Comment 23 for bug 1856434

Revision history for this message
Joel Svensson (joelsvensson) wrote :

Had the exact same problem on Dell hardware with HBA330.
Possible to solve with a "sg_format --format" on every single drive or by upgrading fw on the HBA controller.

https://www.dell.com/support/home/en-us/drivers/driversdetails?driverid=nknvc&oscode=wst14&productcode=poweredge-r740xd

-Fixes a firmware initialization problem that causes T10 Protection Information (PI) Logical Block and Guard Tag errors under Linux operating systems. This can result in an inability to read from T10 PI capable drives.

More info about T10 Protection Information (T10-PI)
https://www.seagate.com/files/staticfiles/docs/pdf/whitepaper/safeguarding-data-from-corruption-technology-paper-tp621us.pdf

Check status with
sg_readcap -l /dev/sda
"Protection: prot_en=1, p_type=1, p_i_exponent=0 [type 2 protection]"
or
smartctl --all /dev/sda
"Formatted with type 2 protection"