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Groups > linux.debian.bugs.dist > #1303450
| From | Timothy Pearson <tpearson@raptorengineering.com> |
|---|---|
| Newsgroups | linux.debian.bugs.dist, linux.debian.kernel |
| Subject | Bug#1143143: RAID10 rebuild high CPU low throughput after upgrade from Bookworm |
| Date | 2026-07-31 00:00 +0200 |
| Message-ID | <NmGXf-7XoA-1@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
Cross-posted to 2 groups.
Package: linux Version: 6.12.94-1 After upgrading from Bookworm (6.1.0-18), rebuilding a degraded RAID10 array proceeds at ~1MB/s with 100% CPU load on one core. Booting the same system with the old 6.1 series kernel and resuming the rebuild of the same array proceeds at over 200MB/s with minimal CPU load. This is on a LSI SAS3008 RAID controller, and the default 6.12 readahead settings were adjusted back down to the same values as the 6.1 kernel with no improvement.
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Bug#1143143: RAID10 rebuild high CPU low throughput after upgrade from Bookworm Timothy Pearson <tpearson@raptorengineering.com> - 2026-07-31 00:00 +0200 Bug#1143143: RAID10 rebuild high CPU low throughput after upgrade from Bookworm Salvatore Bonaccorso <carnil@debian.org> - 2026-08-04 07:20 +0200
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