Hi Harry. Are you the person I worked with at UCI a bit? Anyway, you might consider trying mrsync; it's intended to do rsync over multicast.
HTH. On Fri, Mar 26, 2021 at 12:22 PM Harry Mangalam via rsync < rsync@lists.samba.org> wrote: > Spent an hour trying to find the answer to this on the various SO, SF, > other usual suspects, but have failed. > > I'm trying to improve a parallel rsync wrapper called parsyncfp (pfp) in > response to a user request. He wants rsync to emit data on multiple > interfaces (one interface per rsync instance). From the man page it seems > like the '--address' option would do that and in fact using it as such does > not result in an error, but it also does not result in both interfaces > being used, either from pfp or when launched directly from different shells. > > My route (working from home) shows the 2 wlan interfaces up with > different IP #s: > wlp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 > inet 192.168.1.223 netmask 255.255.255.0 broadcast 192.168.1.255 > ... > > wlx9cefd5fb0bb5: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 > inet 192.168.1.186 netmask 255.255.255.0 broadcast 192.168.1.255 > ... > and route shows: > $ route > > Kernel IP routing table > Destination Gateway Genmask Flags Metric Ref Use > Iface > default router.asus.com 0.0.0.0 UG 601 0 0 > wlx9cefd5fb0bb5 > default router.asus.com 0.0.0.0 UG 602 0 0 > wlp3s0 > link-local 0.0.0.0 255.255.0.0 U 1000 0 0 > wlp3s0 > 192.168.1.0 0.0.0.0 255.255.255.0 U 601 0 0 > wlx9cefd5fb0bb5 > 192.168.1.0 0.0.0.0 255.255.255.0 U 602 0 0 > wlp3s0 > > and while the arp results from the rsyncing machine look OK: > $ arp -n > > Address HWtype HWaddress Flags Mask > Iface > 192.168.1.107 ether 90:73:5a:f1:23:ee C > wlx9cefd5fb0bb5 > 192.168.1.107 ether 90:73:5a:f1:23:ee C > wlp3s0 > 192.168.1.1 ether 74:d0:2b:5e:32:40 C > wlp3s0 > 192.168.1.139 ether d8:31:34:64:bc:f0 C > wlp3s0 > 192.168.1.139 ether d8:31:34:64:bc:f0 C > wlx9cefd5fb0bb5 > 192.168.1.198 ether 94:94:26:08:b2:4e C > wlx9cefd5fb0bb5 > 192.168.1.1 ether 74:d0:2b:5e:32:40 C > wlx9cefd5fb0bb5 > > > the arp table from another machine on the same net show this: > $ arp -n > Address HWtype HWaddress Flags Mask > Iface > 192.168.1.203 ether b0:68:e6:3d:58:a7 C > wlp3s0 > 192.168.1.107 ether 90:73:5a:f1:23:ee C > wlp3s0 > 192.168.1.186 ether 9c:ef:d5:fb:0b:b5 C > wlp3s0 > 192.168.1.1 ether 74:d0:2b:5e:32:40 C > wlp3s0 > 192.168.1.223 ether 9c:ef:d5:fb:0b:b5 C > wlp3s0 > > and the rsync machine is the .186 and .223 above, indicating that the 2 > interfaces are regarded as the same MAC. > > The alternating rsync commands generated from pfp are: > rsync --address=192.168.1.223 --bwlimit=1000000 -a -s > --log-file=/home/hjm/.parsyncfp/rsync-logfile-14.34.52_2021-03-25_16 > --files-from=/home/hjm/.parsyncfp/fpcache/f.16 '/home/hjm' > bridgit:/home/hjm/test > > and > > rsync --address=192.168.1.186 --bwlimit=1000000 -a -s > --log-file=/home/hjm/.parsyncfp/rsync-logfile-14.34.52_2021-03-25_17 > --files-from=/home/hjm/.parsyncfp/fpcache/f.17 '/home/hjm' > bridgit:/home/hjm/test > > But the byte streams show only data flowing on one. This is the case > whether the rsyncs are started from parsyncfp or via separate rsyncs > started from separate shells. > Before I go further down the rabbit hole and start messing with ARP tables > and network namespaces, was this the intent of the option or am I > misunderstanding it? > On the server side, the --address option seems to be used to bind the > responding IP# and while I haven't tried that, that seems to be > straightforward (but not useful for me). > > thanks in advance for such a magical program > Harry > -- > > Harry Mangalam > -- > Please use reply-all for most replies to avoid omitting the mailing list. > To unsubscribe or change options: > https://lists.samba.org/mailman/listinfo/rsync > Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html >
-- Please use reply-all for most replies to avoid omitting the mailing list. To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html
