A question we see over and over again is
Why is
umountso slow? Why does it take so long?
Part of the answer was already given in an earlier blog post; here’s some more explanation. Continue reading
“umount is too slow”
Reply
Tag Archives: sync
DRBD 8.4.3: faster than ever
For the people who don’t already have DRBD 8.4.3 deployed: here’s another good reason — Performance. Continue reading
Trust, but verify
DRBD tries to ensure data integrity across different computers, and it’s quite good at it.
But, as per the old saying Trust, But Verify1 it might be a good idea to periodically test whether the nodes really have identical data, similar to the checks that are2 done for RAID sets. Continue reading
DRBD and the sync rate controller (8.3.9 and above)
The sync-rate controller is used for controlling the used bandwidth during resynchronization (not normal replication); it runs in the SyncTarget state, ie. on the (inconsistent) receiver side. Continue reading