User contributions for Ryao
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- 06:45, 28 June 2020 diff hist +1,928 Hardware Update background to reflect the present reality in 2020 WRT power failure protection.
- 06:12, 28 June 2020 diff hist +95 m Hardware Add Micron 5210 Ion
- 03:45, 28 June 2020 diff hist −4 m Hardware →PSU Hold-up Times
- 01:14, 28 June 2020 diff hist 0 m Hardware Typo fix
- 23:23, 27 June 2020 diff hist +366 Hardware Add UPS battery tips
- 22:59, 27 June 2020 diff hist +69 m Performance tuning →Video games directories
- 22:58, 27 June 2020 diff hist −231 m Performance tuning →Video games directories
- 22:57, 27 June 2020 diff hist +103 m Performance tuning →Video games directories
- 22:53, 27 June 2020 diff hist +635 m Performance tuning →Video games directories: Added note on performance. This is really about space savings.
- 22:44, 27 June 2020 diff hist −376 m Performance tuning →Steam: Remove redundant_metadata suggestion as it is not a performance win.
- 22:36, 27 June 2020 diff hist +5 m Performance tuning Fix typo
- 22:35, 27 June 2020 diff hist −1 m Performance tuning →Synchronous I/O
- 22:27, 27 June 2020 diff hist −13 m Performance tuning Minor update to LZ4 information
- 22:25, 27 June 2020 diff hist +396 m Performance tuning Add SQLite documentation
- 22:17, 27 June 2020 diff hist −43 m Performance tuning →Overprovisioning spare area
- 22:17, 27 June 2020 diff hist −1 m Performance tuning →Overprovisioning by secure erase and partition table trick
- 22:16, 27 June 2020 diff hist +522 Performance tuning Expand overprovisioning section to discuss NVMe
- 22:09, 27 June 2020 diff hist +43 m Hardware Added note about TRIM on Optane
- 22:07, 27 June 2020 diff hist +2 m Hardware →Optane / 3D XPoint SSDs
- 22:07, 27 June 2020 diff hist +895 m Hardware Added list of Optane drives (that is really just one right now)
- 21:51, 27 June 2020 diff hist +77 m Hardware Recommend against using Seagate Nytro 5000 M.2 as a SLOG device
- 21:49, 27 June 2020 diff hist +348 m Performance tuning Added note about Optane / 3D XPoint SSDs to Synchronous I/O
- 21:45, 27 June 2020 diff hist +387 m Hardware Add section for Optane / 3D XPoint SSDs
- 21:32, 27 June 2020 diff hist +20 m Performance tuning Fixed ashift url.
- 21:32, 27 June 2020 diff hist +8 m Performance tuning Fixed github url
- 21:31, 27 June 2020 diff hist +279 m Performance tuning Added more information on incompressible data under LZ4 compression
- 21:28, 27 June 2020 diff hist −550 m Performance tuning →Sequential workloads
- 21:26, 27 June 2020 diff hist +561 m Performance tuning Add information about larger record sizes.
- 21:21, 27 June 2020 diff hist +61 m Performance tuning →Sequential workloads
- 21:19, 27 June 2020 diff hist +376 m Performance tuning Added redundant_metadata=mostly recommendation for steam games.
- 21:07, 27 June 2020 diff hist +15 Performance tuning →Video games directories
- 21:06, 27 June 2020 diff hist +1,400 Performance tuning Added atime update advice, as well as advice for sequential workloads including file servers and games directories.
- 20:49, 27 June 2020 diff hist +1,168 Performance tuning Added suggestions concerning redundant_metadata=mostly on databases and larger record sizes on file servers
- 20:41, 27 June 2020 diff hist +163 m Performance tuning Added note about the effect of larger recordsizes on performance
- 20:37, 27 June 2020 diff hist −1 m Performance tuning Removed superfluous backlash.
- 20:37, 27 June 2020 diff hist +81 m Performance tuning Added NVMe low level formatting reference.
- 20:35, 27 June 2020 diff hist +2 m Hardware Formatted NVMe low level formatting
- 20:34, 27 June 2020 diff hist −1 m Hardware Moved NVMe low level formatting to its own subsection.
- 20:33, 27 June 2020 diff hist +390 Hardware Added NVMe low level formatting section
- 20:11, 27 June 2020 diff hist +53 m Hardware Added clarification to PSU Hold-up times
- 20:09, 27 June 2020 diff hist +13 m Hardware Minor clarification to PWR_OK information
- 20:08, 27 June 2020 diff hist +9 m Hardware Style fix
- 20:08, 27 June 2020 diff hist +632 m Hardware Added note about PWR_OK signal
- 19:52, 27 June 2020 diff hist +2,066 Hardware Added section on PSU hold-up times
- 19:19, 27 June 2020 diff hist +69 m Hardware Added link to page describing NVMe tools for low level formatting
- 19:17, 27 June 2020 diff hist +42 m Hardware →NVMe drives with power failure protection
- 19:14, 27 June 2020 diff hist +3,019 m Hardware Added XP1920LE30002
- 17:14, 1 February 2019 diff hist +6 m Performance tuning →InnoDB: typo fix
- 17:09, 1 February 2019 diff hist +684 m Performance tuning Replace corruption warning with explanation of why ext4 risks corruption without double write protection, but ZFS does not,
- 16:05, 1 February 2019 diff hist −74 Performance tuning Delete MyISAM advice. It is reportedly ineffective due to deficiencies in MyISAM.
- 21:59, 22 June 2018 diff hist −14 m Performance tuning Fix typo
- 19:04, 28 May 2018 diff hist +316 Performance tuning Add advice based on ZoL #2872 and #7573
- 15:58, 27 April 2018 diff hist +61 m User:Ryao Include full PGP fingerprint current
- 20:31, 22 April 2017 diff hist −5 m Hardware →Power
- 19:33, 22 April 2017 diff hist +87 m Hardware →Power
- 19:31, 22 April 2017 diff hist +498 Hardware Add section on electrical power
- 18:54, 22 April 2017 diff hist +82 m Features →Improve N-way mirror read performance
- 18:46, 22 April 2017 diff hist +768 Hardware Add section on BIOS / CPU microcode updates
- 16:03, 19 April 2017 diff hist +216 m Hardware Update remarks on flash pages
- 16:02, 19 April 2017 diff hist +9 m Hardware Fix remark on M.2 SSD data buses to acknowledge SATA versions exist.
- 16:42, 7 April 2017 diff hist 0 m Hardware Sort sections in alphabetical order
- 16:40, 7 April 2017 diff hist −46 m Hardware Minor text change
- 16:39, 7 April 2017 diff hist +39 Hardware Split SAS/SATA drives with power failure protection into separate sections for SAS and SATA
- 16:34, 7 April 2017 diff hist +47 Hardware Add Crucial M600 and mark various Crucial and Intel drives as SATA
- 16:31, 7 April 2017 diff hist −14 m Hardware Add Crucial MX300
- 16:29, 7 April 2017 diff hist −17 Hardware Add Crucial MX100 and remove note about MX200 being inexpensive as I am not watching prices very much.
- 16:23, 7 April 2017 diff hist +306 m Hardware Added SAS/SATA Toshiba models from https://toshiba.semicon-storage.com/us/product/storage-products/enterprise-ssd.html - The number of Toshiba models is ridiculous.
- 16:13, 7 April 2017 diff hist +1 m Hardware Add DC P3500 and DC P3600.
- 16:11, 7 April 2017 diff hist +17 Hardware Add Toshiba ZD6300
- 14:47, 7 April 2017 diff hist −51 m Hardware The Intel 750 in the 2.5" form factor is actually NVMe via U.2. It should not be on the SAS/SATA list.
- 19:16, 6 April 2017 diff hist +80 Hardware Added more Samsung drives
- 19:08, 6 April 2017 diff hist +35 m Hardware Added Samsung NVMe drives
- 17:31, 6 April 2017 diff hist +51 m Hardware Add Intel 750 to SAS/SATA section
- 17:30, 6 April 2017 diff hist +2,146 Hardware Reorganize flash storage section, add NVMe drives, add disclaimer on vendor neutrality, add criteria for inclusion into list and recommendation that anyone who finds an omission contact the openzfs mailing list.
- 16:36, 6 April 2017 diff hist +158 m Hardware The Intel 330 and 335 have been found not to have power failure protection, contrary to earlier reports.
- 14:32, 18 August 2016 diff hist +99 m Projects Add Cuckoo Filter suggestion from Mic92 in #openzfs on freenode.
- 18:02, 1 August 2016 diff hist 0 m Features Update ZoL TRIM support PR
- 15:52, 22 January 2016 diff hist +32 m Hardware Add Samsung PM863/SM863 on suggestion of Matthew Thode
- 04:39, 16 January 2016 diff hist +490 m Hardware Add note on Crucial drives
- 03:58, 16 January 2016 diff hist +169 m System Administration Add sanoid and also sort list alphabetically
- 03:57, 16 January 2016 diff hist +184 m System Administration Add bliss-zfs-scripts reference
- 15:20, 7 December 2015 diff hist +49 m Hardware Add MX200 to list
- 17:51, 29 September 2015 diff hist +153 m Performance tuning Fix deduplication description to clarify that we do not keep the DDT entries in dedicated kmem buffers long enough to actually double cache, contrary to my mistaken previous belief.
- 13:13, 23 September 2015 diff hist +9 m Feature Flags →Feature Flags Implementation
- 13:13, 23 September 2015 diff hist +74 m Feature Flags Update ZoL information to 0.6.5
- 23:25, 6 September 2015 diff hist −590 m Performance tuning ShAkE is incompatible with ZFS
- 13:33, 4 September 2015 diff hist +1,789 m Features Add disable LBA weighting description
- 16:07, 2 September 2015 diff hist +162 m Performance tuning Warn about single disk RAID 0 arrays
- 15:48, 2 September 2015 diff hist 0 m Hardware →Hardware RAID controllers
- 15:47, 2 September 2015 diff hist −11 m Hardware →Hardware RAID controllers
- 15:46, 2 September 2015 diff hist +67 m Hardware →Hardware RAID controllers
- 15:44, 2 September 2015 diff hist +59 m Hardware →Hardware RAID controllers
- 15:42, 2 September 2015 diff hist +65 m Hardware →Hardware RAID controllers
- 15:40, 2 September 2015 diff hist +45 m Hardware →Hardware RAID controllers
- 15:38, 2 September 2015 diff hist +37 Hardware →Hardware RAID controllers
- 15:35, 2 September 2015 diff hist +12 m Hardware →Hardware RAID controllers
- 15:33, 2 September 2015 diff hist +103 Hardware →Hardware RAID controllers
- 15:32, 2 September 2015 diff hist +85 m Hardware →Hardware RAID controllers
- 15:31, 2 September 2015 diff hist +10 m Hardware →Hardware RAID controllers
- 15:29, 2 September 2015 diff hist +4 m Hardware →Hardware RAID controllers