Wei, Hongmin 0d1ba8215b SFS UMN initial version

Reviewed-by: gtema <artem.goncharov@gmail.com>
Co-authored-by: Wei, Hongmin <weihongmin1@huawei.com>
Co-committed-by: Wei, Hongmin <weihongmin1@huawei.com>

2022-11-02 12:40:18 +00:00

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Migrating Data Between an SFS Capacity-Oriented File System and an SFS Turbo File System

Context

You can migrate data from an SFS Capacity-Oriented file system to an SFS Turbo file system or the other way around.

This solution creates a Linux ECS to connect an SFS Capacity-Oriented file system with an SFS Turbo file system.

Limitations and Constraints

Only ECSs running Linux can be used for data migration.
The Linux ECS, SFS Capacity-Oriented file system, and SFS Turbo file system must be in the same VPC.

Prerequisites

You have created a Linux ECS.
You have created an SFS Capacity-Oriented file system and an SFS Turbo file system and have obtained their mount points.

Procedure

Log in to the ECS management console.
Log in to the created Linux ECS that can access SFS Capacity-Oriented and SFS Turbo file systems.
Run the following command to mount file system 1 (either the SFS Capacity-Oriented or SFS Turbo file system). After that, you can access file system 1 on the Linux ECS.
```
mount -t nfs -o vers=3,timeo=600,noresvport,nolock [Mount point of file system 1] /mnt/src
```
Run the following command to mount file system 2 (the other system that you have not mounted in the previous step). After that, you can access file system 2 on the Linux ECS.
```
mount -t nfs -o vers=3,timeo=600,noresvport,nolock [Mount point of file system 2] /mnt/dst
```

Run the following command on the Linux ECS to install the rclone tool:

wget https://downloads.rclone.org/v1.53.4/rclone-v1.53.4-linux-amd64.zip --no-check-certificate
unzip rclone-v1.53.4-linux-amd64.zip
chmod 0755 ./rclone-*/rclone
cp ./rclone-*/rclone /usr/bin/
rm -rf ./rclone-*

Run the following command to synchronize data:
```
rclone copy /mnt/src /mnt/dst -P --transfers 32 --checkers 64
```
The parameters are described as follows. Set transfers and checkers based on the system specifications.
- transfers: number of files that can be transferred concurrently
- checkers: number of files that can be scanned concurrently
- P: data copy progress
After data synchronization is complete, go to the target file system to check whether the migration is successful.

Parent topic: Data Migration

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