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* doc/start: s/overprovsioning/overprovisioning/Zac Dover2024-07-011-1/+1
| | | | | | | Restore a missing "i" in "overprovisioning" in doc/start/hardware-recommendations.rst. Signed-off-by: Zac Dover <zac.dover@proton.me>
* doc/start: fix wording & syntaxPiotr Parczewski2024-02-141-6/+7
| | | | Signed-off-by: Piotr Parczewski <piotr@stackhpc.com>
* doc:start.rst fix typo in hw-recsEduardo Roldan2024-02-081-1/+1
| | | | | | s/power less/power loss/ Signed-off-by: Eduardo Roldan <trazor@gmail.com>
* docs: Add information about OpenNebula integrationDaniel Clavijo Coca2023-12-171-19/+19
| | | | | | | | | | | - Exclude doc build output from git - Fix missing doc build dependency - Also includes some involuntary automatically persistent linting by vscode Co-authored-by: Ilya Dryomov <idryomov@redhat.com> Co-authored-by: Anthony D'Atri <anthony.datri@gmail.com> Co-authored-by: Zac Dover <zac.dover@proton.me> Signed-off-by: Daniel Clavijo <dclavijo@opennebula.io>
* doc: Fixes two typos and grammatical errors. Signed-off-by: Sina Ahmadi ↵sinashan2023-12-041-2/+2
| | | | <sinatak1373@live.com>
* doc/start: fix typo in hardware-recommendations.rstAnthony D'Atri2023-11-131-1/+1
| | | | Signed-off-by: Anthony D'Atri <anthonyeleven@users.noreply.github.com>
* doc/start: Modernize and clarify hardware-recommendations.rstAnthony D'Atri2023-10-171-139/+252
| | | | Signed-off-by: Anthony D'Atri <anthonyeleven@users.noreply.github.com>
* doc/start: update hardware recsZac Dover2022-07-141-15/+24
| | | | | | | | | | | | | This PR picks up the parts of https://github.com/ceph/ceph/pull/44466 that were not merged back in January, when that pull request was raised. Matters added here: * improved organzation of matter * emphasis of IOPs per core over cores per OSD Signed-off-by: Zac Dover <zac.dover@gmail.com>
* doc: Fix many spelling errorsJosh Soref2022-07-031-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * administrators * allocated * allowed * approximate * authenticate * availability * average * behavior * binaries * bootstrap * bootstrapping * capacity * cephadm * clients * combining * command * committed * comparison * compiled * consequences * continues * convenience * cookie * crypto * dashboard * deduplication * defaults * delivered * deployment * describe * directory * documentation * dynamic * elimination * entries * expectancy * explicit * explicitly * exporter * github * hard * healthcheck * heartbeat * heavily * http * indices * infrastructure * inherit * layout * lexically * likelihood * logarithmic * manually * metadata * minimization * minimize * object * of * operation * opportunities * overwrite * prioritized * recipe * records * requirements * restructured * running * scalability * second * select * significant * specify * subscription * supported * synonym * throttle * unpinning * upgraded * value * version * which * with Plus some line wrapping and additional edits... Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>
* doc/start: Polish network section of hardware-recommendations.rstAnthony D'Atri2022-06-141-14/+18
| | | | | | | Harmonize network throughput notation, minor tweaks to wording. Followup to #46637 Signed-off-by: Anthony D'Atri <anthonyeleven@users.noreply.github.com>
* doc/start: rewrite hardware-recs networks sectionZac Dover2022-06-131-19/+31
| | | | | | | | | | This rewrites the first two-thirds of the "Networks" section of the Hardware Recommendations page in the Intro to Ceph document. I have tried to divide the techincal content in this section into subsections that foreground the various subjects covered. Signed-off-by: Zac Dover <zac.dover@gmail.com>
* doc/start: update "memory" in hardware-recs.rstZac Dover2022-05-311-13/+14
| | | | | | | | This PR corrects some usage errors in the "Memory" section of the hardware-recommendations.rst file. It also closes some opened but never closed parentheses. Signed-off-by: Zac Dover <zac.dover@gmail.com>
* doc/start: alphabetize hardware-recs linksZac Dover2022-03-011-2/+2
| | | | | | | | | | | | | | | | This PR alphabetizes the internal and external references at the bottom of the Restructured Text. (This is really just a PR made so that I can show how to make a documentation pull request.) (In a video.) (For people who prefer step-by-step instructions in video form.) Signed-off-by: Zac Dover <zac.dover@gmail.com>
* doc/start: include A. D'Atri's hardware-recs recsZac Dover2022-02-281-70/+108
| | | | | | | | | | | | | | | | | | | | | | | This PR restores material about partition alignment and material about separating OS and OSD data that was removed in an earlier rewrite. The restoration of this information was requested by Anthony D'Atri in https://github.com/ceph/ceph/pull/45123/ This PR also includes several refinements to the language that could not be made to this text until now, owing to my (Zac's) ignorance and illiteracy. I call upon Mark Nelson (and anyone else with sufficient command of the current state of storage technology) to advise me on whether the Ceph Foundation feels comfortable in the year 2022 referring to QLC as an emerging technology. Signed-off-by: Zac Dover <zac.dover@gmail.com> (squash) more notes and revisions Signed-off-by: Zac Dover <zac.dover@gmail.com>
* docs/start: fixes typo and empty headline in hardware recommendation docsSebastian Schmid2022-01-041-3/+1
| | | | Signed-off-by: Sebastian Schmid <mail@sebastian-schmid.de>
* doc/start: remove journal info from hardware recsZac Dover2021-12-081-40/+4
| | | | | | | | | | | This PR removes mentions of journaling from the hardware recommendations. Journaling was a FileStore-related practice. BlueStore is the default backend for Ceph OSDs and has been since Luminous. The documentation should reflect that. Signed-off-by: Zac Dover <zac.dover@gmail.com>
* doc: add disk benchmarking and cache recommendationsDan van der Ster2021-12-021-0/+119
| | | | | | | | Advise operators on how to benchmark devices for BlueStore, and how to tune the volatile write cache for optimal OSD performance. Fixes: https://tracker.ceph.com/issues/53161 Signed-off-by: Dan van der Ster <daniel.vanderster@cern.ch>
* docs/start: fix min. hardware rec. typoZac Dover2021-10-041-1/+1
| | | | | | | | | | | | The minimum hardware recommendations said that we recommended a minimum of "24GB+ per daemon". I changed this to read "2-4GB+ per daemon". Reddit actually caught this one: https://www.reddit.com/r/ceph/comments/q14ey2/cephs_mon_minimum_requirements/ Signed-off-by: Zac Dover <zac.dover@gmail.com>
* doc/start/hardware-recommendations.rst: Corrected typoBobby Alex Philip2021-06-151-1/+1
| | | | | 129GB - >128GB Signed-off-by: Bobby Philip bobbyphilip@gmail.com
* doc: misc clarity and capitalizationAnthony D'Atri2020-10-121-44/+61
| | | | Signed-off-by: Anthony D'Atri <anthony.datri@gmail.com>
* doc: fix broken hyper linkKefu Chai2020-09-011-1/+1
| | | | | | this link was broken in 1427905c473e352e7cac1a9ac209cddb82544b57 Signed-off-by: Kefu Chai <kchai@redhat.com>
* doc/start: Update hardware recommendations.Mark Nelson2020-03-261-43/+79
| | | | Signed-off-by: Mark Nelson <mnelson@redhat.com>
* doc: remove prod cluster examples from hardware recsZac Dover2020-01-161-43/+0
| | | | | | | | | This PR removes the now-very-old (2012) production cluster examples from the hardware recommendations page. Sage requested this change in IRC on 14 Jan 2020. There is no issue link. Signed-off-by: Zac Dover <zac.dover@gmail.com>
* doc/start/hardware-recommendations.rst: minor tweaksAmrita422019-10-221-2/+2
| | | | | | | | * Hard Disk Drive: Replaced word 'accelerate' with 'optimize' * Networks: Replaced word 'have' with 'has' Fixes: https://tracker.ceph.com/issues/42379 Signed-off-by: Amrita Sakthivel <asakthiv@redhat.com>
* doc: filesystem to file systemPatrick Donnelly2019-09-101-1/+1
| | | | | | "Filesystem" is not a word (although fairly common in use). Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
* doc: remove recommendation for kernel.pid_maxBen England2019-05-061-10/+0
| | | | | | now that Ceph uses async messenger, setting kernel.pid_max = 4194303 should not be necessary anymore. Even if kernel thread limit is 32K and we have 100 drives, that's 320 threads per OSD, I think that should be enough. Signed-off-by: Ben England <bengland@redhat.com>
* doc: Updated dashboard iSCSI configuration, added labelsLenz Grimmer2019-03-311-0/+2
| | | | | | | | Added note about the requirement for the latest ceph-iscsi version 3 to the dashboard documentation. Added some doc references and replaced some URLs in the iSCSI docs with reST labels instead. Signed-off-by: Lenz Grimmer <lgrimmer@suse.com>
* doc/start/hardware-recommendations: refresh recommendations for RAMSage Weil2018-10-081-5/+23
| | | | Signed-off-by: Sage Weil <sage@redhat.com>
* doc/start/hardware-recommendations.rst: link to Ceph blogNathan Cutler2018-07-171-3/+3
| | | | Signed-off-by: Nathan Cutler <ncutler@suse.com>
* doc: cleanup: prune Argonaut-specific verbiageNathan Cutler2018-07-171-6/+1
| | | | | | | | | | Also drop all release-specific upgrading instructions (they only go up to Firefly, anyway - none of the current releases are covered). Note that all of this verbiage I am removing here can still be accessed on docs.ceph.com via e.g. http://docs.ceph.com/docs/firefly/ Signed-off-by: Nathan Cutler <ncutler@suse.com>
* doc/start: Removed contractions for ESL speakers.John Wilkins2017-07-271-1/+1
| | | | Signed-off-by: John Wilkins <jowilkin@redhat.com>
* doc: recommend against btrfsSage Weil2017-06-301-6/+2
| | | | Signed-off-by: Sage Weil <sage@redhat.com>
* doc: fix the links to http://ceph.com/docsKefu Chai2017-03-151-1/+1
| | | | | | | they should point to http://docs.ceph.com/docs/master/.. instead Fixes: http://tracker.ceph.com/issues/19090 Signed-off-by: Kefu Chai <kchai@redhat.com>
* doc/start/hardware-recommentdations: cosmeticZhao Junwang2016-08-051-1/+1
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* doc: remove i386 from minimal hardware recommendationsKefu Chai2016-07-131-4/+1
| | | | | | | as we don't build or test on i386 machines now. also, we don't build i386 releases anymore. and regular users are on amd64 or arm. Signed-off-by: Kefu Chai <kchai@redhat.com>
* doc: do not include ext4 as an exampleSage Weil2016-04-121-3/+3
| | | | Signed-off-by: Sage Weil <sage@redhat.com>
* doc: Added sysctl max thread count discussion.John Wilkins2014-08-291-0/+10
| | | | | | Fixes: #6142 Signed-off-by: John Wilkins <john.wilkins@inktank.com>
* doc: Include links from hardware-recommendations to glossaryKevin Dalley2014-05-021-3/+3
| | | | | | Included :term: in parts of hardware-recommendations so that glossary links appear. Signed-off-by: Kevin Dalley <kevin@kelphead.org>
* doc: Removed Calxeda example.John Wilkins2014-01-171-35/+1
| | | | Signed-off-by: John Wilkins <john.wilkins@inktank.com>
* doc: Fixed typo, clarified example.John Wilkins2013-10-231-8/+13
| | | | Signed-off-by: John Wilkins <john.wilkins@inktank.com>
* doc: Updated docs for OSD Daemon RAM requirements.John Wilkins2013-10-231-50/+55
| | | | | | fixes: 4423 Signed-off-by: John Wilkins <john.wilkins@inktank.com>
* doc: Added ARM. Added Calxeda hardware example.John Wilkins2013-10-231-34/+71
| | | | | | fixes: #5608 Signed-off-by: John Wilkins <john.wilkins@inktank.com>
* doc: Moved recommendations sections to Intro.John Wilkins2013-09-201-0/+334
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
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