Re: CVS commit: src/sys

["Toru Nishimura" <locore64%alkyltechnology.com@localhost>]

| Module Name:    src
| Committed By:   hannken
| Date:           Tue Aug 12 10:14:38 UTC 2008
|
| Modified Files:
|        src/sys/dev: fss.c
|        src/sys/ufs/ffs: ffs_extern.h ffs_snapshot.c ffs_vnops.c
|        src/sys/ufs/ufs: ufs_readwrite.c ufs_vnops.c
|
| Log Message:
| 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?
Q-2. Is ffs(4) capable of "filesys checkpointing" for ultra fast recovery
and/or "live backuping" ?

Toru Nishimura / ALKYL Technology