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Managed System for SAN Storage Agent User's Guide


Data Coexistence

Storage pool volumes created using the ACSLS library type cannot be accessed using the EXTERNAL library type, but the two library types can coexist on the same STK library. Even though ACSLS and EXTERNAL data coexistence is not recommended, coexistence might provide a temporary solution during the migration for certain environments, such as, large amounts of legacy ACSLS data and very small migration time-windows. Allowing ACSLS and EXTERNAL library types to coexist requires that tape drives within the library be partitioned. The ACSLS library type requires at least one dedicated tape drive. If you choose to have data coexist, either temporarily or long-term, be sure to implement the following in your environment set-up:


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