SAN KBs
SAN KBs
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SAN Configuration and Admin
Guides for configuring and administering a SAN in a NetApp environment.
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.
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.
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 .
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.
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?
How to determine whether the SFP or Cable is faulty on a Brocade switch?
Other Resources
- "Activation Key entered has been canceled and is no longer valid." error on BrocadeWed, 04 Mar 2026
- Alias name for NetApp LUN is missing in multipath -ll output on Linux hostMon, 02 Mar 2026
- Can a Initiator be part of multiple Igroups?Mon, 02 Mar 2026
- iSCSI Connections Randomly Dropped in Multi-Network Linux SetupFri, 27 Feb 2026
- iSCSI Port administratively down after ESXi reboot in Direct-Attached SAN configFri, 27 Feb 2026
- LUN path visibility issue in Windows Server 2022 after performing takeover or givebackFri, 27 Feb 2026
- Is the multipath.conf file expected to be empty after installing ONTAP SAN Host Utilities?Fri, 27 Feb 2026
- Is Write IO allowed from reservation holder only or all registrants under SCSI-3 WERO reservation type?Wed, 25 Feb 2026
- SAN paths missing to destination cluster in SMas relationship after power outageTue, 24 Feb 2026
- LUN Offline Due to Full Volume on Windows HostTue, 24 Feb 2026
- Windows HUK installation displays message "No update to settings"Mon, 23 Feb 2026
- High Latency and SCSI Aborts while accessing SAN LUNs on ESXiFri, 20 Feb 2026
- VMware Datastore Not Accessible After NetApp Cluster Power OutageThu, 19 Feb 2026
- ONTAP SAN SnapMirror Active sync causes network outage with MTU fragmentationMon, 16 Feb 2026
- What methods are available to check if there is an active session to each LUN in ONTAP?Mon, 16 Feb 2026
- Which subnet configuration is recommended for iSCSI direct-attached setups?Mon, 16 Feb 2026
- Is there a queue‑depth limit for iSCSI LUN?Sun, 15 Feb 2026
- What is the LUN prefix for OnTap LUNsFri, 13 Feb 2026
- How to manage iSCSI initiator on ONTAP in ONTAP igroupsTue, 10 Feb 2026
- Brocade G720 Switch causing abnormal noise due to high Fan RPMMon, 09 Feb 2026
- "Activation Key entered has been canceled and is no longer valid." error on BrocadeWed, 04 Mar 2026
- Alias name for NetApp LUN is missing in multipath -ll output on Linux hostMon, 02 Mar 2026
- vCenter reported a vim fault InvalidLogin errorMon, 02 Mar 2026
- Can a Initiator be part of multiple Igroups?Mon, 02 Mar 2026
- Newly installed FC adapters show as hard OFFLINEMon, 02 Mar 2026
- iSCSI Connections Randomly Dropped in Multi-Network Linux SetupFri, 27 Feb 2026
- iSCSI Port administratively down after ESXi reboot in Direct-Attached SAN configFri, 27 Feb 2026
- LUN path visibility issue in Windows Server 2022 after performing takeover or givebackFri, 27 Feb 2026
- Is the multipath.conf file expected to be empty after installing ONTAP SAN Host Utilities?Fri, 27 Feb 2026
- ANDU Ontap upgrade paused on node due to out of sync test SMBC relationships on source clusterThu, 26 Feb 2026
- ASA r2 A90 cluster causes Veritas daemon crash when Lun is mapped on Solaris hostWed, 25 Feb 2026
- Vendor File System in a LUN is CorruptedWed, 25 Feb 2026
- Is Write IO allowed from reservation holder only or all registrants under SCSI-3 WERO reservation type?Wed, 25 Feb 2026
- SAN paths missing to destination cluster in SMas relationship after power outageTue, 24 Feb 2026
- LUN not reported from SM-as destination clusterTue, 24 Feb 2026
- Direct ISCSI does not work and pings failTue, 24 Feb 2026
- LUN Offline Due to Full Volume on Windows HostTue, 24 Feb 2026
- Windows HUK installation displays message "No update to settings"Mon, 23 Feb 2026
- FC initiators not logged into LIF after ONTAP upgradeFri, 20 Feb 2026
- High Latency and SCSI Aborts while accessing SAN LUNs on ESXiFri, 20 Feb 2026
- Multiple LUN Provisioning made so simple | ONTAP System Manager 9.7
- Selective LUN mapping
- How to match a LUN's NAA number to its serial number
- Space utilization in a SAN environment - Space reclamation
- Space utilization in a SAN environment - Sizing scenarios
- Space utilization in a SAN environment - Fractional reserve
- Space utilization in a SAN environment - Snap Auto delete and Vol Auto grow
- Space utilization in a SAN environment - Snapshot space consumption examples and illustrations
- Space utilization in a SAN environment - WAFL/RAID and snapshot overview
- How to set up and connect LUNs on a Windows host without using SnapDrive
- How to collect a supportsave from a Brocade switch
- How to set up iSCSI MPIO on Windows Server 2008 using Microsoft multipathing