On Mon, Aug 15, 2011 at 4:21 PM, Pavel Hofman <pavel.hofman@xxxxxxxxxxx> wrote: > Does your scenario involve using two "external" drives, being swapped > each time? Yes, exactly, 3 or more drive, one stays in place, and the others get rotated off-site. > I am using such setup, but in order to gain the bitmap > performance effects, I have to run two mirrored RAID1s, i.e. two > bitmaps, each for its corresponding external disk. This setup has been > working OK for a few years now. Did you script something that stops the RAID and re-assemble it? The RAID must stay mounted in my case as there is live data (incremential backups, so even if the last file is incomplete it is not a problem.) -- 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