SAN KBs

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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

NVME Standby path's not being utilized when attached to a hostFri, 26 Sep 2025
NVMe/TCP Datastores Become Inaccessible After ONTAP UpgradeFri, 26 Sep 2025
Vmware Guest host which utilize iSCSI LUNs hung during ONTAP node PanicThu, 25 Sep 2025
SAN services down after both nodes in chassis replacedThu, 25 Sep 2025
Brocade G610 Switch Ports Flapping Due to Power Loss and Power Cycle EventWed, 24 Sep 2025
VMs down post takeover of node due to PR keys crossing thresholdSun, 21 Sep 2025
Unable to convert Target to Initiator due to unsupported adapter cardFri, 19 Sep 2025
NVMe LUNs missing after Microsoft SQL Server HBA replacementFri, 19 Sep 2025
Multiple VMs reported corrupted in ESXi after the ontap upgradeMon, 15 Sep 2025
CONTAP-503989 - NVME Connections failing to re-connect on VMwareWed, 10 Sep 2025
How to factory reset FC switchesTue, 09 Sep 2025
ONTAP SAN Brocade FC switch web server is not respondingMon, 08 Sep 2025
Is it possible to convert a 4KB block-size namespace to a LUN within ONTAP?Thu, 04 Sep 2025
ONTAP Fiber channel disconnections with Link failure loss of syncWed, 27 Aug 2025
ESXi hosts lose access to NetApp LUNs during a Vol moveSat, 23 Aug 2025
Creating a new VMFS datastore fails on a newly created LUNFri, 22 Aug 2025
Is port-based load balancing recommended for iSCSI?Thu, 21 Aug 2025
ONTAP SAN deploying a large VMware template takes to longWed, 20 Aug 2025
Can we map a lun with same lun id from different storage vendor to the same hostMon, 18 Aug 2025
Could corrupt LUN recovered by 3rd party data recovery tool move to other volume?Fri, 15 Aug 2025

NVME Standby path's not being utilized when attached to a hostFri, 26 Sep 2025
Repeated new ISCSI sessions when one already exists messagesFri, 26 Sep 2025
NVMe/TCP Datastores Become Inaccessible After ONTAP UpgradeFri, 26 Sep 2025
How to collect data for an RCA of a SAN event that occurred in the pastFri, 26 Sep 2025
ONTAP System Manager displays partially connected status when initiators are logged inFri, 26 Sep 2025
Brocade G610 Switch Ports Flapping Due to Power Loss and Power Cycle EventFri, 26 Sep 2025
Vmware Guest host which utilize iSCSI LUNs hung during ONTAP node PanicThu, 25 Sep 2025
SAN services down after both nodes in chassis replacedThu, 25 Sep 2025
CONTAP-503989 - NVME Connections failing to re-connect on VMwareWed, 24 Sep 2025
Partially or none connected status seen for igroups in system manager due to scanners not running in CLIWed, 24 Sep 2025
Multiple VMs reported corrupted in ESXi after the ontap upgradeTue, 23 Sep 2025
VMs down post takeover of node due to PR keys crossing thresholdSun, 21 Sep 2025
Unable to convert Target to Initiator due to unsupported adapter cardFri, 19 Sep 2025
NVMe LUNs missing after Microsoft SQL Server HBA replacementFri, 19 Sep 2025
ONTAP SAN deploying a large VMware template takes to longThu, 18 Sep 2025
ONTAP iSCSI SAN continuous interruptionsTue, 16 Sep 2025
LUN of larger size taking longer time to be formatted in windows hostMon, 15 Sep 2025
ONTAP SAN Brocade FC switch web server is not respondingFri, 12 Sep 2025
Why are there Active/Optimized and Active/Unoptimized paths on Windows Server LUNs?Thu, 11 Sep 2025
How to disable NVMe host virtual machine identifier in ONTAPThu, 11 Sep 2025