ONTAP SAN iSCSI connection errors on AIX IBM Power
Applies to
- ONTAP
- IBM AIX 7.2
- PowerVM VIOS 3.1
- iSCSI
Issue
- During new setup AIX VG with iSCSI disk operation error observed with iSCSI software errors after ISCSI troubleshooting
- IBM AIX 7.2 PowerVM VIOS 3.1 lost paths, iSCSI network monitored and tested but still errors occur
- iSCSI Connection Errors on AIX (IBM Power) IBM best practices followed for MPIO
- Followed NetApp best practices and IBM support verified correct iSCSI Settings on IBM Systems
- Setup is not AIX on MetroCluster
Example:
# errpt |more
IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION
123 I H hdisk4 PATH HAS RECOVERED
124 T H hdisk4 DISK OPERATION ERROR
125 T H iscsi1 SOFTWARE ERROR
# lspv
hdisk0 rootvg active
hdisk1 rootvg active
hdisk2 None
hdisk3 None
hdisk4 test_vg active
# lsvg test_vg
VOLUME GROUP: sanvg VG IDENTIFIER: 156
VG STATE: active PP SIZE: 512 megabyte(s)
VG PERMISSION: read/write TOTAL PPs:
MAX LVs: 256 FREE PPs: 32 (16384 megabytes)
LVs: 38 USED PPs:
OPEN LVs: 38 QUORUM: 2 (Enabled)
TOTAL PVs: 1 VG DESCRIPTORS: 2