Robert Watson said: > > On Sat, 5 Oct 2002, Steven G. Kargl wrote: > > > One other point, the machine was doing a background fsck on /var. Does > > a background fsck go through ffs_snapshot()? > > Yes -- the background file system checker creates a snapshot of the file > system in the un-checked state, then performs the check against the > snapshot. It trickles the changes generated against the snapshot into the > live file system. Because of the conservative nature of failures with > soft updates, the only theoretical inconsistencies relate either to marked > as non-free yet unreferenced resources, and referenece counts that are > high. The snapshot allows fsck a consistent view of the file system "as > it was" so that it doesn't get confused by the live file system. >
Thanks, Brian and Robert. Of course, the above makes sense when someone explains it to you. -- Steve http://troutmask.apl.washington.edu/~kargl/ To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message
