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PaDadof2

unclean shutdown, now cache drive unmountable

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6 hours ago, PaDadof2 said:

I tried to use this guide

That's your best bet.

 

P.S. syslog is spammed with errors like these:

 

Jan  6 04:40:01 Tower kernel: ACPI Error: AE_AML_BUFFER_LIMIT, Evaluating _PMM (20180531/power_meter-338)
Jan  6 04:40:02 Tower kernel: ACPI Error: SMBus/IPMI/GenericSerialBus write requires Buffer of length 66, found length 32 (20180531/exfield-393)
Jan  6 04:40:02 Tower kernel: ACPI Error: Method parse/execution failed \_SB.PMI0._PMM, AE_AML_BUFFER_LIMIT (20180531/psparse-516)
Jan  6 04:40:02 Tower kernel: ACPI Error: AE_AML_BUFFER_LIMIT, Evaluating _PMM (20180531/power_meter-338)
Jan  6 04:40:03 Tower kernel: ACPI Error: SMBus/IPMI/GenericSerialBus write requires Buffer of length 66, found length 32 (20180531/exfield-393)
Jan  6 04:40:03 Tower kernel: ACPI Error: Method parse/execution failed \_SB.PMI0._PMM, AE_AML_BUFFER_LIMIT (20180531/psparse-516)
Jan  6 04:40:03 Tower kernel: ACPI Error: AE_AML_BUFFER_LIMIT, Evaluating _PMM (20180531/power_meter-338)
Jan  6 04:40:04 Tower kernel: ACPI Error: SMBus/IPMI/GenericSerialBus write requires Buffer of length 66, found length 32 (20180531/exfield-393)
Jan  6 04:40:04 Tower kernel: ACPI Error: Method parse/execution failed \_SB.PMI0._PMM, AE_AML_BUFFER_LIMIT (20180531/psparse-516)

 

And so useless.

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thanks, Johnnie.black.  

 

I've tried the guide, but I'm not getting anywhere.  

 

can anyone help me with this guide and walk me through what each item should read

 

mkdir /x  what should x be?

 

mount -o recovery,ro /dev/sdf1 /x     I used sdf1, but again not sure what x should be

 

thanks a lot

 

 

 

 

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2 minutes ago, PaDadof2 said:

mkdir /x  what should x be?

it can just be x or any other name you want, it's just for a temporary mount point

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Thank you for the quick response, I just tried that and got this error

mount: /x: can't read superblock on /dev/sdf1.

 

Do I need to have my array in maintenance mode?  

 

I really appreciate the help!

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That means the superblock is damaged, try the mount -o recovery option and/or btrfs restore with a backup superblock, though a damaged superblock implies severe corruption, so recovery not so likely.

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