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When SUSE Linux Enterprise Server 15 SP4 kernel version 5.14.21-150400.24.60.1 (or earlier) or SUSE Linux Enterprise Server 15 SP5/SP6/sp7 is booted on a hardware iSCSI boot-from-san configuration with HPE Alletra storage, only a single path of the multipath connection may be detected initially. Both iSCSI ports will be logged into the target but only one connection will report LUNs attached.This can be observed by running the commands "multipath -ll" or "iscsiadm -m sessions".If the iscsi targets are rescanned, the additional paths will be restored: "iscsiadm -m sessions --rescan"
Any HPE Synergy Gen10, HPE Synergy Gen10 Plus, or HPE Synergy Gen11 compute module with hardware iSCSI boot-from-san in SUSE Linux Enterprise Server 15 SP5 using the HPE Synergy 6820C 25/50Gb Converged Network Adapter or HPE Synergy 4820C 10/20/25Gb Converged Network Adapter when using HPE Alletra storage in a hardware boot-from-san configuration with SUSE Linux Enterprise Server 15 SP4 kernel version 5.14.21-150400.24.60.1 (or earlier) or SUSE Linux Enterprise Server 15 SP5/SP6/SP7.
To avoid this intermittent issue during boot, rescan the iSCSI storage by typing the following command:iscsiadm -m session --rescanThis does not occur with software iSCSI boot.This is targeted to be resolved in a future SLES 15 release. This advisory will be updated when additional information is available.Document VersionRelease DateDetails2October 15, 2025Added SUSE Linux Enterprise Server 15 SP7 as affected.1August 7, 2023Original Document Release.
Operating Systems Affected:SUSE Linux Enterprise Server 15
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