[DRBD-user] DRBD - Timeoutvalues

Jakl Stefan, ACA-IT-OP-COR Stefan.Jakl at accarda.com
Mon Feb 22 15:18:31 CET 2010

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Hi all,

I have a primary/primary - VMware cluster setup which is up and running.
Now, if we do a backup of the esx below (snapshotbased), I often face the problem that the nodes run out of sync.

My question is, does any of you have a higher timeout-value ?
What would be the max-values for timeouts that you suggest ?
Or do you have a better hint for me ?

Kind regards
Stefan

######################

global {
        usage-count no;
}

resource r0 {
        protocol C;

startup {
        degr-wfc-timeout 15;
        wfc-timeout 30;
        become-primary-on both;
        }

syncer {
        rate 100M;
        }


on server1 {
        device  /dev/drbd0;
        disk    /dev/sdb1;
        address 10.10.10.1:7788;
        meta-disk       internal;
                }

on server2 {
        device /dev/drbd0;
        disk    /dev/sdb1;
        address 10.10.10.2:7788;
        meta-disk       internal;
                }

net {
        allow-two-primaries;
        after-sb-0pri discard-zero-changes;
        after-sb-1pri discard-secondary;
        after-sb-2pri disconnect;
        timeout 120;
        connect-int 30;
        ping-int 30;
        max-buffers 2048;
        max-epoch-size 2048;
    }
}

Kind regards
Stefan Jakl


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