From: Ming Z. <mi...@el...> - 2006-03-17 17:14:04
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On Fri, 2006-03-17 at 10:08 -0700, Bryan Scott wrote: > We have 20+ Windows desktops with 100Mbit ethernet cards in them. A > couple have GE NICs in them, for which we bought a 3550-12T (12 copper > GE ports). That is plugged into a Cisco 6509 with a 48 port GE blade. > The initiator is plugged into that, as is another 3550 with two GE ports > on it. The target is on the second of those GE ports. > > -> = FE (100Mbit) > => = GE (1000Mbit copper) > -fec-> = fast ether channel (3x100) > > Older clients -> HP4000M -fec-> 3550-12 => 6509 => Initiator > Two new clients => 3550-12 => 6509 => Initiator > > Initiator => 6509 => 3550-24 => Target (backup mirror) > > The real lack of speed is from the end-users' hard drives. > > Earlier when I tried to backup too many machines, I got a lot of kernel > panics on the Initiator. After some kernel upgrades and iscsi software ini or target? u also have linux client here? > upgrades, those seem to have subsided (but still happen once every > couple of months instead of once every 5 days). I may have to up the > number of jobs running at a time (I'm using bacula for those who care). > > -- Bryan > > Ming Zhang wrote: > > u need to raise some money to buy a Gb NIC or switch. :P > > > > ming > > > > On Fri, 2006-03-17 at 09:47 -0700, Bryan Scott wrote: > > > >>Tried the async trick in fileio.c. > >> > >>Of course, since the machines I'm backing up are on 100Mbps Ethernet, > >>and I'm only backing two or three up at a time, the five minute average > >>is currently at 156Mbps. :) > >> > >>I'll have to do some testing when the machines aren't busy. > >> > >>-- Bryan > >> > >>Bryan Scott wrote: > >> > >>>>if u do that async trick, (do not blame me if u lose data, and buy a UPS > >>>>from APC, asking them to give me some bonus back. ;) ), u should get > >>>>500-600 Mbps. i feel. > >>> > >>> > >>>To what async trick are you referring? > >>> > >>>The servers are on a pretty big battery backup system (-48v telco > >>>battery system with 24 2 volt batteries and 3 50A chargers > >>> > >>>-- Bryan > >>> > >>> > >>>------------------------------------------------------- > >>>This SF.Net email is sponsored by xPML, a groundbreaking scripting language > >>>that extends applications into web and mobile media. Attend the live > >>>webcast > >>>and join the prime developer group breaking into this new coding territory! > >>>http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 > >>>_______________________________________________ > >>>Iscsitarget-devel mailing list > >>>Isc...@li... > >>>https://lists.sourceforge.net/lists/listinfo/iscsitarget-devel > >> > >> > >>------------------------------------------------------- > >>This SF.Net email is sponsored by xPML, a groundbreaking scripting language > >>that extends applications into web and mobile media. Attend the live webcast > >>and join the prime developer group breaking into this new coding territory! > >>http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 > >>_______________________________________________ > >>Iscsitarget-devel mailing list > >>Isc...@li... > >>https://lists.sourceforge.net/lists/listinfo/iscsitarget-devel > > > > > > > > > > ------------------------------------------------------- > > This SF.Net email is sponsored by xPML, a groundbreaking scripting language > > that extends applications into web and mobile media. Attend the live webcast > > and join the prime developer group breaking into this new coding territory! > > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 > > _______________________________________________ > > Iscsitarget-devel mailing list > > Isc...@li... > > https://lists.sourceforge.net/lists/listinfo/iscsitarget-devel > > > ------------------------------------------------------- > This SF.Net email is sponsored by xPML, a groundbreaking scripting language > that extends applications into web and mobile media. Attend the live webcast > and join the prime developer group breaking into this new coding territory! > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 > _______________________________________________ > Iscsitarget-devel mailing list > Isc...@li... > https://lists.sourceforge.net/lists/listinfo/iscsitarget-devel |