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Werk #12641: dell_compellent_disks: introduce unique item description

Component Checks & Agents
Title dell_compellent_disks: introduce unique item description
Date Mar 22, 2021
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.1.0i1 2.0.0p2 1.6.0p23
Level Trivial Change
Class Bug Fix
Compatibility Incompatible - Manual interaction might be required

The service description for Dell compellent storage disks contained the internal disk number, which unfortunately can change between multiple SNMP-requests. As a result the mapping of disks to services could change and one single disk health status could be reported to changing services. The service description was changed to use the "DELL-STORAGE-SC-MIB::scDiskNamePosition", which contains the enclosure number and the disk number. This scDiskNamePosition will remain stable across multiple SNMP-requests. All services of this plugin must be rediscovered.

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