yoshinoのHDDに不良セクタ発生。
録画ファイルのコピーでエラーが出たので気づいた。

Drive model			ST31000333AS
Drive capacity			134.2 GB
Drive serial number			9TE09V87
Firmware revision			SD15
Number of cylinders			16383
Number of heads			16
Number of sectors per track			63
Number of LBA sectors			268435455
DMA support			Enabled
LBA support			Enabled
IORDY support			Enabled
ATA software reset			Not required
Overlap operation			Supported
Command queuing			Not supported
Interleaved DMA			Not supported
Multiword DMA mode supported			Mode 2 and below
PIO transfer mode supported			Mode 4
Minimum Multiword DMA transfer cycle time per word			120 ns
Manufacturer痴 recommended Multiword DMA transfer cycle time			120 ns
Minimum PIO transfer cycle time without flow control			120 ns
Minimum PIO transfer cycle time with IORDY flow control			120 ns
ATA standard version			ATA/ATAPI-8 and below
ATA realisation version			0029h
SMART feature set			Supported, Enabled
Security Mode feature set			Supported, Disabled
Removable Media feature set			Not supported
Power Management feature set			Supported
PACKET Command feature set			Not supported
Write cache			Supported, Enabled
Look-ahead			Supported, Enabled
Release interrupt			Not supported
SERVICE interrupt			Not supported
DEVICE RESET command			Not supported
Host Protected Area feature set			Supported
WRITE BUFFER command			Supported
READ BUFFER command			Supported
NOP command			Not supported
DOWNLOAD MICROCODE command			Supported
READ DMA QUEUED and WRITE DMA QUEUED commands			Not supported
CFA feature set			Not supported
Advanced Power Management feature set			Not supported
Removable Media Status feature set			Not supported
Power-Up In Standby feature set			Not supported
SET MAX security extension			Supported, Disabled
Automatic Acoustic Management feature set			Not supported
48-bit Address feature set			Supported
Device Configuration Overlay feature set			Supported
FLUSH CACHE command			Supported
FLUSH CACHE EXT command			Supported
SMART error logging			Supported
SMART self-test			Supported
Media serial number field words			Not supported
Media Card Pass Through Command feature set			Not supported
Streaming feature set			Not supported
General Purpose Logging feature set			Supported
WRITE DMA FUA EXT and WRITE MULTIPLE FUA EXT commands			Not supported
WRITE DMA QUEUED FUA EXT command			Not supported
World wide name			Supported
URG bit for READ STREAM DMA and READ STREAM PIO commands			Not supported
URG bit for WRITE STREAM DMA and WRITE STREAM PIO commands			Not supported
Time-limited Read/write feature set			Not supported
Read Continuoud and Write Continuous in the Time-limited Read/write feature set			Not supported
Ultra DMA mode selected			Mode 5
Ultra DMA mode supported			Mode 6 and below
Master Password Revision Code			Not supported
Device vendor痴 recommended acoustic management level			0
The current automatic acoustic management level			254
Removable Media Status Notification feature set			Not supported
Enhanced security erase unit feature			Not supported
The security count is expired and SECURITY UNLOCK and SECURITY ERASE UNIT are command aborted until a power-on reset or hardware reset.			
CFA Power Mode			Mode 1
Maximum average RMS current			32 Milliamperes
			
Start/Stop Count (Power on count)			1160 times
Reallocated Sectors Count			29 sectors
Power-On Hours			32482 minuties (hours)
Device Power Cycle Count			1095 times
Temperature			55834574890 ーC
Current Pending Sector Count (Unstable sectors)			23 sectors
Uncorrectable Sector Count			23 sectors
UltraDMA CRC Error Count (total)			0 errors

TrueImageで全バックアップを取った。(Kドライブ(Cache)はスキップ)
その際にエラーが出たのはGドライブのみ。
全ファイルは確認してないが、たまたま気付いたファイルのみ不良セクタをスキップしてコピーしてみる。

C:\Users\nickle>D:\soft\robustcopy\Debug\robustcopy.exe G:\TS\_broken\20140413-000000-7E87-7E87-5C38-TOKYO MX1-[新]メカクシティアクターズ.ts e:\
input: drive G:\, sector size: 512
offset 25910200: retrying ... 1 2 3 4 5 6 7 8 9 failed

C:\Users\nickle>D:\soft\robustcopy\Debug\robustcopy.exe G:\TS\_broken\20140413-010000-0004-4011-00A1-BS−TBS-[新]ブレイドアンドソウル「道」.ts e:\
input: drive G:\, sector size: 512
offset b9201000: retrying ... 1 2 3 4 5 6 7 8 9 failed

C:\Users\nickle>D:\soft\robustcopy\Debug\robustcopy.exe "G:\TS\_broken\20140413-160000-0007-7100-014D-AT−X-きんいろモザイク #5・#6.ts" e:\
input: drive G:\, sector size: 512
offset 70348800: retrying ... 1 2 3 4 5 6 7 8 9 failed

C:\Users\nickle>D:\soft\robustcopy\Debug\robustcopy.exe "G:\TS\_broken\20140414-013000-0006-6020-0128-TBSチャンネル1-桜Trick #2.ts" e:\
input: drive G:\, sector size: 512
offset 3af19a00: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 3b04fc00: retrying ... 1 2 3 4 5 6 7 8 9 failed

C:\Users\nickle>D:\soft\robustcopy\Debug\robustcopy.exe "G:\TS\_broken\20140418-070000-0007-7100-014D-AT−X-サーバント×サービス #9・#10.ts" e:\
input: drive G:\, sector size: 512
offset 2d237000: retrying ... 1 2 3 4 5 6 7 8 9 failed

C:\Users\nickle>D:\soft\robustcopy\Debug\robustcopy.exe "G:\TS\_broken\20140420-205500-0004-4671-00EC-BSアニマックス-ボイス スイッチ #3.ts" e:\
input: drive G:\, sector size: 512
offset 0127f200: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 0127f400: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 0127fa00: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 0127fc00: retrying ... 1 succeeded
offset 01280200: retrying ... 1 succeeded
offset 01280600: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 01849400: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 01849600: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 01849800: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 01849a00: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 01849c00: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 01849e00: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 0184a000: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 0184a200: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 0184a400: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 0184a600: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 0184a800: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 0184aa00: retrying ... 1 2 3 4 5 6 7 8 9 failed
offset 0184ac00: retrying ... 1 2 3 4 5 6 7 8 9 failed

Uncorrectable Sector Countとリードエラー数が一致したので、これ以外に壊れている箇所はないはず