On 1 June 2012 17:11, Manolis Tzanidakis <mtzanida...@gmail.com> wrote: > On Fri (01/06/12), Eugene Yunak wrote: >> On 1 June 2012 13:49, Manolis Tzanidakis <mtzanida...@gmail.com> wrote: >> > A raid on USB devices is not a good idea for a whole lot of other >> > reasons though. >> >> Oh you are obviously such a seasoned OpenBSD expert, please tell us >> more about your USB RAID experience and why it is a bad idea. > > The most obvious is that NAND flash devices have shorter lifespan than > hard disks. Imagine wearing out both devices simultaneously with the > RAID-1. > I think it's better to have a USB stick for /, /usr and dump&restore or > rsync it to the 2nd stick for redundancy. You should repeat this on > updates. You should keep /var, /usr/{obj,ports,src}, /home and any other > fs with frequent writes on the hard disks to extend the life of the USB > stick. >
Thank you for sharing your wisdom, now i know what i *should do*, you made it pretty clear. Have you considered three-way mirror? What do you think about mounting filesystems read-only? Have you heard of NFS and remote syslog? I'm sure you will grant us the mercy of knowing why all these are not a good idea. >> It would be great if you could also go into deeper detail about / on >> softraid - you must be the first one to mention it here on misc and >> i'm sure everyone reading this is eager to learn how to make it work. > > I guess Stuart covered this on this thread. You should also read this: > http://undeadly.org/cgi?action=article&sid=20111002154251 > Oh yes Stuart knows what he's talking about.