分类：
2009-01-07 12:59:43
如下步骤，节选自昨天做的rm -r 后恢复子目录中所有文件的实际操作过程。本文同样也是依据LOVEUNIX 技术专家projects的文章——，照猫画虎而来。
17:50:28 dir1
17:50:34
dir1 lost+found
17:50:35 dir1
17:50:40
17:50:41 >a
17:50:45 >b
17:50:49 -l
total 16
-rw-r--r-- 1 root system 31 Jan 06 17:50 a
-rw-r--r-- 1 root system 31 Jan 06 17:50 b
17:50:50 *
Tue Jan 6 17:50:45 BEIST 2009
Tue Jan 6 17:50:49 BEIST 2009
17:50:55
17:51:01
17:51:02 /jfs2
17:51:09
dir1 lost+found
17:51:10 -r dir1
17:51:13
lost+found
17:51:15
17:51:35 -id /jfs2
2 /jfs2
17:51:39 umount
umount /jfs2
17:53:57 /jfs2
File System: /jfs2
File System Size: 523864 (512 byte blocks)
Aggregate Block Size: 4096
Allocation Group Size: 8192 (aggregate blocks)
> i 2
Inode 2 at block 33, offset 0x400:
[1] di_fileset: 16 [18] di_inostamp: 0x4963295c
[2] di_number: 2 [19] di_gen: 1
[3] di_size: 0x0000000000000100 [20] di_ixpxd.len: 4
[4] di_nblocks: 0x0000000000000000 [21] di_ixpxd.addr1: 0x00
[5] di_nlink: 3 [22] di_ixpxd.addr2: 0x00000021
[6] di_mode: 0x000141ed di_ixpxd.address: 33
0040755 drwxr-xr-x [24] di_uid: 0
[25] di_gid: 0
[9] di_atime.tj_nsec: 0x33cba81b [26] di_atime.tj_sec:0x0000000049632a25
[10] di_ctime.tj_nsec: 0x2747ead0 [27] di_ctime.tj_sec:0x0000000049632991
[11] di_mtime.tj_nsec: 0x2747ead0 [28] di_mtime.tj_sec:0x0000000049632991
[12] di_otime.tj_nsec: 0x00000000 [29] di_otime.tj_sec:0x000000004963295c
[13] di_ea.flag: 0x00 [30] di_ea.len: 0
EAv1 [31] di_ea.addr1: 0x00
[15] di_ea.nEntry: 0x00 [32] di_ea.addr2: 0x00000000
[16] di_ea.type: 0x0000 di_ea.address: 0
[34] di_ea.nblocks: 0
change_inode: [m]odify, [e]a, [t]ree, or e[x]it > t
Root D-Tree Node of inode 2
[1] flag 0x83 BT_ROOT BT_LEAF
[2] nextindex 1
[3] freecnt 7 Actual Free Count: 7
[4] freelist 2 type 'f' to walk
[5] idotdot 2
stbl {1,1,0,0,0,0,0,0} type '#' for specific stbl entry
Slots: next cnt type 's' to modify slot
slot[1]: 0 0
slot[2]: 3 1
slot[3]: 4 1
slot[4]: 5 1
slot[5]: 6 1
slot[6]: 7 1
slot[7]: 8 1
slot[8]: -1 1
dtree: Hit enter to see entries, [h]ex dump, [u]p, [m]odify, [f]reelist,
[s]lot, [#], or e[x]it: h
Slot: Inum Next NamLen Name
00000000: 00000000 00000002 00000000 00000000 |................|
00000010: 83010702 00000000 01010000 00000000 |................|
00000020: 00000000 00000003 FF0A6C6F 73742B66 |..........lost+f|
00000030: 6F756E64 00000000 00000000 00000000 |ound............|
00000040: 03010000 00000020 FF046469 72310000 |....... ..dir1..|
00000050: 00000000 00000000 00000000 00000000 |................|
00000060: 04010000 00000000 00000000 00000000 |................|
00000070: 00000000 00000000 00000000 00000000 |................|
00000080: 05010000 00000000 00000000 00000000 |................|
00000090: 00000000 00000000 00000000 00000000 |................|
000000a0: 06010000 00000000 00000000 00000000 |................|
000000b0: 00000000 00000000 00000000 00000000 |................|
000000c0: 07010000 00000000 00000000 00000000 |................|
000000d0: 00000000 00000000 00000000 00000000 |................|
000000e0: 08010000 00000000 00000000 00000000 |................|
000000f0: 00000000 00000000 00000000 00000000 |................|
-hit enter for more-
00000100: FF010000 00000000 00000000 00000000 |................|
00000110: 00000000 00000000 00000000 00000000 |................|
dtree: Press [u]p, [#], or e[x]it > x
> i 32
Inode 32 at block 40, offset 0x0:
[1] di_fileset: 16 [18] di_inostamp: 0x4963295c
[2] di_number: 32 [19] di_gen: 694231674
[3] di_size: 0x0000000000000100 [20] di_ixpxd.len: 4
[4] di_nblocks: 0x0000000000000000 [21] di_ixpxd.addr1: 0x00
[5] di_nlink: 0 [22] di_ixpxd.addr2: 0x00000028
[6] di_mode: 0x000141ed di_ixpxd.address: 40
0040755 drwxr-xr-x [24] di_uid: 0
[25] di_gid: 0
[9] di_atime.tj_nsec: 0x26aed9a9 [26] di_atime.tj_sec:0x0000000049632991
[10] di_ctime.tj_nsec: 0x2747ead0 [27] di_ctime.tj_sec:0x0000000049632991
[11] di_mtime.tj_nsec: 0x26aed9a9 [28] di_mtime.tj_sec:0x0000000049632991
[12] di_otime.tj_nsec: 0x30d07c96 [29] di_otime.tj_sec:0x000000004963296a
[13] di_ea.flag: 0x00 [30] di_ea.len: 0
EAv1 [31] di_ea.addr1: 0x00
[15] di_ea.nEntry: 0x00 [32] di_ea.addr2: 0x00000000
[16] di_ea.type: 0x0000 di_ea.address: 0
[34] di_ea.nblocks: 0
change_inode: [m]odify, [e]a, [t]ree, or e[x]it > m 5 1
Inode 32 at block 40, offset 0x0:
[1] di_fileset: 16 [18] di_inostamp: 0x4963295c
[2] di_number: 32 [19] di_gen: 694231674
[3] di_size: 0x0000000000000100 [20] di_ixpxd.len: 4
[4] di_nblocks: 0x0000000000000000 [21] di_ixpxd.addr1: 0x00
[5] di_nlink: 1 [22] di_ixpxd.addr2: 0x00000028
[6] di_mode: 0x000141ed di_ixpxd.address: 40
0040755 drwxr-xr-x [24] di_uid: 0
[25] di_gid: 0
[9] di_atime.tj_nsec: 0x26aed9a9 [26] di_atime.tj_sec:0x0000000049632991
[10] di_ctime.tj_nsec: 0x2747ead0 [27] di_ctime.tj_sec:0x0000000049632991
[11] di_mtime.tj_nsec: 0x26aed9a9 [28] di_mtime.tj_sec:0x0000000049632991
[12] di_otime.tj_nsec: 0x30d07c96 [29] di_otime.tj_sec:0x000000004963296a
[13] di_ea.flag: 0x00 [30] di_ea.len: 0
EAv1 [31] di_ea.addr1: 0x00
[15] di_ea.nEntry: 0x00 [32] di_ea.addr2: 0x00000000
[16] di_ea.type: 0x0000 di_ea.address: 0
[34] di_ea.nblocks: 0
change_inode: [m]odify, [e]a, [t]ree, or e[x]it > x
> q
17:54:36 -y /jfs2
The current volume is: /dev/fslv01
Primary superblock is valid.
*** Phase 1 - Initial inode scan
Inode 32 has incorrect link count (FIXED)
Superblock marked dirty because repairs are about to be written.
*** Phase 2 - Process remaining directories
*** Phase 3 - Process remaining files
*** Phase 4 - Check and repair inode allocation map
File system inode map is corrupt (FIXED)
*** Phase 5 - Check and repair block allocation map
Inodes not connected to the root directory
tree have been detected. Will reconnect.
File system is clean.
Superblock is marked dirty (FIXED)
All observed inconsistencies have been repaired.
17:54:52 /jfs2
17:55:00 /jfs2
17:55:03
lost+found
17:55:04 *
17:55:06 -l
total 0
drwxr-xr-x 2 root system 256 Jan 06 17:51 32
17:55:09 32
17:55:12
17:55:13
17:57:30 /jfs2
17:57:43 /jfs2
File System: /jfs2
File System Size: 523864 (512 byte blocks)
Aggregate Block Size: 4096
Allocation Group Size: 8192 (aggregate blocks)
> i 32
Inode 32 at block 40, offset 0x0:
[1] di_fileset: 16 [18] di_inostamp: 0x4963295c
[2] di_number: 32 [19] di_gen: 694231674
[3] di_size: 0x0000000000000100 [20] di_ixpxd.len: 4
[4] di_nblocks: 0x0000000000000000 [21] di_ixpxd.addr1: 0x00
[5] di_nlink: 2 [22] di_ixpxd.addr2: 0x00000028
[6] di_mode: 0x000141ed di_ixpxd.address: 40
0040755 drwxr-xr-x [24] di_uid: 0
[25] di_gid: 0
[9] di_atime.tj_nsec: 0x266642ca [26] di_atime.tj_sec:0x0000000049632a81
[10] di_ctime.tj_nsec: 0x2747ead0 [27] di_ctime.tj_sec:0x0000000049632991
[11] di_mtime.tj_nsec: 0x26aed9a9 [28] di_mtime.tj_sec:0x0000000049632991
[12] di_otime.tj_nsec: 0x30d07c96 [29] di_otime.tj_sec:0x000000004963296a
[13] di_ea.flag: 0x00 [30] di_ea.len: 0
EAv1 [31] di_ea.addr1: 0x00
[15] di_ea.nEntry: 0x00 [32] di_ea.addr2: 0x00000000
[16] di_ea.type: 0x0000 di_ea.address: 0
[34] di_ea.nblocks: 0
change_inode: [m]odify, [e]a, [t]ree, or e[x]it > t
Root D-Tree Node of inode 32
[1] flag 0x83 BT_ROOT BT_LEAF
[2] nextindex 0
[3] freecnt 8 Actual Free Count: 8
[4] freelist 1 type 'f' to walk
[5] idotdot 3
stbl {2,2,0,0,0,0,0,0} type '#' for specific stbl entry
Slots: next cnt type 's' to modify slot
slot[1]: 2 1
slot[2]: 3 0
slot[3]: 4 0
slot[4]: 5 0
slot[5]: 6 0
slot[6]: 7 0
slot[7]: 8 0
slot[8]: -1 0
dtree: [h]ex dump, [u]p, [m]odify, [f]reelist, [s]lot, [#], or e[x]it: h
Empty tree. Displaying all entries.
Slot: Inum Next NamLen Name
00000000: 00000000 00000003 00000000 00000000 |................|
00000010: 83000801 00000000 02020000 00000000 |................|
00000020: 02010000 00000021 FF016100 00000000 |.......!..a.....|
00000030: 00000000 00000000 00000000 00000000 |................|
00000040: 03000000 00000022 FF016200 00000000 |......."..b.....|
00000050: 00000000 00000000 00000000 00000000 |................|
00000060: 04000000 00000000 00000000 00000000 |................|
00000070: 00000000 00000000 00000000 00000000 |................|
00000080: 05000000 00000000 00000000 00000000 |................|
00000090: 00000000 00000000 00000000 00000000 |................|
000000a0: 06000000 00000000 00000000 00000000 |................|
000000b0: 00000000 00000000 00000000 00000000 |................|
000000c0: 07000000 00000000 00000000 00000000 |................|
000000d0: 00000000 00000000 00000000 00000000 |................|
000000e0: 08000000 00000000 00000000 00000000 |................|
000000f0: 00000000 00000000 00000000 00000000 |................|
-hit enter for more-
00000100: FF000000 00000000 00000000 00000000 |................|
00000110: 00000000 00000000 00000000 00000000 |................|
dtree: Press [u]p, [#], or e[x]it > x
> i 33
Inode 33 at block 40, offset 0x200:
[1] di_fileset: 16 [18] di_inostamp: 0x4963295c
[2] di_number: 33 [19] di_gen: 694231675
[3] di_size: 0x000000000000001f [20] di_ixpxd.len: 4
[4] di_nblocks: 0x0000000000000001 [21] di_ixpxd.addr1: 0x00
[5] di_nlink: 0 [22] di_ixpxd.addr2: 0x00000028
[6] di_mode: 0x000081a4 di_ixpxd.address: 40
0100644 -rw-r--r-- [24] di_uid: 0
[25] di_gid: 0
[9] di_atime.tj_nsec: 0x34fce4c0 [26] di_atime.tj_sec:0x000000004963297f
[10] di_ctime.tj_nsec: 0x26aed9a8 [27] di_ctime.tj_sec:0x0000000049632991
[11] di_mtime.tj_nsec: 0x1e569262 [28] di_mtime.tj_sec:0x0000000049632975
[12] di_otime.tj_nsec: 0x1dbdf9a6 [29] di_otime.tj_sec:0x0000000049632975
[13] di_ea.flag: 0x00 [30] di_ea.len: 0
EAv1 [31] di_ea.addr1: 0x00
[15] di_ea.nEntry: 0x00 [32] di_ea.addr2: 0x00000000
[16] di_ea.type: 0x0000 di_ea.address: 0
[34] di_ea.nblocks: 0
change_inode: [m]odify, [e]a, [t]ree, or e[x]it > m 5 1
Inode 33 at block 40, offset 0x200:
[1] di_fileset: 16 [18] di_inostamp: 0x4963295c
[2] di_number: 33 [19] di_gen: 694231675
[3] di_size: 0x000000000000001f [20] di_ixpxd.len: 4
[4] di_nblocks: 0x0000000000000001 [21] di_ixpxd.addr1: 0x00
[5] di_nlink: 1 [22] di_ixpxd.addr2: 0x00000028
[6] di_mode: 0x000081a4 di_ixpxd.address: 40
0100644 -rw-r--r-- [24] di_uid: 0
[25] di_gid: 0
[9] di_atime.tj_nsec: 0x34fce4c0 [26] di_atime.tj_sec:0x000000004963297f
[10] di_ctime.tj_nsec: 0x26aed9a8 [27] di_ctime.tj_sec:0x0000000049632991
[11] di_mtime.tj_nsec: 0x1e569262 [28] di_mtime.tj_sec:0x0000000049632975
[12] di_otime.tj_nsec: 0x1dbdf9a6 [29] di_otime.tj_sec:0x0000000049632975
[13] di_ea.flag: 0x00 [30] di_ea.len: 0
EAv1 [31] di_ea.addr1: 0x00
[15] di_ea.nEntry: 0x00 [32] di_ea.addr2: 0x00000000
[16] di_ea.type: 0x0000 di_ea.address: 0
[34] di_ea.nblocks: 0
change_inode: [m]odify, [e]a, [t]ree, or e[x]it > x
> i 34
Inode 34 at block 40, offset 0x400:
[1] di_fileset: 16 [18] di_inostamp: 0x4963295c
[2] di_number: 34 [19] di_gen: 694231676
[3] di_size: 0x000000000000001f [20] di_ixpxd.len: 4
[4] di_nblocks: 0x0000000000000001 [21] di_ixpxd.addr1: 0x00
[5] di_nlink: 0 [22] di_ixpxd.addr2: 0x00000028
[6] di_mode: 0x000081a4 di_ixpxd.address: 40
0100644 -rw-r--r-- [24] di_uid: 0
[25] di_gid: 0
[9] di_atime.tj_nsec: 0x34fce4c0 [26] di_atime.tj_sec:0x000000004963297f
[10] di_ctime.tj_nsec: 0x26aed9a8 [27] di_ctime.tj_sec:0x0000000049632991
[11] di_mtime.tj_nsec: 0x11d5fae3 [28] di_mtime.tj_sec:0x0000000049632979
[12] di_otime.tj_nsec: 0x11d5fae2 [29] di_otime.tj_sec:0x0000000049632979
[13] di_ea.flag: 0x00 [30] di_ea.len: 0
EAv1 [31] di_ea.addr1: 0x00
[15] di_ea.nEntry: 0x00 [32] di_ea.addr2: 0x00000000
[16] di_ea.type: 0x0000 di_ea.address: 0
[34] di_ea.nblocks: 0
change_inode: [m]odify, [e]a, [t]ree, or e[x]it > m 5 1
Inode 34 at block 40, offset 0x400:
[1] di_fileset: 16 [18] di_inostamp: 0x4963295c
[2] di_number: 34 [19] di_gen: 694231676
[3] di_size: 0x000000000000001f [20] di_ixpxd.len: 4
[4] di_nblocks: 0x0000000000000001 [21] di_ixpxd.addr1: 0x00
[5] di_nlink: 1 [22] di_ixpxd.addr2: 0x00000028
[6] di_mode: 0x000081a4 di_ixpxd.address: 40
0100644 -rw-r--r-- [24] di_uid: 0
[25] di_gid: 0
[9] di_atime.tj_nsec: 0x34fce4c0 [26] di_atime.tj_sec:0x000000004963297f
[10] di_ctime.tj_nsec: 0x26aed9a8 [27] di_ctime.tj_sec:0x0000000049632991
[11] di_mtime.tj_nsec: 0x11d5fae3 [28] di_mtime.tj_sec:0x0000000049632979
[12] di_otime.tj_nsec: 0x11d5fae2 [29] di_otime.tj_sec:0x0000000049632979
[13] di_ea.flag: 0x00 [30] di_ea.len: 0
EAv1 [31] di_ea.addr1: 0x00
[15] di_ea.nEntry: 0x00 [32] di_ea.addr2: 0x00000000
[16] di_ea.type: 0x0000 di_ea.address: 0
[34] di_ea.nblocks: 0
change_inode: [m]odify, [e]a, [t]ree, or e[x]it > x
> q
17:58:38 ]#
17:58:49 -y /jfs2
The current volume is: /dev/fslv01
Primary superblock is valid.
*** Phase 1 - Initial inode scan
*** Phase 2 - Process remaining directories
*** Phase 3 - Process remaining files
*** Phase 4 - Check and repair inode allocation map
File system inode map is corrupt (FIXED)
Superblock marked dirty because repairs are about to be written.
*** Phase 5 - Check and repair block allocation map
Block allocation map is corrupt (FIXED)
Inodes not connected to the root directory
tree have been detected. Will reconnect.
File system is clean.
Superblock is marked dirty (FIXED)
All observed inconsistencies have been repaired.
17:59:14 /jfs2
17:59:17 /jfs2
17:59:20 -l
total 0
drwxr-xr-x 3 root system 256 Jan 06 17:50 lost+found
17:59:21 ]#
17:59:23 *
17:59:27 . -ls
3 1 drwxr-xr-x 3 root system 256 Jan 6 17:50 .
32 1 drwxr-xr-x 2 root system 256 Jan 6 17:51 ./32
33 1 -rw-r--r-- 1 root system 31 Jan 6 17:50 ./33
34 1 -rw-r--r-- 1 root system 31 Jan 6 17:50 ./34
17:59:45 33
Tue Jan 6 17:50:45 BEIST 2009
17:59:49 34
Tue Jan 6 17:50:49 BEIST 2009
17:59:52 ]#
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