Werk #20027: dell_idrac_disks, dell_idrac_virtdisks: do not crash on disks with empty name

Component	Checks & agents
Title	dell_idrac_disks, dell_idrac_virtdisks: do not crash on disks with empty name
Date	May 26, 2026
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.6.0b1 Not yet released Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.5.0p6 Not yet released Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.4.0p32 Not yet released Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT

The IDRAC MIB allows physical and virtual disks to report an empty physicalDiskName / virtualDiskName. The discovery functions of dell_idrac_disks and dell_idrac_virtdisks used this name as the service item without checking, and crashed when the MIB returned an empty value because Service rejects an empty item.

Discovery now skips disks with an empty name. Such disks remain unmonitored until a follow-up change moves these plugins to index-based service items.

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