of life with retirement
* Prefer LTS or Long Term Stable over Long Term Support

Signed-off-by: Loic Dachary <ldachary@redhat.com>
 2015-05-26 19:11:50 +02:00
Jason Dillaman
f9ba711c30 dev/rbd-diff: clarify encoding of image size 
Fixes: #11562
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
 2015-05-22 11:18:09 -04:00
Loic Dachary
3bd1cc48a2 doc: s/relase/release/ 
Signed-off-by: Loic Dachary <ldachary@redhat.com>
 2015-05-15 16:44:04 +02:00
Sage Weil
9da4c45e24 doc: link to sepia report for lab info 
Signed-off-by: Sage Weil <sage@redhat.com>
 2015-05-04 16:34:37 -07:00
Loic Dachary
b09b4581f0 doc: when and why publish a point release 
Explain who decides when to cut a point release and the tradeoffs
involved.

Signed-off-by: Loic Dachary <ldachary@redhat.com>
 2015-04-09 13:53:13 +02:00
Bosse Klykken
d6acc6a581 Doc: Incomplete example in erasure-coded-pool.rst 
Signed-off-by: Bosse Klykken <larkly@gmail.com>
 2015-03-26 21:31:16 +01:00
Alexandre Marangone
7f03c8891a be gender neutral 
Signed-off-by: Alexandre Marangone <amarango@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
 2015-03-23 16:59:55 -07:00
Kefu Chai
9e9595291d doc: s/Asphyxiate/Breathe/ in documenting.rst 
Signed-off-by: Kefu Chai <kchai@redhat.com>
 2015-03-20 17:17:53 +08:00
Sage Weil
d26a9dce5e Merge remote-tracking branch 'gh/hammer' 
Conflicts:
	PendingReleaseNotes
	src/Makefile.am
	src/gmock
	src/test/Makefile.am
 2015-03-19 12:41:04 -07:00
Samuel Just
2956ae278d doc: add last_epoch_started.rst 
Signed-off-by: Samuel Just <sjust@redhat.com>
 2015-03-19 08:41:38 -07:00
Loic Dachary
1eb6f6df2f Merge pull request #4002 from zhicheng/master 
fix doc/dev/network-protocol.rst typo

Reviewed-by: Loic Dachary <ldachary@redhat.com>
 2015-03-16 09:03:00 +01:00
Zhicheng Wei
5ba8764d2a fix doc/dev/network-protocol.rst typo 
Signed-off-by: Zhicheng Wei <zhicheng@opensourceforge.net>
 2015-03-16 10:26:55 +08:00
Loic Dachary
d9af510c71 Merge pull request #4006 from dachary/wip-documentation 
doc: mark the ascii schema as a literal block

Reviewed-by: Yann Dupont <yann@objoo.org>
 2015-03-15 23:31:40 +01:00
Loic Dachary
d17e2e8b1d doc: mark the ascii schema as a literal block 
Signed-off-by: Loic Dachary <ldachary@redhat.com>
 2015-03-15 22:47:59 +01:00
Pete Zaitcev
372297201f Specify the actual struct used in protocol handshake 
Maybe it was sockaddr_storage in an older version, but it is
definitely entity_addr_t in "ceph v027".

Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
 2015-03-13 14:18:11 -06:00
Kefu Chai
19d106f2dc Merge pull request #3985 from fmarsylle/master 
doc: s/that will called every time/that will be called every time/

Reviewed-by: Kefu Chai <kchai@redhat.com>
 2015-03-13 23:33:26 +08:00
Loic Dachary
58e815729a Merge pull request #3986 from Al3xis-N/master 
doc: How to generate an object corpus : should be a subsection

Reviewed-by: Loic Dachary <ldachary@redhat.com>
 2015-03-13 15:17:05 +01:00
smagtony@gmail.com
aeca8fb040 doc: How to generate an object corpus : should be a subsection 
Fixes: #11099

Signed-off-by: Alexis Normand <n.al3xis@gmail.com>
 2015-03-13 15:11:21 +01:00
florian
72a26ebbb8 doc: s/that will called every time/that will be called every time/ 
fixes: #11098

Signed-off-by: florian marsylle <florian.marsylle@hotmail.fr>
 2015-03-13 15:03:27 +01:00
dehu robin
38bc2986d8 doc: extra \ in CEPH\_AUTH\_UNKNOWN 
Suppress all \

fixes: #11097

Signed-off-by: DEHU Robin <robindehu@gmail.com>
 2015-03-13 13:04:14 +01:00
Gregory Farnum
ea7fbdbdf8 Merge pull request #3668 from ceph/wip-compact-container 
Optimize memory usage of MDS

Reviewed-by: John Spray <john.spray@redhat.com>
Reviewed-by: Greg Farnum <gfarnum@redhat.com>
 2015-03-09 12:17:40 -04:00
Loic Dachary
3a8b8284dd doc,tests: force checkout of submodules 
When updating submodules, always checkout even if the HEAD is the
desired commit hash (update --force) to avoid the following:

* a directory gmock exists in hammer
* a submodule gmock replaces the directory gmock in master
* checkout master + submodule update : gmock/.git is created
* checkout hammer : the gmock directory still contains the .git from
  master because it did not exist at the time and checkout won't
  remove untracked directories
* checkout master + submodule update : git rev-parse HEAD is
  at the desired commit although the content of the gmock directory
  is from hammer

Signed-off-by: Loic Dachary <ldachary@redhat.com>
 2015-03-06 17:16:46 +01:00
Danny Al-Gaaf
a7b344388b submodules: --recursive needed for gtest in gmock 
Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
 2015-03-02 21:10:24 +01:00
Yan, Zheng
eb422a8fb7 doc: MDS internal data structure 
Signed-off-by: Yan, Zheng <zyan@redhat.com>
 2015-02-27 08:48:13 +08:00
Kefu Chai
c1e792d8aa doc: update doc with latest code 
* also silence some warnings of doxygen

Signed-off-by: Kefu Chai <kchai@redhat.com>
 2015-02-24 16:05:12 +08:00
Loic Dachary
725822d135 doc: development workflows 
Document the high level view of the development workflows which are
otherwise implicit and non trivial to figure out.

Signed-off-by: Loic Dachary <ldachary@redhat.com>
 2015-02-23 18:11:32 +01:00
Loic Dachary
280a9bf4b7 doc: page title suitable for :doc: 
When using :doc:`/dev/sepia` the page title is inlined. The modified
title is easier to include as part of a sensible sentence.

Signed-off-by: Loic Dachary <ldachary@redhat.com>
 2015-02-23 16:29:05 +01:00
Loic Dachary
269df80442 doc: spellcheck quick development guide 
Signed-off-by: Loic Dachary <ldachary@redhat.com>
 2015-02-23 16:28:26 +01:00
Loic Dachary
d8d608d671 erasure-code: update links to jerasure upstream 
It moved from bitbucket to jerasure.org

Signed-off-by: Loic Dachary <ldachary@redhat.com>
 2015-01-15 21:30:25 +01:00
Ken Dreyer
31adfeb046 doc: fix spelling in corpus page 
Signed-off-by: Ken Dreyer <kdreyer@redhat.com>
 2014-12-15 07:57:14 -07:00
Loic Dachary
b9ddf97a0c documentation: simplify running make check 
Encapsulate the compilation steps (install dependencies, autogen.sh,
configure, make check) in the run-make-check.sh script. Update the
developer documentation to point to this script instead of multiple
steps.

It is intended as a tool to help new developer make sure their patch is
sane, it focuses on efficiency (runs make check in parallel if possible)
and coverage (enables docker based tests if possible).

http://tracker.ceph.com/issues/10265 Fixes: #10265

Signed-off-by: Loic Dachary <ldachary@redhat.com>
 2014-12-13 15:01:40 +01:00
Sandon Van Ness
627f138a72 Updated sepia hardware list. 
Added missing details and additional list of hardware.

Signed-off-by: Sandon Van Ness <sandon@redhat.com>
 2014-11-20 11:13:38 -08:00
Loic Dachary
a4b42d66a0 doc: erasure-code developer documentation typo 
Reported-by: Pavan Rallabhandi <Pavan.Rallabhandi@sandisk.com>
Signed-off-by: Loic Dachary <ldachary@redhat.com>
 2014-11-19 11:06:31 +01:00
fgimenez
777fe211b0 Updated names of default pools created at startup 2014-10-20 13:43:56 +02:00
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
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
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
22637f43ba doc: update lab notes 
Signed-off-by: Sage Weil <sage@redhat.com>
 2014-10-14 10:58:02 -07:00
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
0fb0967e95 documentation: tiering typo 
Signed-off-by: Loic Dachary <loic-201408@dachary.org>
 2014-09-19 15:05:27 +02:00
Loic Dachary
487105df10 erasure-code: add directory to plugin init functions 
The prototype of the init functions of erasure coded plugins is changed
from

   int __erasure_code_init(char *plugin_name)

to

   int __erasure_code_init(char *plugin_name, char *directory)

The jerasure plugin will find optimized variants in this directory and
load them. The load() and preload() functions of
ErasureCodePluginRegistry only use a directory instead of a more generic
parameters map. The parameters map was only used for the directory entry
anyway.

Signed-off-by: Loic Dachary <loic-201408@dachary.org>
 2014-08-28 11:09:29 +02:00
Luis Pabón
df3b6fc472 Fix syntax error in rst documentation 
Signed-off-by: Luis Pabón <lpabon@redhat.com>
 2014-08-25 14:44:01 -04:00
Luis Pabón
4fa4553de8 Merge branch 'master' into rgw-doc 
Conflicts:
	src/vstart.sh
 2014-08-20 14:15:58 -04:00
Luis Pabón
98b24f3970 vstart.sh to enable support for simple RadosGW 
Signed-off-by: Luis Pabón <lpabon@redhat.com>
 2014-08-20 12:21:36 -04:00
John Wilkins
acee2e5833 doc: Move wireshark documentation to dev. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2014-08-18 14:28:38 -07:00
Kevin Cox
281159bf3b doc: Initial network docs. 
Signed-Off-By: Kevin Cox <kevincox@kevincox.ca>
 2014-08-09 15:52:38 -04:00
Luis Pabón
a923e2c9eb Renamed README to README.md to render in markdown 
Signed-off-by: Luis Pabón <lpabon@redhat.com>
 2014-08-05 14:51:16 -04:00
Luis Pabón
52cf693e8d Developer quick start guide 
Signed-off-by: Luis Pabón <lpabon@redhat.com>
 2014-08-05 14:48:47 -04:00
Abhishek Lekshmanan
1682e62eeb doc: typo s/loose/lose 
Signed-off-by: Abhishek Lekshmanan <abhishek.lekshmanan@gmail.com>
 2014-08-05 10:35:03 +05:30
Abhishek Lekshmanan
cc5c33f566 doc: fix a few typos in the dev docs 
Signed-off-by: Abhishek Lekshmanan <abhishek.lekshmanan@gmail.com>
 2014-07-09 11:05:46 +05:30
Sage Weil
55e297ad9a Merge pull request #2046 from ceph/wip-8670 
mon: OSDMonitor: 'osd pool' - if we can set it, we must be able to get it

Reviewed-by: Loic Dachary <loic@dachary.org>
Reviewed-by: Sage Weil <sage@redhat.com>
 2014-07-02 17:44:56 -07:00
Loic Dachary
1dfe913af2 erasure-code: add definitions to the glossary 
and fix a typo

Signed-off-by: Loic Dachary <loic@dachary.org>
 2014-06-30 11:35:31 +02:00
Joao Eduardo Luis
12079a7c7c doc: dev: cache-pool.rst: fix typo s/objets/objects/ 
Signed-off-by: Joao Eduardo Luis <joao.luis@inktank.com>
 2014-06-28 14:44:09 +01:00
Loic Dachary
db90d86ee4 Merge pull request #1824 from dachary/wip-documentation 
erasure-code: fix URL in developer notes

Reviewed-by: koleosfuscus <koleosfuscus@yahoo.com>
 2014-05-27 11:41:18 +02:00
Christian Theune
107821fe9b Fix formatting of header 
The header was displaying the newline as a simple "n" due to quoting in the doc.

Signed-off-by: Christian Theune <ct@gocept.com>
 2014-05-20 10:38:01 +02:00
Loic Dachary
e47049ba83 erasure-code: fix URL in developer notes 
add missing ..

http://tracker.ceph.com/issues/8388 Fixes: #8388

Reported-by: koleosfuscus <koleosfuscus@yahoo.com>
Signed-off-by: Loic Dachary <loic@dachary.org>
 2014-05-19 18:41:37 +02:00
John Wilkins
c3833d7c41 doc: Fixed syntax to include 'pool'. 
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
 2014-04-21 15:43:23 -07:00
Dmitry Smirnov
f22e2e9a02 spelling corrections 2014-04-17 12:43:30 +10:00
Loic Dachary
db3e0b5129 erasure-code: document the ruleset-root profile parameter 
If unspecified it is ruleset-root=default and will translate into

   take default

when a ruleset is created for an erasure-code pool.

Signed-off-by: Loic Dachary <loic@dachary.org>
 2014-04-11 13:51:46 +02:00
Dan Mick
3c54a49e39 Wordsmith the erasure-code doc a bit 
Signed-off-by: Dan Mick <dan.mick@inktank.com>
 2014-04-10 19:55:52 -07:00
Loic Dachary
ff51d3ff56 doc: pgbackend dev doc outdated notice 
* Warn the reader that the implementation is ahead and may differ
* Update the links to the Firefly branch
* Remove links to issues used during development to avoid confusion

Signed-off-by: Loic Dachary <loic@dachary.org>
 2014-03-30 10:31:13 +02:00
Loic Dachary
d5973aaf7e doc: update jerasure plugin 
* The parameters come from the erasure code profile
* Add a note about the upstream submodules gf-complete / jerasure

Signed-off-by: Loic Dachary <loic@dachary.org>
 2014-03-30 10:31:13 +02:00
Loic Dachary
402e10473f doc: erasure code developer notes updates 
Update the introduction to explain erasure code profiles. Remove
obsolete explanations about partial writes etc. Remove links to tickets
used during development. Update permalinks to be closer to
Firefly (v0.78).

Signed-off-by: Loic Dachary <loic@dachary.org>
 2014-03-30 10:31:07 +02:00