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Exadata Virtual Platform - Issue with loop0 while creating VMs with OEDA (Doc ID 2752689.1)

Last updated on JANUARY 25, 2022

Applies to:

Oracle Exadata Storage Server Software - Version 20.1.4.0.0 and later
Information in this document applies to any platform.

Symptoms

Running into an issue while creating VMs with OEDA

e.g. from log file

Step2_Create_Virtual_Machine


2021-01-28 13:18:52,480 [INFO][  OCMDThread][       KommandOutput:212] ^[[40;31m[ERROR]^[[0m The command 'dmsetup remove /dev/mapper/loop0p1' returned with exit status 1.
2021-01-28 13:18:52,480 [INFO][  OCMDThread][       KommandOutput:212] Command standard output is ''.
2021-01-28 13:18:52,480 [INFO][  OCMDThread][       KommandOutput:212] Command error output is 'Device /dev/mapper/loop0p1 not found
2021-01-28 13:18:52,480 [INFO][  OCMDThread][       KommandOutput:212] Command failed.
2021-01-28 13:18:52,480 [INFO][  OCMDThread][       KommandOutput:212] '.
2021-01-28 13:18:52,480 [INFO][  OCMDThread][       KommandOutput:212] ^[[40;32m[INFO]^[[0m Deactivating system image loop device and volume group.
2021-01-28 13:18:52,480 [INFO][  OCMDThread][       KommandOutput:212] ^[[40;32m[INFO]^[[0m  Deactivating volume group VGExaDbDomU...
2021-01-28 13:18:52,480 [INFO][  OCMDThread][       KommandOutput:212] ^[[40;32m[INFO]^[[0m   Running 'lvm vgchange -a n VGExaDbDomU'...
2021-01-28 13:18:52,480 [INFO][  OCMDThread][       KommandOutput:212] ^[[40;32m[INFO]^[[0m Running 'vgscan --cache'...
2021-01-28 13:18:52,480 [INFO][  OCMDThread][       KommandOutput:212] ^[[40;31m[ERROR]^[[0m The command 'dmsetup remove /dev/mapper/loop0p1' returned with exit status 1.
2021-01-28 13:18:52,480 [INFO][  OCMDThread][       KommandOutput:212] Command standard output is ''.
2021-01-28 13:18:52,480 [INFO][  OCMDThread][       KommandOutput:212] Command error output is 'Device /dev/mapper/loop0p1 not found  <<<<<<
2021-01-28 13:18:52,480 [INFO][  OCMDThread][       KommandOutput:212] Command failed.

 

Changes

N/A

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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