On Fri, 15 Sep 2006 14:42:16 +0100, Paul Howarth <paul@xxxxxxxxxxxx> wrote: >> >> Someone told me I would have to rebuild the array with mdadm, but I want > to know if I would loose data doing so. > > You should just be able to re-add sdb1 to the array and it'll rebuild in > the background. No data loss. Thats what I'm seeing right now. Now, the old entry of sdb1 is still in the md0, but with state removed. (output of mdadm -D /dev/md0) Number Major Minor RaidDevice State 0 8 1 0 active sync /dev/sda1 1 0 0 - removed 2 8 17 1 spare rebuilding /dev/sdb1 Is that OK? -- --------------------------------------------------------- Lic. Martín Marqués | SELECT 'mmarques' || Centro de Telemática | '@' || 'unl.edu.ar'; Universidad Nacional | DBA, Programador, del Litoral | Administrador ---------------------------------------------------------