-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 gordan@xxxxxxxxxx wrote: > On Mon, 3 Mar 2008, gordan@xxxxxxxxxx wrote: > >> I have a 2-node cluster with Open Shared Root on GFS on DRBD. A single >> node mounts GFS OK and works, but after a while seems to just block >> for disk. > [...] > State: D (disk sleep) > SleepAVG: 97% > [...] You can find out what it's sleeping on either by via a sysrq or by getting ps to display the wchan field of the stat data, e.g.: ps ac -opid,comm,wchan And see what symbol appears in the 3rd field. For sysrq, just echo t > /proc/sysrq-trigger Then look in dmesg & find the stacktrace for the process you're interested in. Regards, Bryn. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFHzDOm6YSQoMYUY94RAv4EAJ9ETV417mVlw3DLcil+zbKC3IIccgCgnOns QAKLelOI8BMcjKMfpbW69xg= =R9XQ -----END PGP SIGNATURE----- -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster