Aaron, > The target is an HDD behind a MegaRAID controller configured as JBOD. Running in JBOD mode is probably part of the problem. > root@pve1:~# sg_vpd -l /dev/sda > Supported VPD pages VPD page: > [PQual=0 Peripheral device type: disk] > 0x00 Supported VPD pages [sv] > 0x80 Unit serial number [sn] > 0x83 Device identification [di] > 0x87 Mode page policy [mpp] > 0x89 ATA information (SAT) [ai] > 0x8a Power condition [pc] > 0xb0 Block limits (SBC) [bl] > 0xb1 Block device characteristics (SBC) [bdc] > 0xb2 Logical block provisioning (SBC) [lbpv] I am working on a fix for what's probably a related issue. I would appreciate if you could do two things: 1. Please send me the output of: # sg_opcodes /dev/sda 2. Try building and booting: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git/log/?h=6.10/scsi-fixes and see if that makes a difference in your case. Thanks! Martin