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Underrun count error increasing continuously in SATA disk shelf

Hi all,

Underrun count error increasing continuously in SATA disk shelf

this underrun count error impact the overall storage performance.

how to fix this issues?

we have raised case with Netapp vendor . the gave below suggestions.

1. reseat the loop cable and sfp modules(multipath HA)--done

2. replace the loop cable and sfp--done

3. replace the  AT-FCx module--done

after this still we have seen underrun counter error..

can anyone gave me idea how to fix without impact of production.

Re: Underrun count error increasing continuously in SATA disk shelf

Netapp expert anybody answer my above queries

Re: Underrun count error increasing continuously in SATA disk shelf

any one???