Re: Is mdadm --create safe for existing arrays ?

2006-08-16 Thread Mike Hardy
Warning: I'm not certain this info is correct (I test on fake loopback arrays before taking my own advice - be warned). More authoritative folks are more than welcome to correct me or disagree. create is safe on existing arrays in general, so long as you get the old device order correct in the

Re: Is mdadm --create safe for existing arrays ?

2006-08-16 Thread dean gaudet
On Wed, 16 Aug 2006, Peter Greis wrote: So, how do I change / and /boot to make the super blocks persistent ? Is it safe to run mdadm --create /dev/md0 --raid-devices=2 --level=1 /dev/sda1 /dev/sdb1 without loosing any data ? boot a rescue disk shrink the filesystems by a few MB to