Re: [zfs-discuss] Re: Re: Re: ZFS consistency guarantee

2007-06-08 Thread Darren Dunham
> >> 1. ZFS atomic operation that commits data. > >> 2. Writes come into the app. > >> 3. The db put in hotbackup mode. > >> 4. Snapshot taken on storage. > >> 5. ZFS atomic operation that commits data. > >> > >> So if i do a snap restore, ZFS might revert to point1, but from the db= > > >> perspe

Re: [zfs-discuss] Re: Re: Re: ZFS consistency guarantee

2007-06-08 Thread Peter Schuller
>> 1. ZFS atomic operation that commits data. >> 2. Writes come into the app. >> 3. The db put in hotbackup mode. >> 4. Snapshot taken on storage. >> 5. ZFS atomic operation that commits data. >> >> So if i do a snap restore, ZFS might revert to point1, but from the db >> perspective, it is inconsi

Re: [zfs-discuss] Re: Re: Re: ZFS consistency guarantee

2007-06-07 Thread Darren Dunham
> Thanks Darren. > let me try to put this in points - > > 1. ZFS atomic operation that commits data. > 2. Writes come into the app. > 3. The db put in hotbackup mode. > 4. Snapshot taken on storage. > 5. ZFS atomic operation that commits data. > > So if i do a snap restore, ZFS might revert to p