VxVM vxdmp V-5-3-1700 dmpnode 5/0x0 has migrated from enclosure FAKE ENCLR SNO to enclosure DISKS

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This article explains what the VxVM vxdmp V-5-3-1700 notice means during system startup.


Early during HP-UX booting process of a system using VxVM 4.1 or 5.0.1, the following message is displayed:

Starting vxconfigd in boot mode (pre_init_rc).
NOTICE: VxVM vxdmp V-5-0-34 added disk array DISKS, datype = Disk
NOTICE: VxVM vxdmp V-5-3-1700 dmpnode 5/0x0 has migrated from enclosure FAKE_ENCLR_SNO to enclosure DISKS


This is a normal notification.

According to the VxVM 4.1 Release Notes and still valid for VxVM 5.0.1 (VERITAS Storage Foundation™ 4.1 - Release Notes - Solaris - Maintenance Pack 1, page 42):

Initially, the boot disk is marked as FAKE array type. If the boot disk was not excluded from VxVM then the boot disk will migrate to the correct enclosure type depending on discovery and the FAKE array type is deleted from it. In the case where boot disk is excluded from VxVM, the disk does not migrate. The FAKE array still has a disk, it can not be deleted and so the FAKE_ARRAY enclosure type status is still visible to the user.
This is by design.

The notification explains a normal transition that is done from the FAKE_ARRAY enclosure types, that is assumed by default for the boot disk to the standard enclosure type DISKS used when no DDL matches the enclosure type of the dmpnode.

NOTE: On systems attached to external storage were a custom DDL is available to VxVM to identified and operate the enclosure, the message could change slightly when the non bootable disks are transitioned from the default DISKS to the corresponding enclosure type

For example:

NOTICE: VxVM vxdmp V-5-3-1700 dmpnode 3/0xfe0 has migrated from enclosure DISKS to enclosure 071D8

This notification will repeat for each LUN (dmpnode) of the type that is transitioned.

After the system completed the startup process, the available enclosure type(s) can be verified using the vxdmpadm command.

# vxdmpadm listenclosure all
XP10K-12K0        XP10K-12K      071D8          CONNECTED    A/A