使用 Ubuntu 12.04 64 位，我在两个原始 320 Gb 硬盘中的一个上安装了 Ubuntu 12.04，在另一个硬盘上保存了大量旧备份文件。几年前，我添加了一个 1 Tb 硬盘，并使用 Back in Time 将我最近的备份保存到其中。
截至昨天，设备中没有出现 1 Tb HD。我检查了此驱动器的电源和数据插头，它们看起来正常。驱动器可能突然坏了，还是我应该检查其他东西？
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 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: 0x0002be96
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 1949333503 974665728 83 Linux
/dev/sda2 1949335550 1953523711 2094081 5 Extended
/dev/sda5 1949335552 1953523711 2094080 82 Linux swap / Solaris
Disk /dev/sdb: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 625142448 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: 0x0002e221
Device Boot Start End Blocks Id System
/dev/sdb1 * 63 353703104 176851521 83 Linux
/dev/sdb3 353703934 625137344 135716705+ 5 Extended
/dev/sdb5 614020428 625137344 5558458+ 82 Linux swap / Solaris
/dev/sdb6 353703936 609830911 128063488 83 Linux
/dev/sdb7 609832960 614019071 2093056 82 Linux swap / Solaris
Partition table entries are not in disk order
Disk /dev/mapper/cryptswap1: 2144 MB, 2144337920 bytes
255 heads, 63 sectors/track, 260 cylinders, total 4188160 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: 0x0f1d0188
Disk /dev/mapper/cryptswap1 doesn't contain a valid partition table
brooks@brooks-System-Product-Name:~$ Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 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: 0x0002be96
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 1949333503 974665728 83 Linux
/dev/sda2 1949335550 1953523711 2094081 5 Extended
/dev/sda5 1949335552 1953523711 2094080 82 Linux swap / Solaris
Disk /dev/sdb: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 625142448 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: 0x0002e221
Device Boot Start End Blocks Id System
/dev/sdb1 * 63 353703104 176851521 83 Linux
/dev/sdb3 353703934 625137344 135716705+ 5 Extended
/dev/sdb5 614020428 625137344 5558458+ 82 Linux swap / Solaris
/dev/sdb6 353703936 609830911 128063488 83 Linux
/dev/sdb7 609832960 614019071 2093056 82 Linux swap / Solaris
Partition table entries are not in disk order
Disk /dev/mapper/cryptswap1: 2144 MB, 2144337920 bytes
255 heads, 63 sectors/track, 260 cylinders, total 4188160 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: 0x0f1d0188
Disk /dev/mapper/cryptswap1 doesn't contain a valid partition table
$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 931.5G 0 disk
├─sda1 8:1 0 929.5G 0 part /
├─sda2 8:2 0 1K 0 part
└─sda5 8:5 0 2G 0 part
└─cryptswap1 (dm-0) 252:0 0 2G 0 crypt [SWAP]
sdb 8:16 0 298.1G 0 disk
├─sdb1 8:17 0 168.7G 0 part
├─sdb3 8:19 0 1K 0 part
├─sdb5 8:21 0 5.3G 0 part
├─sdb6 8:22 0 122.1G 0 part
└─sdb7 8:23 0 2G 0 part
sr0 11:0 1 1024M 0 rom
sr1 11:1 1 1024M 0 rom
答案1
有可能硬盘坏了。有时，为了帮助恢复数据，你可以将硬盘放在密封袋中，然后将其放在冰箱中 2-4 小时，如果你幸运的话，硬盘还可以再存活几个小时，希望这能为你提供足够的时间来恢复大量数据