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HUAWEI CLOUD Stack 6.5.0 Troubleshooting Guide 02

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File System Partition in the /opt/paas/run Directory Where etcd of the Database Node Resides

File System Partition in the /opt/paas/run Directory Where etcd of the Database Node Resides

Symptom

After the database node is powered off, the file system partition in the /opt/paas/run directory where etcd resides is lost.

Run the following command in the system maintenance mode to view the logical volume information to query the file system partition status:

lvs

The command output shown in the following figure indicates that the file system partition in the /opt/paas/run directory where etcd resides is lost.

Troubleshooting Method

  1. If the system cannot be started and the information shown in the following figure is displayed, enter the password of the root user to go to the maintenance mode.

  2. Run the following commands to restore the etcd file system partition. The /dev/vdb disk allocated to the etcd file system partition is used as an example here. Replace it as required.

    vgcreate etcd_vg /dev/vdb

    lvcreate -L 49.90 etcd_vg -n vol_opt_paas_run

    lvscan

    mkfs.ext4 /dev/mapper/etcd_vg-vol_opt_paas_run

  3. Run the following command to query the UUID of the etcd file system partition /dev/mapper/etcd_vg-vol_opt_paas_run:

    blkid

  4. Change the UUID in the /opt/paas/run directory in the partition table /etc/fstab as shown in the following figure to the value obtained in Run the following comman....

  5. Run the following command to restart the VM:

    reboot

  6. If the fault persists, contact technical support for assistance.

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Updated: 2019-06-01

Document ID: EDOC1100062375

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