On Oct 09, 2008 15:44 -0500, Eric Sandeen wrote: > Somehow, though, we seem to be allocating only 2048 blocks at a time > (haven't worked out why, yet - this also seems problematic) - but at any > rate, losing (32767-2048) blocks in each loop from fallocate seems to be > causing this space loss and eventual ENOSPC. I believe the 2048-block (8MB) allocation limit is imposed by mballoc to avoid scanning the whole filesystem looking for huge chunks of free disk. That said, it would be nice if there IS lots of free space that this is allocated optimistically if possible. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
