topic Underrun count error increasing continuously in SATA disk shelf in ONTAP Hardware https://community.netapp.com/t5/ONTAP-Hardware/Underrun-count-error-increasing-continuously-in-SATA-disk-shelf/m-p/19544#M1311 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #222222; font-family: arial; font-size: small; background-color: #ffffff;">Hi all,</SPAN></P><P></P><P style="color: #222222; font-family: arial; font-size: small;">Underrun count error increasing continuously in SATA disk shelf</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">this underrun count error impact the overall storage performance.</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">how to fix this issues?</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">we have raised case with Netapp vendor . the gave below suggestions.</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">1. reseat the loop cable and sfp modules(multipath HA)--done</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">2. replace the loop cable and sfp--done</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">3. replace the&nbsp; AT-FCx module--done</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">after this still we have seen underrun counter error..</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">can anyone gave me idea how to fix without impact of production. </P></BODY></HTML> Thu, 05 Jun 2025 05:42:51 GMT ANANDONTAP 2025-06-05T05:42:51Z Underrun count error increasing continuously in SATA disk shelf https://community.netapp.com/t5/ONTAP-Hardware/Underrun-count-error-increasing-continuously-in-SATA-disk-shelf/m-p/19544#M1311 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #222222; font-family: arial; font-size: small; background-color: #ffffff;">Hi all,</SPAN></P><P></P><P style="color: #222222; font-family: arial; font-size: small;">Underrun count error increasing continuously in SATA disk shelf</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">this underrun count error impact the overall storage performance.</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">how to fix this issues?</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">we have raised case with Netapp vendor . the gave below suggestions.</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">1. reseat the loop cable and sfp modules(multipath HA)--done</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">2. replace the loop cable and sfp--done</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">3. replace the&nbsp; AT-FCx module--done</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">after this still we have seen underrun counter error..</P><P></P><P style="color: #222222; font-family: arial; font-size: small;">can anyone gave me idea how to fix without impact of production. </P></BODY></HTML> Thu, 05 Jun 2025 05:42:51 GMT https://community.netapp.com/t5/ONTAP-Hardware/Underrun-count-error-increasing-continuously-in-SATA-disk-shelf/m-p/19544#M1311 ANANDONTAP 2025-06-05T05:42:51Z Re: Underrun count error increasing continuously in SATA disk shelf https://community.netapp.com/t5/ONTAP-Hardware/Underrun-count-error-increasing-continuously-in-SATA-disk-shelf/m-p/19549#M1312 <HTML><HEAD></HEAD><BODY><P>Netapp expert anybody answer my above queries </P></BODY></HTML> Tue, 18 Feb 2014 04:57:32 GMT https://community.netapp.com/t5/ONTAP-Hardware/Underrun-count-error-increasing-continuously-in-SATA-disk-shelf/m-p/19549#M1312 ANANDONTAP 2014-02-18T04:57:32Z Re: Underrun count error increasing continuously in SATA disk shelf https://community.netapp.com/t5/ONTAP-Hardware/Underrun-count-error-increasing-continuously-in-SATA-disk-shelf/m-p/19554#M1313 <HTML><HEAD></HEAD><BODY><P>any one???</P></BODY></HTML> Wed, 19 Mar 2014 11:11:28 GMT https://community.netapp.com/t5/ONTAP-Hardware/Underrun-count-error-increasing-continuously-in-SATA-disk-shelf/m-p/19554#M1313 ANANDONTAP 2014-03-19T11:11:28Z