[DRBD-user] blocking I/O with drbd

Felix Frank ff at mpexnet.de
Fri Dec 16 18:26:37 CET 2011

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Hi,

On 12/16/2011 03:48 PM, Volker wrote:
> Now, how do i "debug" sync? :-)

your writes are being delayed. What "bug" are you trying to find?

These are the things I would look at:

What does top have to say about CPU utilization (iowait)?
Is the network link congested?
How is the RTT developing?

HTH,
Felix



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