[Bug 186112] [zfs] [panic] ZFS Panic/Solaris Assert/zap.c:479

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=186112

--- Comment #9 from Peter Wemm <peter at FreeBSD.org> ---
 "dedup: DDT entries 1415219, size 2676 on disk, 540 in core"

->  728MB of ram to cache this.  Fortunately that's a relatively small portion
of your system ram.

I would still be doing a zfs set dedup=off anywhere it's on.  While it won't
fix the on-disk dedup corruption, at least you won't risk adding to it any
more.

Your system is crashing trying to parse the on-disk dedup records.  That's what
the *_ddt_* functions are about in the traces.  I can't imagine this ending
well.

Does a scrub find the problem? or does the scrub trigger the assertions?

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