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 Post subject: Seagate Bacall Diagnostics
PostPosted: July 31st, 2021, 8:39 
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Joined: September 1st, 2012, 6:16
Posts: 182
Location: Universe
I have got seagate Bacall family disk , as per normal process I have backed up sys files. I have cleared SMP flags as well.
I have been successful to copy data from one partition (25mb/sec) so heads are healthy, but while copying from other now disk has become unstable.It is getting auto reset in loop (I have disabled soft /hard reset) . what could be the reason for this sudden behaviour ? I haven't touched translator or fired any command
as I am not fully aware of its implications (i4,1,22 etc) What should I do now as drive is getting power reset automatically in loop. I have to still copy aprox. 150 GB data.

terminal shows following-
Trans.

Spin Up
RECOV Servo Op=0900 Resp=0005
(P) SATA Reset
PASS
6Gb Max Speed lowered to 3Gb for Intel bug
Send Status: COMRESET seen
Set Transfer Mode selected
Ultra DMA selected
Set Transfer Mode selected
Boot 0x40M
Spin Up
RECOV Servo Op=0100 Resp=0005
Trans.

Spin Up
RECOV Servo Op=0900 Resp=0005
(P) SATA Reset
PASS
6Gb Max Speed lowered to 3Gb for Intel bug
Send Status: COMRESET seen
PowerState = IDLE1
HighPowerMode Status 0001 Req 0006
PowerState = IDLE1
HighPowerMode Status 0001 Req 0006
PowerState = IDLE1
HighPowerMode Status 0001 Req 0034
PowerState = IDLE1


Attachments:
Screenshot 2021-07-31 023427.jpg
Screenshot 2021-07-31 023427.jpg [ 211.75 KiB | Viewed 16518 times ]
Screenshot 2021-07-31 023040.jpg
Screenshot 2021-07-31 023040.jpg [ 131.12 KiB | Viewed 16518 times ]
Bacall.jpg
Bacall.jpg [ 155.88 KiB | Viewed 16518 times ]
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 Post subject: Re: Seagate Bacall Diagnostics
PostPosted: July 31st, 2021, 8:58 
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Joined: September 1st, 2012, 6:16
Posts: 182
Location: Universe
I want to add some more details here , when reading of head 2 starts then only restart loop event occurs ( I have disabled soft rest /hard reset). I think this has something to do with Head 2. All modules except 44 are ok .
Head resistance is as following -

F3 T>/7

F3 7>X

Head 00 Resistance 00F0
Head 01 Resistance 0145
Head 02 Resistance 00FB
Head 03 Resistance 0106


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 Post subject: Re: Seagate Bacall Diagnostics
PostPosted: July 31st, 2021, 9:20 
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Joined: November 7th, 2020, 5:31
Posts: 1084
Location: The_UK
Reset DE back to defaults. Do the head test in DE - any errors?

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https://www.usbrecovery.co.uk/


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 Post subject: Re: Seagate Bacall Diagnostics
PostPosted: August 1st, 2021, 22:50 
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Joined: September 1st, 2012, 6:16
Posts: 182
Location: Universe
Lardman wrote:
Reset DE back to defaults. Do the head test in DE - any errors?


As you have suggested I checked DE , Head may not be the problem as I have recovered 42 GB data from one drive and 119 GB from other.
Still drive gets hard reset in loop continuously . What is forcing or triggering power on /off ?
Is there any Head 2 related module I can repair ?

Here is head resistance
HighPowerMode Status 0001 Req 0002
Head 00 Resistance 00F0
Head 01 Resistance 0147
Head 02 Resistance 00FA
Head 03 Resistance 0106


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 Post subject: Re: Seagate Bacall Diagnostics
PostPosted: August 2nd, 2021, 11:58 
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Joined: November 7th, 2020, 5:31
Posts: 1084
Location: The_UK
higgsboson wrote:
Still drive gets hard reset in loop continuously . What is forcing or triggering power on /off ?
If you have disabled soft rest and hard rest there's nothing else DE can do other than power cycle when it hits even a small problem reading. Doing the head check in DE tests sectors across the drive not just a resistance check, it gives a better indication of translator issues or platter damage.

Increase your readiness timer on the hard reset and give the drive longer to sort itself out before a power cycle - see if that helps.

I only have 1 working ST2000VM003 on the shelf the rest have head or platter damage, that also fails on module 44
Code:
Module 0044, BIG file................................................. : Error
Error : Out of memory


It's not likely to be a head issue from what you've said - it's more likely to be platter damage.

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https://www.usbrecovery.co.uk/


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 Post subject: Re: Seagate Bacall Diagnostics
PostPosted: August 2nd, 2021, 22:38 
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Joined: September 1st, 2012, 6:16
Posts: 182
Location: Universe
Lardman wrote:
higgsboson wrote:
Still drive gets hard reset in loop continuously . What is forcing or triggering power on /off ?
If you have disabled soft rest and hard rest there's nothing else DE can do other than power cycle when it hits even a small problem reading. Doing the head check in DE tests sectors across the drive not just a resistance check, it gives a better indication of translator issues or platter damage.

Increase your readiness timer on the hard reset and give the drive longer to sort itself out before a power cycle - see if that helps.

I only have 1 working ST2000VM003 on the shelf the rest have head or platter damage, that also fails on module 44
Code:
Module 0044, BIG file................................................. : Error
Error : Out of memory


It's not likely to be a head issue from what you've said - it's more likely to be platter damage.


thanks Lardman
Yes I must check Head status in DE as resitance is not true indicator. But since I have been able top copy so much data heads must be OK.
Actually I have disabled soft reset /Hard Reset from settings in DE but that does not start repowering cycle.
Even disabling Head 2 does not solve the same.


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 Post subject: Re: Seagate Bacall Diagnostics
PostPosted: August 3rd, 2021, 2:29 
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Joined: November 7th, 2020, 5:31
Posts: 1084
Location: The_UK
Can you post this screen please.
Attachment:
suggested_settings.PNG
suggested_settings.PNG [ 19.71 KiB | Viewed 16239 times ]
And an image of the map showing the start of either the skipped of bad blocks.

Couple of other things to try in DE.

Do your partition map
Sort by LBA in reverse
Change read order to reverse
Try stepping down the read mode to hardware failures
Increase skip size to 10K

And on a very small percent of drives (perhaps 1/500) disabling read ahead cache will help with stabilisation but absolutely kill read speed.

You should be safe to regen the translator and try that if you've backed up the module - but if I understand your diagnosis properly Id say platter damage.

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https://www.usbrecovery.co.uk/


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 Post subject: Re: Seagate Bacall Diagnostics
PostPosted: August 3rd, 2021, 8:19 
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Joined: September 1st, 2012, 6:16
Posts: 182
Location: Universe
Lardman wrote:
Can you post this screen please.
Attachment:
suggested_settings.PNG
And an image of the map showing the start of either the skipped of bad blocks.

Couple of other things to try in DE.

Do your partition map
Sort by LBA in reverse
Change read order to reverse
Try stepping down the read mode to hardware failures
Increase skip size to 10K

And on a very small percent of drives (perhaps 1/500) disabling read ahead cache will help with stabilisation but absolutely kill read speed.

You should be safe to regen the translator and try that if you've backed up the module - but if I understand your diagnosis properly Id say platter damage.

Thanks a lot Lardman
To be frank I haven't used all these settings at all. May be my knowledge of DE is very basic. I will try all settings you have suggested and revert.


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 Post subject: Re: Seagate Bacall Diagnostics
PostPosted: August 6th, 2021, 0:25 
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Joined: September 1st, 2012, 6:16
Posts: 182
Location: Universe
Lardman wrote:
Can you post this screen please.
Attachment:
The attachment suggested_settings.PNG is no longer available
And an image of the map showing the start of either the skipped of bad blocks.

Couple of other things to try in DE.

Do your partition map
Sort by LBA in reverse
Change read order to reverse
Try stepping down the read mode to hardware failures
Increase skip size to 10K

And on a very small percent of drives (perhaps 1/500) disabling read ahead cache will help with stabilisation but absolutely kill read speed.

You should be safe to regen the translator and try that if you've backed up the module - but if I understand your diagnosis properly Id say platter damage.


Hi Lardman
Here is my DE settings.
Now disk remains in permanant busy state , possibly heads have died by now. It is continuously power cycling on /off , though I have disabled this in DE. Even disabling Heads does not change switching on /off that means this has nothing to do with DE but something else.

Terminal shows following -
PASS
Boot 0x40M
Spin Up
RECOV Servo Op=0100 Resp=0005
Trans.

Spin Up
RECOV Servo Op=0900 Resp=0005
(P) SATA Reset
PASS
Boot 0x40M
Spin Up
RECOV Servo Op=0100 Resp=0005
Trans.

Spin Up
RECOV Servo Op=0900 Resp=0005
(P) SATA Reset
PASS
Boot 0x40M
Spin Up
RECOV Servo Op=0100 Resp=0005
Trans.

Spin Up
RECOV Servo Op=0900 Resp=0005
(P) SATA Reset
PASS
Boot 0x40M
Spin Up
RECOV Servo Op=0100 Resp=0005
Trans.

Spin Up
RECOV Servo Op=0900 Resp=0005
(P) SATA Reset
PASS
Boot 0x40M
Spin Up
RECOV Servo Op=0100 Resp=0005


Attachments:
22.jpg
22.jpg [ 69.68 KiB | Viewed 16035 times ]
DE settings1.jpg
DE settings1.jpg [ 48.64 KiB | Viewed 16035 times ]
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 Post subject: Re: Seagate Bacall Diagnostics
PostPosted: August 6th, 2021, 0:49 
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Joined: August 15th, 2006, 3:01
Posts: 3464
Location: CDRLabs @ Chandigarh [ India ]
Hello ,
Now Heads Have Gone ,But Data would have been recovered if you had used some different settings in DE ,I would urge you to go to youtube and checkout series of lectures from deespar to understand block size ,timings etc and then apply this to DE

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Amarbir S Dhillon , Chandigarh Data Recovery Labs [India]
Logical,Semi Physical And Physical Data Recovery
Website-> http://www.chandigarhdatarecovery.com


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 Post subject: Re: Seagate Bacall Diagnostics
PostPosted: August 9th, 2021, 2:24 
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Joined: September 1st, 2012, 6:16
Posts: 182
Location: Universe
Amarbir[CDR-Labs] wrote:
Hello ,
Now Heads Have Gone ,But Data would have been recovered if you had used some different settings in DE ,I would urge you to go to youtube and checkout series of lectures from deespar to understand block size ,timings etc and then apply this to DE


OK. Thanks a lot Amarbir , Yes I must learn these settings and its impact on imaging.


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