Thanks for all the help. Can the moving over from VLAN to separate switches be done on a live cluster? Or does there need to be a down time?
-Sreenath On 11/26/14, Kyle Bader <kyle.ba...@gmail.com> wrote: >> For a large network (say 100 servers and 2500 disks), are there any >> strong advantages to using separate switch and physical network >> instead of VLAN? > > Physical isolation will ensure that congestion on one does not affect > the other. On the flip side, asymmetric network failures tend to be > more difficult to troubleshoot eg. backend failure with functional > front end. That said, in a pinch you can switch to using the front end > network for both until you can repair the backend. > >> Also, how difficult it would be to switch from a VLAN to using >> separate switches later? > > Should be relatively straight forward. Simply configure the > VLAN/subnets on the new physical switches and move links over one by > one. Once all the links are moved over you can remove the VLAN and > subnets that are now on the new kit from the original hardware. > > -- > > Kyle > _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
