Paul Clements wrote: > Al Boldi wrote: > > NeilBrown wrote: > >>If a device is flagged 'WriteMostly' and the array has a bitmap, > >>and the bitmap superblock indicates that write_behind is allowed, > >>then write_behind is enabled for WriteMostly devices. > > > > Nice, but why is it dependent on WriteMostly? > > WriteMostly is just a flag that tells us which devices will get the > write-behinds, and which will not. You'll be able to mix any > combination of WriteMostly devices and normal devices in a raid1. > Yes, but doesn't WriteMostly imply ReadDelay? If so, doesn't that mean that WriteBehind is dependent on ReadDelay? -- Al - 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
