Jose Fonseca <[EMAIL PROTECTED]> writes: > On Sun, 28 May 2006 13:00:19 +0200, Jean-Luc Coulon (f5ibh) wrote: > >> Hi, >> >> I've a system with a software raid1 on 2 sata drive 80 GB >> I've all my system on LVM on this underlying raid. >> >> For performances reasons (video editing), I'm thinking if a RAID5. >> >> Is there somebody with some experience with raid5: >> - performances >> - behaviour in case of a crash >> >> Is there an easy process to migrate from raid1 to raid5 without >> reinstalling everything? >> >> Regards >> >> Jean-Luc > > I managed to switch from a 2x200Gb RAID-0 to a 3x200Gb RAID-5 without > reinstalling using raidreconf <http://unthought.net/raidreconf/> on my > AMD64. > > I'm still amazed it work flawlessly, as latest raidreconf dates from 2001! > Obviously I backed-up everything before, but I didn't need used it. > > Although I ran in a Amd64, I compiled raidreconf as a 32-bit application, > since I was afraid it wasn't 64-bit clean. > > Then it's a matter of writing two raidtabs -- one describing the > current raid setup, and another describing the desired setup -- and run > raidreconf. > > José Fonseca
Recent kernels and mdadm have support for rebuilding a raid now. Better to use that where possible. MfG Goswin -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]