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Bug #7540

closed

loader zfs should check all labels

Added by Toomas Soome almost 6 years ago. Updated over 5 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Category:
bootloader
Start date:
2016-11-07
Due date:
% Done:

100%

Estimated time:
Difficulty:
Medium
Tags:
needs-triage
Gerrit CR:

Description

The current loader code does read pool data only from first label on disk. While in general it should be enough, still there is an chance we will hit disk issue or missing updates on label.

The first take on issue is https://www.illumos.org/rb/r/250/

For test and verification, I had debug printouts to verify the txg numbers on all 4 label instances, also for UB scan - those printfs are removed from patch posted in reviewboard.

Note there is also parallel work at fbsd side, and using slightly different approach: https://reviews.freebsd.org/D8464.

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