Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
> maybe redo that with record size 4K, which will give the average latency > for single blocks, so a good estimate for a round trip time. > iozone -i0 -s 4M -r 4k -Q [-o -e -c] > the same with large record size (-r 1M) does not say too much, > just by comparing, one can see that linear streaming will do much > better than wait for the commit of every single block... > > my hope for proto A would be that latency is near the unconnected values, > which should be virtually identical to the values without drbd. > drbd connected bernd at pc-lenz test>../test1 N: 1024 min: 1380 avg: 2167 max: 211582 N: 1024 min: 1543 avg: 2119 max: 39924 drbd disconnected: N: 1024 min: 1325 avg: 1738 max: 40091 N: 1024 min: 1514 avg: 2024 max: 15164 ('iozone -s 4m -r 4k -i0 -o -c -e -Q' in both cases and in a nfs-mounted directory) Cheers, Bernd