On 20 May 2011 13:34, Roman Mamedov <rm@xxxxxxxxxx> wrote: > On Fri, 20 May 2011 08:18:32 -0400 > Joe Landman <joe.landman@xxxxxxxxx> wrote: > >> Second off, you can turn any of the expensive RAID cards into an 'JBOD' >> by doing something like this: >> >> 1) have the unit configured in RAID mode >> >> 2) build virtual disks out of single drives, as RAID0. >> >> 3) iterate 2 until you exhaust your drives. >> >> 4) make sure you prevent these drives from messing with your boot drive >> order ... some bioses "helpfully" reorganize new drives for you by >> messing with this list. >> >> Once the drive is a 1 disk RAID0, you get the cache, and the BBU for the >> cache. ÂYeah, its a little weird. ÂBut it does work (we've done this >> with some LSI8888's). > > But can you then access SMART of the individual drives? > Or will you see only some bogus block devices which do not accept SMART > commands, do not return real drive identity, and present themselves as RAID0 > #1, RAID0 #2 etc. instead? > > -- > With respect, > Roman > Depends on the controller; e.g. smartctl -A -d 3ware,$I /dev/twa0 smartctl -A -d megaraid,$I /dev/sda (where $I is the port on the controller) /M -- 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
