Reasons to delete Snapshot copies

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Delete older Snapshot copies to free space on the storage system volume, or to keep fewer Snapshot copies.

You might delete older Snapshot copies for the following reasons:

  • To keep fewer stored Snapshot copies than the hard limit of 255 on a storage system volume. Once it reaches the limit, attempts to create new Snapshot copies fail.

  • To free space on the storage system volume. Even before the Snapshot copy reaches the limit, a Snapshot copy fails if the disk does not have enough reserved space for it.

  • You can also use the wildcard (*) character in Snapshot copy names. The Snapshot show operation enables you to use the wildcard character to show all Snapshot copy names that match a certain pattern. The following rules apply to using wildcard in Snapshot copy names:

    • You can use a wildcard at the end of the name only. You cannot use the wildcard at the beginning or the middle of a Snapshot copy name.

    • You cannot use the wildcard in the storage system or storage system volume fields of a Snapshot copy name.