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 Post subject: Unable to clear SMP flags
PostPosted: August 31st, 2025, 9:13 
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Joined: March 9th, 2017, 6:16
Posts: 127
Location: trinidad
Hi
I am getting errors while clearing SMP flags , can someone pls. help.


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 Post subject: Re: Unable to clear SMP flags
PostPosted: August 31st, 2025, 13:54 
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Joined: September 8th, 2009, 18:21
Posts: 16954
Location: Australia
You could try issuing the following Case Sensitive commands at Level T.

Code:
F"READ_SPARING_ENABLED",0,22
F"WRITE_SPARING_ENABLED",0,22
F"OFFLINE_SPARING_ENABLED",0,22
F"DAR_ENABLED",0,22
F"DISABLE_IDLE_ACTIVITY",1,22
F"BGMS_DISABLE_DATA_REFRESH",1,22
F"ABORT_PREFETCH",1,22
F"READ_LOOKAHEAD_DISABLED_ON_POWER_UP",1,22
F"READ_CACHING_DISABLED_ON_POWER_UP",1,22

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 Post subject: Re: Unable to clear SMP flags
PostPosted: August 31st, 2025, 20:19 
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Joined: March 9th, 2017, 6:16
Posts: 127
Location: trinidad
fzabkar wrote:
You could try issuing the following Case Sensitive commands at Level T.

Code:
F"READ_SPARING_ENABLED",0,22
F"WRITE_SPARING_ENABLED",0,22
F"OFFLINE_SPARING_ENABLED",0,22
F"DAR_ENABLED",0,22
F"DISABLE_IDLE_ACTIVITY",1,22
F"BGMS_DISABLE_DATA_REFRESH",1,22
F"ABORT_PREFETCH",1,22
F"READ_LOOKAHEAD_DISABLED_ON_POWER_UP",1,22
F"READ_CACHING_DISABLED_ON_POWER_UP",1,22


Thanks fzabkar , I am hopeful it will work. :good:


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 Post subject: Re: Unable to clear SMP flags
PostPosted: August 31st, 2025, 22:43 
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Joined: March 9th, 2017, 6:16
Posts: 127
Location: trinidad
Thanks fzabkar , I am hopeful it will work. :good:[/quote]
Can these commands make permanent changes or in Ram only , I have given all commands but changes are not reflected in sysfile , drive has same symptoms.


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 Post subject: Re: Unable to clear SMP flags
PostPosted: September 1st, 2025, 2:05 
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Joined: October 3rd, 2005, 0:40
Posts: 4753
Location: Hungary
Quote:
, drive has same symptoms.

maybe i can't see the obvious, but what symptoms do you mean?
SMPs didn't get changed after issuing those commands. Didn't you apply wr protect patch by any chance?

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 Post subject: Re: Unable to clear SMP flags
PostPosted: September 1st, 2025, 8:33 
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Joined: March 9th, 2017, 6:16
Posts: 127
Location: trinidad
pepe wrote:
Quote:
, drive has same symptoms.

maybe i can't see the obvious, but what symptoms do you mean?
SMPs didn't get changed after issuing those commands. Didn't you apply wr protect patch by any chance?


Thanks a lot pepe
After issuing commands when I try to get sector access disk becomes busy & readyness is lost. Also when I check sysfile 93 all unchecked flags are not actually cleared.
SMP Dbl: 0x3C001000 - 0x0001FFFF (0x0000000F) and MCMT not available error is also displayed
i


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 Post subject: Re: Unable to clear SMP flags
PostPosted: September 2nd, 2025, 2:53 
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Joined: March 9th, 2017, 6:16
Posts: 127
Location: trinidad
Frustrated with drives behavior I outsourced this case & got a reply that Head 1 is weak & drive is having large TEC sectors , recovery will be partial & will need head transplant


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 Post subject: Re: Unable to clear SMP flags
PostPosted: October 9th, 2025, 11:08 
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Joined: September 21st, 2016, 14:37
Posts: 40
Location: New York
bunty wrote:
Hi
I am getting errors while clearing SMP flags , can someone pls. help.

When editing SMP flags on rosewoods you need to do it via ATA, not terminal in the drop down menu. It will trhow not supported by firmware. You use the normal "edit HDD ID" in the drop down. Alternatively you could read the module, edit it and write it back under work with rom.


Or you can issue terminal commands as stated above. Though if this is a rosewood SSHD you must disable flags via terminal commands otherewise you brick the drive.


Weak head can also cause this but there is probably more if this is a partial. May be really bad platter conditions or platter damage on that head.

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 Post subject: Re: Unable to clear SMP flags
PostPosted: October 11th, 2025, 11:15 
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Joined: March 9th, 2017, 6:16
Posts: 127
Location: trinidad
Omega wrote:
bunty wrote:
Hi
I am getting errors while clearing SMP flags , can someone pls. help.

When editing SMP flags on rosewoods you need to do it via ATA, not terminal in the drop down menu. It will trhow not supported by firmware. You use the normal "edit HDD ID" in the drop down. Alternatively you could read the module, edit it and write it back under work with rom.


Or you can issue terminal commands as stated above. Though if this is a rosewood SSHD you must disable flags via terminal commands otherewise you brick the drive.


Weak head can also cause this but there is probably more if this is a partial. May be really bad platter conditions or platter damage on that head.


Thanks Omega
I will remember ATA settings . I feel its better to use terminal commands each time.


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