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Add section to discuss 'zfs share' feature?
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Cheers.—cyberbot IITalk to my owner:Online 17:39, 14 April 2016 (UTC)
"This, when combined with the copy-on-write transactional semantics of ZFS, eliminates the write hole error. RAID-Z is also faster than traditional RAID 5 because it does not need to perform the usual read-modify-write sequence" ... but read-modify-write is Copy-On-Write. ZFS do not need to modify the original block. Something must be wrong!
NTFS for example is Copy-On-Write. read, write backup, modify and write new block. WAFL is Write-Anywhere or Reallocate-On-Write. read, modify fixed block, write new block to anywhere inside Flex Volume. ZFS is something like Allocate-On-Write. Perhaps it only need to write the new block inside Pool, because it use flexible block sizes.
I did some changes on the german wiki, but it's hard to find any good explaination for it. Help is needed! — Preceding unsigned comment added by SchaubFD (talk • contribs) 20:39, 29 June 2016 (UTC)
The article mentions datasets, but does not explain what that is. -- Juergen 87.175.215.51 (talk) 13:54, 16 September 2016 (UTC)
Dataset is a collective name for zfs filesystems and zvols.
A zvol is a block device created in a zpool. Typically used as a swap device and/or dump device by the OS. Can also be used to house an iSCSI or Fiber channel LUN, and for databases and other applications that expect to use a raw or block device. Can also be used to house another type of filesystem, such as UFS, FAT, ISO9660, etc.
205.228.82.178 (talk) 22:00, 18 July 2017 (UTC)
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Editors agree with refactoring. History and implementations of ZFS has been created.
Cunard (talk) 04:26, 6 May 2018 (UTC)
Should the ZFS and OpenZFS articles be merged or reorganized, and if so, in what way? If not, how do we approach the issues caused by the term "ZFS" referring to two implementations and the file system each develops (their coverage overlaps by about 99% for our purposes)? FT2 (Talk | email) 19:56, 3 April 2018 (UTC)
We have 2 articles covering pretty much 3 almost-identical/overlapping "meanings" of ZFS (as seen from a Wikipedia perspective). They probably have 99% overlap. They are:
The implementations of ZFS themselves are probably about 99.9% identical for the purposes of our coverage. Once ZFS itself is described, the histories of Oracle's and OpenZFS' versions, and any differences, would probably fit into quite a modestly sized/small section however we organize these topics.
Right now the ZFS article is a bit disingenuous. Our article on OpenZFS is fine, but our coverage of ZFS in depth (where users looking up the filing system will inevitably go), is within our article at ZFS ... and that article portrays ZFS as an Oracle product, and written by Oracle, despite that for over 10 years it's been two distinct forks, one of which has nothing at all to do with Oracle since about the days of the Pentium 4.
What to do? I don't want to leave the ZFS article representing ZFS as "Oracle", because 50% of it isn't, and that 50% is also used in far more operating systems and operating system installations than Oracle's. On the other hand to merge them (which feels sensible TBH) would replace OpenZFS by either a redirect to ZFS, or a short article with two sections ("details of ZFS" + "OpenZFS" history) almost all of which would be repeated pretty much identically or in more detail in ZFS anyhow. I've patched it a bit but it still needs dealing with.
I feel like these two articles really should be fully merged from a strictly wiki perspective, and the merged article should then emphasize both variants equally and cover their history. It would add almost nothing (lengthwise) to the ZFS article. Normal handling of very similar/overlapping topics also suggests this approach. But I have a bit of a concern that this could upset some users who might potentially be quite attached to continuing to have a specific OpenZFS-specific article.
An alternative would be to redo the split, and refactor into two articles called ZFS and Implementations of ZFS, the first covering the file system, the second covering the two variants and their histories.
Hence this RFC, to seek community views on covering these topics in a single article that's neutral to both implementations, or two articles splitting the topic between ZFS itself vs specific implementations. How should these related topics be presented?
I've also specifically asked User:Dsimic's comments, as the contributor who has made the majority of edits at OpenZFS.
FT2 (Talk | email) 19:48, 3 April 2018 (UTC)
Refactor. The article is quite long and I like the techie stuff away from the history stuff as I'm likely to be interested in one or the other at any particular point in time. Currently mulling about article naming and a couple of other issues. May be a bit of a pity to disrupt the openZFS article. Djm-leighpark (talk) 10:21, 4 April 2018 (UTC)
Comment. I don't feel qualified to !vote on what should be done about the two articles covering three closely-related topics. But I find it disappointing that the two articles don't each do more to make the reader aware of the existence of the other. Maproom (talk) 06:25, 14 April 2018 (UTC)
Refactor for the reasons mentioned by User:Djm-leighpark. I definitely agree with the position that we have an unnecessary fork here. I'd be happy with an article about ZFS which briefly mentions the history of the different implementations, and then goes into technical details, and a separate article about the history of the projects. --Slashme (talk) 06:10, 15 April 2018 (UTC)
Refactor, per nom. “WarKosign” 07:38, 17 April 2018 (UTC)
Comment ...disingenuous... and that article portrays ZFS as an Oracle product, and written by Oracle
-- Yes it is Oracle's product and nothing disingenuous in stating this (besides the fact it was developed by Sun and a bit of tweaking by Sun again but within Oracle). Forks have their own names. On the contrary, it is disingenous to overpomote forks, which are just tweaking of the major invention by Sun. Yes, Support refactoring everywhere where articles are long. Refactoring must be done per WP:Summary style. (1) Main article must describe the essentials (Origin, basic description, development history). (2) Technical detail common to all flavors (such as " Inappropriately specified systems" and "ZFS terminology and storage structure") is separate page. (3) Tables of forks and supported OSes is a separate page. (4) Significant forks are separate pages. (5) And of course PROVIDE THE FREAKING REFERENCES! Staszek Lem (talk) 17:57, 25 April 2018 (UTC)
Thanks everyone who contributed. I left the RFC open a while (almost 4 weeks) to get decent response levels.
As the consensus is pretty clear and it doesn't look like anyone else is planning to close it, I've closed it myself. If anyone wants to reopen and get an uninvolved close, that's fine by me.
I've started an article to address the fairly clear consensus, at History and implementations of ZFS, if anyone's interested. It'll take a bit of time, but in a while it'll be a decent article in its own right, and then the existing articles can be sorted out and link to it, completing the RFC consensus. Please do help! FT2 (Talk | email) 13:05, 30 April 2018 (UTC)
Hi, fellow Wikipedians!
As ZFS is a trademark belonging to Oracle, I don't think it's appropriate to lump together the open-source fork and the closed-source repo. Besides, the development of Oracle ZFS is pretty much unknown now because of its closed-source nature. Any publicly available feature additions should go to OpenZFS. Tomskyhaha (talk) 01:24, 18 May 2020 (UTC)
I removed glossary and advice in these edits:[1][2][3]
It's not the purpose of Wikipedia to teach how to use ZFS. If anyone is interested in writing a detailed guide to ZFS, they can post it on the OpenZFS wiki or consult the Oracle Solaris ZFS Administration Guide
As noted in WP:!:
Wikipedia is an encyclopedic reference, not an instruction manual, guidebook, or textbook. Wikipedia articles should not read like:
Tomskyhaha (talk) 01:38, 18 May 2020 (UTC)