Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 thus Digimer spake: > On 01/06/2011 03:27 AM, Felix Frank wrote: >>> In any case, be sure to have (at least) RAID 1 on each node backing the >>> DRBD devices to help minimize downtime. Drives fail fairly frequently... >>> software RAID 1 is an inexpensive route to much better uptime. :) >> If the budget isn't severely restricted, I'd also throw in an actual >> RAID controller, software RAID being an unnecessary pain. >> >> Cheers, >> Felix > > If I may provide a counter-point arguing in favour of software RAID; > > With hardware RAID, you array and your data is bound to that controller. > Should the controller fail at some point, you will find yourself > scrambling trying to find a compatible controller, and you will be down > until you do (shy of falling back to recovering from backup). I had this > happen to me enough that I now won't use hardware RAID unless it's for > performance (or similar) reasons the make software RAID unfeasible. > > With software RAID, you have a familiar set of tools (mdadm) that many > people can help you with. More importantly though, you can move your > array to almost any other machine and get it up and running again with > relatively little effort, potentially dramatically reducing your mean > time to recovery. I may add that in most cases management as well as performance monitoring of a software will run like a charm compared to most solutions and tools vendors offer - regardless of what OS you use. > Cheers! Best, Timo -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQFNJc0Zfg746kcGBOwRAtu4AKCoRu5Jm0W33QtEkp/NbJCajC+mYQCeOkxK ElLKAyKi1syW4qYjYG87PEk= =lq/h -----END PGP SIGNATURE-----