Comment 10 for bug 1237794

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Sean Clarke (sean-clarke) wrote : Re: hard lockup on filserver

OK, it is reproducible - I have a filserver with 6x 3TB in a BTRFS RAID 1+0 configuration.

From a client (and using NFS) I copy a 95GB tar file from the fileserver to a USB HD.

It seems at the very end (when BTRFS deletes the 95GB file on the server it falls over - btrfs-transaction and btrfs-flush_del using 3 to 5 cores at 50 to 100%.