Yes, you would get around it. But the main point of the superblock (i.e. disk membership/status/array uuid) is to be able to identify the disks in an array if devices allocation changes. There must be a *safe* way of identifying the devices. - Ionut ----- Original Message ----- From: "Paul Clements" <Paul.Clements@SteelEye.com> To: "Ionut Nistor" <ionut@modulo.ro> Cc: <linux-raid@vger.kernel.org> Sent: Wednesday, June 11, 2003 7:27 PM Subject: Re: Multipath problem in a SAN enviromnent > Ionut Nistor wrote: > > > So scsi1, bus0, target0, lun2 is now 8,16 instead of 8,32 > > > > However, the raid superblock still has 8,32 in it - this confuses > > multipath > > One way to get around this problem is to use non-persistent superblocks > for your arrays and just re-create them at bootup time by calling mkraid > (or mdadm) after you've correctly identified (using WWID or similar) > which devices belong to each particular raid set. > > -- > Paul > - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html