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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 02:57:58 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 02:57:58 +0000 |
| commit | be1c7e50e1e8809ea56f2c9d472eccd8ffd73a97 (patch) | |
| tree | 9754ff1ca740f6346cf8483ec915d4054bc5da2d /health/guides/mdstat/mdstat_mismatch_cnt.md | |
| parent | Initial commit. (diff) | |
| download | netdata-upstream.tar.xz netdata-upstream.zip | |
Adding upstream version 1.44.3.upstream/1.44.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'health/guides/mdstat/mdstat_mismatch_cnt.md')
| -rw-r--r-- | health/guides/mdstat/mdstat_mismatch_cnt.md | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/health/guides/mdstat/mdstat_mismatch_cnt.md b/health/guides/mdstat/mdstat_mismatch_cnt.md new file mode 100644 index 00000000..7a156e38 --- /dev/null +++ b/health/guides/mdstat/mdstat_mismatch_cnt.md @@ -0,0 +1,15 @@ +### Understand the alert + +This alert presents the number of unsynchronized blocks for the RAID array in crisis. Receiving this alert indicates a high number of unsynchronized blocks for the RAID array. This might indicate that data on the array is corrupted. + +This alert is raised to warning when the metric exceeds 1024 unsynchronized blocks. + +### Troubleshoot the alert + +There is no standard approach to troubleshooting this alert because the reasons can be various. + +For example, one of the reasons might be a swap on the array, which is relatively harmless. However, this alert can also be triggered by hardware issues which can lead to many problems and inconsistencies between the disks. + +### Useful resources + +[Serverfault | Reasons for high mismatch_cnt on a RAID1/10 array](https://serverfault.com/questions/885565/what-are-raid-1-10-mismatch-cnt-0-causes-except-for-swap-file/885574#885574) |