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Using the IBM System Storage N Series with Databases
book

Using the IBM System Storage N Series with Databases

by Alex Osuna, Arthur Li, Sanjay Adhikary, Roger E. Sanders, Mika Nikolopoulou
August 2007
Intermediate to advanced content levelIntermediate to advanced
374 pages
10h 53m
English
IBM Redbooks
Content preview from Using the IBM System Storage N Series with Databases
58 Using the IBM System Storage N Series with Databases
Capacity guarantees in FlexVol
Along with FlexVol volumes, Data ONTAP introduces the storage management concept of
guarantees. A guarantee differs from the previous management concept of space
reservations
, which is familiar to customers using the iSCSI or Fibre Channel facilities of Data
ONTAP. Guarantees extend the control by allowing administrators to set policies that
determine how much storage is actually pre allocated when volumes or files are created. This
allows administrators to effectively implement the concept of
thin provisioning. This concept
of thin provisioning enables the administrator to, in effect, oversubscribe their storage safely.
Provision your storage space once, ...
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Publisher Resources

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