SSD's & Defragmentation

Hello.
I want to buy a new MacBook Air 13 inch.
It will be my first Apple computer with an SSD (my current model was a late 2010 MacBook with an HDD & 2 Gbs RAM!).
Naturally, it used to require a defragmentation once in awhile, but, recently I read in a comoputer's magazine, that by defragmenting an SSD, the user tends to damage it. Is this true? And if so, what's the best option, when dealing with an SSD?
To degragment or to not degragment... that's the question...
Thanks for any information you may provide me with.
All the best.

JMPC wrote:
 Naturally, it used to require a defragmentation once in awhile, but, recently I read in a comoputer's magazine, that by defragmenting an SSD, the user tends to damage it. Is this true? And if so, what's the best option, when dealing with an SSD?
You DONT defrag it.
Best option?       absolutely nothing is the answer.
JMPC wrote:
 In any case, I'm happy to know that an SSD's more reliable than a HDD.
Thats not the case at ALL,  theyre not fragile to bumps and drops like a conventional HD is......
other than that in the "reliable" dept, all bets are off.

Similar Messages

  • Defragmentation on SSD drives

    We just moved our Sybase ASE15.7 databases from standard "mechanical" HDD drives to SSD drives (IBM SAN).
    We suspect that with SSD drives, ASE indexes/tables will require less maintenance against fragmentation.
    1) Is reorg/recreate maintenance on tables/indexes still relevant with data on SSD drives?
    After moving the db devices to SSD drives, I still see index fragmentation using derived_stat() on sysobjets/sysindexes values.
    So I suspect that reorg/recreate indexes are still important but their impact on SSD won't be as important as on standard HDD.
    2) Is the concept of fragmentation applicable when a table/index is sent to cache?
    In other terms, once the object is loaded in cache, should we ignore the fact that the table was initially fragmented?
    Thanks,
    Vincent

    Regardless of drive storage technology, ASE uses cluster ratio's and the like (among many other factors) to choose optimal query plans.  So these number very much matter.  If comparing the same query plans from mechanical drive to SSD, you obviously will see a performance improvement because the physical io's are faster with SSD (perhaps).   What you _might_ consider is changing the ratio of the two configuration parameters
            cost of a logical io = 2,        cost of a physical io = 25
    which by default states that a physio is 12.5 times longer than a cache hit.  For SSD, that ratio might look something more like
             cost of a logical io = 2,        cost of a physical io = 8
    maybe more maybe less,  your mileage may vary, but what that does is close the gap between these two costs so that the performance aspect of the storage is more likely taken into account by the optimizer.  BTW - this could be true for SAN based storage (for one example) with heavy caches in front of them as well.
    Bottom line is that your "fragmentation" numbers play a role in optimization and query plan determinations.  Performance of the arrived at query plan is influenced by the storage tech (and cpu, network, etc).

  • Comparison of SSD with hard disk drives

    Attribute or characteristic
    Solid-state drive
    Hard disk drive
    Spin-up time
    Instantaneous.
    May take several seconds. With a large number of drives, spin-up may need to be staggered to limit total power drawn.
    Random access time[45]
    About 0.1 ms - many times faster than HDDs because data is accessed directly from the flash memory
    Ranges from 5–10 ms due to the need to move the heads and wait for the data to rotate under the read/write head
    Read latency time[46]
    Generally low because the data can be read directly from any location; In applications where hard disk seeks are the limiting factor, this results in faster boot and application launch times (see Amdahl's law).[47]
    Generally high since the mechanical components require additional time to get aligned
    Consistent read performance[48]
    Read performance does not change based on where data is stored on an SSD
    If data is written in a fragmented way, reading back the data will have varying response times
    Defragmentation
    SSDs do not benefit from defragmentation because there is little benefit to reading data sequentially and any defragmentation process adds additional writes on the NAND flash that already have a limited cycle life.[49][50]
    HDDs may require defragmentation after continued operations or erasing and writing data, especially involving large files or where the disk space becomes low. [51]
    Acoustic levels
    SSDs have no moving parts and make no sound
    HDDs have moving parts (heads, spindle motor) and have varying levels of sound depending upon model
    Mechanical reliability
    A lack of moving parts virtually eliminates mechanical breakdowns
    HDDs have many moving parts that are all subject to failure over time
    Susceptibility toenvironmental factors[47][52][53]
    No flying heads or rotating platters to fail as a result of shock, altitude, or vibration
    The flying heads and rotating platters are generally susceptible to shock, altitude, and vibration
    Magneticsusceptibility[citation needed]
    No impact on flash memory
    Magnets or magnetic surges can alter data on the media
    Weight and size[52]
    The weight of flash memory and the circuit board material are very light compared to HDDs
    Higher performing HDDs require heavier components than laptop HDDs that are light, but not as light as SSDs
    Parallel operation[citation needed]
    Some flash controllers can have multiple flash chips reading and writing different data simultaneously
    HDDs have multiple heads (one per platter) but they are connected, and share one positioning motor.
    Write longevity
    Solid state drives that use flash memory have a limited number of writes over the life of the drive.[54][55][56][57] SSDs based on DRAM do not have a limited number of writes.
    Magnetic media do not have a limited number of writes.
    Software encryption limitations
    NAND flash memory cannot be overwritten, but has to be rewritten to previously erased blocks. If a software encryption program encrypts data already on the SSD, the overwritten data is still unsecured, unencrypted, and accessible (drive-based hardware encryption does not have this problem). Also data cannot be securely erased by overwriting the original file without special "Secure Erase" procedures built into the drive.[58]
    HDDs can overwrite data directly on the drive in any particular sector.
    Cost
    As of October 2010, NAND flash SSDs cost about (US)$1.40–2.00 per GB
    As of October 2010, HDDs cost about (US)$0.10/GB for 3.5 in and $0.20/GB for 2.5 in drives
    Storage capacity
    As of October 2010, SSDs come in different sizes up to 2TB but are typically 512GB or less[59]
    As of October 2010, HDDs are typically 2-3TB or less
    Read/write performance symmetry
    Less expensive SSDs typically have write speeds significantly lower than their read speeds. Higher performing SSDs and those from particular manufacturers have a balanced read and write speed.[citation needed]
    HDDs generally have symmetrical read and write speeds
    Free block availability andTRIM
    SSD write performance is significantly impacted by the availability of free, programmable blocks. Previously written data blocks that are no longer in use can be reclaimed by TRIM; however, even with TRIM, fewer free, programmable blocks translates into reduced performance.[25][60][61]
    HDDs are not affected by free blocks or the operation (or lack) of the TRIM command
    Power consumption
    High performance flash-based SSDs generally require 1/2 to 1/3 the power of HDDs; High performance DRAM SSDs generally require as much power as HDDs and consume power when the rest of the system is shut down.[62][63]
    High performance HDDs generally require between 12-18 watts; drives designed for notebook computers are typically 2 watts.

    I wish I could get my head round the SSD vs HDD with a NLE rig.  My builder is trying to persuade me to use a Toshiba 256Gb THNSNC256GBSJ for OS and programs, and it is only NZ$20 more expensive than the 450Gb 10k rpm VelociRaptor I was originally planing to use for the OS.  That sounds suspiciously cheap to me, and I am concerned about the finite writes to SSD - mainly because I don't really understand it.  
    The rest of the new build is
    3930K
    Gigabyte X79-UD5
    8 x DDR3 1600
    Coolermaster with 750W PSU
    Geforce GTX570
    I plan to transfer the drives from my current system as a starting point, and reassess after giving it some use.  That means
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    300Gb 10k rpm Raptor  (currently used for OS in old box)
    150Gb 7k4 rpm Raptor (reserved for Photoshop Scratch in old box)
    2 x 1Tb WD Blacks (data drives)
    2 x 1Tb WD USB3 externals
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    I know it must be like banging your head against the wall, but should I avoid that SSD and go with the 450G Raptor?   I have read a comment that the WD Blacks don't work well as Raid0.  Is that BS or true?
    I am about to give the go-ahead so need to confirm the spec.

  • Can't install windows XP to a macbook pro with an Intel X25-M SSD

    It's a strange problem:
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    (part number: SSDSA2MH080G1C5)
    After installing the SSD into the macbook pro, everything works.....in OSX. Installation of 10.5.5 went without problem, all updates/firmware applied, everything works fine.
    The problems start when you try to install XP. We used the boot camp assistant, and created a 32GB partition, put in a XPSP2 disk, and start the installation.
    Everything starts up nicely and goes to the blue/white text based installer for XP. It loads drivers, and then reaches the point where it would ask you to select a disk to install to (where you would normally see the three partitions, 1 being the FAT32 you select as C:).
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    If you use the original 320GB drive, everything works as expected, (nothing wrong with the laptop hardware, or the installation CD). If you stay in OSX, everything works as expected. (nothing wrong with the Intel SSD either)
    To further add information, we also installed the Intel SSD into a Mac Pro (2008) as a second drive, booting to a windows installation (through boot camp) on the first disk. Windows boots fine, but there is no sign of the other drive AT ALL. (not a driver issue here - there simply isn't any hardware here as far as windows is concerned.)
    That brought us to our conclusion that there is something awry in the BIOS/EFI
    being presented to Windows, that doesn't support the Intel X25M drive at all.
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    Given the Intel SSDs are using their SOC (system on a chip), (I believe - but I could be wrong on that one) perhaps that just isn't supported by the EFI?
    Would appreciate some advice on where to go from here? These SSDs cost about 1400AUD+ each, so we'd rather like to actually use them....
    I suspect we're asking/requiring for an EFI update.
    (to head off some questions: Yes, we've used different discs, and also different computers...The disk and hardware themselves are just fine. Also, the drive WAS formatted with a GPT paritition.)
    Thanks!

    From reading Vista forums support for SSD is one of the things Vista SP2 and Windows 7 hope (need) to improve upon. I was in a similar discussion once befoe on SSDs:
    http://discussions.apple.com/thread.jspa?messageID=8482110
    http://news.cnet.com/8301-13924_3-10026010-64.html
    http://www.intel.com/design/flash/nand/mainstream/index.htm
    http://www.google.com/search?hl=en&rls=com.microsoft%3Aen-US&q=IntelSSDVista
    I don't think it is EFI issue, but with XP and drivers, lack, and wonder if you can try with Vista?
    http://arstechnica.com/news.ars/post/20080908-intel-tosses-hat-into-ssd-ring-wit h-80gb-launch.html
    That won't solve performance issues, but should work.
    http://www.reghardware.co.uk/2008/07/22/sandiskssd_vistabeef/
    "My guess is that [Samsung and Microsoft] are maybe working on the OS recognizing an SSD with a 4K-byte sector size instead of a hard disk drive with a 512-byte sector size," Wong said.
    Sun is already working with Samsung to bulk up SSD support on the ZFS (Zettabyte File System), which is included in the Solaris OS, and will also be supported in Apple's upcoming Mac OS X 10.6, codenamed Snow Leopard. Sun is adding capabilities to boost the durability and performance of SSDs on ZFS-based operating systems. For example, Sun may add defragmentation capabilities for SSDs, which organizes data in a particular order to enable quicker data access.
    SSDs were not considered ideal for defragmentation because of limited read-and-write capabilities, Wong said. However, Samsung and Sun in July jointly announced an 8G-byte SSD that bumped up durability from 100,000 read-and-write cycles to 500,000. That brings defragmentation in SSDs closer to reality, which could improve its caching and provide quicker access to data. Sun plans to put SSDs into storage products later this year.
    http://www.itworld.com/operating-systems/54115/samsung-microsoft-talks-speed-ssd s-vista

  • Please help! Major problems (performan​ce and lock-ups) with brand new W520 with Intel 520 SSD

    My company primarily uses HP machines but I've been a long time IBM (now Lenovo) fan so I recently had IT purchase me a new Lenovo W520 (product ID 42763LU).
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    8GB RAM
    NVIDIA Quadro 1000M
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    Hitachi 500GB HDD (optical bay) [HTS727550A9E365]
    Intel Advanced-N 6205 network adapter
    TouchChip Fingerprint Scanner
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    2. Removed the cover on the machine and removed/reinstalled the drive to verify it was secure.Everything looked good.
    3. Verified the latest firmware is installed on all my Intel hardware. Everything seemed up to date.
    4. I performed a number of troubleshooting steps like booting the machine with/without the battery, with/without the HDD in the optical bay, installed/removed from the docking station, etc. and none of these things helped (also a note – occasionally when running on the battery I was hearing a strange “buzz” or “static” sound coming from the area around the SSD).
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    5.2. Turn off PCI express link state power management in the power manager. This didn’t fix anything.
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    5.4. I followed online steps to edit the registry to disable the PCI link power management by adding ports, adding the required variables, and setting them all to 0. This did seem to have fixed the hangs and/or lock-ups but the machine is still much slower than I would expect (boot times are still pretty slow and it does “stutter” when I’m doing more than one thing at a time. Also a note here – I have the Intel SSD toolbox installed and I noticed that it was giving me a warning for DIPM not being optimized. I made the mistake of clicking “Tune!” and then started having the hang/lock-up issues again. I went back into the registry and sure enough the PCI link power management variables for ports 0 and 1 were set back to 1. I set them back to 0 and the hangs have gone away. I will not be “tuning” the DIPM through the Intel SSD toolbox again…
    6. I also fixed a couple of other minor errors I was seeing in the event viewer by disabling benign services and/or making slight timeout modifications (I researched each issue on the internet to verify they were benign before I implemented any changes). These fixes didn't seem to do anything other than make some of the errors/warnings go away. So, the list of errors/warnings has become much smaller but I’m still getting the following (maybe an issue, maybe not?):
    Event ID 37 for every processor saying that they are in a reduced performance state for xx seconds since the last report
    Event ID 10002 - WLAN Extensibility Module has stopped
    Event ID 4001 - WLAN AutoConfig service has successfully stopped
    Event ID 27 – Intel® 82579LM Gigabit Network Connection link is disconnected
    I suspect the WLAN errors have something to do with windows fighting with the Lenovo access connection tools?
    7. Since the machine still seemed slow I downloaded the program AS SSD and checked the performance of the SSD. When I compared my performance numbers to the benchmark numbers I found onlineI was very surprised to discover that I’m getting about 50% of the performance that I should (values below are read/write).
    Seq: 262.11 / 188.32 (s/b 504.58 / 298.28) [MB/s]
    4K: 15.83 / 44.92 (s/b 21.70 / 62.60) [MB/s]
    4K-64Thrd: 165.23 / 154.46 (s/b 241.38 / 234.08) [MB/s]
    Acc.time: 0.218 / 0.294 (s/b .0186 / 0.208) [ms]
    Score: 207 / 208 (s/b 314 / 327)
    Overall Score: 533 (s/b 797)
    One more note - it seems like my cooling fan is running at a high speed almost all of the time. This is probably one of my power settings (I think I have it set for max performance) but it's even doing this when there is no load (i.e. I'm using IE and just vieweing webpages - like right now).
    So, I apologize for such a long post but I’ve spent countless hours researching and troubleshooting this problem and haven’t been able to figure out what the heck is wrong here. Am I missing something simple or do you guys think I have a SSD and/or problem with the machine itself? To say that any and all help would be greatly appreciated would be a massive understatement – I’m on the verge of pulling my hair out and I really need this machine working as quickly as possible!
    Please let me know if you have any suggestions and/or need additional information. Thanks in advance for your help!
    -Erik

    Lol gotcha about the drive as an option. I didn't go SSD with mine. Do you have the latest firmware on your drive? It is supposed to be v1.97. Just checking (ah and I see item 3 so guess so). Do you have the SSD drive toolbox software installed?
    http://downloadcenter.intel.com/SearchResult.aspx?​lang=eng&ProductFamily=Solid+State+Drives+and+Cach​...)
    Seems some useful tools are in there. I can't say much beyond that with the drive. Oh. Why does your fan always run at high speed? Can you describe that?  I mean, are we troubleshooting the right kind of issue? Is there anything else going on with your system? I saw about the reduced core speeds message. what are your system loads like? Anything causing high cpu utilization? Could be something other than the drive causing your low numbers and lockups.

  • Best way to  (re)install Mountain Lion fresh on a new ssd

    Hi,  I've been running Mountain Lion on my 2010 Mac Pro 3.2ghz but it's got incredibly slow with only 120 GB on a 1 TB HDD.. I've used every utility to try to clean my old drive and speed things up (DiskWarrior, defragmentation, etc) without much help I don't want to carry over all the stuff to a new SSD. I'd like to start clean with an entirely new OS install of Mountain Lion on a Samsung 512GB SSD. I've got all the software and once it's upgraded I'll figure out which files to carry forward or keep all the data files on another drive with links. I'll figure that out eventually.
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    FatMac\>MacPro wrote:
    You don't need to upgrade anything, as I believe you suspect. A straight install of ML will get you there. I did the same thing on a Crucial M500 last week and it's working like a charm. And that was on a 2010 Mac Pro.
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  • Results and a Procedure for SSD Upgrade on T410s

    After finding that my T410s 1.8" hard drive was 35% - 60% slower than the variety of 2.5" SATA Hard Drives in my older Thinkpads, I selected a Kingston SSDNow V+180 128GB for $219 for the SSD upgrade from Amazon because this Kingston model had the best price for published performance.
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    System:  T410s with 1.8" Toshiba 250G drive > upgraded to Kingston SSDNow V+180 128GB
                                                        HDD             SSD               Improvement
    Sequential Read 1000MB           47 MB/s        190 MB/s       304%
    Sequential Write 1000MB           46                 150                 226%
    Random Read       512KB           21                 174                 728%        
    Random Write       512KB           22                 149                 577%
    Random Read           4KB          0.30               14.0              4566%   
    Random Write           4KB          0.68               16.0              2253%
    Upgrade Procedure
    To complete the upgrade, I restored a Windows 7 Disk Image from the HDD to the SSD.  Partition Alignment and TRIM were both correct after the transfer to the SSD.  The Windows 7 image was on a USB drive where I maintain a Fresh Install image that has my full setup. 
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    - The Disk Imaging mentioned in this post is built into Windows 7 - Acronis is great but not needed for this SSD upgrade.
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    Other Results
    Windows 7 boots to the login screen in 16 seconds now compared to 28 seconds before.
    The T410s with the Toshiba HDD was a real drag compared to my older T500 and T61 with stock 5400rmp Hard Drives. 
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    The measured results I get from the Kingston are a little slower than the results published in an independent review of this drive using the same free CrystalDiskMark utility.  I know my Partition Alignment is good, so maybe the different results are caused by some difference in the computers.  To make sure the disk image transfer wasn't causing a performance hit, I also performed a from-scratch install of Windows 7 directly on the SSD. The performance tests results were the same with either method getting Win7 on the SSD.
    The 1.8" Toshiba Hard Drive that came with the T410s was painfully slow, I am a little surprised Lenovo would put this drive in one of their business class systems.
    Solved!
    Go to Solution.

    Thank you for posting this.  It was very helpful in my decision to move from the Toshiba 250G drive to the 256G Kingston.  The performance of the drive is awesome.  I thought I would share a few items on how I went through the upgrade.
    I used the Lenovo Rescue and Recovery and performed a full BASE backup.  It took about 12-14 hours to backup around 220 GB. 
    I then replaced the old drive with the new drive.
    After replacing, I used the two recovery DVDs to restore to factory settings.
    After back to factory, I went through all the basic setup so I could use the OS.
    I then downloaded the critical update for Recuse and Recovery.
    After that I ran rescue and recovery with the option to replace everything.
    The restore of the data took 3-6 hours (didn't sit around to watch the whole thing).
    Everything was restored perfectly.  No issues at all. 
    I had read that you could boot off of the external backup on USB, but I couldn't validate that myself.  Lenovo tech support also said it couldn't be done.  I had reviewed my plan with Lenovo support a few times to be sure I was doing things right.  The knowledge level on R&R is pretty inconsistent.
    Also, a note that my original drive was encrypted with PGP Whole Disk Encryption.  When R&R backs up the data it's no longer encrypted and I didn't have a password on the backup.  I turned off disk defrag after the restore.  I confirmed Windows 7 was set to use TRIM.
    I highly recommend the drive.  The 256GB wasn't cheap, but I needed that amount of space.  The performance like I said, is excellent.
    Good post, swbca.  Thanks!

  • Defragment​ation on ssd in windows 7 yes or no

    When i have installed a Samsung 850 evos ssd 500 gb, do i then have to make any changes in windows 7 home premium 64 bit, to ensure the best performance from the ssd? I have read a couple of different oppinions about the subject defragmentation, but what is your opinion about that, when using a installed ssd? Should it be on or off, and also are there any other changes that perhaps should be made?
    Best regards to everyone
    This question was solved.
    View Solution.

    hpenvy1 wrote:
    When i have installed a Samsung 850 evos ssd 500 gb, do i then have to make any changes in windows 7 home premium 64 bit, to ensure the best performance from the ssd? I have read a couple of different oppinions about the subject defragmentation, but what is your opinion about that, when using a installed ssd? Should it be on or off, and also are there any other changes that perhaps should be made?
    Best regards to everyone
    Defragging of an SSD should never take place. If im not mistaken samsung also delivers software suited to ensure that the SSD runs at optimal performance with user input. If defragging is schedualed on your win7 machine and the SSD is your main drive, namely where your OS resides you should turn it off. I do beleive win7 is smart enough to realise that an SSD is installed but im not sure, as for win8.1 this is done automatically.
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    AMD E1-2500 Radeon 8200
    Samsung SSD EVO 840
    Corsair DDR3 8192 MB RAM
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  • Size of SSDs for Photoshop CS5, LR3, Windows 7

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        I would like to use WD hard drives for a storage drive and another for a  working drive (4 internal drives total) as the computer functions for family Internet, too.  Now, I store my main Lightroom catalogs and photos on an external drive so I can move them between my desktop and laptop.  My PS interests usually lie in collages of 6-8 photos (layers) and stringing photos together for landscapes.  Lightroom does a lot of my editing adjustments other than that.  I'm looking at 8MB of RAM for now, again for the budget.
        What do you suggest?

    Ok, SSD's and photoshop...
    there are a lot of differnet ways to handle this question none of them are easier then the other ..
    I just did this like a month  ago and here is what i did. *** note** Now i am not suggesting you follow my steps, but you can do something similar at a much lower price range
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    second drive set is a pair of 10krpm 300gb raptor drives striped for a 600 gd data drive.
    I have a 2x 2TB hard drives that are my archives but i keep them off line.
    Now here is where it gets complicated.
    You want to write to your SSD as little as possable for longevity of the drives mostly. so first thing is you want no swapper, no automatic defragmentation and several other SSD spacific settings like hibernation etc, if you have been doing the research you already know all this.
    Now i took that and went a step even further and this is not something you would want to do unless you are extreeeemly confortable with playing around with OS configurations.
    I during the OS build set all my user directories, program data, set the swapper to the Physical data hard drive set as well as the PS scratch disk, Internet caches etc..
    This make it so that my primary boot and program files drive never gets written to unless there is an update or i am installing something.
    The second Physical drive handles all the changing data. User profiles, personal settings, desktop, etc.
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    I have only used 35 gigs out of the 110 gig ssd installing all my apps and os including several very large games.
    If i had to do it again i would do it exactly the same way.
    Now, if you are not so confident in your OS skills and simply want an SSD for the extreme speed it will provide you.  I would still suggest only using a single SSD and use a second physical drive.
    Several reasons, its a heck of a lot cheaper.
    Place your scatch disk, your OS swapper file (ssd does not need a swapper file but unless you have an ungodly ammount of memory you should always have one some place), temp directories and internet explorer cache locations onto the physical drive. Also to store your data on it.
    SSD are too expensive to use for data storage or swapper/scratch drives at this point and it does not buy you anything speed wise using it as cache or temp folders. additionally when you are simply storing images you don't need that extreemly quick you will not see a noticable difference opening a photo on physical hd or SSD its just not that much data.
    One last thing, unless your in an extreem rush, i would wait 6 months.  with SATA 3 and USB-3 coming around and already showing on most new motherboards, newer faster SSD's and physical drives will be making their way to the market pretty quick.

  • REFS, lost hard disk space after Windows defragmentation

    Hi,
    first some short information about the Server.
    Windows Server 2012 Datacenter
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    Raid  = Level 6
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    The system drive is a SSD, after running this Server about 150 days and unnecessary little Windows problems i remembered the garbage collector for SSD (TRIM).
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    My problem was, that I couldn't deselect the big raid volume, but i gave it a try an scheduled weekly the optimization.
    Next day i got some alerts "low disk space warnings", i've lost about 1 TB of disk space but could not explain how I could lost this amount of space.
    After starting a resizing of the raid, i counted with file property the real used space and could not explain the shown size in the overview.
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    Is defragmentation on refs possible/useful or is it just an bug with that  "Defragment and Optimize Drives" tool?
    Are the any information's about fixing troubles on REFS or commands on PS oder cmd? (could not find anything on google)
    I've got some books for WS2012 and e-books but there are no helpful information's about REFS.
    I know this is a big text block, but i wanted to show you detailed the problem and my attempts to solve this problem. 
     I hope you could help me or show me new ways to solve this problem.
    Tanks in future....!

    ReFS formats by default to 64KB block sizes (shows up in Disk Management as "Allocation Unit Size" when you go try formatting).
    NTFS formats by default to 4 KB block sizes and up to 64KB.
    If you have 1 file that is 4KB in size, and you use ReFS (default block size), it's going to occupy the entire 64KB.  That is true of NTFS if you choose to format in 64KB (required for SQL and Hyper-V VHD's and VHDX's).
    If your files are smaller than 64K, then stick with NTFS.
    Yong Rhee [MSFT]
    That is true for the defaults for ReFS but its possible to use a smaller allocation size using the options. Unfortunately most never think to do that.
    Place your rig specifics into your signature like I have, makes it 100x easier!
    Hardcore Games Legendary is the Only Way to Play!
    Vegan Advocate How can you be an environmentalist and still eat meat?

  • Defrag Detects RAID-0 HDD as SSD

    I originally posted this on the Microsoft Community Windows 8.1 forum.  A Microsoft Support Engineer responded by telling me it would be better suited in Microsoft TechNet forum.  So here I am.  Any help would be appreciated.
    Anyway, I have Windows 8.1 Update 1 installed on a SSD drive.  I have a second SSD drive that is used for programs that benefit from high read rates.  Finally, I have four HDDs that are setup up as two RAID-0 arrays.  One is used for programs
    while the other is used for storage.  Defrag detects the SSDs as SSDs, and the first RAID-0 array is detected as a HDD.  However, the second RAID-0 array is detected as a SSD.  As a result, I can't defrag the drive using the GUI utility.  (UPDATE: 
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    Hi
    DarWun,
    Disk Defragmenter uses the
    Windows System Assessment Tool (WinSAT) to evaluate the performance of the device by getting the “random read disc score” of the device. The performance threshold was determined by some I/O heuristics
    through WinSAT to best distinguish SSD from rotating hard disks. 
    Here is a blog for reference:
    Windows 7 Disk Defragmenter User Interface Overview
    http://blogs.technet.com/b/filecab/archive/2009/11/25/windows-7-disk-defragmenter-user-interface-overview.aspx
    There is a key in the registry, the Defragmenter will recognize the device as SSD when the value is above a specific valus.I recommend you check the values
    of “randomreaddiskscore”.Here is the path:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\WinSAT
    Here is a similar discussion(Pay attention to Tim`s response ):
    Why Windows 8 and 8.1 defragment your SSD and how you can avoid this
    http://www.outsidethebox.ms/why-windows-8-defragments-your-ssd-and-how-you-can-avoid-this/#sel=77:7,77:9
    NOTE: This response contains a reference to a third party World Wide Web site. Microsoft is providing this information as a convenience to you. Microsoft
    does not control these sites and has not tested any software or information found on these sites.
    Best regards   

  • Two Kingston SSD dead on Satellite L850-1PD

    I replaced my mechanic hard drive with a Kingston SSD and after two months the drive just stopped working. I got my money back and bought another Kingston SSD on another supplier. After another couple of months the new drive stopped working again. I'm on the process of replacing it with a new one however, at this point, I believe that there is something wrong with the laptop causing the hard drives to fail.
    If more details are needed, I can provide them.
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    I dont think that the issue could be related to the notebook.
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    Disk defragmentation is only useful for common spinning HDD that have moving parts but not for SSD drive!
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  • MSI Gt70 Dragon Edition Change 750gb HD for 1TB SSD drive

    hello
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    Quote from: Prometheus06 on 08-January-14, 20:44:58
    hello,
    this laptop  have 2 SSD drives Msata in super RAid and 1 HD 2'5" of 750Gb
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  • NO SSD Hardware but getting Event ID: 257 Error 0x80070057 on new Upgrade to Windows 8.1 Pro

    Hi Folks
    I am getting this error after upgrading to W 8.1 Pro from W 8.0 on TWO different partitions on a 2 TB HDD that has THREE partitions. The third one, I just reimaged it for a W 8.1 Pro Lab, OPTIMIZED OKAY. My other 1 TB HDD drive with 2 partition optimized fine.
    At the present time, the only Flash Drives I have are Thumb Drives (Jump Drives) which are NOT "check off" for optimization.
    I DO NOT have any SSD's!!!
    Thank You for your attention to this issue,
    Crysta
    PhotM Phantom of the Mobile

    Hi Alex,
    I have done the 3 partitions on the 2 TB HDD.  Drive F appears to have had  no problems in either Analysis or Defrag AND did not have any problems in the GUI run neither!!!
    PS C:\Windows\system32> Optimize-Volume -DriveLetter f -analyze -Defrag –Verbose
    VERBOSE: Invoking defragmentation on W 8.1 Pro F (F:)...
    VERBOSE: Analysis: 0% complete...
    VERBOSE: Analysis: 6% complete...
    VERBOSE: Analysis: 7% complete...
    VERBOSE: Analysis: 8% complete...
    VERBOSE: Analysis: 10% complete...
    VERBOSE: Analysis: 11% complete...
    VERBOSE: Analysis: 12% complete...
    VERBOSE: Analysis: 13% complete...
    VERBOSE: Analysis: 14% complete...
    VERBOSE: Analysis: 15% complete...
    VERBOSE: Analysis: 17% complete...
    VERBOSE: Analysis: 18% complete...
    VERBOSE: Analysis: 19% complete...
    VERBOSE: Analysis: 20% complete...
    VERBOSE: Analysis: 21% complete...
    VERBOSE: Analysis: 22% complete...
    VERBOSE: Analysis: 23% complete...
    VERBOSE: Analysis: 24% complete...
    VERBOSE: Analysis: 25% complete...
    VERBOSE: Analysis: 26% complete...
    VERBOSE: Analysis: 27% complete...
    VERBOSE: Analysis: 28% complete...
    VERBOSE: Analysis: 29% complete...
    VERBOSE: Analysis: 30% complete...
    VERBOSE: Analysis: 32% complete...
    VERBOSE: Analysis: 33% complete...
    VERBOSE: Analysis: 34% complete...
    VERBOSE: Analysis: 38% complete...
    VERBOSE: Analysis: 39% complete...
    VERBOSE: Analysis: 76% complete...
    VERBOSE: Analysis: 78% complete...
    VERBOSE: Analysis: 79% complete...
    VERBOSE: Analysis: 80% complete...
    VERBOSE: Analysis: 100% complete.
    VERBOSE:
    Pre-Optimization Report:
    VERBOSE:
    Volume Information:
    VERBOSE: Volume size = 250.00 GB
    VERBOSE: Cluster size = 4 KB
    VERBOSE: Used space = 67.67 GB
    VERBOSE: Free space = 182.33 GB
    VERBOSE:
    Fragmentation:
    VERBOSE: Total fragmented space = 0%
    VERBOSE: Average fragments per file = 1.00
    VERBOSE: Movable files and folders = 260787
    VERBOSE: Unmovable files and folders = 4
    VERBOSE:
    Files:
    VERBOSE: Fragmented files = 1
    VERBOSE: Total file fragments = 2
    VERBOSE:
    Folders:
    VERBOSE: Total folders = 7290
    VERBOSE: Fragmented folders = 0
    VERBOSE: Total folder fragments = 0
    VERBOSE:
    Free space:
    VERBOSE: Free space count = 1222
    VERBOSE: Average free space size = 152.62 MB
    VERBOSE: Largest free space size = 38.27 GB
    VERBOSE:
    Master File Table (MFT):
    VERBOSE: MFT size = 1.23 GB
    VERBOSE: MFT record count = 1295615
    VERBOSE: MFT usage = 100%
    VERBOSE: Total MFT fragments = 3
    VERBOSE: Note: File fragments larger than 64MB are not included in the fragmentation statistics.
    VERBOSE: Performing pass 1:
    VERBOSE: Free Space Consolidation: 0% complete...
    VERBOSE: Free Space Consolidation: 1% complete...
    VERBOSE: Free Space Consolidation: 8% complete...
    VERBOSE: Free Space Consolidation: 16% complete...
    VERBOSE: Free Space Consolidation: 26% complete...
    VERBOSE: Free Space Consolidation: 36% complete...
    VERBOSE: Free Space Consolidation: 46% complete...
    VERBOSE: Free Space Consolidation: 56% complete...
    VERBOSE: Free Space Consolidation: 65% complete...
    VERBOSE: Free Space Consolidation: 75% complete...
    VERBOSE: Free Space Consolidation: 85% complete...
    VERBOSE: Free Space Consolidation: 95% complete...
    VERBOSE: Free Space Consolidation: 100% complete.
    VERBOSE: Performing pass 2:
    VERBOSE: Free Space Consolidation: 0% complete...
    VERBOSE: Free Space Consolidation: 1% complete...
    VERBOSE: Free Space Consolidation: 14% complete...
    VERBOSE: Free Space Consolidation: 25% complete...
    VERBOSE: Free Space Consolidation: 35% complete...
    VERBOSE: Free Space Consolidation: 46% complete...
    VERBOSE: Free Space Consolidation: 56% complete...
    VERBOSE: Free Space Consolidation: 67% complete...
    VERBOSE: Free Space Consolidation: 77% complete...
    VERBOSE: Free Space Consolidation: 88% complete...
    VERBOSE: Free Space Consolidation: 98% complete...
    VERBOSE: Free Space Consolidation: 100% complete...
    VERBOSE: Free Space Consolidation: 100% complete.
    VERBOSE:
    Post Defragmentation Report:
    VERBOSE:
    Volume Information:
    VERBOSE: Volume size = 250.00 GB
    VERBOSE: Cluster size = 4 KB
    VERBOSE: Used space = 67.67 GB
    VERBOSE: Free space = 182.33 GB
    VERBOSE:
    Fragmentation:
    VERBOSE: Total fragmented space = 0%
    VERBOSE: Average fragments per file = 1.00
    VERBOSE: Movable files and folders = 260787
    VERBOSE: Unmovable files and folders = 4
    VERBOSE:
    Files:
    VERBOSE: Fragmented files = 1
    VERBOSE: Total file fragments = 2
    VERBOSE:
    Folders:
    VERBOSE: Total folders = 7290
    VERBOSE: Fragmented folders = 0
    VERBOSE: Total folder fragments = 0
    VERBOSE:
    Free space:
    VERBOSE: Free space count = 1214
    VERBOSE: Average free space size = 307.26 MB
    VERBOSE: Largest free space size = 38.27 GB
    VERBOSE:
    Master File Table (MFT):
    VERBOSE: MFT size = 1.23 GB
    VERBOSE: MFT record count = 1295615
    VERBOSE: MFT usage = 100%
    VERBOSE: Total MFT fragments = 3
    VERBOSE: Note: File fragments larger than 64MB are not included in the fragmentation statistics.
    This is Drive E, which advanced through the Analysis just fine but has Errors in the Defrag like reported by the GUI method:
    PS C:\Windows\system32> Optimize-Volume -DriveLetter e -analyze -Defrag –Verbose
    VERBOSE: Invoking defragmentation on Equis (E:)...
    VERBOSE: Analysis: 0% complete...
    VERBOSE: Analysis: 1% complete...
    VERBOSE: Analysis: 2% complete...
    VERBOSE: Analysis: 3% complete...
    VERBOSE: Analysis: 4% complete...
    VERBOSE: Analysis: 5% complete...
    VERBOSE: Analysis: 6% complete...
    VERBOSE: Analysis: 7% complete...
    VERBOSE: Analysis: 8% complete...
    VERBOSE: Analysis: 9% complete...
    VERBOSE: Analysis: 10% complete...
    VERBOSE: Analysis: 11% complete...
    VERBOSE: Analysis: 12% complete...
    VERBOSE: Analysis: 13% complete...
    VERBOSE: Analysis: 20% complete...
    VERBOSE: Analysis: 96% complete...
    VERBOSE: Analysis: 97% complete...
    VERBOSE: Analysis: 99% complete...
    VERBOSE: Analysis: 100% complete.
    VERBOSE:
    Pre-Optimization Report:
    VERBOSE:
    Volume Information:
    VERBOSE: Volume size = 1.32 TB
    VERBOSE: Cluster size = 4 KB
    VERBOSE: Used space = 1.15 TB
    VERBOSE: Free space = 177.33 GB
    VERBOSE:
    Fragmentation:
    VERBOSE: Total fragmented space = 5%
    VERBOSE: Average fragments per file = 1.08
    VERBOSE: Movable files and folders = 679880
    VERBOSE: Unmovable files and folders = 4
    VERBOSE:
    Files:
    VERBOSE: Fragmented files = 1815
    VERBOSE: Total file fragments = 50782
    VERBOSE:
    Folders:
    VERBOSE: Total folders = 31651
    VERBOSE: Fragmented folders = 988
    VERBOSE: Total folder fragments = 3893
    VERBOSE:
    Free space:
    VERBOSE: Free space count = 4027
    VERBOSE: Average free space size = 45.04 MB
    VERBOSE: Largest free space size = 37.33 GB
    VERBOSE:
    Master File Table (MFT):
    VERBOSE: MFT size = 6.72 GB
    VERBOSE: MFT record count = 7054847
    VERBOSE: MFT usage = 100%
    VERBOSE: Total MFT fragments = 35
    VERBOSE: Note: File fragments larger than 64MB are not included in the fragmentation statistics.
    VERBOSE: Performing pass 1:
    VERBOSE: Defragmentation: 0% complete...
    >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
    Optimize-Volume : One or more parameter values passed to the method were invalid.
    At line:1 char:1
    + Optimize-Volume -DriveLetter e -analyze -Defrag –Verbose
    + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo : InvalidArgument: (MSFT_Volume (Ob...1-a911-806e...):ROOT/Microsoft/...age/MSFT_Volume) [
    Optimize-Volume], CimException
    + FullyQualifiedErrorId : MI RESULT 4,Optimize-Volume
    The third Drive G, also had no Problems in Analysis BUT did have Errors in the Defrag like in Drive E:
    PS C:\Windows\system32> Optimize-Volume -DriveLetter g -analyze -Defrag –Verbose
    VERBOSE: Invoking defragmentation on W 8.1 Pro PR (G:)...
    VERBOSE: Analysis: 0% complete...
    VERBOSE: Analysis: 4% complete...
    VERBOSE: Analysis: 5% complete...
    VERBOSE: Analysis: 6% complete...
    VERBOSE: Analysis: 7% complete...
    VERBOSE: Analysis: 8% complete...
    VERBOSE: Analysis: 9% complete...
    VERBOSE: Analysis: 10% complete...
    VERBOSE: Analysis: 11% complete...
    VERBOSE: Analysis: 12% complete...
    VERBOSE: Analysis: 13% complete...
    VERBOSE: Analysis: 16% complete...
    VERBOSE: Analysis: 17% complete...
    VERBOSE: Analysis: 18% complete...
    VERBOSE: Analysis: 19% complete...
    VERBOSE: Analysis: 20% complete...
    VERBOSE: Analysis: 21% complete...
    VERBOSE: Analysis: 22% complete...
    VERBOSE: Analysis: 23% complete...
    VERBOSE: Analysis: 24% complete...
    VERBOSE: Analysis: 25% complete...
    VERBOSE: Analysis: 26% complete...
    VERBOSE: Analysis: 27% complete...
    VERBOSE: Analysis: 28% complete...
    VERBOSE: Analysis: 29% complete...
    VERBOSE: Analysis: 30% complete...
    VERBOSE: Analysis: 31% complete...
    VERBOSE: Analysis: 32% complete...
    VERBOSE: Analysis: 33% complete...
    VERBOSE: Analysis: 34% complete...
    VERBOSE: Analysis: 35% complete...
    VERBOSE: Analysis: 38% complete...
    VERBOSE: Analysis: 39% complete...
    VERBOSE: Analysis: 76% complete...
    VERBOSE: Analysis: 77% complete...
    VERBOSE: Analysis: 78% complete...
    VERBOSE: Analysis: 79% complete...
    VERBOSE: Analysis: 80% complete...
    VERBOSE: Analysis: 100% complete.
    VERBOSE:
    Pre-Optimization Report:
    VERBOSE:
    Volume Information:
    VERBOSE: Volume size = 250.00 GB
    VERBOSE: Cluster size = 4 KB
    VERBOSE: Used space = 70.00 GB
    VERBOSE: Free space = 179.99 GB
    VERBOSE:
    Fragmentation:
    VERBOSE: Total fragmented space = 1%
    VERBOSE: Average fragments per file = 1.02
    VERBOSE: Movable files and folders = 218559
    VERBOSE: Unmovable files and folders = 4
    VERBOSE:
    Files:
    VERBOSE: Fragmented files = 1991
    VERBOSE: Total file fragments = 4405
    VERBOSE:
    Folders:
    VERBOSE: Total folders = 7350
    VERBOSE: Fragmented folders = 60
    VERBOSE: Total folder fragments = 194
    VERBOSE:
    Free space:
    VERBOSE: Free space count = 10385
    VERBOSE: Average free space size = 17.72 MB
    VERBOSE: Largest free space size = 38.27 GB
    VERBOSE:
    Master File Table (MFT):
    VERBOSE: MFT size = 1.23 GB
    VERBOSE: MFT record count = 1295615
    VERBOSE: MFT usage = 100%
    VERBOSE: Total MFT fragments = 3
    VERBOSE: Note: File fragments larger than 64MB are not included in the fragmentation statistics.
    VERBOSE: Performing pass 1:
    VERBOSE: Defragmentation: 0% complete...
    >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
    Optimize-Volume : One or more parameter values passed to the method were invalid.
    At line:1 char:1
    + Optimize-Volume -DriveLetter g -analyze -Defrag –Verbose
    + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo : InvalidArgument: (MSFT_Volume (Ob...3-bec6-806e...):ROOT/Microsoft/...age/MSFT_Volume) [
    Optimize-Volume], CimException
    + FullyQualifiedErrorId : MI RESULT 4,Optimize-Volume
    I hope this information helps....
    Best Regards,
    Crysta
    PhotM Phantom of the Mobile

  • Turn off defrag of SSD in Windows 8.1

    Greetings,
       After applying my Windows 8.1 Update 1 OS image to a tablet, I noticed that it has set the defragmenter to automatically defrag my SSD. This is an appalling default and Im very surprised MS hasnt fixed it.
      Does anyone know a registry hack or something that I can do in my task sequence to turn of all automatic defragmenting in Windows 8.1 permanently please?
    Thanks
    David Z

    This is not something you have to worry about. The defrag task will recognize that this is an SSD and exit.
    Thanks,
    -Michael Niehaus
    Senior Product Marketing Manager, Windows Deployment
    http://blogs.technet.com/mniehaus
    [email protected]
    It would be nicer if it just "unchecked" the box next to the drive so that it doesnt give us a false impression.

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