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zpoolprops.7: document leaked 

It's noted very scarcely in the code as it stands, indeed the only
actual comment on this is

  /*
   * We have finished background destroying, but there is still
   * some space left in the dp_free_dir. Transfer this leaked
   * space to the dp_leak_dir.
   */

Introduced in fbeddd60b7 ("Illumos 4390 -
I/O errors can corrupt space map when deleting fs/vol"),
which explains, alongside the references, that this can only happen
with a corrupted pool

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13081
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наб 2022-02-11 20:49:07 +01:00 committed by Tony Hutter
parent d4e8dcf07e
commit a38e7bc922
1 changed files with 4 additions and 0 deletions
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man/man7/zpoolprops.7
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@ -101,6 +101,10 @@ Over time
will decrease while will decrease while
.Sy free .Sy free
increases. increases.
.It Sy leaked
Space not released while
.Sy freeing
due to corruption, now permanently leaked into the pool.
.It Sy health .It Sy health
The current health of the pool. The current health of the pool.
Health can be one of Health can be one of