![从 RAID1 阵列 (My Book Live Duo) 恢复数据](https://linux22.com/image/1122616/%E4%BB%8E%20RAID1%20%E9%98%B5%E5%88%97%20(My%20Book%20Live%20Duo)%20%E6%81%A2%E5%A4%8D%E6%95%B0%E6%8D%AE.png)
我有一台 WD My Book Live Duo 设备,我将其用作具有 RAID1 配置的网络驱动器。该设备运行了近 2 年,但突然停止工作,也就是说,它不再通过网络进行通信。因此,我正在尝试恢复我的数据。为了做到这一点,我移除了里面的 2 个硬盘(每个 2 TB),并将它们连接到运行 Ubuntu 系统的 PC,问题是我对 RAID1 系统知之甚少,也没有使用此类分区/阵列进行管理员工作的经验。我一直在尝试使用在互联网上找到的信息来恢复数据,但目前还无法访问我的数据。我希望有人能帮我解决这个问题。
sudo fdisk -l
WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sda: 2000.4 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x00000000
Device Boot Start End Blocks Id System /dev/sda1 1 3907029167 1953514583+ ee GPT Partition 1 does not start on physical sector boundary.
WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sdb: 2000.4 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x00000000
Device Boot Start End Blocks Id System /dev/sdb1 1 3907029167 1953514583+ ee GPT Partition 1 does not start on physical sector boundary.
Disk /dev/sdc: 8012 MB, 8012390400 bytes 255 heads, 63 sectors/track, 974 cylinders, total 15649200 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: 0x0007cb70
Device Boot Start End Blocks Id System /dev/sdc1 * 2048 9420799 4709376 83 Linux /dev/sdc2 9422846 15648767 3112961 5 Extended /dev/sdc5 9422848 15648767 3112960 82 Linux swap / Solaris
Disk /dev/md3: 1995.8 GB, 1995774484480 bytes 2 heads, 4 sectors/track, 487249630 cylinders, total 3897997040 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x00000000
Disk /dev/md3 doesn't contain a valid partition table
猫/proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md3 : active raid1 sda4[0]
1948998520 blocks super 1.0 [2/1] [U_] md2 : inactive sda3[0](S)
500724 blocks super 1.0
sudo mdadm --检查 /dev/sda4
/dev/sda4:
Magic : a92b4efc
Version : 1.0
Feature Map : 0x0
Array UUID : 6328fe8f:fe1171d8:081e7373:f0f4c10c
Name : MyBookLiveDuo:3 Creation Time : Wed Jul 25 23:18:29 2012
Raid Level : raid1 Raid Devices : 2
Avail Dev Size : 3897997040 (1858.71 GiB 1995.77 GB)
Array Size : 1948998520 (1858.71 GiB 1995.77 GB) Super Offset : 3897997296 sectors
State : clean
Device UUID : 4fc654bb:b038b5f5:95b07dfb:cb72a9fd
Update Time : Fri Oct 17 14:51:18 2014
Checksum : e6c639fd - correct
Events : 2776221
Device Role : Active device 0 Array State : A. ('A' == active, '.' == missing)
sudo mount /dev/md3 /mnt/raid
mount: wrong fs type, bad option, bad superblock on /dev/md3,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
sudo mdadm --检查 --扫描
ARRAY /dev/md/2 metadata=1.0 UUID=ff212100:102164c7:d017c1b8:c595e2ba name=MyBookLiveDuo:2
spares=1
ARRAY /dev/md/3 metadata=1.0 UUID=6328fe8f:fe1171d8:081e7373:f0f4c10c name=MyBookLiveDuo:3
编辑:
sudo gdisk -l /dev/sda
GPT fdisk (gdisk) version 0.8.8
Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present
Found valid GPT with protective MBR; using GPT.
Disk /dev/sda: 3907029168 sectors, 1.8 TiB
Logical sector size: 512 bytes
Disk identifier (GUID): 79317853-5A49-4E58-83F9-CB068223B1D5
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 3907029134
Partitions will be aligned on 2048-sector boundaries
Total free space is 30829 sectors (15.1 MiB)
Number Start (sector) End (sector) Size Code Name
1 1032192 5031935 1.9 GiB FD00 primary
2 5031936 9031679 1.9 GiB FD00 primary
3 30720 1032191 489.0 MiB FD00 primary
4 9031680 3907028991 1.8 TiB FD00 primary
sudo gdisk -l /dev/sdb
GPT fdisk (gdisk) version 0.8.8
Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present
Found valid GPT with protective MBR; using GPT.
Disk /dev/sdb: 3907029168 sectors, 1.8 TiB
Logical sector size: 512 bytes
Disk identifier (GUID): 5F5A7F2D-1D3C-434A-9CCD-FB8AED835564
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 3907029134
Partitions will be aligned on 2048-sector boundaries
Total free space is 3907029101 sectors (1.8 TiB)
Number Start (sector) End (sector) Size Code Name
编辑2:
这是我尝试挂载 /dev/md3 时在 dmesg 中得到的输出
EXT4-fs (md3): bad block size 65536
编辑3:
sudo parted -l
Model: ATA WDC WD20EURS-63S (scsi)
Disk /dev/sda: 2000GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Number Start End Size File system Name Flags
3 15,7MB 528MB 513MB primary raid
1 528MB 2576MB 2048MB ext3 primary raid
2 2576MB 4624MB 2048MB ext3 primary raid
4 4624MB 2000GB 1996GB ext4 primary raid
Model: ATA WDC WD20EURS-63S (scsi)
Disk /dev/sdb: 2000GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Number Start End Size File system Name Flags
Model: ATA CFast D150Q (scsi)
Disk /dev/sdc: 8012MB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End Size Type File system Flags
1 1049kB 4823MB 4822MB primary ext4 boot
2 4824MB 8012MB 3188MB extended
5 4824MB 8012MB 3188MB logical linux-swap(v1)
Model: Linux Software RAID Array (md)
Disk /dev/md3: 1996GB
Sector size (logical/physical): 512B/4096B
Partition Table: loop
Number Start End Size File system Flags
1 0,00B 1996GB 1996GB ext4
任何帮助将不胜感激。
提前致谢。
安德烈斯
答案1
我成功安装了 raid 1 阵列并恢复了数据。我使用了以下方法:
sudo fuseext2 -o ro -o sync_read -o allow_other /dev/sda4 /mnt/raid
欲了解更多信息,请参阅这篇优秀的博客文章:
[从 WD Mybook Live 2TB / 3TB (或类似产品) 恢复数据][1]http://john-hunt.com/2013/04/25/recovering-data-from-a-wd-mybook-live-2tb-3tbor-similar/