I ended up getting a new router with more static slots... Kris Lou wrote at about 11:47:57 -0700 on Thursday, August 8, 2013: > Question for Jeff: > > I know this is an old thread (and still in my archives!), but I'm wondering > if this worked for you? > > I have a similar situation - I have a laptop that needs to be backed up. I > currently have it configured for wired backups, but the user more often > uses wifi (DMZ) and then VPN's into the network. If the symlink method > works out, I can issue a static IP via the VPN. > > Thanks, > > -Kris > > > Kris Lou > [email protected] > > > On Mon, Jan 16, 2012 at 3:44 PM, Jeffrey J. Kosowsky > <[email protected]>wrote: > > > Jeffrey J. Kosowsky wrote at about 17:00:45 -0500 on Monday, January 16, > > 2012: > > > The laptops I back up have both a wired and wireless Ethernet > > > connection with (different) MAC addresses. > > > > > > I use static DNS so that when the laptops are attached at home they > > > are given a fixed (known) IP address so that BackupPC can find them > > > using my /etc/hosts file. > > > > > > On my old D-Link router, I used to assign the same static DNS address > > > to both MAC addresses so that no matter which connection was used, I > > > had the same fixed IP address. > > > > > > The problem is that my new Verizon router does not allow the same IP > > > address to be correlated with different MAC addresses. > > > > > > So now it seems that I can only match the laptop name (used by > > > BackupPC) against only one of the IP addresses so that it will only > > > get backed up on one of the two interfaces? > > > > > > Is there any simple way to overcome this problem? > > > > > > For example would it be possible to match 2 IP/names addresses against > > > the same host backup so that if one fails then it tries the other? > > > (this is in a sense the opposite of ClientNameAlias that allows you to > > > map multiple hosts to one IP address) > > > > > > > Just was thinking that the following simple hack should probably > > work... > > > > 1. Set up two different static IPs, one for each network interface. > > 2. Enter both IPs (or equivalent names as defined in /etc/hosts) in > > the BackupPC/hosts file -- call them 'hostA' and 'hostB' > > 3. Create a *symlink* from TopDir/pc/hostB to TopDir/pc/hostA > > > > Then whenever the *common* backup host ages, BackupPC will launch a > > new backup -- either hostA or hostB depending on which NIC is > > currently active (note: I am assuming that only one interface is > > active at a time). That way if one IP addressdidn't back up then the > > other would back up in place using the same history of numbered full > > and incremental backups. Once either backup completed then both hosts > > would look updated since they both point to the same common pc host > > subdirectory of backups. Note that the host name doesn't appear at all > > except as the name of the top level directory in the pc tree, so it > > makes no difference whether the backup is initiated as hostA or > > hostB. > > > > The only potential issue would be collisions but even that typically > > shouldn't > > happen since I assume that only one IP address is ever active at one > > time. Potentially there might be issues if the user switched interfaces in > > the middle of a backup before the first version complete or timed out > > but hopefully the new backup would catch the other as a partial backup > > and either continue from there or erase it... still I imagine there > > could be weird edge cases though they would only occur if you switched > > network interfaces mid-backup... > > > > > > > > ------------------------------------------------------------------------------ > > Keep Your Developer Skills Current with LearnDevNow! > > The most comprehensive online learning library for Microsoft developers > > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > > Metro Style Apps, more. Free future releases when you subscribe now! > > http://p.sf.net/sfu/learndevnow-d2d > > _______________________________________________ > > BackupPC-users mailing list > > [email protected] > > List: https://lists.sourceforge.net/lists/listinfo/backuppc-users > > Wiki: http://backuppc.wiki.sourceforge.net > > Project: http://backuppc.sourceforge.net/ > > > ------------------------------------------------------------------------------ > Get 100% visibility into Java/.NET code with AppDynamics Lite! > It's a free troubleshooting tool designed for production. > Get down to code-level detail for bottlenecks, with <2% overhead. > Download for free and get started troubleshooting in minutes. > http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk > _______________________________________________ > BackupPC-users mailing list > [email protected] > List: https://lists.sourceforge.net/lists/listinfo/backuppc-users > Wiki: http://backuppc.wiki.sourceforge.net > Project: http://backuppc.sourceforge.net/
------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite! It's a free troubleshooting tool designed for production. Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk _______________________________________________ BackupPC-users mailing list [email protected] List: https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki: http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
