On May 31, 2013, at 2:25 PM, Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx> wrote: > On 5/31/2013 2:30 AM, Roman Mamedov wrote: > >> Sorry but what is "Rust drive partition"? At first I thought it's some >> software layer like 'bcache' or some other non-regular block device. Then I >> think I got it, but can you please leave at home your own petty cutesy >> terminology when asking a serious question on a serious mailing list? > > Mechanical disk drive platters have always possessed a ferrous film > (Iron oxide--rust) coating layer which is the magnetic recording > surface. If you look at the old 12" drives the platters are red because > back then they literally used iron oxide as the platter coating. Today > platters are a shiny chrome color because the coatings contain other > elements as well and the coating is much more dense. > > Before SSDs one could say "HDD" and everyone knew what this meant. > Today "HDD" can mean either mechanical hard disk drive or SSD. To easily > differentiate, it has become commonplace to refer to mechanical hard > drives simply as "rust" because it's quicker to type and universally > understood. If this is the first time you're seeing this term that's a > bit surprising. > It would seem to be rather misleading to call a SSD a Hard Disk Drive since they have no disks... it should be quite understandable to say HDD+SSD I have also never heard of this "Rust" terminology, it would also seem to be rather counterintuitive to create new names for things with distinctive names already. A Hard Drive can refer to either, yes... but not a Hard DISK Drive. disk /disk/ Noun • A flat, thin, round object: "heavy metal disks the size of hockey pucks"; "onion soup ladled over a disk of cheese". • An information storage device for a computer in the shape of a round flat plate that can be rotated to give access to all parts of the disk. v/r Sam -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
