Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 21/10/15 03:57 PM, Christian Völker wrote: > Hi all, > > just a simple question for my own curiosity. > > Assume a two node master-slave setup. Disk on the master fails. All > reads and writes go through the slave (master remains primary). > > Now the disk on the primary is replaced and the full sync is started. > > Now let's say the sync is at 40% and a write occurs which fits into the > not yet synced 60% of the disk. > > Ist the block now written in parallel to both nodes and marked on the > primary as "already synced" or does the write affect only the slave and > during the remaining sync the block is copied back to the primary? > > Just curious.... > > Thanks! > > Chrischan Once connected, all new writes are synchronous, yes. Out of sync blocks replicate at the resync rate. This is why setting a high resync rate will slow down applications writing to DRBD because the bandwidth available for new writes is total capacity minus capacity used by resync. -- Digimer Papers and Projects: https://alteeve.ca/w/ What if the cure for cancer is trapped in the mind of a person without access to education?