Frequently Asked Questions for the Hitachi Vantara Storage Array

Can I switch between Thin Image pairs and ShadowImage pairs on the same disk?

Yes, you can switch between Thin Image pairs and ShadowImage pairs.

What is the maximum number of snapshots created for Hitachi Vantara USP volumes?

The maximum number of snapshots created for a Hitachi Vantara USP volume is 3.

Can I reuse a deleted ShadowImage pair?

Yes, you can reuse a deleted ShadowImage pair.

Why are S-VOL devices labeled BLANK after deleting a pair?

The Raidcom command doesn’t provide an option to rename an logical device (LDEV) with no name. If a job picks an S-VOL device with no name, the S-VOL device is renamed as “BLANK” when the job is aged and snapshots are deleted.

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