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引进ACE实验室U盘 SSD等NAND FLASH存储恢复方案

来源：苏州碟科数据恢复    发布时间：2010.07.08


      NAND FLASH存储已经应用到电子数据存储的各个领域，以其能耗低，静音速度快并已经向传统磁信号存储原理的机械硬盘发起挑战,相信不久将来NAND FLASH芯片成本下降，会占领存储应用领域的大部份市场。

      目前研究对NAND FLASH的恢复，主要是对主控芯片的控制方案研究，像目前针对U盘的恢复大部份公司是对晶振　电源模块的外围电路的检测和修复，但很多故障是由于U盘瞬间插拔，电路浪涌引起主控制芯片损坏，这类问题相对恢复数据的难度比较大，传统的方法是用同型号的主控进行重新量产和替代，有可能会恢复U盘内的数据，但对于繁多的主控和NAND FLASH内的存储结构不同，这类方法的成功率是非常低的。对于SSD固态硬盘这种恢复方案根本不可能成功。

　 　碟科此次又重金引进ACE实验室成熟的恢复产品和方案，以后对上述故障的恢复成功率将大大提高，同时开始对SSD的存储控制方案原理进行深入研究，已能适应未来市场用户的数据恢复业务需求。


以下是官方解决方案原文，可参考：
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USAGE FOR FLASH DRIVES

Structurally, a flash drive consists of interface slot, controller and memory microchips.


苏州碟科U盘数据恢复方案



if you want to recover data from the drive that is not detected by PC when connected to motherboard, or a message appears that the drive is not accessible, do the following:


1. Unsolder memory microchips of the drive with the help of a soldering station.




2. Read data from microchips with the special reading device - PC Flash Reader.






3. Launch PC-3000 Flash SSD Edition tool, get a result in a form of disk image with user data.




PC-3000 Flash SSD Edition has a great number of completely automatic data recovery methods and methods that allow to manually execute single actions of the whole process:
  • To make reading process automatic, PC-3000 Flash SSD Edition solution has a great database of flash memory microchips.
  • Besides automatic modes of data recovery and analysis, our solution offers wide opportunities for individual study of recovery task with the help of large range of special utilities.



WHICH PROBLEMS CAN I SOLVE USING PC-3000 FLASH SSD EDITION?


PC-3000 Flash SSD Edition allows you to successfully recover data from flash drives at:
  • physical damages of the drive:
      - damaged USB ports
      - damaged controller microchip
      - malfunctions of electonic units
      - damaged logical board because of mechanical impact

  • logical damages of file system
  • data deleted by error
  • software errors after which data are not read or lost (drive was disconnected during data transfer)
  • defects in service area used by controller in translation mechanism.


SUPPORTED MODELS OF FLASH DRIVES


PC Flash Reader from PC-3000 Flash SSD Edition suite reads all microchips corresponding to NAND Flash interface specification.
Besides the models given in the list below, you can see a lot of them in our Global Solution Centre


Vendor Marking Capacity, Мб
Samsung K9F2808 16
K9F5808 32
K9F1208 64
K9F1G08 128
K9F1G16 128
K9F2G08 256
K9K2G08 256
K9K2G16 256
K9K4G08 512
K9K8G08 1024
K9W4G08 512
K9W4G16 512
K9W8G08 1024
K9L8G08 1024
K9LAG08 2048
K9G8G08 1024
K9GAG08 2048
K9HBG08 4096
K9NBG08 4096
Toshiba TC58NVG0 128
TC58NVG1 256
TC58NVG2 512
TC58NVG3 1024
TC58NVG4 2048
TH58NVG1 256
TH58NVG2 512
TH58NVG3 1024
TH58NVG4 2048
TH58DVG2 512
TC58DVM72A 256
TH58NVG2S3 512
H518G16M 1024
Hynix HY27UA081G1 128
HY27UF081G2 128
HY27UG082G 256
HY27UG082G4 256
HY27UT084G 512
HY27UT084G2 512
HY27UT088G 1024
HY27UT088G2 1024
HY27UH088G 1024
HY27UV08AG5 2048
HY27UV08BG5 4096
SanDisk SDTNFCH-1024 128
SDTNIGHSM-4096 512
Intel 29F08G08AAMB2 1024
29F16G08AAMC1 2048
Micron MT29F2G08 256
F4GMSAP 512
MTF4G08 512
29F08G08AAMB2 1024
MT29F8G08 1024
VData VD101M3MC03 512


In PC-3000 Flash SSD Edition hardware-software solution we have implemented the great number of algorithms which enable to recover data from the most flash drives. These algorithms support a high number of controllers used in flash memory cards.

Some of supported controllers (the list of controllers is not full because there are many controllers which use the algorithms supported by the utility that are not listed here):

Vendor Controller
OTI OTI 002168T
OTI 006828
OTI 002168
ALCOR MICRO AU6386
AU6389
AU6981
AU6982
AU9380B29-CCL
AU6380
AU6980
SMxxxx SM324QF
SM266BF
SM321QF
SM321CF
SM222TF
USBest UT161-T6G
UT163-L6
UT161-T6
UT161-LHG
UT163-T6
UT163-L6
UT165-L64
UT166
PHISON PS2134CE-G
PS2232BC-F
PS2136CF-G
PS2134CH-G
PS2136CC-G
PS2134CI-G
PS2151
Other controllers Lexar
MemoryStick
SKxxxx
PL-2515
SD

Support of new algorithms and controllers will be added when you install the updates of PC-3000 Flash from our website, and also use Global Solution Centre.




USAGE FOR SSD


Structurally, SSD is like a «big flash drive». It differs in significantly higher number of memory microchips. Also rather complex algorithms of data distribution that enable to increase speed of access to data and improve drive safety is one more fundamental difference.





We can divide a task to recover data from SSD into several stages:

1. It is necessary to disassemble the package of your drive and unsolder all memory microchips.


ssd 数据恢复方案




2. After it, you should read memory microchips to computer hard disk drive with the help of special reading device - PC Flash Reader, version 2.0.





When reading, it is very important to follow the advised order for each single type of SSD, because this will allow not only to facilitate the task but also use solutions with a proven track record.





Following this order, read data from microchip with the help of special device - PC Flash Reader.







3. Launch PC-3000 Flash SSD Edition tool and, observing the recommendations for the certain type of drives, get a result in a form of disk image with user data ready to be copied or saved.






4. To solve cases of logical damage in partition or file system, software has a big number of analysis and logical recovery methods.

New data recovery algorithms have been added to PC-3000 Flash SSD Edition software which are intended specially for SSD. Tailored “Transformation Graph” mode helps to control correct execution of operations when working with a big number of memory microchips.

Certain data recovery methods for different SSD types are accompanied by recommendations and references which helps to save the time and make data recovery process much more effective.
Global Solutions Centre is a great help at data recovery from SSD. Vast numbers of solution methods for many different flash data recovery cases, including SSD cases can help to get a successful data recovery in much shorter time, even in 3-5 minutes!






WHICH PROBLEMS OF SSD CAN I SOLVE USING PC-3000 FLASH SSD EDITION?


PC-3000 Flash SSD Edition allows you to successfully recover data from SSD at:
  • physically damaged SSD:
      - damaged slots
      - damaged controller microchip
      - malfunctions of electonic units
      - damaged logical board because of mechanical impact

  • logical damages of file system
  • data deleted by error


The probability of failures in SSD is very high because SSD are oftener and oftener used as system disks, and subjected to heavy load at OS work.
  • logical damages of service data

SSD have areas, that are used to keep service information necessary for drive functionality. These areas do not have user data stored but corruption of information in these areas causes damage of the whole drive and as a result it does not work anymore.



SUPPORTED MODELS OF SSD


PC-3000 Flash SSD Edition supports all main models of flash drive controllers and 50% of SSD controllers existing for the time being. We are constantly working on adding new algorithms to this product and studying the principles of operation applied in new controllers. Despite the variety of SSD, only four types of controllers are mostly used in SSD internal structure. These controllers are being developed and manufactured by specialized companies.

Here you can see the table that shows how the produced controllers are used by the different manufacturers of SSD.
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