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 Post subject: ST2000LM007 - virtual start
PostPosted: December 22nd, 2022, 8:06 
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Joined: July 27th, 2019, 17:40
Posts: 113
Location: Vienna
Hello,

I have a ST2000LM007 here which show the following log entries:

Code:
(P) SATA Reset

RAW OFF
PASS
(DOS Table) Worst Count: 000018EC At SU: 000050E4 NT: 0000001E OT: 00000011
(POR) Recover Secondary MCMT Opened Recovered
MS Read Fails: 8C8CE810,00004210
DSC PASS
Starting LBA of RW Request=001D7A89C8  Length=00000842
ProcessRWError -Read-   at LBA 001D7A89C8  Sense Code=43110081Out: [PRA]!

Starting LBA of RW Request=001D7A89C8  Length=00000842
ProcessRWError -Read-   at LBA 001D7A89C9  Sense Code=43110081Out: [PRA]!

Starting LBA of RW Request=001D7A89C8  Length=00000842
ProcessRWError -Read-   at LBA 001D7A89CA  Sense Code=43110081Out: [PRA]!

Starting LBA of RW Request=001D7A89C8  Length=00000842
ProcessRWError -Read-   at LBA 001D7A89CB  Sense Code=43110081Out: [PRA]!

Starting LBA of RW Request=001D7A89C8  Length=00000842
ProcessRWError -Read-   at LBA 001D7A89CC  Sense Code=43110081Out: [PRA]!

Starting LBA of RW Request=001D7A89C8  Length=00000842
ProcessRWError -Read-   at LBA 001D7A89CD  Sense Code=43110081Out: [PRA]!

Starting LBA of RW Request=001D7A89C8  Length=00000842
ProcessRWError -Read-   at LBA 001D7A89CE  Sense Code=43110081Out: [PRA]!

Starting LBA of RW Request=001D7A89C8  Length=00000842
ProcessRWError -Read-   at LBA 001D7A89CF  Sense Code=43110081Out: [PRA]!

Starting LBA of RW Request=001D7A89C8  Length=00000842
ProcessRWError -Read-   at LBA 001D7A89D0  Sense Code=43110081Out: [PRA]!

Starting LBA of RW Request=001D7A89C8  Length=00000842
ProcessRWError -Read-   at LBA 001D7A89D1  Sense Code=43110081Out: [PRA]!

Starting LBA of RW Request=001D7A89C8  Length=00000842
ProcessRWError -Read-   at LBA 001D7A89D2  Sense Code=43110081Out: [PRA]!


According to the MRT-support I should
  • Unlock firmware access
  • Backup sysfiles 1B, 28, 35, 20D and 348
  • Backup Module 3D
  • Crerate a virtual start
  • Clear the ALT-list
  • Rebould the translator with the ALT-list

I just don't feel very comfortable doing that without really understanding what I do there...

Could someone please clerify what the virtual start really does and what options I need to tick. And what is the ALT-list? What could be the potential problems? Why do I need to backup the sysfiles 1B, 28, ... - just in case something goes wrong or do I need them later for something?

I have prepared all - I have the sysfiles and the module 3D saved ans well as the ROM. I just want to clearify all before I start.


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 Post subject: Re: ST2000LM007 - virtual start
PostPosted: December 30th, 2022, 10:30 
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Joined: July 27th, 2019, 17:40
Posts: 113
Location: Vienna
I have solved it by waiting till the terminal was ready and then:

Code:
F"RWRecoveryFlags",00,22
F"BGMSFlags",00,22
F"PerformanceFlags",047C,22
F"MediaCacheControl",00,22

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

F"SerialDebugLevel",1


... followed by Edit HDD ID to make sure the settings stick and I have not overlooked something.

Alt-List was filled up because head 3 was weak and produce in UDMA mode a lot of reading errors which cause the issue.

Head 0-2 are cloned now and I am getting head 03 to read in PIO mode. Actually I am filling in the gaps and hopefully head 3 will be holding up till I have cloned all. Actually I am getting out of head 3 aprox. 0.8 - 1.3 MB/s.


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 Post subject: Re: ST2000LM007 - virtual start
PostPosted: March 15th, 2023, 8:44 
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Joined: March 15th, 2023, 8:34
Posts: 1
Location: Delhi
Hello, I have a ST2000LM007 here which show the following log entries: Code: (P) SATA Reset RAW OFF PASS (DOS Table) Worst Count: 000018EC ...


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