SAN KBs
SAN KBs
Featured
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
- In a two-node Oracle RAC environment ( with underlying OS as Solaris), one node reports 512-byte block size and the other reports 4K for the same ONTAP LUNWed, 28 Jan 2026
- LUN offline command fails with timeoutTue, 27 Jan 2026
- ONTAP upgrade paused due to SAN initiator not logged into remaining nodeTue, 27 Jan 2026
- What changes occur to iSCSI settings or igroup behavior when upgrading ONTAP from 9.8 to 9.12？Tue, 27 Jan 2026
- How Oracle determines sector size using VPD or OS-level reportingTue, 27 Jan 2026
- FC Port Shows “portdown” After Mode ChangeSun, 25 Jan 2026
- VMware datastore inaccessible due to expired S3 object store certification on ONTAPThu, 22 Jan 2026
- VMware Datastore Timeout on FC environment after Link Reset on Brocade SwitchWed, 21 Jan 2026
- NVMe Namespace loses Connection to VMware ClusterWed, 21 Jan 2026
- LUN creation fails due to aggregate selection constraints and insufficient spaceTue, 20 Jan 2026
- Few IOPS still can be observed from AIQUM after host disconnect and LUN unmappingTue, 20 Jan 2026
- Can TLS be used with NVMe/TCP on RHEL?Fri, 09 Jan 2026
- EMS logs shows "unexpected error: RECV_ERROR" (scsitarget.fct.linkError) due to cable/SFP issueFri, 09 Jan 2026
- ONTAP SAN how can I setup Hyper-V shared storage with NVMe-oFFri, 09 Jan 2026
- ONTAP FC port reports low Rx power even after SFP replacementThu, 01 Jan 2026
- Multipath Issues on host due to increasing CRC errors on ethernet portsThu, 01 Jan 2026
- Disk IO Errors seen with specific FC Port on SWed, 31 Dec 2025
- Invalid CA Certificate Error When Importing CA Certificate on Brocade SAN SwitchTue, 30 Dec 2025
- LUNs Not Visible on Host end after Node Decommission due to missing ISCSI sessions to the SLM reporting nodesMon, 29 Dec 2025
- How to map an existing LUN to an igroup using ONTAP System Manager GUIFri, 26 Dec 2025
- ONTAP Upgrade Paused Due to an orphaned SAN initiatorWed, 28 Jan 2026
- LUN of larger size taking longer time to be formatted in windows hostWed, 28 Jan 2026
- How Oracle determines sector size using VPD or OS-level reportingWed, 28 Jan 2026
- In a two-node Oracle RAC environment ( with underlying OS as Solaris), one node reports 512-byte block size and the other reports 4K for the same ONTAP LUNWed, 28 Jan 2026
- LUN offline command fails with timeoutTue, 27 Jan 2026
- ONTAP upgrade paused due to SAN initiator not logged into remaining nodeTue, 27 Jan 2026
- Can SANnav Call Home create a NetApp Support case?Tue, 27 Jan 2026
- What changes occur to iSCSI settings or igroup behavior when upgrading ONTAP from 9.8 to 9.12？Tue, 27 Jan 2026
- Is port-based load balancing recommended for iSCSI?Tue, 27 Jan 2026
- VMware datastore inaccessible due to expired S3 object store certification on ONTAPMon, 26 Jan 2026
- FC Port Shows “portdown” After Mode ChangeSun, 25 Jan 2026
- Invalid CA Certificate Error When Importing CA Certificate on Brocade SAN SwitchThu, 22 Jan 2026
- Unable to create LUN due to LIF requirements not being met on ASA platformThu, 22 Jan 2026
- LUN creation fails due to aggregate selection constraints and insufficient spaceThu, 22 Jan 2026
- Newly installed FC adapters show as hard OFFLINEWed, 21 Jan 2026
- VMware Datastore Timeout on FC environment after Link Reset on Brocade SwitchWed, 21 Jan 2026
- NVMe Namespace loses Connection to VMware ClusterWed, 21 Jan 2026
- Few IOPS still can be observed from AIQUM after host disconnect and LUN unmappingTue, 20 Jan 2026
- VMware Datastore Becomes Inaccessible After LUN Resize in ONTAP System Manager Due to LUN UnmappingSat, 17 Jan 2026
- Can TLS be used with NVMe/TCP on RHEL?Fri, 09 Jan 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