I know that some raid management information is save on the disks. But I am using 250 GB disks at minimum dd'ing this amount would be too long. Has know the exact position of where to dd ? On Tue, 2005-08-02 at 13:27 -0700, Jason Leach wrote: > Raz: > > The 3ware (at least my 9500S-8) keeps the info about the disk and how > it fits into the RAID array on the disk; I think in the DCB is used > for this. You can (and I have) unplug the disks, then connect them to > different ports and the array will still work fine. > > When you are adding a disk from a different array it probably has the > DCB from that array. This is conflicting with your new array. I would > do as the Dan suggests, and clear the disk. > > Jason. > > On 8/2/05, Dan Stromberg <strombrg@xxxxxxxxxxxxxxx> wrote: On Tue, > 2005-08-02 at 13:52 +0300, Raz Ben-Jehuda(caro) wrote: > > > i have encountered a weired feature of 3ware raid. > > When i try to put inside an existing raid a disk which > > belonged to a different 3ware raid if fail. > > Any idea anyone ? > > Two thoughts: > > 1) Maybe test the disk in another machine and see if it's still good > > 2) Maybe wipe the disk clean in another machine with something like: > > dd if=/dev/zero of=/dev/sdb > > ...but be very careful to get the right disk (IE, you may not > need /dev/sdb, you might need /dev/hdd or a number of other > possibilities). > - > 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 -- Raz Long live the penguin - 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