On Wed, Aug 13, 2008 at 10:04:14AM +0900, Toru Nishimura wrote: > | Deny read/write access to snapshot vnodes. We use fss(4) to read from > | snapshots. With this policy in place: > > I have quick Qs for quick answers; > > Q-1. Is this filesys snapshoting compatible with WAPBL filesys? Not yet, it's being worked on, and this commit looks like a step towards that. > Q-2. Is ffs(4) capable of "filesys checkpointing" for ultra fast recovery > and/or "live backuping" ? Yes, that's what fss(4) snapshots are for. In particular, they're good for use via dump -X for backups. -- Dan.
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