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.This independent review of SpinRite 5.0 originally appeared on, and was written for, the 'Accountant's Ledger' web site. After that web site was taken down, we retrieved the page from the Internet's amazing.If you wish to verify the authenticity of our local copy of the review, will take you to the original archived review. Feature overviewWhat does this software do?SpinRite 5.0, a 95,872 byte program written in assemblylanguage, operates on fixed and removable disks to make them run perfectly. This is notdisk partition software or a super Windows ScanDisk program.
SpinRite does things thatfew, if any, other utilities can: It scrubs your drive surfaces, finding and fixing anyproblems it encounters. If data is unreadable by DOS or Windows (or other utilities),SpinRite recovers the data and makes it readable again. Using SpinRite 5.0For the rest of us, all that really matters is that SpinRite works and works very well.Using SpinRite is simple and straightforward. First, you spend about 5-10 minutescreating a clean DOS boot disk. There should be no terminate-and-stay-resident programs orother non-essential stuff. Only the drivers used to access your hard disk and removablestorage drives, and any disk partition software you normally load with DOS or Windows,should be included.
For example, if you use an Iomega Jaz or Zip drive via a parallel orSCSI connection, you need to insert GUEST.EXE into the AUTOEXEC.BAT file on the boot disk.Metaphorically, this raises the Jaz or Zip flag for SpinRite to see. (GUEST.EXE is locatedin the folder containing Iomega tools.) Be sure to put SpinRite on the diskette too. (Themanual provides good instructions for creating a SpinRite boot disk.)Note: A new feature in SpinRite 5.0 is the ability to start the program from withinWindows. However, removable storage, disk partitioning, and other drivers may becontrolled by Windows, and thus, be invisible to SpinRite. A clean SpinRite boot disk isthe best way to ensure access to everything.SpinRite displays letters for each drive it finds. Choosing which to check is easy andquick.
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SpinRite can check diskettes, removable storage like Jaz and Zip, and virtually anyfixed hard disk. The first time you run SpinRite on a drive, it performs diagnostics andgathers drive information. This is saved as the drives fingerprint to speed upfuture SpinRite sessions.SpinRite offers five operational levels. Each represents a deeper level of analysis.The base levels (1 through 3) examine drive surfaces, recover unreadable data, and refreshdrive surfaces by reading and writing each sector and electronically realigning the dataunderneath a drives read/write heads.
At Level 4, Deep Defect Analysis, SpinRiteperforms deep surface analysis and defect scrubbing operations, analyzes the entire drivesurface to certify its data storage integrity, and performs full data recovery. Thedeepest operational analysis, called Restore Good Sectors (level 5), does everything aboveplus it returns previously marked bad areas to use if they pass the tests 100%.The first time you use SpinRite, I strongly recommend level 4 or 5 analysis. Then every3-4 months run a surface refresh (level 3). Each year thereafter, run a level 4 or 5analysis. Of course, if your drive starts to act peculiar, pull out the SpinRite boot diskand run a level 5. Testing SpinRite 5.0If youre wondering how fast SpinRite completes its tasks, let me put this way:.
Plan a long lunch or a round of golf for a fixed hard disk (depending on its size). Go home and forget about it when analyzing a removable drive (Zip disk or Jaz cartridge). Get coffee and a cinnamon roll for a disketteSpinRite was run on a 3 year old Pentium 133 PC with a 2.1 GB fixed hard disk drive, aninternal Iomega Jaz 1 GB drive, an Iomega ZipPlus drive, and a 1.44 MB diskette drive.Running Level 4, Deep Analysis, on my fixed hard disk took 2 hours 31 minutes. Digimon world re digitize codes always hungry.
(A largerdrive would take longer.) By comparison, in 1988 SpinRite 1.0 took over 12 hours toperform similar tests on a 120 MB hard drive. Gibson Researchs claims of speedimprovements is no exaggeration. My fixed hard disk was pronounced very healthy nodefects, no bad spots, etc.Operations on the internal Jaz drive with a SCSI connection took 14 hours 48 minutes.Again, a clean bill of health. Level 4 tests on the ZipPlus drive with a parallelconnection and a diskette drive took 4 hours 48 minutes and 6 minutes, respectively. Bothcame through beaming with health.One reason SpinRite is able to perform such deep analyses and obtain an accuratepicture of fixed or removable storage is because it does not depend on your operatingsystem or hard drive control mechanisms. It bypasses features like read/write caches,which are tricks used to make disks appear faster than they really are. It works with thedisk controller.
In short, it digs down into the guts of the drive and controller to doits job. No other utility program does this. Iomega Zip and JazA small percentage of Zip and Jaz drive users experience a phenomenon called the Click ofDeath. While sounding dramatic, it simply means a Zip or Jaz drive stops reading/writing aparticular disk or cartridge, or stops working with media. The cause is suspected to beunreliable writing to the removable media.Gibson Research, the maker of SpinRite 5.0,is working on solutions.
First, SpinRite 5.0 can recover some Click of Death disks andcartridges. The likelihood of success depends a lot on specific technical characteristicsof the disk or cartridge involved. But, SpinRite does work often enough to be a usefultool.Second, Gibson Research is now working on two additional programs for removable media.A utility will check drives to see if they are unreliably writing to disks and cartridges.Another program, Windows-based, is being designed to fix a removable disk or cartridge (ifpossible) after the Click hits it, or possibly, through regular monitoring, before ithits. If you have an Iomega or another brand removable media device, check outand join Gibsons mailing list to receive announcements. Also, contact Iomega andsuggest they provide Gibson Research more open assistance in this effort. It will benefitthem and you. ConclusionIn the last 10 years, I have found no other utility program that makes me feel safer aboutthe deep down workings of a hard disk drive, a critical component of my computer.
Too fewaccounting firms and corporations use SpinRite, and all seem to experience some type oftime-wasting, frustrating, expensive hard disk problems. SpinRite is far less expensivethan data loss and hard disk replacement, especially as the disk ages. SpinRite is theonly product I have and continue to recommended to anyone and everyone using a PC.Formore information, visit the.
6.0/ June 7, 2004; 15 years ago ( 2004-06-07)none (none)Written inIncluded (doesn't use OS of host PC)runnable fromAny PC0.169 MB executable, 1.40 MB bootable disk image with FreeDOS OSAvailable inEnglishWebsiteSpinRite is a for scanning magnetic data storage devices such as, recovering data from them and refreshing their surfaces. The first version was released in 1987.
Version 6.0, still current as of August 2019, was released in 2004. SpinRite is run from a medium (such as a CD, DVD or USB memory stick) on a computer, allowing it to scan a computer's hard drive and file system. Contents.History SpinRite was originally written as a hard drive tool. At the time SpinRite was designed, hard drives often had a defect list printed on the nameplate, listing known bad sectors discovered at the factory. In changing the drive's interleave, SpinRite needed to be able to remap these physical defects into different logical sectors. SpinRite therefore gained its data recovery and testing capabilities as a side-effect of its original purpose. Gibson states that today, drive interleave is no longer an issue, but the data recovery features of the tool proved to be so useful that it evolved into the data recovery tool that it is today.Features SpinRite tests the data surfaces of writeable magnetic disks, including IDE, and floppy disks.
It analyzes their contents and can refresh the magnetic disk surfaces to allow them to operate more reliably.SpinRite attempts to recover data from hard disks with damaged portions that may not be readable via the operating system. When the program encounters a sector with errors that cannot be corrected by the disk drive's, it tries to read the sector up to 2000 times, in order to determine, by comparing the successive results, the most probable value of each.
The data is then saved onto a new block on the same disk; it cannot be saved elsewhere. In this respect SpinRite differs from most software, which usually provides (and recommends) an option to save the recovered data onto another disk, or onto a separate partition on the same disk.says his software was specifically designed to fix. However, if a hard drive's circuit board, drive motors or other mechanical parts are defective, or there is systemic, SpinRite may be of little or no help. When a hard drive begins to fail due to mechanical faults, a program like SpinRite may extend its life long enough to carry out successful file recovery with other specialized software.SpinRite is claimed by its developer to have certain unique features, such as disabling of disk write caching, disabling of auto-relocation, compatibility with disk compression, identification of the 'data-to-flux-reversal encoder-decoder' used in a drive, and separate testing of and unbuffered disk read performance.
Another important feature is direct hardware-level access, whereby the drive's internal controller interacts directly with the program, rather than through the operating system. This, in turn, allows dynamic head repositioning, whereby, when reading a faulty sector, the reading head is deliberately moved backwards and forwards many times, by varying amounts, in the hope that each time it returns to the sector, it may come to rest in a slightly different position.
By performing on the succession of results thus obtained, SpinRite is, according to its maker, often able to 'reconstruct' data from damaged sectors, and even in those cases in which complete reconstruction proves impossible, SpinRite is able to extract all intact bits from a partially damaged sector, and to copy them to a new block, thereby minimizing the amount of data lost.Some claims by SpinRite's author have proved controversial. The ability to 'refresh' aging drives has been met with particular skepticism while the 'recovery' of sectors marked as 'damaged' is considered by some to be undesirable and counter-productive.SpinRite is written in, and runs on any computer, regardless of the operating system installed. It can operate on any attached storage device with a compatible interface.Drives in computers with incompatible processors can be tested by attaching the drive to a compatible computer.
Spinrite is distributed as a executable program which can create a bootable drive containing both the MS-DOS-compatible operating system and the Spinrite program itself.Version 6 is compatible with hard disks containing any or file system such as or 32, as well as other, and others. SpinRite 2.0, circa 1991.Version 6 offers full access to the entire disk surface regardless of, parameters and control of partial scanning within a specified percentage range. Version 5 was limited to (PATA, IDE) hard drives; version 6 may, on suitable motherboards, work on newer (SATA) and hard drives, and with any other type of drive—, 1394/—that can be made visible to MS-DOS through the addition of controller or add-on DOS.The price as of October 2018 was 89, unchanged over many years. Documentation may be downloaded from the SpinRite website.On May 9, 2013 Steve Gibson announced the start of work on Spinrite 6.1 and 7. As of January 2020, version 6.0 is the current version.Issues Solid state drives Spinrite can be run and can be effective on, but running in a higher-level mode than 1 or 2 is detrimental, as it wears the SSD by writing to it unnecessarily. In episode #387 of the podcast Gibson said 'Run Level 2 because Level 1 is not permitted to fix anything' 'The difference is both Level 1 and 2 are read-only, and that's the key. You don't want to run Level 4' In episode 194 of the podcast Gibson said that he could 'see absolutely no possible benefit to running SpinRite on a solid-state drive' and later 'SpinRite is all about mechanics and magnetics, neither of which exist, by design, in an SSD'.
In episode 338 Gibson clarified 'it is actually detrimental because solid-state drives don't like to be written', but also pointing out that a read-only run could be beneficial: 'SpinRite's Level 1 is a read-only scan, and doing that on an SSD makes a lot of sense. Do a read-only scan of an SSD, it'll show the SSD's controller that it's got a problem reading a sector, and then it'll map that out or rewrite it in order to strengthen that sector, if possible. So that ends up being a value for SpinRite on solid-state drives.' Also, Gibson posted on his website that 'SpinRite is seeing many successes. with non-spinning solid-state (thumb) drives!'
On SATA drives While drives are supported, SATA controllers that include a processor and diagnostic software can limit SpinRite's ability to obtain and display data ('thin controller' SATA controllers do not have this limitation). This data monitor does not affect SpinRite's recovery and diagnostics ability; S.M.A.R.T. Data when available helps long-term disk maintenance and failure prediction. GRC said in 2006 that this issue would be resolved in version 6.1, anticipated to be a free-of-charge upgrade for SpinRite 6.0 users.
As of January 2020, version 6.0 is the current version. Large drives. SpinRite error on large drivesIn certain cases, Spinrite can only analyze somewhere between the first 128 gigabytes and 1024 gigabytes of a drive depending on whether the drive has 512 bytes per sector or 4096 bytes per sector, and depending on the BIOS in use.SpinRite uses method when addressing the hard drive. This 28-bit addressing scheme is broken down as:. Cylinder (16-bits): 0–65535. Head (4-bits): 0–15.
Sector (8-bits): 0–255This limits SpinRite to access a maximum of 268,435,456 sectors. Once SpinRite reaches track number 65,535 it will experience a error and halt with an error message. This appears to be due to a restriction of the FreeDOS operating system (an MS-DOS clone) supplied with Spinrite.
Some users have reported that Spinrite has problems with very large drives, and that using, say, the Microsoft version of MS-DOS known as Windows 98 DOS 7, Spinrite will test the entire drive without software error; other users report that this did not resolve the Division Overflow error.A December 2011 page on the Spinrite Web site says that an anomaly, which was named the 'Roger anomaly' after its discoverer, is due to an error in the BIOS of some motherboards which does not affect normal use and hence may not be discovered. A motherboard with this problem will not work with Spinrite, although it is sometimes resolved in a later BIOS update. In case of a motherboard compatibility issue, Spinrite say that drives can always be temporarily connected to another motherboard where 'SpinRite will almost certainly agree to operate without trouble'.
Drive size is not mentioned as a factor.Reception in 1989 listed SpinRite as among the 'Distinction' winners of the BYTE Awards, stating that while alternatives had appeared, 'for now, SpinRite is our pick'. See also.References. Retrieved August 8, 2019. Security Now! June 26, 2013.
Retrieved November 21, 2013. ^. Retrieved August 8, 2019. Security Now!
July 31, 2008. Retrieved November 21, 2013. Mainelli, Tom (August 2, 2004). Retrieved November 21, 2013. Zeltzer, Jay S. (August 10, 2005).
Archived from on November 25, 2005. Retrieved November 21, 2013. Navas, John (February 26, 2000).:. (Criticism in 2000 of SpinRite's stated operating principles). Watkins, Don (May 2005). PCNet Online. Retrieved November 21, 2013.
^ Goldstein, Leon A. (July 19, 2004).
Retrieved November 21, 2013. Gibson Research Corporation Internet Newsgroup Discussion Forums. Retrieved August 23, 2016. CORPORATION, Steve Gibson, GIBSON RESEARCH.
Retrieved September 11, 2018. Security Now! April 30, 2009.
Retrieved November 21, 2013. Security Now! February 2, 2012. Retrieved November 30, 2012. Retrieved November 29, 2012. ^. Retrieved January 29, 2010.
On May 26, 2012 v6.0 was the only version offered for sale on the GRC Web site. February 16, 2012.
Retrieved February 27, 2012. STEVE: And SpinRite 6.1 timing, I have no idea. It is, however, the next major thing I'm going to do. It will be a free upgrade for everyone who has 6.0, oh these many years. And the target is to catch it up with things that have happened since.
And then we'll see where we are. I would love to move on to 7.0 and add a bunch of new features, as well. Neowin Forums: A Collection of Essential Guides. Retrieved December 11, 2012.
^. December 20, 2011. Retrieved November 21, 2013. January 1989.
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