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diff --git a/health/guides/megacli/megacli_bbu_cycle_count.md b/health/guides/megacli/megacli_bbu_cycle_count.md new file mode 100644 index 00000000..14f1d22d --- /dev/null +++ b/health/guides/megacli/megacli_bbu_cycle_count.md @@ -0,0 +1,28 @@ +### Understand the alert + +The `megacli_bbu_cycle_count` alert is related to the battery backup unit (BBU) of your MegaCLI controller. This alert is triggered when the average number of full recharge cycles during the BBU's lifetime exceeds a predefined threshold. High numbers of charge cycles can affect the battery's relative capacity. + +A warning state is triggered when the number of charge cycles is greater than 100, and a critical state is triggered when the number of charge cycles is greater than 500. + +### Troubleshoot the alert + +**Caution:** Before performing any troubleshooting steps, ensure that you have taken the necessary backup measures to protect your data. Netdata is not liable for any data loss or corruption. + +1. Gather information about the battery units for all of your adapters: + + ``` + megacli -AdpBbuCmd -GetBbuStatus -aALL + ``` + +2. Perform a battery check on the BBU with a low relative charge. Before taking any action, consult the manual's[section 7.14](https://docs.broadcom.com/docs/12353236): + + ``` + megacli -AdpBbuCmd -BbuLearn -aX // X is the adapter's number + ``` + +3. If necessary, replace the battery in question. + +### Useful resources + +1. [MegaRAID SAS Software User Guide (PDF download)](https://docs.broadcom.com/docs/12353236) +2. [MegaCLI commands cheatsheet](https://www.broadcom.com/support/knowledgebase/1211161496959/megacli-commands)
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