GNU GRUB - Bugs: bug #42632, ZFS pool not detected when...
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bug #42632: ZFS pool not detected when multiple pools exist
Submitter: | Tim Chase <dweeezil> | ||
Submitted: | Fri 27 Jun 2014 04:13:32 AM UTC | ||
Category: | Filesystem | Severity: | Major |
Priority: | 5 - Normal | Item Group: | Software Error |
Status: | Fixed | Privacy: | Public |
Assigned to: | None | Originator Name: | |
Open/Closed: | Closed | Release: | Git master |
Release: | Reproducibility: | Every Time | |
Planned Release: | None |
Sat 24 Jan 2015 07:58:57 PM UTC, comment #5: |
Vladimir Serbinenko <phcoder> |
Tue 09 Dec 2014 07:41:35 PM UTC, comment #4: Patch looks sensible but does not it make data->mounted completely redundant? Could you review if it can be removed and send patch against master to grub-devel? |
Andrei Borzenkov <arvidjaar> |
Sat 28 Jun 2014 12:48:06 PM UTC, comment #3: For some reason, the output from the fixed version was dropped in the last comment. Here it is:
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Tim Chase <dweeezil> |
Sat 28 Jun 2014 12:45:58 PM UTC, comment #2: I've done some more experimentation and believe my fix is correct. Some pool combinations will "work" because the extra vdevs being included in the pool don't harm anything so long as the correct vdev is referenced when a file is accessed. Here's an example of the bug from current master code:
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Tim Chase <dweeezil> |
Fri 27 Jun 2014 01:16:06 PM UTC, comment #1: I should add that for some reason, this problem doesn't seem to occur for all types of pools. For example, a 3-disk striped pool followed by a single-disk pool seems to work. I need to investigate this further since it might indicate a different solution is in order.
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Tim Chase <dweeezil> |
Fri 27 Jun 2014 04:13:32 AM UTC, original submission:
The vdev-skipping logic causes pools to be missed in some cases when multiple pools exist on a system. For example, if a system has a 3-disk raidz in one pool followed by a single-disk pool, the scanning of the 4th disk will cause the first pool to not be seen.
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Tim Chase <dweeezil> |
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Follow 2 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2015-01-24 | phcoder | Status | None | Fixed | |
Open/Closed | Open | Closed |
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Corresponding source code
Fixed by changing underlying logic to easier variant using "original" parameter.