Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
March 19th, 2014, 1:42
Need command for barcudda 7200.7
March 19th, 2014, 6:17
Useful Commands
Here we will introduce the useful commands for drive repair and data recovery.
On-line commands:
; display drive Age
. display drive Pgm
% display drive SN
Ctrl+Z turn to COM terminal mode, do not load
overlay
Ctrl+C firmware reset
Ctrl+T restart test for current Age
Ctrl+R load CERT
Common commands:
/x turn to Age x
Interface commands:
Level 2:
2> x view zone table
2>sxxxx,y,22 seek to physical cylinder/head, where xxxx stands for specific cylinder, y for head.
2 >r, x, y read sectors, where x stands for initial sector and y for length.( Attention maximum value of y is 10h considering the capacity of read cache).
2 >w, x, y write sectors, similar to command r.
2 > B x, y display content of cache, where x stands for displayed cache address, y for compared cache address.
2 > I,,, x view and modify adaptive parameters; valid after cert
2 > U spin up motor
2 > Z spin off motor
Level T
T > y view module location
T > V1 view P-list
T > V2 view reserved defect list (T-list)
T > V4 view G-list
T > H clear value of drive Health
T > E4E view selfscan Log
The above commands are valid only when cert is loaded.
T > R load adaptive parameters
Level 8
8 > C20 GC2 repair
Level C
C > D read cert table
Level F
F > R4 load APP from disk to RAM
F > R1 load T-list from disk to RAM
F > j,,22 turn to level T after command R4
March 19th, 2014, 6:37
galaxy wrote:Here we will introduce the useful commands for drive repair and data recovery.
I believe your about a decade late to the party...
March 19th, 2014, 7:38
Its one thing to know what commands are available, but another thing entirely to know how to use them, and when to use them, and more importantly, when NOT to use them.