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 Post subject: Seagate Grenada Is fw responsible for logical corruption
PostPosted: December 1st, 2020, 1:05 
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Joined: November 23rd, 2010, 13:32
Posts: 548
Location: brisbane
Hi Frineds I am working on a hard disk which is attached to a PLC automation device.
Its Seagate OEM HP fw disk (Detected as Grenada in PC3K)--
ST2000DM001-7ER164
FW -- HP 52

Disk has slightly delayed detection , I am unable to access SA by ATA and Terminal.
In DE I have been able to copy MFT's of one partition (100% MFT sector copied) but strangly data folders are empty .
Is there any co relation between FW not getting accesssed and improper logical data ? As per cust. There are 2-3 partitions but in DE GPT only 1 OS partition is accessible.
What should I do now to gain SA /Modules access.
Here are snaps of the disk.


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 Post subject: Re: Seagate Grenada Is fw responsible for logical corruption
PostPosted: December 2nd, 2020, 1:21 
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Joined: September 1st, 2012, 6:16
Posts: 198
Location: Universe
I am not sure but Rom patching might be needed to unable tech Mode ,experts pls. comment


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 Post subject: Re: Seagate Grenada Is fw responsible for logical corruption
PostPosted: December 2nd, 2020, 6:12 
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Joined: November 23rd, 2010, 13:32
Posts: 548
Location: brisbane
Update to this case ----
I have patched ROM and terminal is unlocked. I tried to mount disk and run a data recovery software. Strangely now folders aren't empty.
So data is present but due to FW corruption I am not getting this data.


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 Post subject: Re: Seagate Grenada Is fw responsible for logical corruption
PostPosted: December 8th, 2020, 3:56 
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Joined: September 1st, 2012, 6:16
Posts: 198
Location: Universe
This model is SED drive . I think in this case partition shift has occured.


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 Post subject: Re: Seagate Grenada Is fw responsible for logical corruption
PostPosted: December 11th, 2020, 5:49 
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Joined: November 23rd, 2010, 13:32
Posts: 548
Location: brisbane
This case is still open and I can give remote access to my pc3000 if anyone wants to study.
How to interpret following terminal

(P) SATA Reset
RAW OFF
PASS
6Gb Max Speed lowered to 3Gb for Intel bug
Send Status: COMRESET seen
PowerTransition
(DOS) File Save DONE
PowerTransition
(DOS) File Save DONE
PowerState = IDLE1
HighPowerMode Status 0001 Req 0002
PowerState = IDLE2
HighPowerMode
TCC:001B
Status 0001 Req 0034
TCC:001B
HighPowerMode Status 0001 Req 0034
TCC:001B
HighPowerMode Status 0001 Req 0034
TCC:001C
HighPowerMode Status 0001 Req 0034
TCC:001C


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