Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 6 January 2013 12:27, James Harper <james.harper at bendigoit.com.au> wrote: >> >> Hi All, >> >> I'm running DRBD from Debian Squeeze (Version: 8.3.7 (api:88)) >> >> I'm having a strange issue where if I do a write on the primary I'm >> getting the full speed of the BBU cached RAID card: >> >> >> dd if=/dev/zero of=/test/test121212 bs=1M count=1000 >> 1000+0 records in >> 1000+0 records out >> 1048576000 bytes (1.0 GB) copied, 1.16411 s, 901 MB/s >> > > How sure are you that the primary is being written to immediately and that Linux isn't just being lazy about writing the data at all? > > Try oflag=direct to make sure there is no buffering on the primary. > > James > James, Of course you were correct, apologies, its the simple things! Brian