[DRBD-user] timeout

Victor Jason vctrjsn at gmail.com
Tue Aug 4 19:57:03 CEST 2009

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I'm fairly new to DRBD.

I already configures a DRBD pair which works prefectly!

I tried configuring the timeout value (in the net section of the drbd.conf
file)  and it seems like no matter what I do I get a timeout of approx 10
Am I doing something wrong (probably yes)?

Basically what I do is I write to the Primary and in the middle of the IO I
pull the Ethernet cable from the Secondary. I use iostat to monitor the IO
and I see that IO resumes (locally) after 10 seconds.
Reconnecting the cable back to the Secondary initiates the synchronization
(as expected)

Attached is my drbd.conf file.



resource mydb {
  protocol C;
  syncer                   {rate 30M;}
  device                   /dev/drbd1;
  disk                     /dev/drbd-dev/mydbdev;
  meta-disk                internal;
  startup                  {degr-wfc-timeout 120;
                            wfc-timeout 0;}
  net                      {connect-int 10;
                            ping-int 10;
                            timeout 30;}
  on SRVR1 {address;}
  on SRVR2 {address;}
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