Better idea, mdadm -C /dev/md0 -n2 -l1 /dev/ssd --write-behind --write-mostly /dev/loop0
Raid1 with a ramdisk and the SSD, ramdisk will queue up writes and flush them to disk, if you happen to accumulate writes to the same portion, both of them won’t happen to the ssd :)
Wondering if that would actually work..it would be pretty cool.
Thanks to Anonymous Coward @ Slashdot (Comment)