<<On Sat, 13 Jul 2024 19:42:32 -0700, Rick Macklem <[email protected]> said:
> # ps axHl > should show you what wchan's the processes are waiting on and that might > give you a clue w.r.t. what is happening? zfs is waiting to write into the pipe and pv (the progress meter) is waiting in select. > If is easy to build a kernel from sources and boot that, you could try > defining > PIPE_NODIRECT in sys/kern/sys_pipe.c and see if that avoids the hangs? It's easy to build a kernel from sources, but not easy to reboot the server -- it's being retired shortly, and because of time constraints I need to get it drained before the next scheduled outage. -GAWollman
