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3

Resilvering (and scrubbing) involves walking the entire B-Tree of the pool, and re-silvering blocks that would have been on the missing disk. Without walking through every single txg in the tree, it cannot know which blocks would have been on the missing disk, hence it scans the entire metadata universe for the pool. It doesn't necessarily read all the ...


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There are a couple of explanations. One of them is that the system lost contact to the disk for a while and is now updating the latest changes to that disk. You should not remove a disk while it is resilvering, because RAIDz1 has only a single disk fault tolerance.


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Easily. Physical memory that is shared between processes - either IPCS shared memory or some of the mmap()'d physical memory used by shared objects - will be counted in the RSS of every process that maps that memory into its address space. There's no easy way to account for this when the starting point for counting memory usage is enumerating processes - ...


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If you're looking for something specific, this might do it: cat yourfile.txt | grep "something specific" | less I use it for searching log files. It's still in the 'wrong' order though, but much shorter. After reading Dennis Williamson's answer, that's my new method =)


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For zfs, per the zfs man page, use zfs userspace filesystem to get a listing for all users on a file system, and use zfs get [-r] userused@user filesystem to get space used by a particular user on a filesystem. Use the -r option to zfs get ... to get user usage on all descendents of the filesystem, too. Be aware that this will return not just descendent ...


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Have you tried using the diskinfo command? http://docs.oracle.com/cd/E23823_01/html/816-5166/diskinfo-1m.html



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