On Sep 29, 2009, at 10:29 AM, Borja Marcos wrote:

I have observed a deadlock condition when using ZFS. We are making a heavy usage of zfs send/zfs receive to keep a replica of a dataset on a remote machine. It can be done at one minute intervals. Maybe we're doing a somehow atypical usage of ZFS, but, well, seems to be a great solution to keep filesystem replicas once this is sorted out.

Not sure the backtraces screenshots will get through...

First one is the backtrace for the zfs command.

Second one, a tar process doing a "cf - ." on the dataset being replicated, sending to a pipe.

Third one, the receiving tar process, doing an "xf -" on a second dataset.







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