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SAN KBs

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SAN Configuration and Admin
Guides for configuring and administering a SAN in a NetApp environment. 
FCP Lif down
Guide to troubleshooting FCP lifs that are Admin up or operationally down. 
Data to collect for a SAN RCA
This KB details the information that might be needed for NetApp to perform an RCA.
Frequent WQE 0x16 errors
KB covering how to resolve 0x16 errors seen in EMS logs . 
Freqent fcp.io errors with status 0x1d 
KB covering how to resolve frequent 0x1d errors in EMS. 
Brocade: SFP or cable Diagnoses
How to determine whether the SFP or Cable is faulty on a Brocade switch? 
Other Resources
  • FC connection loss during ONTAP UpgradeThu, 12 Sep 2024
  • Is Sanlun utility part of windows HUK?Thu, 12 Sep 2024
  • Is it recommended to have ISCSI and NFS configuration on same linkThu, 12 Sep 2024
  • Single path seen on ESXi hostThu, 12 Sep 2024
  • Frequent scsitarget.hwpfct and scsitarget.slifct errors reported in EMS logs for FCP adapter on Ontap endFri, 06 Sep 2024
  • Server retries IO due to faulty SAN switch ISLTue, 03 Sep 2024
  • iSCSI LIF operational status delay after network cable connectionMon, 02 Sep 2024
  • Error messages from Veeam spamming Audit Logs with - LUN is not currently offlineFri, 30 Aug 2024
  • Persistent port object fails to initialize for a new FCP LIF on a non ASA systemThu, 29 Aug 2024
  • Temporary error fcp.io.statusWed, 28 Aug 2024
  • IO Error reported on ESXi due to faulty host end sfpMon, 26 Aug 2024
  • CHAP authentication failure after ONTAP upgrade on ESXi hostsMon, 26 Aug 2024
  • Space is not reclaimed on LUN with ESXi vRDMMon, 26 Aug 2024
  • System does not boot when adding NVMe/FC namespace to /etc/fstabWed, 21 Aug 2024
  • Increasing CRC errors on multiple Brocade switches' portsTue, 20 Aug 2024
  • DISK REDUNDANCY FAILED WARNING due to port flaps in DWDM deviceTue, 20 Aug 2024
  • is there a recommendation number of paths from the host to nodes in the cluster When using ONTAP with FC?Tue, 20 Aug 2024
  • FCP FCoE LIF reports operationally down with extended status FDISC errorWed, 14 Aug 2024
  • HYPER-V cluster management console shows a warning: you must run chkdisk with scan mode on this volumeTue, 13 Aug 2024
  • Can we choose Lun ID while creating namespace mapping with subsystem?Tue, 13 Aug 2024
  • Persistent port object fails to initialize for a new FCP LIF on a non ASA systemFri, 13 Sep 2024
  • FC connection loss during ONTAP UpgradeThu, 12 Sep 2024
  • Is Sanlun utility part of windows HUK?Thu, 12 Sep 2024
  • Is it recommended to have ISCSI and NFS configuration on same linkThu, 12 Sep 2024
  • Single path seen on ESXi hostThu, 12 Sep 2024
  • FCP FCoE LIF reports operationally down with extended status FDISC errorTue, 10 Sep 2024
  • iSCSI lun lost access during ontap upgrade due to MPIO not installedTue, 10 Sep 2024
  • Frequent scsitarget.hwpfct and scsitarget.slifct errors reported in EMS logs for FCP adapter on Ontap endFri, 06 Sep 2024
  • Increasing CRC errors on multiple Brocade switches' portsFri, 06 Sep 2024
  • Space is not reclaimed on LUN with ESXi vRDMFri, 06 Sep 2024
  • Poor performance on hosts due to faulty switch SFPThu, 05 Sep 2024
  • ONTAP thin LUN with VMWare does not auto reclaim spaceTue, 03 Sep 2024
  • Server retries IO due to faulty SAN switch ISLTue, 03 Sep 2024
  • The space is not reclaimed when lun space-allocation is enabledTue, 03 Sep 2024
  • iSCSI LIF operational status delay after network cable connectionMon, 02 Sep 2024
  • Error messages from Veeam spamming Audit Logs with - LUN is not currently offlineFri, 30 Aug 2024
  • ONTAP SAN FC port with 500 initiator logins LIF reports waiting for link and FC transport operation timed outFri, 30 Aug 2024
  • ONTAP SAN LIF failed fabric login during MCC switchoverFri, 30 Aug 2024
  • Temporary error fcp.io.statusWed, 28 Aug 2024
  • CHAP authentication failure after ONTAP upgrade on ESXi hostsMon, 26 Aug 2024