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doc-exports/docs/evs/umn/evs_faq_0021.html
Zaoxu, Li e87fdffbbe EVS UMN UPDATE 
Reviewed-by: Muller, Martin <martin.muller@t-systems.com>
Co-authored-by: Zaoxu, Li <lizaoxu@huawei.com>
Co-committed-by: Zaoxu, Li <lizaoxu@huawei.com>
2025-01-02 07:41:33 +00:00

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Why Do Some of My EVS Disks Not Have WWN Information?

EVS disks have two device types: VBD and SCSI. WWNs are used as the unique identifiers for SCSI EVS disks, and VBD EVS disks do not have WWNs.

You can view the WWN of a SCSI EVS disk on the management console. The details are as follows:

  • If the SCSI EVS disk is brand new, you can view the disk WWN on the disk details page.
    Figure 1 shows the query result.
    Figure 1 Queried WWN information
  • If the SCSI EVS disk was created before the WWN feature rollout, the disk WWN will fail to be obtained.

    Figure 2 shows the query result.

    Figure 2 No WWN information
Parent topic: General