Re: [BackupPC-users] When do files get re-transferred?

2011-12-23 Thread hansbkk
On Sat, Dec 24, 2011 at 9:34 AM, Les Mikesell wrote: >> Thanks Les. So my snip above does hold when trying to conserve >> bandwidth (say over a WAN), but at the potential cost of increasing >> the time the backup session requires. In a high-speed local >> environment, processing time can be reduce

Re: [BackupPC-users] When do files get re-transferred?

2011-12-23 Thread Les Mikesell
On Fri, Dec 23, 2011 at 7:52 PM, wrote: > >> The distinction is between the contents of the file and the directory >> entries pointing to it.   The contents of hardlinked files are all the >> same, but rsync doesn't know anything about the hashed filenames for >> the pool links.   It strictly fol

Re: [BackupPC-users] When do files get re-transferred?

2011-12-23 Thread hansbkk
On Sat, Dec 24, 2011 at 8:20 AM, Les Mikesell wrote: > On Fri, Dec 23, 2011 at 6:03 PM,   wrote: >> it only makes sense to compare to the newest one, since in BPCs storage >> model there isn't any benefit to distinguish between "incremental" vs >> "differential" sets. > The distinction is bet

Re: [BackupPC-users] When do files get re-transferred?

2011-12-23 Thread Les Mikesell
On Fri, Dec 23, 2011 at 6:03 PM, wrote: > On Sat, Dec 24, 2011 at 5:35 AM, Arnold Krille wrote: >> Well, actually the comparison is done against the last backup of a lower >> level. > > Actually actually from my understanding their isn't any difference > at all in BackupPC's filesystem between

Re: [BackupPC-users] When do files get re-transferred?

2011-12-23 Thread hansbkk
On Sat, Dec 24, 2011 at 5:35 AM, Arnold Krille wrote: > Well, actually the comparison is done against the last backup of a lower > level. Actually actually from my understanding their isn't any difference at all in BackupPC's filesystem between the two if it hasn't been modified. In fact you ca

Re: [BackupPC-users] When do files get re-transferred?

2011-12-23 Thread Arnold Krille
On Friday 23 December 2011 17:54:40 Les Mikesell wrote: > On Fri, Dec 23, 2011 at 5:09 AM, Rahul Amaram wrote: > > Hi, > > I have a query about file transfer while taking backups. I understand > > that backuppc uses de-duplication i.e. only a single copy of the file is > > stored even if multiple

Re: [BackupPC-users] When do files get re-transferred?

2011-12-23 Thread Les Mikesell
On Fri, Dec 23, 2011 at 5:09 AM, Rahul Amaram wrote: > Hi, > I have a query about file transfer while taking backups. I understand > that backuppc uses de-duplication i.e. only a single copy of the file is > stored even if multiple copies of it exist on different machines. > However, what I would

[BackupPC-users] When do files get re-transferred?

2011-12-23 Thread Rahul Amaram
Hi, I have a query about file transfer while taking backups. I understand that backuppc uses de-duplication i.e. only a single copy of the file is stored even if multiple copies of it exist on different machines. However, what I would like to know is when a file is transferred after being backe