Dear all,

I have a Seagate Barracuda ST2000DM001, which I cannot access any more. The hard drive is also not more detected by the Bios. Probably the outage happened after a power blackout. So there were no forces from outside to the disk.

Afterwards when the disk spins up there is always a little bit strange sound, but it seems to be normal for this type of disk and mentioned in several threads in regards of the new firmware CC49. So the disk spins up, tries 3-4 times to recognize something and spins down again. The error sounds very similar to the BSY error of Seagate Barracuda 7200.11. So I also tried to access the disk via RS232 connection, but I did not get the prompt.

Let's summarize what I did so far. I have a second disk still running to compare my results:

1. Change of disk heads in clean room between each other. My second disk is in normal operation with the heads of the broken one. So, this was not the problem.

2. Connect RS232 to the disk and block the connection of the data pin (without SATA connection plugged-in). After spin up some error messages came up, but no prompt. Same behavior for the good one and same messages.

3. Connect RS232, but change nothing of the connections of the PCB to the disk; still without SATA connection plugged-in. The good one starts and finally gave me a prompt. The broken one came up with almost the same error messages as during the try before, but with one line changed:
FAIL Servo Op=0100 Resp=0007

Before it was just:
FAIL Servo Op=0100 Resp=0003

I am still getting no prompt. This is the total log file until the disk spins down again:


Boot 0x40M

Spin Up
FAIL Servo Op=0100 Resp=0007
ResponseFrame F0C0 00A2 06CB 4800 0008 0000 0000 0000 09A9 0000 0000 0000 0000 0000 0000 0000 E5B9 AE38 FFFF 2000 DE99 0000 0000 43C3 0000 43C3 0000 2247 0000 0020 0013 0007 0010
FAIL Servo Op=0100 Resp=0003
ResponseFrame EB00 006D 06CB 4800 0008 0000 0000 0000 09A9 0000 0000 0000 0000 0000 0000 0000 E5B9 AE38 FFFF 2000 DE99 0000 0000 43C3 0000 43C3 0000 007F 0000 0020 0013 0004 0000
FAIL Servo Op=0100 Resp=0003
ResponseFrame EAC0 006D 06CB 47C0 0008 0000 0000 0000 09BA 0000 0000 0000 0000 0000 0000 0000 E5B9 AE38 FFFF 2000 DE99 0000 0000 43C3 0000 43C3 0000 007F 0000 0020 0013 0004 0000
FAIL Servo Op=0100 Resp=0003
ResponseFrame E9C0 006D 06CB 4780 0008 0000 0000 0000 09CA 0000 0000 0000 0000 0000 0000 0000 E5B9 AE38 FFFF 2000 DE99 0000 0000 43C3 0000 43C3 0000 007F 0000 0020 0013 0004 0000
FAIL Servo Op=0100 Resp=0003
ResponseFrame E940 006D 06CB 47C0 0008 0000 0000 0000 09BA 0000 0000 0000 0000 0000 0000 0000 E5B9 AE38 FFFF 2000 DE99 0000 0000 43C3 0000 43C3 0000 007F 0000 0020 0013 0004 0000
FAIL Servo Op=0100 Resp=0003
ResponseFrame E900 006D 06CB 4800 0008 0000 0000 0000 09A9 0000 0000 0000 0000 0000 0000 0000 E5B9 AE38 FFFF 2000 DE99 0000 0000 43C3 0000 43C3 0000 007F 0000 0020 0013 0004 0000
FAIL Servo Op=0100 Resp=0003
ResponseFrame E880 006D 06CB 47C0 0008 0000 0000 0000 09BA 0000 0000 0000 0000 0000 0000 0000 E5B9 AE38 FFFF 2000 DE99 0000 0000 43C3 0000 43C3 0000 007F 0000 0020 0013 0004 0000
FAIL Servo Op=0100 Resp=0003
ResponseFrame E840 006D 06CB 4800 0008 0000 0000 0000 09A9 0000 0000 0000 0000 0000 0000 0000 E5B9 AE38 FFFF 2000 DE99 0000 0000 43C3 0000 43C3 0000 007F 0000 0020 0013 0004 0000
FAIL Servo Op=0100 Resp=0003
ResponseFrame E840 006D 06CB 47C0 0008 0000 0000 0000 09BA 0000 0000 0000 0000 0000 0000 0000 E5B9 AE38 FFFF 2000 DE99 0000 0000 43C3 0000 43C3 0000 007F 0000 0020 0013 0004 0000
FAIL Servo Op=0100 Resp=0003
ResponseFrame E7C0 006E 06CB 4800 0008 0000 0000 0000 09A9 0000 0000 0000 0000 0000 0000 0000 E5B9 AE38 FFFF 2000 DE99 0000 0000 43C3 0000 43C3 0000 007F 0000 0020 0013 0004 0000
FAIL Servo Op=0100 Resp=0003
ResponseFrame E780 006E 06CB 4740 0008 0000 0000 0000 09DB 0000 0000 0000 0000 0000 0000 0000 E5B9 AE38 FFFF 2000 DE99 0000 0000 43C3 0000 43C3 0000 007F 0000 0020 0013 0004 0000


I would be extreme thankful for some tips to find the problem of the disk and to get my data back.

Best Regards,
David

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i will help you and resolved ur case, your diagnosis is wrong in ur issue there is no need to change head. changing the head no solution, as friend. no more discussion here.

yours friend
jignesh pankhania

Hello Spildit,

thanks for your support. Is the SA only saved once on the hard disk. Is it not usually at least two times as backup? You are right that the missing SA might lead to the sound I get in the beginning that the disk tries to access it, but cannot read it.

I changed the PCBs between each other, but not the ROM (Bios chip). If I remember correctly the starting behaviour is not effected by just exchanging the PCBs. Would it make sense to change the Bios chip between both PCBs?

To read out the SA, what kind of tools do I need? Is it done via serial connection or do I have to connect via SATA port?

Best Regards,
David

Hello Mr. Pankhania,

I tried contacting you via Skype, but I believe you are sleeping currently.
Unfortunately I have none of the analyze kids you list up. How about the BSY bug? As I see and can test on the website of Seagate my disk is affected. Unfortunately the described procedure of 7200.11 hdd does not work with my one. Do I have to shorten two pins to finally get a prompt?

It would be great to have a direct chat with you.

Best Regards,
David