On 2020/12/01 20:11, hch@xxxxxxxxxxxxx wrote: > On Tue, Dec 01, 2020 at 11:03:35AM +0000, Damien Le Moal wrote: >> Well, not really. HA drives, per specifications, are backward compatible. If >> they are partitioned, the block layer will force a regular drive mode use, >> hiding their zoned interface, which is completely optional to use in the first >> place. >> >> If by "untested territory" you mean the possibility of hitting drive FW bugs >> coming from the added complexity of internal GC, then I would argue that this is >> a common territory for any FS on any drive, especially SSDs: device FW bugs do >> exist and show up from time to time, even on the simplest of drives. > > Also note that most cheaper hard drives are using SMR internally, > you'll run into the same GC "issues" as with a HA drive that is used for > random writes. Indeed. Good point ! -- Damien Le Moal Western Digital Research
