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Text and/or other creative content from Data recovery was copied or moved into Recovery software with this edit. The former page's history now serves to provide attribution for that content in the latter page, and it must not be deleted as long as the latter page exists. |
This is just a suggestion, but shouldn't this article's name be changed to edata recovery, since it deals with data stored in electronic format, which is generally referred to as edata? This way, it wouldn't be confused with such forensic processes as recovery of hard, physical data. --Novena
I was wondering why linking to a forum discussing data recovery methods would be deemed wrong by an administrator whereas a barely related whitepaper on whether security services can read straight from a platter is ok? I thought external links to related resources that provided further reading for those interested was what WP was all about? Please don't say the great Wikipedia is going the same way as DMOZ?
note that a previous version of this article was deleted as a copyvio -- sannse (talk) 3 July 2005 11:31 (UTC)
"Recent state of the art data recovery methodologies are discussed at Recovering Unrecoverable Data a whitepaper by ActionFront Data Recovery."
I'm not sure that this is a good thing to link. Yes, it is free to get, but that's an indirect link; you have to ask for the paper in order to get it. Thoughts? --FreelanceWizard 7 July 2005 20:31 (UTC)
Thoughts (from a "biased" source ... I work for ActionFront) The entire text of the white paper is posted on the page linked-to. We used the email to track who actually gets the full-version of the paper - a small price to pay for the most definitive document on hard drives and data recovery that can be found anywhere! ...Ron Austin
To FreelanceWizard - Your comment on the page being too commercial is valid. The whitepaper link that we posted is a highly regarded document on both the internal workings of hard disk drives and the current techniques of the data recovery industry. It contributes to any serious user's understanding of the subject matter. Meanwhile during the past months, I have seen company after company simply remove other's links and post links to themselves. And whether it's Ontrack, or Runtime, generally these have been just links (advertisements) to commercial sites and make no real attempt to add value to the subject of the article. As for requesting an email address - this is a large PDF document with color photos. When we left it uncontrolled - we experienced thousands of downloads per day by individuals trying to monopolize our bandwidth and shut us down. Now you can read the entire document in a text version at the link - and if you want the fully formatted, diagrammed version - it is requested by autoreply email. (By the way there is no harvesting or any other use of email addresses as explained on the download request page) - Thanks Nick Majors (ActionFront)
Frankly - this is getting to be a little out of hand and starts become a free-for-all links page. The purpose of Wikipedia should be to provide knowledge. There is no need in a article on data recovery to provide links to commercial services who have inserted their own names for no reason other than self-serving advertisements. They make little or no attempt to contribute knowledge to the subject. I added our ActionFront whitepaper, because it is 1) An extremely comprehensive technical article with little or no marketing, 2) It discusses, explains and examines (in some detail) techniques used in the industry. 3) In an industry shrouded with secrecy and half-truths - it tries to inject some fact and dispell falsehoods without resort to vague claims of expertise. 4) It was written by Chuck Sobey who is an extremely well respected member of the disk drive manufacturing industry as oppose to a marketing. advertising writer. I would suggest we can all do without the advertisements from Ontrack, Ibas, Runtime, Disklabs, ESS, etc. etc. That's what PPC is for. If any of these companies wish to publish something helpful ON TOPIC (and hopefully more technically advanced and complimentary to this article) they should do so. FREELANCE WIZARD - What do you think? (Nick Majors, ActionFront Data Recovery) 12:11 EDT, 13 August 2005
SpinRite is not disk imaging software. It checks for errors on the disk and whether data is readable, repairing it when it can. —Preceding unsigned comment added by 70.143.25.100 (talk) 02:23, 7 September 2008 (UTC)
There seems to be some IT industry confusion as to the different specific definitions of "recovering”, "salvaging" or “rescuing” of data. Corporations such as IBM, SUN, HP, Sungard, Ironmoutain and others define "data recovery" as the process of "accessing and retrieving data from network storage devices" while other organizations and companies like Ontrack, DriveSavers and Dataleach who specialize in the niche market of rescuing data from failed storage disk drives and computeing devices also have coined such services and products as "Data Recovery". --WikEditor 17:28, 2 December 2005 (UTC)
There is an stub article on Magnetic Force Scanning Tunneling Microscopy, which claims that overwritten data can be recovered with current methods after "1000 overwrites". I find this claim dubious (to say the least!), and have tagged this latter article for cleanup. Please contribute to the discussion on that article if you know anything about MFSTM. Mtford 08:44, 15 August 2006 (UTC)
I find this difficult to believe as well. By that time, would'nt some of the poles be back in the original location, and some not? I always was under the impression that the current electron scanning microscopes could see the LAST polar path, but not past those. I think someone in the industry should clear that up. - Admiralthrawn999
The "common misconceptions" section [2] claims that it is simply impossible for overwritten data to be read from a hard drive. No sources are cited to back up this claim. Furthermore, it does not address the fact that overwritten data has been read from drives as early as 1992. See "Magnatic Force Scanning Tunneling Microscope Imaging of Overwritten Data", IEEE Transactions on Magnetics, Vol. 28, Issue 5, Part 2, September 1992, pp. 3141-3143 ISSN: 0018-9464 [3]. Here is the abstract from that article:
The magnetic force scanning tunneling microscopy is briefly discussed and demonstrated to successfully image overwritten data on commercial rigid magnetic disks. In particular, clear images of unerased remnants of the previously stored data are presented. These unerased data are attributed to slight radial deviations in write head tracking due to the intrinsic limitations in the electromechanical positioning of the head.
Contrary to the current Wikipedia article text, it is quite reasonable to expect---especially in security-sensitive contexts---that an adversary might be capable of recovering data that has been overwritten. -- Wonderstruck 03:53, 18 October 2006 (UTC)
From the article: "This claim, although theoretically possible to some extent, is today little more than a myth. The reason for this is that the method described above would, if possible, read remnants of magnetic information on the media. Taking into account that the time to read and interpret the remnants would be considerable even for a small drive (several years) and that several "previous" bits would not be able to be read correctly, it will create a time consuming and probabilistically impossible puzzle to solve."
This appears to be straight from the website of talking out of your ass. Where is the proof? [UNSIGNED]
There is no information given on where to find the procedures for recovering data from a drive with physical damage, such as crashed heads or surface damage. After a quick Google search, I found several companies offering the service, but nothing on the actual procedures or equipment needed. A link to details of the process of recovery would be a great addition to the article. Anyone? VietGrant 23:17, 7 November 2006 (UTC)
I added a section on the main procedure. I recieved the procedure from a professor of computer forensics at Purdue Universtity (2006). I added a note that not ALL data is recoverable, but most of it can be recovered. - Admiralthrawn999
I work for a recovery firm. The information that you are looking for is not readily available to the public. The procedures are proprietary and take time and resources to develop. The technology is constantly advancing as new drives are being produced every day. The one thing you can be sure of, if you drive has a hardware failure, make sure who ever does your recovery has a clean room. This is essential. (Cmbogard 13:53, 21 June 2007 (UTC))
I work for a data recovery company. I respect Wikipedia. I had checked the data recovery pages here a few times. Finally one time I noticed that my company was added to a list of companies. It had gone on the list with a bunch of others apparently and now they were in alphabetical order. I do not know who did it, but it was nice to see my company on there. Now I find the page is deleted.List_of_data_recovery_software
There is a lot of complaining above about the advertising from data recovery companies appearing on the data recovery pages, notably the List_of_data_recovery_software page which is now gone. I did not see the argument about the ActionFront white paper but all I saw was a bunch of links at the bottom for some data recovery companies in a well defined section. This did not strike me as a negative thing. Sure, in a way it may be advertising, but it was also a helpful way to show people that companies like that exist. When someone has a hard drive problem or what have you and need their data, they probably don't know any data recovery companies at all and it may be an emergency. Wikipedia could be a place they might go for a little research. They might not have known that such companies exist at all. Those links therefore would have helped that particular person in addition to helping the data recovery companies.
There are zillions of examples of advertising on Wikipedia so I don't know how you can crush this one. Look at this page Comparison_of_instant_messaging_clients. Not only are there a ton of IM clients listed but they have huge grid breakdowns of features and they even have their own dedicated pages on Wikipedia!!! Those pages have direct links to the IM client's website. I don't know how you can say this is different. Actually it is far more abusive than a few links at the bottom of an article if you see things that way. Some are "free" but there are $25 IM clients, Adware supported IM clients, subscription based IM clients. So I ask the community here to be fair and allow some page with some sort of listing of data recovery companies/services/software etc. for everyone's benefit.
Thank you. —The preceding unsigned comment was added by 12.10.116.131 (talk) 23:43, 1 February 2007 (UTC).
--
The presence of other pages containing adverts does not justify your own, similar additions. Your site does not seem to introduce anything worthwhile to the subject matter - upon inspection it is entirely dedicated to your commercial products and services.
Wikipedia is meant to be an online encyclopaedia.
SexyBern 21:23, 2 February 2007 (UTC)
I have removed the offensive commercial link and spurious advertising posted by "Trustreliance" 128.243.220.22 13:50, 25 October 2007 (UTC)D
Discussion of the meaning of a level playing field with respect to the list of data recovery companies... I was disappointed to see any list of data recovery companies. It's existence is commercial and free advertising for any in the list. It is a very incomplete list at best and misses the oldest company, Ontrack, now Kroll. I added my company to the list to level the playing field. I have been doing data recovery as long as Drivesavers starting with Ontrack's first boot recovery software and Uwe Gisseman's, Tiramisu, which became Ontrack's ER software. What justification is used to decide which companies are listed? Is it based on size, finance or just attention to the page. If any companies are listed here then the list should not be limited. I invite any further discussion. — Preceding unsigned comment added by Pdinhofer (talk • contribs) 13:40, 25 February 2020 (UTC)
Is "Zero-knowledge analysis" the same as "data carving"? A quick look suggests that they are, but as I'm no expert I'm not going to edit this. Anyway, I found this informative PDF, which might be linked to or used as a reference. Morenoodles (talk) 11:07, 6 June 2008 (UTC)
Working for Corporation and safeguarding customer data:
Can data retreival be done from a single physical drive separated from it's Raid 5 NTFS array? For instance in the scenerio where a failed drive can not be logically accessed to ensure it is wiped clean and where physically damaging the drive would make it non-returnable, what is the risk of customer data being recovered from the parts of data that are stored in that particular drive?
199.67.140.84 (talk) 21:08, 11 June 2008 (UTC)BBA
After someone else had asked for a citation supporting this assertion, I tried to source it but couldn't so I removed it. Please do not reinsert without citation or consensus discussion here on the talk page. Thanks. Untrue Believer (talk) 03:16, 6 September 2008 (UTC)
After seeing a number of spam reversions for this item [5], something needs to be done here. In the same sentence, DCFLdd is provided with an external link to its site, so it would seem HDClone would deserve the same. The question, though, is which HDClone? There seems to be a commercial product with a free version here, and an open source product with the same name here. Which is the HDClone referred to in this page? Whichever one, the link should be there, IMO. Rurik (talk) 12:18, 9 June 2009 (UTC)
FileSalvage for Mac OS X can find data after a hard disk has been formatted, regardless of format. Sierraoffline444 (talk) 20:57, 7 February 2010 (UTC)
I'm personally in the even a single pass is probably enough and no one has shown otherwise camp. Even so Data recovery#Overwritten data currently uses [6] which while interesting is something I don't like. As Guttman [7] and others have pointed out, the authors don't seem to understand there is a big difference between an magnetic force microscope and an electron microscope. As a blog, and from someone who doesn't seem to be a recognised expert in a field (as opposed to Guttman, who appears to be), I would personally suggest we can throw it out. The bigger problem is the actual paper [8] also seems to think a magnetic force microscope is an electron microscope. As a published paper it's harder for us to discard. Even so, personally I'm still reluctant to use it, it's conference proceedings published in the Lecture Notes in Computer Science and while I don't know how widely regarded this is in the computer science field, I presume it's not peer reviewed (at least I hope not otherwise it doesn't say much of the peer review). Even if we do use the paper, I think we have to word the section carefully. Another problem highlighted by Guttman is that his paper was from 1996 and was referring to techniques and encodings used at the time. The paper doesn't seem to make this distinction. Guttman himself has said (before the paper was published) that he doesn't think recovery is likely with modern HDDs and he repeated this after the paper was published. Nil Einne (talk) 18:35, 17 June 2011 (UTC)
There are so many data recovery softwares all over the world. All data recovery softwares(Commercial, shareware, freeware) are alike. The follows list the same point. 1.Select a recovery mode to begin the recovery wizard. Generally divided into ‘Quick Scan‘,‘Full Scan‘,‘Complete Scan‘,‘Partition Scan‘,‘RAW recovery‘,etc. 2.List the disks/partitions and let you select one to scan if you know the lost files location. But some softwares may ask you some questions about the lost files location, types, etc or support advance mode for professional users. 3.Scan the selected disk/partitions/special folder to find the lost files. If you can not find the lost files, some softwares may prompt you use another long scan time mode. The scan time may have a big gap according to different design mechanism. 4.Show the scan results with left tree and right list mode. Some friendly GUI support types tree, time tree or split-window mode. Such as recover my files, data trace recovery, etc. 5.Preview the files and find your lost files, then select a location to save the recover result. Most softwares can preview pictures, texts, and hex. But few can preview zip, rar, pdf, some types of audios and videos, such as EasyRecovery from Ontrack company, Data Trace Recovery from DataToUS company, wondershare data recovery. 6.Show recovery progress and names, used times, then give a recovery report,and location links. It will show you how many files succeed and failed. Then you can click the link to find the recovered files to confirm. The procedure also applies to card recovery softwares, photo recovery softwares, format recovery softwares. — Preceding unsigned comment added by PinYiBa (talk • contribs) 03:05, 21 October 2013 (UTC)
Should have some information about the commonly-recommended DIY things like freezing the drive etc and what actually happens when you do this. Wikipedia is the antidote to rumors/urban legends.
http://forum.hddguru.com/viewtopic.php?f=3&t=20957&start=20 http://www.pcreview.co.uk/forums/freezing-hdd-t4042248.html etc 71.167.66.210 (talk) 14:08, 20 March 2014 (UTC)
Gillware has a very good page about this issue. It is not recommended to freeze the hard disk or it will suffer critical damages.
https://www.gillware.com/data-recovery-services/hard-drive-freezer-data-recovery-myth/
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Merge in:
Four clearly notable topics. But data recovery is poor and the others are far worse.
Data recovery hardware says nothing. What article content there is (two sentences?) is hidden behind a pile of muda.
Data recovery software is just a redirect - but it ought to redirect here
List of data recovery software fails WP:NOTDIR. It's nothing more than a list of commercial products, with no encyclopaedic discussion of the topic or each entry. We're not here to be a directory, and we're bad at being an up-to-date one. Andy Dingley (talk) 10:43, 28 September 2017 (UTC)
Two paragraphs could possibly be removed to clean up this article: "Four phases of data recovery" reads like a guide, and "Restore disk" is possibly unrelated to the topic. What do you think? Savvygnome (talk) 01:07, 27 February 2024 (UTC)