How is ipmievd service work, why my server polling the bmc sel every time?

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Hello,

It was fulled of ipmievd messages in the /var/log/messages，also polling the events from bmc sel log every time, I guess these were the history events，but why the ipmievd do a polling for history events?

The following are the messages found in the journal or messages files:
ipmievd[xxxx]: SEL buffer overflowed ,no new SEL message will be logged until the SEL buffer is cleared.
ipmievd[xxxx]: SEL overflow is cleared
ipmievd[xxxx]: SEL buffer is 98% full , please consider clearing the SEL buffer.
ipmievd[xxxx]: SEL buffer is 88% full , please consider clearing the SEL buffer.
ipmievd[xxxx]: SEL buffer is 94% full , please consider clearing the SEL buffer.
ipmievd[xxxx]: reserved sensor 03
ipmievd[xxxx]: Add-in Card sensor Riser2 Card -Device Present Asserted
........
ipmievd[xxxx]: Process sensor CPU1 Status - Presence detected Asserted
.........
ipmievd[xxxx]: Terminator sensor LCD Presence - Device Absent Asserted
.........
ipmievd[xxxx]: Driver Slot / Bay sensor Disk0 -Driver Present Asserted
........

I checked the sel buffer that was not full only 8% used And it repeated the messages aboves when I executed the commands: journalctl -f and tail -f /var/log/messages

Could someone help me to analyzed the problem, Thank you very much!

lc

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