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Quantum 6-01658-05 manual Performing Stripe Group Movement

Models: 6-01658-05

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Chapter 6 Managing the File System

Performing Stripe Group Movement

9Click Next to complete the process.

10After the status screen informs you that the expansion was completed successfully, click Finish to exit the wizard.

Performing Stripe Group Movement

The time it takes to complete the Stripe Group Movement process depends on the amount of data being moved between source and target stripe groups. When moving a data stripe group, the file system continues to run during the movement process. StorNext does not block any new read/write requests, or block updates to existing files on the source stripe group. All operations (including metadata operations) are handled normally, but no new writes are allowed to the source stripe group, which will be marked read-only.

Although the Movement Wizard focuses primarily on data movement, you can also move metadata stripe groups. You can move a metadata stripe group to a new stripe group of the same or greater capacity as the original metadata stripe group. However, during metadata stripe group movement the file system must be down, and no new read/write operations can occur until all metadata has been transferred and the file system is restarted. The exact amount of downtime is based on the disk size.

Note: When moving a metadata stripe group, the Movement Wizard shuts down the file system. Depending on the number and size of files in your system configuration, metadata movement could take a long time, so plan accordingly.

After data movement is complete, you must mark the source stripe group as “down.”

For movement purposes, StorNext treats metadata and journal stripe groups the same way, so it doesn’t matter whether the stripe group you want to move is a metadata stripe group, a journal stripe group, or a combined metadata and journal stripe group. The only caveat is that stripe groups used for metadata/journal move cannot contain data.

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Quantum 6-01658-05 manual Performing Stripe Group Movement
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6-01658-05 specifications

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