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deftrue
 Post subject: Seagate ST1000DM003 MCMT
PostPosted: December 11th, 2013, 7:02 
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Joined: October 22nd, 2013, 5:27
Posts: 234
Location: Spain
Hello guys,

This Seagate is blowing up my mind :S I can't even start trying regular things on it. On a normal power up, terminal shows the following:

Code:
Boot 0x40M
Spin Up[0x000065B4][0x00006A20][0x00006E8C]
Trans.

Rst 0x40M
MC Internal LPC Process
Spin Up
(P) SATA Reset

MCMTFileHandler: EXCEPTION: Failed MCMT read request
MCMainPOR: Start:
Check MCMT Version: Factory Init
MCInitialize: Start:  Buffer Words VBM: 00000210
ClearMC: Start Full  Media Cache size in host blks 00432380
LPC Disc Xfr: EXCEPTION: ProcessRWError: Status =00000002
Next Accessed LBA = 00000021
Retry LBA = 00000021
Retry Level = 00000000
ProcessRWError -Write-  at LBA 0000000000000021  Sense Code=40000087
LPC Disc Xfr: EXCEPTION: ProcessRWError: Status =00000002


Using tweezers and removing them after the MCM read is skipped, it returns:

Code:
Boot 0x40M
Spin Up[0x000065B4][0x00006A20][0x00006E8C]
Trans.

Rst 0x40M
MC Internal LPC Process
Spin Up
(DOS) Table Read FAIL
DOS: MAGIC CONFIG NUMBER MISMATCH
(DOS) Requesting File Save

MCMainPOR: EXCEPTION: SIM aborted prior to MCMT read
MCMainPOR: EXCEPTION: POR Failed General
MCMainPOR: Feature Disabled... PASS
Starting LBA of RW Request=00000000000879A9  Length=00000168
ProcessRWError -Read-   at LBA 00000000000879A9  Sense Code=43110081
MC Internal LPC Process
ASCII Diag mode

F3 T>
Starting LBA of RW Request=00000000000879AD  Length=00000164
ProcessRWError -Read-   at LBA 00000000000879AD  Sense Code=43110081


Finally, leaving tweezers for a long time, it returns:

Code:
Boot 0x40M
Spin Up[0x000065B4][0x00006A20][0x00006E8C]
Trans.

Rst 0x40M
MC Internal LPC Process
Spin Up
(DOS) Table Read FAIL
DOS: MAGIC CONFIG NUMBER MISMATCH
(DOS) Requesting File Save

(DOS) Table Read FAIL
MCMainPOR: EXCEPTION: SIM aborted prior to MCMT read
MCMainPOR: EXCEPTION: POR Failed General
MCMainPOR: Feature Disabled...
Starting LBA of RW Request=00000000000879A9  Length=00000168
ProcessRWError -Read-   at LBA 00000000000879A9  Sense Code=C3160080

Total AC8, Head AA0, Tail 28 Retry 0 Status 0

Total AC8, Head AA0, Tail 28 Retry 1 Status 0
Starting LBA of RW Request=00000000000879AD  Length=00000164
ProcessRWError -Read-   at LBA 00000000000879AD  Sense Code=C3160080

Total AC8, Head AA0, Tail 28 Retry 0 Status 0

Total AC8, Head AA0, Tail 28 Retry 1 Status 0
Starting LBA of RW Request=00000000000879B1  Length=00000160
ProcessRWError -Read-   at LBA 00000000000879B1  Sense Code=C3160080

Total AC8, Head AA0, Tail 28 Retry 0 Status 0

Total AC8, Head AA0, Tail 28 Retry 1 Status 0

Total AC8, Head AA0, Tail 28 Retry 2 Status 0
Starting LBA of RW Request=00000000000879B5  Length=0000015C
ProcessRWError -Read-   at LBA 00000000000879B5  Sense Code=C3160080

(...)

Total AC8, Head AA0, Tail 28 Retry 1 Status 0

Total AC8, Head AA0, Tail 28 Retry 2 Status 0[00000000000879A9]v00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008q...[b]endlessly.[/b]


^X log returns the following:

Code:
F3 T>
ATA  15 Cmds
Ts(ms)     dT(ms)   Op Cnt  LBA
         0 99999999 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000

RW  32 Cmds
Ts(ms)     dT(ms)   xT(ms)  Type Option Mode  St EC       Info
    259291 99999999      184 04  002221 000000 1 00000080 SRV_MEM Type C Addr 00000000 Cnt 3002
    259475      184        0 03  002221 000000 1 00000080 RD_CHNL
    259475        0      339 02  002221 000000 2 43110081 XFR RD USR LBA B 000000087B05 L 0000000C BO 24000E74 VL 760B.0B40
    259848      373     2334 02  002221 000000 2 43110081 XFR RD USR LBA B 000000087B05 L 00000001 BO 24000234 BES 008AB80.008AF9F.008AB80
    262182     2334        0 1B  002221 000000 1 00000080 MEM_DBG
    262182        0        1 2B  002221 000000 1 00000080 PES
    262183        1        0 23  002221 000000 1 00000080 SRV_EC
    262183        0      184 04  002221 000000 1 00000080 SRV_MEM Type C Addr 00000000 Cnt 3002
    262367      184        0 03  002221 000000 1 00000080 RD_CHNL
    262368        1      338 02  002221 000000 2 43110081 XFR RD USR LBA B 000000087B09 L 00000008 BO 24000E74 VL 760B.0B40
    262740      372     2284 02  002221 000000 2 43110081 XFR RD USR LBA B 000000087B0C L 00000001 BO 24000234 BES 008AB80.008AF9F.008AB80
    265024     2284        0 1B  002221 000000 1 00000080 MEM_DBG
    265024        0        2 2B  002221 000000 1 00000080 PES
    265026        2        0 23  002221 000000 1 00000080 SRV_EC
    265026        0      184 04  002221 000000 1 00000080 SRV_MEM Type C Addr 00000000 Cnt 3002
    265210      184        0 03  002221 000000 1 00000080 RD_CHNL
    265210        0      338 02  002221 000000 2 43110081 XFR RD USR LBA B 000000087B0D L 00000004 BO 24000E74 VL 760B.0B40
    265583      373     2292 02  002221 000000 2 43110081 XFR RD USR LBA B 000000087B0D L 00000001 BO 24000234 BES 008AB80.008AF9F.008AB80
    267875     2292        0 1B  002221 000000 1 00000080 MEM_DBG
    267875        0        1 2B  002221 000000 1 00000080 PES
    267876        1        0 23  002221 000000 1 00000080 SRV_EC
    267876        0      184 04  002221 000000 1 00000080 SRV_MEM Type C Addr 00000000 Cnt 3002
    268060      184        0 03  002221 000000 1 00000080 RD_CHNL
    268061        1      337 02  002221 000000 2 43110081 XFR RD USR LBA B 000003C742C8 L 00000001 BO 24000E74 VL 820B.0008
    268433      372     2567 02  002221 000000 2 43110081 XFR RD USR LBA B 000003C742C8 L 00000001 BO 24000234 BES 008AB80.008AF9F.008AB80
    271000     2567        0 1B  002221 000000 1 00000080 MEM_DBG
    271000        0        1 2B  002221 000000 1 00000080 PES
    271001        1        0 23  002221 000000 1 00000080 SRV_EC
    271001        0      184 04  002221 000000 1 00000080 SRV_MEM Type C Addr 00000000 Cnt 3002
    271185      184        0 03  002221 000000 1 00000080 RD_CHNL
    271185        0      339 02  002221 000000 2 43110081 XFR RD USR LBA B 000003C742C9 L 00000001 BO 24000E74 VL 860B.0008
    271558      373 99999999 02  002221 000000 1 00000080 XFR RD USR LBA B 000003C742C9 L 00000001 BO 24000234 BES 008AB80.008AF9F.008AB80

[0000000003C742C8]v00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008q
Starting LBA of RW Request=0000000003C742C8  Length=00000001



EC is 0x80 in most cases, but there are also 0x43110081 codes.

Trying anything like F3 T>F makes the drive return LED 0xBD errors.

And, using tweezers to short read channel, sometimes makes the drive starts beeping and it knocks 11 times, spins down, but there's no terminal access (but DRD DSC).

Any suggestions?

Thanks in advance.
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deftrue
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 13th, 2013, 19:51 
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Joined: October 22nd, 2013, 5:27
Posts: 234
Location: Spain
Anybody has got a clue? :| I've recovered data from similar cases (MCMT Primary copy corrupted, etc.), but this case is strange... additionally, although it sounds rather fine, one of the heads might be weak, but PC3K does not support head map editing in ROM for this drive :( it's got 2 heads, and it shows physical and logical head maps like 00 01 02 03 04 05 06 07 08 09.
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labtech
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 13th, 2013, 19:57 
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Joined: August 18th, 2010, 17:35
Posts: 3637
Location: Massachusetts, USA
Heads test resistance?

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deftrue
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 13th, 2013, 20:16 
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Joined: October 22nd, 2013, 5:27
Posts: 234
Location: Spain
Unfortunately, any terminal command involving overlay data or surface access ends up in LED 0xBD errors. Plus, terminal is quite unstable:

Code:
Starting LBA of RW Request=00000000000879AD  Length=00000164
ProcessRWError -Read-   at LBA 00000000000879AD  Sense Code=43110081


...every second or couple seconds, and after a few minutes:

Code:
v00000008qv00000008qv00000008qv00000008qv00000008q


...endlessly. I can't event try F3 T> F commands; that's a 0xBD LED error as well.

Of course I cleaned PCB contacts and performed usual tests, but couldn't find anything remarkably bad. Lacking of a PCB/HSA [full] donor yet.


Last edited by deftrue on December 13th, 2013, 20:22, edited 2 times in total.

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labtech
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 13th, 2013, 20:19 
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Joined: August 18th, 2010, 17:35
Posts: 3637
Location: Massachusetts, USA
Think most likely a head(s) issue.

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deftrue
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 13th, 2013, 20:24 
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Joined: October 22nd, 2013, 5:27
Posts: 234
Location: Spain
I think I must agree, but it seems to callibrate, and isn't it reading something from SA in order to start MCMT reading? Like modules main table, etc.?
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labtech
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 13th, 2013, 21:19 
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Joined: August 18th, 2010, 17:35
Posts: 3637
Location: Massachusetts, USA
Indeed, it can read SA, however a heavy load of errors seem to come from the user area. I believe it is because of weak head.

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xsoliman
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 16th, 2013, 10:53 
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Joined: May 16th, 2009, 9:32
Posts: 325
Location: UNited Kingdom
The v00000008qv00000008qv00000008qv00000008qv00000008q stuff (in my experience) is the drive reallocation activity trying and continually failing to remap a bad sector
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guru
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 16th, 2013, 11:02 
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Joined: May 5th, 2004, 20:06
Posts: 2782
Location: England
43110081 = Uncorrectable error

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deftrue
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 16th, 2013, 15:31 
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Joined: October 22nd, 2013, 5:27
Posts: 234
Location: Spain
guru wrote:
43110081 = Uncorrectable error


Thanks for the tip. Is there any reference about these Sense Codes? I've tried to compare them with the ones for SCSI drives, but I can't find any relation between them (maybe these are 4-byte codes, each byte meaning something like in the SCSI case - Sense Key, Sense Code, ASCQ).

All I think I figured out is 0x00000080 means "no error".

Anyway, that's a weak head I'm afraid.

Regards
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MindMergepk
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 17th, 2013, 3:11 
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Joined: December 8th, 2013, 4:48
Posts: 831
Location: Pakistan
deftrue wrote:
( it's got 2 heads, and it shows physical and logical head maps like 00 01 02 03 04 05 06 07 08 09.


http://www.seagate.com/files/staticfile ... 1111us.pdf
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jignesh
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 17th, 2013, 13:25 
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Joined: March 21st, 2013, 14:45
Posts: 121
Location: India
xsoliman wrote:
The v00000008qv00000008qv00000008qv00000008qv00000008q stuff (in my experience) is the drive reallocation activity trying and continually failing to remap a bad sector


Dear Friend xsoliman

this is wrong this process is not indicate realocation process. its indicate blank or unknown or unresponsable read write channel data stream.

your friend
jignesh pankhania
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jignesh
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 17th, 2013, 13:28 
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Joined: March 21st, 2013, 14:45
Posts: 121
Location: India
deftrue wrote:
Hello guys,

This Seagate is blowing up my mind :S I can't even start trying regular things on it. On a normal power up, terminal shows the following:

Code:
Boot 0x40M
Spin Up[0x000065B4][0x00006A20][0x00006E8C]
Trans.

Rst 0x40M
MC Internal LPC Process
Spin Up
(P) SATA Reset

MCMTFileHandler: EXCEPTION: Failed MCMT read request
MCMainPOR: Start:
Check MCMT Version: Factory Init
MCInitialize: Start:  Buffer Words VBM: 00000210
ClearMC: Start Full  Media Cache size in host blks 00432380
LPC Disc Xfr: EXCEPTION: ProcessRWError: Status =00000002
Next Accessed LBA = 00000021
Retry LBA = 00000021
Retry Level = 00000000
ProcessRWError -Write-  at LBA 0000000000000021  Sense Code=40000087
LPC Disc Xfr: EXCEPTION: ProcessRWError: Status =00000002


Using tweezers and removing them after the MCM read is skipped, it returns:

Code:
Boot 0x40M
Spin Up[0x000065B4][0x00006A20][0x00006E8C]
Trans.

Rst 0x40M
MC Internal LPC Process
Spin Up
(DOS) Table Read FAIL
DOS: MAGIC CONFIG NUMBER MISMATCH
(DOS) Requesting File Save

MCMainPOR: EXCEPTION: SIM aborted prior to MCMT read
MCMainPOR: EXCEPTION: POR Failed General
MCMainPOR: Feature Disabled... PASS
Starting LBA of RW Request=00000000000879A9  Length=00000168
ProcessRWError -Read-   at LBA 00000000000879A9  Sense Code=43110081
MC Internal LPC Process
ASCII Diag mode

F3 T>
Starting LBA of RW Request=00000000000879AD  Length=00000164
ProcessRWError -Read-   at LBA 00000000000879AD  Sense Code=43110081


Finally, leaving tweezers for a long time, it returns:

Code:
Boot 0x40M
Spin Up[0x000065B4][0x00006A20][0x00006E8C]
Trans.

Rst 0x40M
MC Internal LPC Process
Spin Up
(DOS) Table Read FAIL
DOS: MAGIC CONFIG NUMBER MISMATCH
(DOS) Requesting File Save

(DOS) Table Read FAIL
MCMainPOR: EXCEPTION: SIM aborted prior to MCMT read
MCMainPOR: EXCEPTION: POR Failed General
MCMainPOR: Feature Disabled...
Starting LBA of RW Request=00000000000879A9  Length=00000168
ProcessRWError -Read-   at LBA 00000000000879A9  Sense Code=C3160080

Total AC8, Head AA0, Tail 28 Retry 0 Status 0

Total AC8, Head AA0, Tail 28 Retry 1 Status 0
Starting LBA of RW Request=00000000000879AD  Length=00000164
ProcessRWError -Read-   at LBA 00000000000879AD  Sense Code=C3160080

Total AC8, Head AA0, Tail 28 Retry 0 Status 0

Total AC8, Head AA0, Tail 28 Retry 1 Status 0
Starting LBA of RW Request=00000000000879B1  Length=00000160
ProcessRWError -Read-   at LBA 00000000000879B1  Sense Code=C3160080

Total AC8, Head AA0, Tail 28 Retry 0 Status 0

Total AC8, Head AA0, Tail 28 Retry 1 Status 0

Total AC8, Head AA0, Tail 28 Retry 2 Status 0
Starting LBA of RW Request=00000000000879B5  Length=0000015C
ProcessRWError -Read-   at LBA 00000000000879B5  Sense Code=C3160080

(...)

Total AC8, Head AA0, Tail 28 Retry 1 Status 0

Total AC8, Head AA0, Tail 28 Retry 2 Status 0[00000000000879A9]v00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008q...[b]endlessly.[/b]


^X log returns the following:

Code:
F3 T>
ATA  15 Cmds
Ts(ms)     dT(ms)   Op Cnt  LBA
         0 99999999 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000
         0        0 00 0000 000000000000

RW  32 Cmds
Ts(ms)     dT(ms)   xT(ms)  Type Option Mode  St EC       Info
    259291 99999999      184 04  002221 000000 1 00000080 SRV_MEM Type C Addr 00000000 Cnt 3002
    259475      184        0 03  002221 000000 1 00000080 RD_CHNL
    259475        0      339 02  002221 000000 2 43110081 XFR RD USR LBA B 000000087B05 L 0000000C BO 24000E74 VL 760B.0B40
    259848      373     2334 02  002221 000000 2 43110081 XFR RD USR LBA B 000000087B05 L 00000001 BO 24000234 BES 008AB80.008AF9F.008AB80
    262182     2334        0 1B  002221 000000 1 00000080 MEM_DBG
    262182        0        1 2B  002221 000000 1 00000080 PES
    262183        1        0 23  002221 000000 1 00000080 SRV_EC
    262183        0      184 04  002221 000000 1 00000080 SRV_MEM Type C Addr 00000000 Cnt 3002
    262367      184        0 03  002221 000000 1 00000080 RD_CHNL
    262368        1      338 02  002221 000000 2 43110081 XFR RD USR LBA B 000000087B09 L 00000008 BO 24000E74 VL 760B.0B40
    262740      372     2284 02  002221 000000 2 43110081 XFR RD USR LBA B 000000087B0C L 00000001 BO 24000234 BES 008AB80.008AF9F.008AB80
    265024     2284        0 1B  002221 000000 1 00000080 MEM_DBG
    265024        0        2 2B  002221 000000 1 00000080 PES
    265026        2        0 23  002221 000000 1 00000080 SRV_EC
    265026        0      184 04  002221 000000 1 00000080 SRV_MEM Type C Addr 00000000 Cnt 3002
    265210      184        0 03  002221 000000 1 00000080 RD_CHNL
    265210        0      338 02  002221 000000 2 43110081 XFR RD USR LBA B 000000087B0D L 00000004 BO 24000E74 VL 760B.0B40
    265583      373     2292 02  002221 000000 2 43110081 XFR RD USR LBA B 000000087B0D L 00000001 BO 24000234 BES 008AB80.008AF9F.008AB80
    267875     2292        0 1B  002221 000000 1 00000080 MEM_DBG
    267875        0        1 2B  002221 000000 1 00000080 PES
    267876        1        0 23  002221 000000 1 00000080 SRV_EC
    267876        0      184 04  002221 000000 1 00000080 SRV_MEM Type C Addr 00000000 Cnt 3002
    268060      184        0 03  002221 000000 1 00000080 RD_CHNL
    268061        1      337 02  002221 000000 2 43110081 XFR RD USR LBA B 000003C742C8 L 00000001 BO 24000E74 VL 820B.0008
    268433      372     2567 02  002221 000000 2 43110081 XFR RD USR LBA B 000003C742C8 L 00000001 BO 24000234 BES 008AB80.008AF9F.008AB80
    271000     2567        0 1B  002221 000000 1 00000080 MEM_DBG
    271000        0        1 2B  002221 000000 1 00000080 PES
    271001        1        0 23  002221 000000 1 00000080 SRV_EC
    271001        0      184 04  002221 000000 1 00000080 SRV_MEM Type C Addr 00000000 Cnt 3002
    271185      184        0 03  002221 000000 1 00000080 RD_CHNL
    271185        0      339 02  002221 000000 2 43110081 XFR RD USR LBA B 000003C742C9 L 00000001 BO 24000E74 VL 860B.0008
    271558      373 99999999 02  002221 000000 1 00000080 XFR RD USR LBA B 000003C742C9 L 00000001 BO 24000234 BES 008AB80.008AF9F.008AB80

[0000000003C742C8]v00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008qv00000008q
Starting LBA of RW Request=0000000003C742C8  Length=00000001



EC is 0x80 in most cases, but there are also 0x43110081 codes.

Trying anything like F3 T>F makes the drive return LED 0xBD errors.

And, using tweezers to short read channel, sometimes makes the drive starts beeping and it knocks 11 times, spins down, but there's no terminal access (but DRD DSC).

Any suggestions?

Thanks in advance.



Dear Friend deftrue

Its Tipical F3 case ur firmware is KC Or JC ?
i can easily resolve this issue even i have allready resolve many issue like this and other related to F3.
need just good knoledge and enough experiance to handle all F3 cases like this.

your friend
jignesh pankhania
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labtech
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 17th, 2013, 16:27 
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Joined: August 18th, 2010, 17:35
Posts: 3637
Location: Massachusetts, USA
labtech wrote:
Heads test resistance?

No reply on this so far..

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deftrue
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 18th, 2013, 11:36 
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Joined: October 22nd, 2013, 5:27
Posts: 234
Location: Spain
labtech wrote:
labtech wrote:
Heads test resistance?

No reply on this so far..


Sorry labtech, maybe I was unclear with my answer to your question before. I was trying to say that this drive will output a LED:0xBD error on any operation involving platter access (AFAI understand; maybe preamp data or heads as well), so /7X is a LED error and I don't know about preamp/heads relative resistances this way.

jignesh wrote:
Dear Friend deftrue

Its Tipical F3 case ur firmware is KC Or JC ?
i can easily resolve this issue even i have allready resolve many issue like this and other related to F3.
need just good knoledge and enough experiance to handle all F3 cases like this.

your friend
jignesh pankhania



Anyway, I managed to spin down the drive (/2 (wait) Z has been returning a Diag Error lately), and upon spin up I get a Spin Error message, which tells me about weak heads - along with the RECOV SERVO and FAIL SERVO messages, which also tell about weak or bad heads. So I don't think this is just a firmware issue... don't you agree?

Firmware is CC4C.

MindMergepk wrote:
deftrue wrote:
( it's got 2 heads, and it shows physical and logical head maps like 00 01 02 03 04 05 06 07 08 09.


http://www.seagate.com/files/staticfile ... 1111us.pdf



Thanks for the info, but what are you trying to point out there? It's a 2 platter hard disk, yes - you mean anything about 4K sectors? What I was trying to say is that I don't think PC3K is interpreting ROM correctly, because headmap info may have been moved somewhere else or packed somehow.
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labtech
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: December 18th, 2013, 20:15 
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Joined: August 18th, 2010, 17:35
Posts: 3637
Location: Massachusetts, USA
Ok, that further makes sense now in terms of confirming it is a heads issue.

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deftrue
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: January 12th, 2014, 11:00 
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Joined: October 22nd, 2013, 5:27
Posts: 234
Location: Spain
Rescuing the issue!

The donor arrived. Sadly, the provider didn't get me what I asked for (different site codes). However, I gave it a try.

Heads seem to be compatible, and either way I adjusted ROM head adaptive parameters in order to increase chances.

Guess what...

Same problem. Good callibration noises (so I assume heads/preamp are indeed compatible), and the terminal message:
Code:
MCMTFileHandler: EXCEPTION: Failed MCMT read request
Terminal output remains equal, as far as I can tell from it.

What do you think about this case? If somebody thinks he/she can help us remotely, PM me please, we can talk business.
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labtech
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: January 13th, 2014, 2:46 
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Joined: August 18th, 2010, 17:35
Posts: 3637
Location: Massachusetts, USA
Does the drive get ready? I think not, correct? If it does not get ready, then must find a way to get it ready.

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deftrue
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: January 16th, 2014, 15:42 
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Joined: October 22nd, 2013, 5:27
Posts: 234
Location: Spain
I can't get it ready. I've designed a silly system to ensure easy, long term and reliable short circuits on the read channel pair, but this is driving me mad. LED: BD seems to mean "I don't understand the command" or "I can't do that right now". Almost anything from i4,1,22 to /2 B223a,223a to check the buffer returns LED BD.

I can provide a copy of the ROM if someone can hack the headmap tables to tell the drive to use just one head (PC3k can't understand well this ROM).

I'm still willing to pay for a solution.

Cheers
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cborn
 Post subject: Re: Seagate ST1000DM003 MCMT
PostPosted: March 11th, 2014, 1:52 
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Joined: March 11th, 2014, 1:18
Posts: 2
Location: Australia
Quote:
using tweezers to short read channel


I'm having a similar problem with this drive.

Code:
Rst 0x40M
MC Internal LPC Process
Spin Up
TCC-001A
(P) SATA Reset

MCMainPOR: Start:
Check MCMT Version: Current
MCMainPOR: Non-Init Case
MCMainPOR: EXCEPTION: MCMT PRI copy corrupt
MCMainPOR:  MCMT SEC copy valid
Reconstruction: MCMT Reconstruction Start
  Max number of MC segments 0A61
Nonvolatile MCMT sequence number 0232027C
[RSRS] 02AD
ProcessRWError -Read-   at LBA 0000000000022C50  Sense Code=40000087
InitiateMarkPendingReallocateRequest for disc_lba: 0000000000022C50!

Reconstruction: Completed 1:
[MCMTWS]
Rst 0x40M
MC Internal LPC Process
Spin Up
TCC-001B
LED:00000047 FAddr:FFFFFFFE
LED:00000047 FAddr:FFFFFFFE


Can you let me know where to apply tweezers to short the read channel, to see if I can get access?

Thanks
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