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Dong, Qiu Jian 86fb05065f CCE UMN for 24.2.0 version -20240428 
Reviewed-by: Eotvos, Oliver <oliver.eotvos@t-systems.com>
Co-authored-by: Dong, Qiu Jian <qiujiandong1@huawei.com>
Co-committed-by: Dong, Qiu Jian <qiujiandong1@huawei.com>
2024-06-10 08:19:07 +00:00

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Node Mounting

Check Items

Check whether the default mount directory and soft link on the node have been manually mounted or modified.

  • Non-shared disk
    • By default, /var/lib/docker, containerd, or /mnt/paas/kubernetes/kubelet is mounted to CCE nodes. Check whether /var, /var/lib, /mnt, /mnt/paas, and /mnt/paas/kubernetes have been manually mounted.
    • The soft link of /var/lib/kubelet to /mnt/paas/kubernetes/kubelet is created for CCE by default. Check whether it has been manually modified.
  • Shared disk
    • By default, /mnt/paas/ is mounted to CCE nodes. Check whether /mnt has been manually mounted.
    • The soft link of /var/lib/kubelet to /mnt/paas/kubernetes/kubelet, or /var/lib/docker or containerd to /mnt/paas/runtime is created for CCE by default. Check whether the soft links have been manually modified.

Solution

How Do I Check Whether a Disk Is Shared?

  1. Log in to the target node based on the check information.
  2. Run the lsblk command to check whether vgpaas-share is mounted to /mnt/paas. If yes, a shared disk is used.

    Figure 1 Checking whether a shared disk is used

What Can I Do If an Error Occurred in a Node Mounting Check?

  1. Cancel the manually modified mount point.
  2. Cancel the modification on the default soft link.