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| author | Tony Luck <tony.luck@intel.com> | 2022-05-23 08:55:23 -0700 |
|---|---|---|
| committer | Andi Kleen <ak@linux.intel.com> | 2022-05-23 09:11:50 -0700 |
| commit | c75cd42e245d6eba31ce8f8aeee38ef4084a9f50 (patch) | |
| tree | 4d273f1871c18baad708d49b95753c58cd7ce303 | |
| parent | d975fc16fd37b3e136114c01ced263de1456acf1 (diff) | |
| download | mcelog-c75cd42e245d6eba31ce8f8aeee38ef4084a9f50.tar.gz | |
mcelog: Reduce default threshold for corrected error page offlinev182
The "ten per 24 hour" threshold has been in place for over a decade.
A study of large numbers of errors on modern systems suggests reducing
that threshold to two per 24 hours".
https://www.intel.com/content/dam/www/public/us/en/documents/intel-and-samsung-mrt-improving-memory-reliability-at-data-centers.pdf
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
| -rw-r--r-- | mcelog.conf | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/mcelog.conf b/mcelog.conf index 41b465a..86ddca0 100644 --- a/mcelog.conf +++ b/mcelog.conf @@ -109,12 +109,16 @@ dmi-prepopulate = yes # Errors per DIMM exceeds the threshold. # Note when the hardware does not report DIMMs this might also # be per channel. -# The default of 10/24h is reasonable for server quality -# DDR3 DIMMs as of 2009/10. +# The default of 10/24h was reasonable for server quality +# DDR3 DIMMs as of 2009/10. Newer systems can benefit from +# more aggressive page offline when corrected errors are seen +# See: +# https://www.intel.com/content/dam/www/public/us/en/documents/intel-and-samsung-mrt-improving-memory-reliability-at-data-centers.pdf +# for details. #uc-error-trigger = dimm-error-trigger uc-error-threshold = 1 / 24h #ce-error-trigger = dimm-error-trigger -ce-error-threshold = 10 / 24h +ce-error-threshold = 2 / 24h [socket] # Enable memory error accounting per socket. |