Hi, On Sun, 06 Oct 2013 18:54:12 +0200 Bram Matthys <[email protected]> wrote: > I'm currently testing DRBD and am having write performance problems. > On the local raid array I achieve 124MB/s, but with DRBD I get only > 41MB/s out of it, or if the secondary node is down (to rule out > network issues) then 53MB/s at best. > Tried protocol A / B / C, with and without no-disk-barriers and > no-disk-flushes, but this didn't change much (only +/- 2MB/s > difference). <snip>
Yep, internal meta-disk: write block, seek to end, write log, seek to front, write block, seek to end, write log... Put the meta-disk on a different hd and watch your write rate go up. - Arnold
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