Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Wed, 13 Nov 2013 07:29:13 +0100 ml ml wrote: > Hello List, > > i have a simple 2 Node Setup. They are directly connected. We are now > planning to implement SSD Disks. > > I now have the fear that the gigabit link between the two hosts will > become a bottle neck. > It would be even with "normal" disks, certainly so if you have more than one (RAID). > > Do you think bonding or tcp multipath will increase this? What would you > recommend? > A google search finds the section of the DRBD user guide first, and funnily enough a thread with some morsels of wisdom by yours truly as well: http://lists.linbit.com/pipermail/drbd-user/2010-October/014858.html > Some mix between performance and redundancy is the goal. > > Has someone got real life production experience here? > Search and you will find many examples in the list archives and elsewhere. Up to about 200MB/s replication speed and with a small budget, bonded (directly connected) GbE links are fine. Once you need speeds over 250MB/s and/or fast I/O (transactions) I would recommend directly connected Infiniband. Regards, Christian -- Christian Balzer Network/Systems Engineer chibi at gol.com Global OnLine Japan/Fusion Communications http://www.gol.com/