Cesar Kawar wrote at about 14:39:58 +0200 on Sunday, April 10, 2011:
 > 
 > El 10/04/2011, a las 12:19, hansbkk AT gmail DOT com escribió:
 > 
 > > On Sun, Apr 10, 2011 at 12:16 PM, Les Mikesell <lesmikesell AT gmail DOT 
 > > com> wrote:
 > >> I've never heard of raid sync affecting the original disk(s).  I've been 
 > >> doing
 > >> it for years, first with a set of firewire external drives (which also 
 > >> had USB
 > >> but it was slower), then the sata bays.  There might be problems in 
 > >> adding more
 > >> members than originally created in the set, though.  In your situation I 
 > >> would
 > > <snip>
 > > 
 > > FYI for all, not doubting Les' good experience doing this  (using
 > > mdraid mirroring as a user-land tool to mirror a partition to an
 > > external drive for offsite backup rotation):
 > > 
 > > I had a pretty extensive discussion with the Linux-RAID list on
 > > thisand the general conclution was that the way mdraid does the
 > > mirroring would just add unnecessary kruft to the resulting filesystem
 > > and make recovery more difficult.
 > > 
 > > The bottom line from them was that rather than using RAID to do the
 > > mirroring to a removable drive, better to just use a tool like DD.
 > > When I expressed that I wanted a bit more assurance of a "bit-perfect"
 > > mirror being done, and was directed to these enhanced versions:
 > > 
 > > http://dc3dd.sourceforge.net/
 > > http://www.forensicswiki.org/wiki/Dc3dd
 > > 
 > > Of course there are many COTS "partition cloning" tools out there as
 > > well if that's a better fit for a given situation.
 > 
 > Hi all:
 > 
 > After many years looking for some work around to the pool replication 
 > problem without success, why not start a new pool design that could be 
 > replicated?
 > Something based on MySQL?
 > 
 > It should'n be that hard replacing the routings that manage hardlink 
 > creation and the like with sql queries. It could even have all the ACLs of 
 > the files and directories stored on MySQL.

This has been discussed, suggested, and argued many times.... see the
archives.

The bottom line is that Craig's upcoming ver 4.0 doesn't use hard
links and uses attrib-like files as a distributed database.

------------------------------------------------------------------------------
Xperia(TM) PLAY
It's a major breakthrough. An authentic gaming
smartphone on the nation's most reliable network.
And it wants your games.
http://p.sf.net/sfu/verizon-sfdev
_______________________________________________
BackupPC-users mailing list
BackupPC-users AT lists.sourceforge DOT net
List:    https://lists.sourceforge.net/lists/listinfo/backuppc-users
Wiki:    http://backuppc.wiki.sourceforge.net
Project: http://backuppc.sourceforge.net/