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[stable9.1] Backport of filecache repair step OLD2#29486

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PVince81 wants to merge 15 commits into
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stable9.1-repair
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[stable9.1] Backport of filecache repair step OLD2#29486
PVince81 wants to merge 15 commits into
stable9.1from
stable9.1-repair

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@PVince81

@PVince81 PVince81 commented Nov 7, 2017

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Resend of #29407

@tomneedham

Vincent Petry and others added 15 commits November 7, 2017 10:04
Whenever a parent-child relationship describes a specific path but the
entry's actual path is different, this new repair step will adjust it.

In the event where another entry already exists under that name, the
latter is deleted and replaced by the above entry. This should help
preserve the metadata associated with the original entry.
When fixing failed cross-storage moves in the file cache and using the
storage id filter, we filter by target storage for phase 1. However, we
also need to fix the source storages in phase 2. To do so, a list of
affected source storages is now gathered in phase 1 to be run on phase
2.
This instead of iterating over all storages which is way less efficient
due to the 1-N nature of potential failed cross-storage moves that we
are repairing.

If singleuser mode is enabled and "--all --repair" is passed, all
storages will be repaired in bulk (no repair filter). If not, it will
fall back to iterating over each storage which is slower.
@PVince81

PVince81 commented Nov 7, 2017

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#29487

@PVince81 PVince81 closed this Nov 7, 2017
@PVince81 PVince81 changed the title [stable9.1] Backport of filecache repair step [stable9.1] Backport of filecache repair step OLD2 Nov 7, 2017
@PVince81 PVince81 deleted the stable9.1-repair branch November 7, 2017 09:09
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This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.

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