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SAN KBs

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
  • ONTAP SAN FCP SRAM DUMP which restart FC port related to FC LIFMon, 17 Aug 2026
  • LUNs not visible on Hyper-V host after after Datacenter migrationMon, 17 Aug 2026
  • VM inaccessible during disk consolidation due to ONTAP LUN write protectionThu, 06 Aug 2026
  • Does NetApp Host Utilities Kit manipulate the LUN block sizeWed, 05 Aug 2026
  • ESXi Host Reboots Unexpectedly Due to QLogic qedentv Driver BugWed, 05 Aug 2026
  • FC port resets with error LOCAL RJT RXDMAFAILEDFri, 31 Jul 2026
  • VMware volumes offline after igroup changes on NetApp AFF-A300Fri, 24 Jul 2026
  • AIX host recognizes FlexClone LUN as 2TB instead of 4TBFri, 24 Jul 2026
  • What are the NetApp best practices for OLVM/KVM using iSCSI with ONTAP during a VMware migration?Fri, 24 Jul 2026
  • NVMe namespace inaccessible when FlexVol reaches full threshold in ONTAP 9.16.1Fri, 24 Jul 2026
  • Why Brocade Switch “Oversubscription Clear” Alert Visible in Mapsdb but not in Errdump logs ?Wed, 22 Jul 2026
  • Unable to display iSCSI datastores after adding new ESXI hostMon, 20 Jul 2026
  • ESXi pathing degradation with iSCSI and LACPWed, 15 Jul 2026
  • How to perform SAN Health Check to validate Fibre Channel (FC)Tue, 14 Jul 2026
  • ONTAP SAN SQL Server Logical Consistency I/O Error After Storage vMotionFri, 10 Jul 2026
  • Brocade FC switch defIT_RES_USAGE_P_90 MAPS alertThu, 09 Jul 2026
  • Does NetApp ONTAP SAN support NVMe TCP with Windows ServerThu, 09 Jul 2026
  • SQL VMs in ONTAP FC RDM LUNs on a single ESXi server have performance problemsWed, 08 Jul 2026
  • SSH service credentials using brute force vulnerability seen on SANnavMon, 06 Jul 2026
  • Why does ONTAP report scsiblade.volume.event.lost when a volume is offlined?Sun, 05 Jul 2026
  • How to verify SAN host initiator connection status in ONTAPTue, 18 Aug 2026
  • LUN connection lost on reboot or upgradeTue, 18 Aug 2026
  • WQE failure in EMS with extended status 0x16 frequently occurringTue, 18 Aug 2026
  • Partially or none connected status seen for igroups in system manager due to scanners not running in CLITue, 18 Aug 2026
  • How to verify AIX fibre channel configurations with multipathing I/O (MPIO)Mon, 17 Aug 2026
  • Modifying management LIFs disrupts database operationsMon, 17 Aug 2026
  • Fails to change the LUN id with "This LUN ID is already in use" errorMon, 17 Aug 2026
  • FCP/FCoE LIF reports operationally down due to Faulty switch SFPMon, 17 Aug 2026
  • ONTAP SAN FCP SRAM DUMP which restart FC port related to FC LIFMon, 17 Aug 2026
  • Which platforms support FC direct-attached configuraton starting with ONTAP 9.19.1Mon, 17 Aug 2026
  • LUNs not visible on Hyper-V host after after Datacenter migrationMon, 17 Aug 2026
  • ONTAP SAN Fibre Channel (FC) Card Not Detected After Installation AFF-C30Fri, 14 Aug 2026
  • Igroup bind fails with Bcom errorWed, 12 Aug 2026
  • VM inaccessible during disk consolidation due to ONTAP LUN write protectionTue, 11 Aug 2026
  • Luns not visible via NPIV on IBM iSANFri, 07 Aug 2026
  • High latency and unable to map SG array error in ESXFri, 07 Aug 2026
  • Does node Takeover/Giveback cause path degraded alerts on host end?Wed, 05 Aug 2026
  • Does NetApp Host Utilities Kit manipulate the LUN block sizeWed, 05 Aug 2026
  • ESXi Host Reboots Unexpectedly Due to QLogic qedentv Driver BugWed, 05 Aug 2026
  • ONTAP SAN Guest does not boot if thin provisionedMon, 03 Aug 2026