Maximize the Green Benefits of Domino Attachment and Object Service (DAOS) for Notes and Domino 8.5

Erin Dame, advisory software engineer, IBM


December, 2008

Domino Attachment and Object Service (DAOS), new in Notes and Domino 8.5 manages a shared repository of referenced objects on disk, saving significant disk space and reducing I/O and time to compact, among other benefits. The referenced objects that DAOS manages in its initial release are document attachments. Learn how DAOS reduces or eliminates duplicate attached files within a single Notes Storage Facility (NSF) file or across multiple NSF files on the same server. Find out how to optimize DAOS for Notes mail, and discover how to enable older NSFs now running on 8.5 to take advantage of DAOS.

Administrators using IBM Lotus Notes and Domino 8.5 can reduce storage-related costs, input/output (I/O) processing, and time to compact by taking advantage of the new Domino Attachment and Object Service (DAOS). DAOS replaces the single-copy object store (SCOS) feature of previous releases by managing a shared repository of referenced objects on disk. The first release of DAOS handles document attachments and reduces or eliminates duplicate attached files within a single Notes Storage Facility (NSF) file or across multiple NSF files on the same server. Also, older NSF files can take advantage of DAOS if you compact them first.
I’ll explore in detail the benefits you get from DAOS; I’ll then introduce you to how DAOS works. Then I’ll help you to get started with this green tool by showing you how to maximize its benefits for yourself and for your Notes and Domino users.

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