Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Dear Philipp, We also encountered this problem with replicating 50 Volumes. We had the same situation it hung up intermittently. We also echo nmi_watchdog=1 but unfurtunately we can't get any log from the system. becauce its freeze the system. thanks, francism x318 ----- Original Message ----- From: "Philipp Reisner" <philipp.reisner at linbit.com> To: <drbd-user at lists.linbit.com> Cc: <jd at trickytools.com> Sent: Tuesday, October 04, 2005 3:03 PM Subject: Re: [DRBD-user] Hosts freezes during 2 or 3 minutes Am Montag, 3. Oktober 2005 14:44 schrieb jd at trickytools.com: > Hello, > > I installed DRBD 0.7.13 on 2 Dell Poweredge 2850. > I often experience a freeze of the Primary during several minutes. > There is no message logged anywhere, no message on the system console. > There is no network problem, no message are logged on the Secondary. > > After the freeze, everything restarts OK. > > I know I lack information to help debugging, but anyway, here is the > configuration of the servers: > - OS = Linux RedHat ES4 Update 1 > - use a megaraid controler > - has 2MB of RAM and two Xeon at 3,2 MHz > What do you men by freeze: * Does it respond to key-strokes ? * Does it respond to pings ? * Does it respond to the "Num-Lock" key with toggling the "num-Lock" led ? * Is the screen blank, or has it the same content as before the freeze ? Could you retry and boot the kernel with the parameter "nmi_watchdog=1" on the kernel's command line ? > The former version of DRBD fixed a similar bug. > But maybe another bug with the same impact still exists ? We have got a new test cluster up and running here since about 10 days now. It mirrored many many terra bytes of device mapper zero targets in the last week. The cluster is build out of two 4 way xeon machines. I do not have the feeling that there is a spinlock deadlock in the latest release. -Phil -- : Dipl-Ing Philipp Reisner Tel +43-1-8178292-50 : : LINBIT Information Technologies GmbH Fax +43-1-8178292-82 : : Schönbrunnerstr 244, 1120 Vienna, Austria http://www.linbit.com : _______________________________________________ drbd-user mailing list drbd-user at lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user