在电池电量不足的情况下将笔记本电脑置于睡眠状态后，我插入电缆并再次打开它。然后我收到有关将数据写入交换、固态硬盘超级块和英特尔固态硬盘上的 I/O 错误的错误消息。
我已经找到了一种方法来擦除固态硬盘并使其再次工作（映像或重置损坏的 SSD）。但我需要找到一种方法来备份或查看我的数据。我的 ssd 上的数据对我来说非常重要（学士论文）。请大家帮助我，欢迎提出任何想法。
以下是我使用 livecd 获取的一些信息：
fdisk -l
fdisk -l
Disk /dev/sda: 8 MB, 8388608 bytes
255 heads, 63 sectors/track, 1 cylinders, total 16384 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/sda doesn't contain a valid partition table
hdparm -I /dev/sda
hdparm -I /dev/sda
/dev/sda:
ATA device, with non-removable media
Model Number: INTEL SSDSA2BW120G3A
Serial Number: BAD_CTX 00000150
Firmware Revision: 4PC10302
Transport: Serial, ATA8-AST, SATA 1.0a, SATA II Extensions, SATA Rev 2.5, SATA Rev 2.6
Standards:
Used: unknown (minor revision code 0x0029)
Supported: 8 7 6 5
Likely used: 8
Configuration:
Logical max current
cylinders 16383 16
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 16128
LBA user addressable sectors: 16384
LBA48 user addressable sectors: 16384
Logical Sector size: 512 bytes
Physical Sector size: 512 bytes
device size with M = 1024*1024: 8 MBytes
device size with M = 1000*1000: 8 MBytes
cache/buffer size = unknown
Nominal Media Rotation Rate: Solid State Device
Capabilities:
LBA, IORDY(can be disabled)
Standby timer values: spec'd by Standard, no device specific minimum
R/W multiple sector transfer: Max = 16 Current = 1
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=120ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
Security Mode feature set
* Power Management feature set
* Write cache
* Look-ahead
* Host Protected Area feature set
* WRITE_BUFFER command
* READ_BUFFER command
* NOP cmd
* DOWNLOAD_MICROCODE
SET_MAX security extension
* 48-bit Address feature set
* Device Configuration Overlay feature set
* Mandatory FLUSH_CACHE
* FLUSH_CACHE_EXT
* General Purpose Logging feature set
* WRITE_{DMA|MULTIPLE}_FUA_EXT
* 64-bit World wide name
* IDLE_IMMEDIATE with UNLOAD
* WRITE_UNCORRECTABLE_EXT command
* {READ,WRITE}_DMA_EXT_GPL commands
* Segmented DOWNLOAD_MICROCODE
* Gen1 signaling speed (1.5Gb/s)
* Gen2 signaling speed (3.0Gb/s)
* Phy event counters
* Software settings preservation
* SMART Command Transport (SCT) feature set
* SCT LBA Segment Access (AC2)
* SCT Error Recovery Control (AC3)
* SCT Features Control (AC4)
* SCT Data Tables (AC5)
* Data Set Management TRIM supported (limit 8 blocks)
* Deterministic read ZEROs after TRIM
Security:
Master password revision code = 65534
supported
not enabled
not locked
frozen
not expired: security count
supported: enhanced erase
2min for SECURITY ERASE UNIT. 2min for ENHANCED SECURITY ERASE UNIT.
Logical Unit WWN Device Identifier: 500151795954bb60
NAA : 5
IEEE OUI : 001517
Unique ID : 95954bb60
Checksum: correct
答案1
你可能运气不好；这个 bug 太可怕了。不过，部分 加油。祝你好运！