On Sun Apr 24 13:37:08 EDT 2011, j...@jfloren.net wrote: > On Sun, Apr 24, 2011 at 9:10 AM, erik quanstrom <quans...@quanstro.net> wrote: > > both have a weak spot. > > kfs. there's one copy of the file system. if you corrupt it, you're out of > > luck. i've never seen this happen. > > > > cwfs. if the fs is halted during the dump, there is a non-zero chance > > of corruption. i have seen this, but "recover main" can usually roll the > > fs back to the last good dump. the same mechanism can recover a fs > > if an untimely shutdown has corrupted the cache. > > > > The other day I managed to fill up a cwfs fscache, making it > impossible to dump or boot the machine. Is it possible to recover from > this state?
recover main should flush the cache, but that's probablly not what you want. if you're not using the fast-cache option, just make the cache device bigger. this is a bug and should be fixed or mitigated. - erik
