Setup a netconsole server to catch the oops trace. Have you set /sys/kernel/panic_on_oops to 1?
On Tue, Mar 24, 2009 at 06:09:22PM +0200, Cristian Gae wrote: > Hello > > We have a 9 nodes ocfs2 cluster used for http serving. > > Sometimes when we want to reboot one of the nodes, it happens to kernel > panic at ocfs2 unmount, and after this on all the other nodes some httpd > processes goes to "D" state, and the system gets loaded. > > ps -e -o pid,stat,comm,wchan=WIDE-WCHAN-COLUMN > > 10187 D httpd ocfs2_wait_for_mask > > 10241 D httpd ocfs2_wait_for_mask > > 10254 D httpd ocfs2_wait_for_mask > > 10255 D httpd ocfs2_wait_for_mask > > 10272 D httpd ocfs2_wait_for_mask > > 10273 D httpd ocfs2_wait_for_mask > > 10274 D httpd ocfs2_wait_for_mask > > 10398 D httpd ocfs2_wait_for_mask > > 10441 D httpd ocfs2_wait_for_mask > > 10452 D httpd ocfs2_wait_for_mask > > > > Please tell me what info do you need to provide help to us. > > All nodes are CentOS 5.2, ocfs2 1.4.1, we use an DS4700 IBM Storage, > with Qlogic HBA and MPP driver. > > > > -- > Cristian Gae > Director IT > Netbridge Services > cristian....@netbridge.ro > 0749 018 817 > > -- > Acest mesaj impreuna cu fisierele transmise constituie o informatie > confidentiala si se adreseaza numai persoanei/persoanelor fizice sau > juridice mentionata/e ca destinatar. Daca nu sunteti destinatarul > acestui mesaj si ati primit e-mailul din greseala, va rugam anuntati > administratorul de sistem. Va aducem la cunostinta ca opiniile exprimate > in acest e-mail reprezinta punctul de vedere al autorului si nu cel al > intregii societati. Primitorul trebuie sa verifice existenta unor virusi > in acest e-mail si in continutul fisierele atasate. Societatea Netbridge > Services SRL nu este responsabila pentru transmiterea necorespunzatoare > a informatiei cauzate de un virus. > > > _______________________________________________ > Ocfs2-users mailing list > Ocfs2-users@oss.oracle.com > http://oss.oracle.com/mailman/listinfo/ocfs2-users _______________________________________________ Ocfs2-users mailing list Ocfs2-users@oss.oracle.com http://oss.oracle.com/mailman/listinfo/ocfs2-users
