md: Add consistency check feature for level-1 RAID
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- v1 Latest2 patches 2 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | md: Add configurability for consistency check featuredrivers/ drivers/ | +30 | 1 reply | |
| 2/2 | md: Add support for RAID-1 consistency check featuredrivers/ | +250 | 1 reply |
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Cover letter [PATCH 0/2] md: Add consistency check feature for level-1 RAID
This patch series introduces an online consistency check for RAID-1 md-arrays.
The feature compares each block that is read with its pendants on the other array members to detect silent data corruption (a.k.a. bit rot). Unfortunately, the feature is not fully-functional at this point, as we have reached a dead end (see below).
We still want to hand in the patch for reference; maybe you can help us, for we plan to keep on working on it.
The following issues remain:
- Partitions cannot be mounted with enabled safe read for some reason (We suppose something goes wrong when duplicating the bio structure)
- Broken sectors during a read result in a crash
- There may be synchronization issues
The following patches apply to the linux-next tree (rev ed87ead565a6130174fc27a46af65169cbff7677).
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1.8.3.2