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

ONTAP iSCSI SAN deployment IQN mismatchThu, 02 May 2024
VMware datastore is not accessible with zero sizeWed, 01 May 2024
EMS reports scsiblade.lun.ids.change:errorWed, 01 May 2024
san.initiator.login.missing events reported post Ontap upgradeTue, 30 Apr 2024
Warning in Pre-Upgrade check due to presence of user-defined TPGsFri, 26 Apr 2024
Thinly Provisioned LUN is not reclaiming free spaceThu, 25 Apr 2024
FCP/FCoE LIF reports operationally down due to Faulty switch SFPThu, 18 Apr 2024
Path redundancy degraded alerts on ESXi host due to faulty host sfp on switchTue, 16 Apr 2024
ESXi host iSCSI datastore paths down due to duplicate server IPThu, 11 Apr 2024
Can we map a lun to multiple ESXi host in different cluster managed by same vCenterMon, 08 Apr 2024
What is the impact of selecting the incorrect LUN format in ONTAP?Thu, 04 Apr 2024
Existing LUN not displaying expected number of paths on the hostFri, 29 Mar 2024
What are the recommended multipathing settings for Oracle Linux with ONTAP?Thu, 28 Mar 2024
LUN is not visible on storage end due to its deletionWed, 27 Mar 2024
Link Break on Multiple FC Target Adapters Due to Brocade Switch RebootTue, 26 Mar 2024
"No suitable storage can be found" error seen when creating LUN from GUIMon, 18 Mar 2024
NVMe LUNs are not presenting to vmware hosts after hardware moveMon, 18 Mar 2024
Why does used size of lun show different than used size from lun host ?Sun, 17 Mar 2024
Initiators exist in initiator show after removal from igroupFri, 15 Mar 2024
ONTAP SAN FC port with 500 initiator logins LIF reports waiting for linkFri, 15 Mar 2024

RHEL Host showing different lun size compared to the actual size of the lun on the storage endSun, 12 May 2024
EMS reports scsiblade.lun.ids.change:errorWed, 08 May 2024
Server is unable to SANboot from a NetApp lunThu, 02 May 2024
ONTAP iSCSI SAN deployment IQN mismatchThu, 02 May 2024
VMware datastore is not accessible with zero sizeWed, 01 May 2024
san.initiator.login.missing events reported post Ontap upgradeTue, 30 Apr 2024
FlexVol with a LUN is nearly full but the LUN size is much less than the size of the volumeTue, 30 Apr 2024
SQL databases crash following NDU with no lun lossFri, 26 Apr 2024
ONTAP SAN FC port with 500 initiator logins LIF reports waiting for linkFri, 26 Apr 2024
Warning in Pre-Upgrade check due to presence of user-defined TPGsFri, 26 Apr 2024
Thinly Provisioned LUN is not reclaiming free spaceThu, 25 Apr 2024
Why can't we enable automatic failover for ISCSI SAN lifs?Thu, 25 Apr 2024
ESXi host iSCSI datastore paths down due to duplicate server IPMon, 22 Apr 2024
FC target adapter link not connectedThu, 18 Apr 2024
FCP/FCoE LIF reports operationally down due to Faulty switch SFPThu, 18 Apr 2024
Can we map a lun to multiple ESXi host in different cluster managed by same vCenterWed, 17 Apr 2024
Path redundancy degraded alerts on ESXi host due to faulty host sfp on switchTue, 16 Apr 2024
EMS message 'fcp.io.status: Ext_Status 0x1d' occurring due to faulty host end SFPTue, 16 Apr 2024
Can map a LUN to different clients simultaneously?Mon, 15 Apr 2024
What is the proper configuration for a volume containing a LUN?Thu, 11 Apr 2024