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@@ -32,10 +32,18 @@ breadcrumbs:
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Example usage:
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```sh
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-# 1 stressor, 75% of memory, with verification, for 10 minutes
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+# 1 stressor, 75% of memory (TODO this also works fine with 100% for some reason, find out what it actually means), with verification, for 10 minutes
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stress-ng --vm 1 --vm-bytes 75% --vm-method all --verify -t 10m -v
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```
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+### Error Detection and Correction (EDAC) (Linux)
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+
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+- Only available on systems with ECC RAM, AFAIK.
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+- Check the syslog: `journalctl | grep 'EDAC' | grep -i 'error'`
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+- Show corrected (CE) and uncorrected (UE) errors per memory controller and DIMM slot: `grep '.*' /sys/devices/system/edac/mc/mc*/dimm*/dimm_*_count`
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+- Show DIMM slot names to help locate the faulty DIMM: `dmidecode -t memory | grep 'Locator:.*DIMM.*'`
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+- When changing the DIMM, make sure to run Memtest86 or similar both before and after to validate that the errors go away.
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+
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## Storage
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### Fio (Linux)
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Nordstrand