Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hi again, I think at least part of my performance problem is that my al-extents is set to 601 and the testing is writing out a file that is 8GB, which means lots of metadata writes. I want to set the al-extents to a much larger value on the live setup, but I can't find any information anywhere that says if you can or cannot do this without restarting everything... I've tried "drbdsetup /dev/drbd0 syncer --al-extents 3833" on my test setup and it doesn't appear to break anything - in fact DRBD keeps running fine even if I only set it on one node! What are the ramifications of changing the al-extents on a live DRBD setup, and why can I change it on one node and not the other (unless the node I set it on communicates the setting to the other node...) -- Regards, Oliver Hookins