Talk:Self-Monitoring, Analysis and Reporting Technology

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Sandforce SSDs

Per: [1] It appears that Smart Attribute 198 "Uncorrectable Sector Count" in SandForce SF-2xxx based controllers is potentially misleading to most SMART software. Per the above link attribute 198 is fixed at 120 until a sample size of between 10^10 and 10^12 'BitsRead' is achieved, at which point it reports a 'normalized value' between 38-120. And it resets at power cycle to boot.

-TheDrew (talk) 03:15, 25 December 2016 (UTC)[reply]

Why is "S.M.A.R.T." consuming so much boot time?

Helo, I´m new here; it´s my first question here. And I do´nt know I´m right here.

My question: My Boot-HD is an OcZ SSD with 128GB. S.M.A.R.T. seems to consume after each PC-(Re-)Start about 135 seconds before booting is going on.

The screen shows in this time continuos: S.M.A.R.T., the HD-Number: 0, the device-character C: and the Name of the device OcZ. After this time the screen gets black and 5 seconds later the Windows logo is shown and Windows is starting. And after this Windows needs only about 10 seconds and the start screen is ready.

It´s annoying to me to loose as much time with any boot / PC start.

In BIOS I did´nt find an item like "S.M.A.R.T." or similar that is "enabled".

Is the "S.M.A.R.T."-Function in the SSD built in? How can I stop this testing?

Or needs Windows 10 pro (since 5 days ago installed on this HD and this PC) so much time and does not show what Windows is doing in this time?

Thanks for all Your help! 87.180.37.83 (talk) 11:23, 20 March 2018 (UTC)Blonder_Hans[reply]

Hi, Blonder_Hans. Wikipedia talk pages are for discussing improvements to the article, not for general help or discussion (WP:NOTFORUM). You'd better ask some place like https://superuser.com etc. -- intgr [talk] 12:00, 20 March 2018 (UTC)[reply]

Attribute "235 POR_Recovery_Count" on Samsung SSD?

I have a Samsung SSD 840 EVO 1TB and in smartctl it is showing the Attribute with ID "235 POR_Recovery_Count". In the Wikipedia article ID 235 seems to be something else, there it is called "235 Load/Unload Cycle Count" so i assume that manufacturers use that ID differently. But what is the meaning of "POR Revovery Count"? If someone has an answer it would be nice if he could add it to the article. --37.209.114.151 (talk) 00:08, 27 January 2019 (UTC)[reply]

SMART was designed for HDDs, and then forced to work with the first gens of SSDs that were all designed as drop-in functional replacements HDDs, thus requiring a lot of "creative" re-purposing of attributes originally focused on moving heads and rotating media. Little of this creativity is industry-wide and well documented. Samsung's web pages may have something, or it may not. Some SMART reporting tools use different definitions from the hardware that's reporting the SMART info, leading to a lot of confusion.

There's very little WP can do to remedy any of this.

But, just for you in this one case, I'll have a guess based on my working with SSDs: it may be counting times when the device was powered off abruptly, requiring any incomplete updates that were in progress from RAM to flash to be restarted and completed when power is restored. Note that's assuming "POR" means, per an industry standard use, "Power On Reset". --A D Monroe III^(talk) 21:36, 26 June 2019 (UTC)[reply]

Attribute 90 / 0x5A - NAND Health

HGST's 20TB OptiNAND HDD models introduce a new SMART attribute -- NAND Health, ID = 90 / 0x5A.

The document also refers to Helium Level (22 / 0x16) as "Internal Environment status".

Hard disk drive specifications, Ultrastar® DC HC560 3.5 inch Serial ATA hard disk drive, Model: WUH722020ALE6L1, WUH722020ALE6L4:

https://documents.westerndigital.com/content/dam/doc-library/en_us/assets/public/western-digital/product/data-center-drives/ultrastar-dc-hc500-series/product-manual-ultrastar-dc-hc560-sata-oem-spec.pdf

ID Attribute Name

1 Raw Read Error Rate

2 Throughput Performance

3 Spin Up Time

4 Start/Stop Count

5 Reallocated Sector Count

7 Seek Error Rate

8 Seek Time Performance

9 Power-On Hours Count

10 Spin Retry Count

12 Device Power Cycle Count

22 Internal Environment status

90 NAND Health

192 Power off Retract count

193 Load Cycle count

194 Temperature

196 Reallocation Event Count

197 Current Pending Sector Count

198 Off-Line Scan Uncorrectable Sector Count

199 Ultra DMA CRC Error Count

203.59.51.80 (talk) 20:15, 3 May 2022 (UTC)[reply]

Requested move 28 October 2022

The request to rename this article to Self-Monitoring, Analysis and Reporting Technology has been carried out.

If the page title has consensus, be sure to close this discussion using {{subst:RM top|'''page moved'''.}} and {{subst:RM bottom}} and remove the {{Requested move/dated|…}} tag, or replace it with the {{subst:Requested move/end|…}} tag.

S.M.A.R.T. → Self-Monitoring, Analysis and Reporting Technology – Not the primary topic over SMART criteria, which can also be written as "S.M.A.R.T". * Pppery * _{it has begun...} 19:24, 28 October 2022 (UTC)[reply]

Oppose, I would say the acronym itself falls under WP:COMMONNAME, similarly to BIOS or UEFI. If a distinction needs to be made, then it should be something like "S.M.A.R.T. (computing)" --Raito wa Kira desu (talk) 21:59, 30 October 2022 (UTC)[reply]

WP:NATURALDIS supersedes WP:COMMONNAME here (and the disambiguation you proposed is still ambiguous since SMART criteria can also be used in computing). * Pppery * _{it has begun...} 01:56, 31 October 2022 (UTC)[reply]

Oppose per Raito wa Kira desu}. I also want to refer to MOS:ACROTITLE. Very few computer persons know what the S.M.A.R.T. acronym actually stands for, but writing it like that, with a period after each letter, will make everyone of them understand. I think both article titles are already distinct enough. SMART criteria is already a natural disambiguation. And I have never heard of that thing :) Both Abbreviations.com and Acronymfinder list this meaning at the top, while the "criteria" meaning is a little bit below. Sure, pageviews tell a little different thing, but I think eveerything else is overwvieing--Mango från yttre rymden (talk) 00:00, 1 November 2022 (UTC)[reply]
One general exception to this rule deals with our strong preference for natural disambiguation. Many acronyms are used for several things; naming a page with the full name helps to avoid clashes - if you accept the primary topic argument then ACROTITLE does not apply here. And I have no idea what {[tq|eveerything else is overwvieing}} is trying to say. For the record I had never heard of this meaning before coming across Comparison of S.M.A.R.T. tools as part of an unrelated cleanup project, but neither my nor your prior knowledge is relevant in a primary topic discussion. * Pppery * _{it has begun...} 00:24, 1 November 2022 (UTC)[reply]