Description of problem: Backup procedure creates an LVM snapshot of a filesystem, then uses dump to backup the snapshot to a file on another filesystem. This process intermittently (perhaps once a week) causes a system-wide hang. Version-Release number of selected component (if applicable): Kernel 2.6.9-22.0.2.EL lvm2-2.02.01-1.3.RHEL4 How reproducible: Intermittent, not easily reproducable. Steps to Reproduce: N/A Actual results: Expected results: Additional info:
Please try the update 3 kernel - there've been some fixes to the snapshot code. If you still see problems, reopen and get diagnostics using the sysrq facility with 't' and 'm' etc. [see Documentation/sysrq.txt in the kernel source]