Mixing 512-byte sector, and 4096-byte sector drives

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Hello,

I have a 6-drive RAID6 of WD15EADS (512-byte sector) drives. One of the drives is failing, and I have been forced to buy a WD15EARS (4096-byte sector) drive to replace the failing drive, and it has the new "advanced format" technology.

Do I need to set the "XP" jumper on pins 7-8 to play nicely with the other 512-byte sector drives in my array, or will mdraid be okay with the 4096-byte sector drive? Will there be a performance penalty adding the drive to my array?

Thank you,

-Peter
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