Sounds like bcache in writeback mode. Assumes all underlying block devices are RAIDed, or losing one will mean losing data; that is, for example RAID1(SSD+SSD) & RAID5(8*HDD). http://www.lessfs.com/wordpress/?p=776 -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
