On Sat, 19 Dec 2009 13:09:03 +0100 Jakob-Tobias Winter <jakob-tobias.winter@xxxxxxxx> wrote: > Hey there, > > my raidsets are still using 0.91 and I might want to upgrade to the > newer metadata. - The system is running kernel 2.6.32.1 x86_64 with > mdadm v3.0.3. 0.91 is only used during a reshape - e.g. adding a device to a RAID5. Once the reshape completes it will revert to 0.90. > > Are there benefits to upgrading or should I stay with my current > metadata version? You cannot upgrade the metadata on an array. You can only create a new array with new metadata. If you create a new array with current mdadm you will get v1.1 metadata. If what you have works, there is no need to change it. 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