Hi, in some cases, apache could crash a OCFS2 cluster, because a miss defined reading or write privilege to a file or folder and provoke a dead-lock in the cluster.
On Fri, Sep 1, 2017 at 4:23 AM, Adi Kriegisch <a...@cg.tuwien.ac.at> wrote: > Hi! > > > We were experimenting with the newer version of OCFS2 on Debian 9 > > Stretch inside KVM GUESTS. > [...] > > We have 3 nodes, but it is the same with 1 single node when we do apache > > benchmark on the vm it crashes (becomes unpingable, unreachable, kernel > > crashlog on virtual console) until destroy and restart. Some point of > > the crashdump referred to SMP so we have tried to reconfigure the VM > > with 1 cpu and guess what it worked. No crash in case of 1 cpu but the > > performance is way too slow. Anybody has a clue what can go wrong here? > We do see a similar behavior on a file server under load (our favorite is > extracting a zip file containing a huge amount of small files). > > Do you also use the built-in cluster stack? Did you consider testing with > an > external cluster stack? I'd be very much interested if that makes a > difference... > > best regards, > Adi Kriegisch > > > _______________________________________________ > Ocfs2-users mailing list > Ocfs2-users@oss.oracle.com > https://oss.oracle.com/mailman/listinfo/ocfs2-users >
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