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
- ONTAP iSCSI LUN experiences All Paths Down or single path state during node rebootMon, 07 Sep 2026
- DEV_LATENCY_IMPACT errors on Brocade ISL ports causing ESX I/O impactWed, 02 Sep 2026
- iSCSI LUN Space Error Status Despite Available LUN CapacityWed, 02 Sep 2026
- LUNs inaccessible during node migrationMon, 31 Aug 2026
- LUNs inaccessible or not mounted on ESXi after host decommission on NetApp AFF-A400Mon, 31 Aug 2026
- FC LUNs Flapping (Going Offline and Online) on Solaris HostsMon, 31 Aug 2026
- VMware Database Corruption During High I/O with SnapMirror Active SyncFri, 28 Aug 2026
- ONTAP SAN new NVMe/TCP connections get refused when software limit exceededFri, 28 Aug 2026
- Intermittent SCSI Transport Failed Messages in FC EnvironmentFri, 28 Aug 2026
- Windows Server 2025 with ReFS iSCSI LUNs crashes during Veeam Synthetic Backup JobsWed, 26 Aug 2026
- HA Group Notification (FCPSRAMDUMP) Error on FC PortTue, 25 Aug 2026
- ONTAP SAN outage after memory failureFri, 21 Aug 2026
- Why does Windows assign non-sequential disk numbers to newly presented NetApp LUNs?Fri, 21 Aug 2026
- Windows SAN Host Loses FC LUN Visibility All Paths Affected Simultaneously on NetApp ONTAPThu, 20 Aug 2026
- ESXi NVMe/TCP datastores become unavailable when destination paths are not discovered during ONTAP volume move cutoverWed, 19 Aug 2026
- Can NetApp Windows Host Utilities and Dell PowerPath be installed on the same server?Wed, 19 Aug 2026
- Repeated IO retries on ONTAP FC LUN backed Windows diskWed, 19 Aug 2026
- Microsoft SQL on ONTAP FC LUNs reports misaligned log IOsWed, 19 Aug 2026
- Host Utilities 8.0 fails to install on Oracle Linux 8 due to libHBAAPI dependencyWed, 19 Aug 2026
- Intermittent VMware storage disconnects over Fibre ChannelTue, 18 Aug 2026
- ONTAP iSCSI LUN experiences All Paths Down or single path state during node rebootMon, 07 Sep 2026
- Windows Server 2025 with ReFS iSCSI LUNs crashes during Veeam Synthetic Backup JobsThu, 03 Sep 2026
- DEV_LATENCY_IMPACT errors on Brocade ISL ports causing ESX I/O impactWed, 02 Sep 2026
- iSCSI LUN Space Error Status Despite Available LUN CapacityWed, 02 Sep 2026
- How to enable or disable SAN FCP Persistent ports feature on DATA ONTAP 9.8 ASA platformTue, 01 Sep 2026
- LUNs inaccessible during node migrationMon, 31 Aug 2026
- LUNs inaccessible or not mounted on ESXi after host decommission on NetApp AFF-A400Mon, 31 Aug 2026
- FC LUNs Flapping (Going Offline and Online) on Solaris HostsMon, 31 Aug 2026
- Linux Host Recommendations for NVMe/FC protocol support with NetApp MetroCluster IPMon, 31 Aug 2026
- VMware Database Corruption During High I/O with SnapMirror Active SyncFri, 28 Aug 2026
- ONTAP SAN new NVMe/TCP connections get refused when software limit exceededFri, 28 Aug 2026
- Intermittent SCSI Transport Failed Messages in FC EnvironmentFri, 28 Aug 2026
- ONTAP thin LUN with VMWare does not auto reclaim spaceThu, 27 Aug 2026
- Brocade FC switch defIT_RES_USAGE_P_90 MAPS alertThu, 27 Aug 2026
- Can FC initiators direct attach to ONTAP systems?Thu, 27 Aug 2026
- Which platforms support FC direct-attached configuraton starting with ONTAP 9.19.1Thu, 27 Aug 2026
- Initiators exist in initiator show after removal from igroupWed, 26 Aug 2026
- Cannot connect more NVMe/TCP hostsTue, 25 Aug 2026
- HA Group Notification (FCPSRAMDUMP) Error on FC PortTue, 25 Aug 2026
- WQE failure in EMS with extended status 0x16 frequently occurringTue, 25 Aug 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