What are the correct mkfs.xfs parameters for a lying WD-EARS HDD?
Martin K. Petersen
martin.petersen at oracle.com
Mon Mar 8 17:55:55 CST 2010
>>>>> "Eric" == Eric Sandeen <sandeen at sandeen.net> writes:
Eric> Make sure your partitions, if any, are on 4k boundaries.(*) older
Eric> fdisk at least won't do this by default, not sure about parted.
You can use the expert mode in fdisk to ensure that the partition begins
on a 4KB boundary.
Eric> (*)unless the drive has an offset to make 512-sector 63 line up on
Eric> a nice boundary... in which case I guess you could experiment with
Eric> perf both ways to be sure...
EARS is the one that's lying about the physical block size. It's
zero-aligned unless somebody messed with the jumper.
Martin K. Petersen Oracle Linux Engineering
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