On Sun, Sep 09, 2007 at 09:31:54PM -1000, J. David Beutel wrote: > [root@samue ~]# mdadm --grow /dev/md5 -n2 > mdadm: Cannot set device size/shape for /dev/md5: Device or resource busy > > mdadm - v1.6.0 - 4 June 2004 > Linux 2.6.12-1.1381_FC3 #1 Fri Oct 21 03:46:55 EDT 2005 i686 athlon i386 > GNU/Linux I'm not sure that such an old kernel supports reshaping an array. The mdadm version should not be a problem, as that message is probably generated by the kernel. I'd recommend trying to boot with a newer kernel, even if only for the duration of the reshape. regards, iustin - 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