On Fri, 2006-04-28 at 09:06 +1000, Neil Brown wrote: > On Thursday April 27, mingz@xxxxxxxxxxx wrote: > > > > On Fri, 2006-04-28 at 08:04 +1000, Neil Brown wrote: > > > On Tuesday April 25, rikherrin@xxxxxxxxx wrote: > > > > Hi, > > > > I have a setup where I want to use RAID 1 to mirror > > > > my data over the LAN. I am exposing 2x500 GB-sized > > > > devices via iSCSI and was wondering if I could > > > > configure the RAID 1 to write to both members of the > > > > RAID 1 configuration but only read from one as one > > > > only read from one disk, shall this be a "--read-preferred" ? > > No. The one(s) you don't read from is the odd-one-out. The one(s) > you read from are 'normal' and don't get a special flag. > > > > > i checked email archive, but still not quite understand on this > > "--write-mostly". for raid1, u anyway need to write all components, so > > why there is a "mostly"? > > > > Mostly it will just write to this device. > But if all the non-write-mostly device fail, then it will read from > this device. So it isn't write-only. It is write-mostly. > > Make sense? i know why my English language test had that low score now. thx! > > NeilBrown - 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
