[wellylug] preliminary SATA Linux software RAID0/RAID1 comparison

[sam at plaz.net.nz]

Quoting Wood Brent <pcreso at pcreso.com>:

> I have run bonnie++ but can't see how to test specific partitions with it. As
> I
> don't know which partitions it is using, I'm not including the results here.

Bonnie++ tests a filesystem rather than a partition, so you also get affected by
any overheads caused by the filesystem of the drive you're testing.

The parameter give to the -d (scratch dir) option is the directory beneath which
bonnie++ should create the files it uses for testing.

The total size (-s) should be at least equal to your total ram (if not more) to
ensure that you don't end up testing Linux's disk cache rather than the disk
read speed.

Hope this helps,

Sam