If all of your backups are from Box A to Box B, then both will need to be trunked for there to be any benefits in throughput.
However, if there are multiple concurrent backups at play from multiple sources, then trunking on the backup device will still provide for more throughput than a single network connection. Of course, as Kevin points out, there are several other factors to consider in a backup scenario. *ASB **http://XeeMe.com/AndrewBaker* <http://xeeme.com/AndrewBaker>* **Providing Virtual CIO Services (IT Operations & Information Security) for the SMB market…*** On Wed, Apr 10, 2013 at 10:58 AM, Bourque Daniel < [email protected]> wrote: > ** > Not necessarily, don't mix capacity with speed. A 2 link Port-Channel is > still 2 x 1 Gbs link. If the backup is between only 2 IP (not multiplexing > backup from multiple sources), the Port-Channel algorithm will still give > you only 1 Gbs per IP pairs or port pair, etc. You have to check the > load-balancing option of the Port-Channel in your system. There is > multiple algorithm available to load-balance in the Port-Channel. You have > to chose the correct one for your system. > > > > ------------------------------ > *De :* Andrew S. Baker [mailto:[email protected]] > *Envoyé :* 10 avril 2013 10:27 > *À :* NT System Admin Issues > *Objet :* Re: Datadomain / Exagrid - Backup Times over Cat5 > > A two-port trunk will reduce that significantly, of course... > > > > > > *ASB > **http://XeeMe.com/AndrewBaker* <http://xeeme.com/AndrewBaker>* > **Providing Virtual CIO Services (IT Operations & Information Security) > for the SMB market.*** > > > > > > On Wed, Apr 10, 2013 at 9:52 AM, Jon D <[email protected]> wrote: > >> True. I'm trying to backup ~4TB in under 12 hours. 8 hours would be >> nice... >> I think a single 1Gig Cat5 cable is going to get me around 23 hours at >> around 850Mbps >> >> >> >> >> >> On Tue, Apr 9, 2013 at 11:47 PM, Ben Scott <[email protected]> wrote: >> >>> On Tue, Apr 9, 2013 at 10:55 AM, Jon D <[email protected]> wrote: >>> > I'm trying to wrap my head around the speed of backup appliances like >>> Data >>> > Domain and Exagrid. >>> > The thing that doesn't make sense to me is the backups are going across >>> > Cat5. >>> > It seems like they would be really slow for a full backup. >>> >>> That depends how fast the network you're running is, and how much >>> data you've got to worry about, and maybe other things. >>> >>> Gigabit Ethernet can stream 125,000,000 8-bit quantities per second. >>> Framing and protocol overhead rob significantly from that. Let's >>> assume 75% efficiency, just to have a number. That's 93 megabytes per >>> second, or 337 gigabytes in one hour. If you're only backing up a >>> terabyte, that might be just fine. If you're backing up a petabyte, >>> not so much. >>> >>> -- Ben >>> >>> ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ >>> ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ >>> >>> --- >>> To manage subscriptions click here: >>> http://lyris.sunbelt-software.com/read/my_forums/ >>> or send an email to [email protected] >>> with the body: unsubscribe ntsysadmin >>> >> >> ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ >> ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ >> >> --- >> To manage subscriptions click here: >> http://lyris.sunbelt-software.com/read/my_forums/ >> or send an email to [email protected] >> with the body: unsubscribe ntsysadmin >> > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > > Mise en garde concernant la confidentialité : Le présent message, > comprenant tout fichier qui y est joint, est envoyé à l'intention exclusive > de son destinataire; il est de nature confidentielle et peut constituer une > information protégée par le secret professionnel. 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Thank you! > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
