--> 初心者アシ さん
>ただ、IDEはSCSIに比べて一桁信頼性が低いことも知っていてください。
本当でしょうか。メカ的に、違いがあるようには見えませんが。
しかし最近、1年半弱ぐらい使ったHD(Maxtor 250GB IDE・Ratocケースに入れIEEE1394外付けとして使用)で下記のようなエラーメッセージを2度、見掛けました。とりあえずデータ消失は免れたようですが、やばいので引越しです。
Checking file system on F:
The type of the file system is NTFS.
One of your disks needs to be checked for consistency. You
may cancel the disk check, but it is strongly recommended
that you continue.
Windows will now check the disk.
The segment number 0x59a200000000 in file 0x59a4 is incorrect.
Correcting a minor error in file 22948.
Attribute record of type 0x80 and instance tag 0x4 is cross linked
starting at 0x1d9c266 for possibly 0x3fa clusters.
Attribute record of type 0x80 and instance tag 0x4 is cross linked
starting at 0x1d9c266 for possibly 0x3fa clusters.
Some clusters occupied by attribute of type 0x80 and instance tag 0x4
in file 0x59a4 is already in use.
Deleting corrupt attribute record (128, "")
from file record segment 22948.
The segment number 0x59a300000000 in file 0x59a5 is incorrect.
Correcting a minor error in file 22949.
Attribute record of type 0xa0 and instance tag 0x3 is cross linked
starting at 0x103898e for possibly 0x2 clusters.
Attribute record of type 0xa0 and instance tag 0x3 is cross linked
starting at 0x103898e for possibly 0x2 clusters.
Some clusters occupied by attribute of type 0xa0 and instance tag 0x3
in file 0x59a5 is already in use.
Deleting corrupt attribute record (160, $I30)
from file record segment 22949.
The segment number 0x59a400000000 in file 0x59a6 is incorrect.
Correcting a minor error in file 22950.
The segment number 0x59a500000000 in file 0x59a7 is incorrect.
Correcting a minor error in file 22951.
The object id in file 0x59a5 already existed in the object
id index in file 0x19.
21 cc 0b de 11 de d8 11 a4 9f 00 40 d0 1e af ca !..........@....
7d 3c 00 00 bc e5 06 00 cf 98 05 01 a4 e2 06 00 }<..............
Deleting duplicate object id from file record segment 22949.
The index bitmap for index $I30 in file 0x59a5 is invalid or missing.
The index bitmap for index $I30 in file 0x59a5 is invalid or missing.
Correcting error in index $I30 for file 22949.
The index bitmap $I30 is present but there is no corresponding
index allocation attribute in file 0x59a5.
Correcting error in index $I30 for file 22949.
The down pointer of current index entry with length 0x68 is invalid.
c7 59 00 00 00 00 02 00 68 00 4e 00 01 00 00 00 .Y......h.N.....
a3 59 00 00 00 00 02 00 20 c1 01 09 1f 72 c4 01 .Y...... ....r..
50 f0 95 1a 1f 72 c4 01 20 4d 54 77 fa 17 c5 01 P....r.. MTw....
d0 d8 48 7e 2a 7a c5 01 00 b0 1c 00 00 00 00 00 ..H~*z..........
b5 a0 1c 00 00 00 00 00 20 00 00 00 00 00 00 00 ........ .......
06 03 31 00 30 00 2e 00 6a 00 70 00 67 00 00 00 ..1.0...j.p.g...
ff ff ff ff ff ff ff ff 00 00 00 00 00 00 00 00 ................
18 00 00 00 03 00 00 00 ff ff ff ff ff ff ff ff ................
Sorting index $I30 in file 22949.
The file reference 0x30000000059a4 of index entry 01.NEF of index $I30
with parent 0x59a3 is not the same as 0x20000000059a4.
[中略]
Deleting index entry 536.NEF in index $I30 of file 22951.
The file reference 0x60000000059a5 of index entry 20040808a of index $I30
with parent 0xc458 is not the same as 0x20000000059a5.
Deleting index entry 20040808a in index $I30 of file 50264.
The file reference 0x60000000059a5 of index entry 200408~2 of index $I30
with parent 0xc458 is not the same as 0x20000000059a5.
Deleting index entry 200408~2 in index $I30 of file 50264.
Cleaning up minor inconsistencies on the drive.
CHKDSK is recovering lost files.
Recovering orphaned file 01.NEF (22950) into directory file 22947.
Recovering orphaned file 200408~2 (22951) into directory file 50264.
Recovering orphaned file 20040808a (22951) into directory file 50264.
Inserting data attribute into file 22948.
Correcting errors in the master file table's (MFT) BITMAP attribute.
Correcting errors in the Volume Bitmap.
Windows has made corrections to the file system.
245117375 KB total disk space.
244758440 KB in 67866 files.
15416 KB in 452 indexes.
0 KB in bad sectors.
141783 KB in use by the system.
65536 KB occupied by the log file.
201736 KB available on disk.
4096 bytes in each allocation unit.
61279343 total allocation units on disk.
50434 allocation units available on disk.
Internal Info:
f0 0a 01 00 e8 0a 01 00 11 16 01 00 00 00 00 00 ................
be 06 00 00 00 00 00 00 0b 00 00 00 00 00 00 00 ................
74 d3 1a 02 00 00 00 00 18 0a d3 14 00 00 00 00 t...............
72 9c c2 01 00 00 00 00 00 00 00 00 00 00 00 00 r...............
00 00 00 00 00 00 00 00 16 1c fa 23 00 00 00 00 ...........#....
99 9e 36 00 00 00 00 00 70 36 07 00 1a 09 01 00 ..6.....p6......
00 00 00 00 00 a0 de 5a 3a 00 00 00 c4 01 00 00 .......Z:.......