On Tue, Aug 31, 2010 at 08:55:47AM -0700, Gordon Messmer wrote: > On 08/31/2010 06:44 AM, fred smith wrote: > > > > there are only two drives in this mirrored array, sda and sdb. if I need > > to re-add them both (which, if I understand mdadm correctly, is what your > > suggestion above would do) how does it know which one is the correct one > > to re-sync the array with? > > None of the commands I suggested mentioned sdb, so I'm not sure why > you'd get that impression. Maybe due to lack of caffeine... > > Your kernel logged that it was removing sda2 and sda1 from the array > because they are not in sync (non-fresh). /proc/mdstat indicates that > sdb1 and sdb2 are components of arrays, but sda1 and sda2 are not. > > Most importantly, the "mdmonitor" service should have emailed the root > user to notify you that your arrays are broken. You should find out why > you aren't getting that email. actually, root got it, but I'm rather lax about checking root's email. I've changed /etc/mdadm.conf to send it to user fredex in the future. thanks for your assistance! -- ---- Fred Smith -- fredex at fcshome.stoneham.ma.us ----------------------------- "For the word of God is living and active. Sharper than any double-edged sword, it penetrates even to dividing soul and spirit, joints and marrow; it judges the thoughts and attitudes of the heart." ---------------------------- Hebrews 4:12 (niv) ------------------------------