On Mon, Sep 28, 2009 at 12:16 PM, Richard Elling <richard.ell...@gmail.com>wrote:
> On Sep 28, 2009, at 3:42 PM, Albert Chin wrote: > > On Mon, Sep 28, 2009 at 12:09:03PM -0500, Bob Friesenhahn wrote: >> >>> On Mon, 28 Sep 2009, Richard Elling wrote: >>> >>>> >>>> Scrub could be faster, but you can try >>>> tar cf - . > /dev/null >>>> >>>> If you think about it, validating checksums requires reading the data. >>>> So you simply need to read the data. >>>> >>> >>> This should work but it does not verify the redundant metadata. For >>> example, the duplicate metadata copy might be corrupt but the problem >>> is not detected since it did not happen to be used. >>> >> >> Too bad we cannot scrub a dataset/object. >> > > Can you provide a use case? I don't see why scrub couldn't start and > stop at specific txgs for instance. That won't necessarily get you to a > specific file, though. > -- richard > > > On Mon, Sep 28, 2009 at 12:16 PM, Richard Elling <richard.ell...@gmail.com > wrote: > On Sep 28, 2009, at 3:42 PM, Albert Chin wrote: > > On Mon, Sep 28, 2009 at 12:09:03PM -0500, Bob Friesenhahn wrote: >> >>> On Mon, 28 Sep 2009, Richard Elling wrote: >>> >>>> >>>> Scrub could be faster, but you can try >>>> tar cf - . > /dev/null >>>> >>>> If you think about it, validating checksums requires reading the data. >>>> So you simply need to read the data. >>>> >>> >>> This should work but it does not verify the redundant metadata. For >>> example, the duplicate metadata copy might be corrupt but the problem >>> is not detected since it did not happen to be used. >>> >> >> Too bad we cannot scrub a dataset/object. >> > > Can you provide a use case? I don't see why scrub couldn't start and > stop at specific txgs for instance. That won't necessarily get you to a > specific file, though. > -- richard > I get the impression he just wants to check a single file in a pool without waiting for it to check the entire pool. --Tim
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