[DRBD-user] DRBD full sync is stalled

Lars Ellenberg lars.ellenberg at linbit.com
Fri Sep 25 13:48:52 CEST 2009

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

On Fri, Sep 25, 2009 at 01:10:24PM +0200, Jeroen Groenewegen van der Weyden wrote:
> Anybody?
> The same seems to happen with 8.3.3RC2. although the error is either to  
> freeze the system or the system disconnects all network interfaces. 
> Anybody?
> mfg,
> jeroen
> Jeroen Groenewegen van der Weyden wrote:
>> Hello,
>> I have a problem when full syncing with drbd the target machine  
>> freezes. scenario is simple whenever a full sync is made manual or  
>> automaticly the syncing is stalled after some time. after the syncing  
>> reaches the stalled states a view moments later the target machine  
>> freeze entirely.
>> OpenSuse 11.1
>> kernel #
>> drbd 8.3.1
>> NIC: NetXtreme II BCM5708 Gigabit Ethernet
>> On the Source Machine:
>> cat /proc/drbd
>> version: 8.3.1 (api:88/proto:86-89)
>> GIT-hash: fd40f4a8f9104941537d1afc8521e584a6d3003c build by  
>> root at DefaultNode, 2009-04-27 11:34:17
>> 0: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r----
>>    ns:324524 nr:0 dw:110988 dr:689400 al:263 bm:242 lo:0 pe:2131  
>> ua:978 ap:36 ep:1 wo:b oos:1635880
>>        [==>.................] sync'ed: 16.4% (1635880/1951768)K
>>        stalled
>> How to find out what is happening here?

Serial console?

Network stress tests not using DRBD?
General stress tests?

>> (and prevent it in the future.)

: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

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