Term
| In a Centera, what is the importance of Locality of Reference |
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Definition
| LoR – results in high probability of a cache hit which results in much faster response time |
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Term
| In a Centera, how can you prevent "suicide"? |
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Definition
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Term
| In a Centera, what is an application profile? |
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Definition
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Term
| In a Centera, the operating system that runs on each node is called? |
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Definition
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Term
| In a Centera, since access nodes and storage nodes are physically the same, how do the access nodes utilize their extra disk space? |
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Definition
| It doesn’t. Excess disk space on an access node is not utilized. It may be used as storage in future versions. |
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Term
| In a Centera, what is the minimum number of access nodes? |
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Definition
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Term
| In a Centera, what does CXXNYY refer to? |
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Definition
| Cabinet number and Node number |
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Term
| In a Centera, what is the maximum number of access and storage nodes? |
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Definition
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Term
| In a Centera, approximately how much storage is on each node? |
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Definition
| 1 terabyte (4 – 500 GIG IDE drives) |
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Term
| In a Centera, CDF removal must be initiated __ ___ _________. |
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Definition
| In a Centera, CDF removal must be initiated by the application. |
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Term
| In a Centera, a BLOB is removed only after all CDFs which reference it have been removed. The actual removal of the BLOB is handled automatically by the Centera _______ _______ _______. |
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Definition
| In a Centera, a BLOB is removed only after all CDFs which reference it have been removed. The actual removal of the BLOB is handled automatically by the Centera garbage collection thread. |
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Term
| In a Centera with single instance storage, ________ ____ can reference a single blob. Each CDF can have a __________ retention period as well. |
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Definition
| In a Centera with single instance storage, multiple CDFs can reference a single blob. Each CDF can have a different retention period as well. |
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Term
| In a Centera, the C-Clip Descriptor File (CDF) is an XML file that contains the ________ _________ for all BLOB reference, as well as the assocated ________. |
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Definition
| In a Centera, the C-Clip Descriptor File (CDF) is an XML file that contains the content address for all BLOB reference, as well as the assocated metadata. |
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Term
| In a Centera, the combination of the BLOB and the CDF is referred to as the ______. |
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Definition
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Term
| The BLOB is a _______ ____ _______ of the user data. |
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Definition
| The BLOB is a Distinct Bit Sequence of the user data. |
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Term
| In a Centera, data is saved as a ______. |
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Definition
| In a Centera, data is saved as a BLOB. |
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Term
| In a Centera, storage nodes _____, ______, and _______ information. |
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Definition
| In a Centera storage nodes store, protect, and validate information. |
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Term
| In a Centera, access nodes provide _______ ________ ________ . |
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Definition
| In a Centera, access nodes provide application server access?. |
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Term
| Name the 3 versions (editions) of a Centera and their features. |
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Definition
Standard Edition - objects can be deleted
Compliance Edition - Objects can be deleted only if their retention period is 0.
Compliance Edition Plus - Objects cannot be deleted until their retention period is 0.Dail-in and CLI are disabled. Default retention is infinity. |
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Term
| What does CCRF stand for in a Centera? |
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Definition
| Centera Change Request Form contains all configuration information necessary to complete a successful installation. |
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Term
| What are three login types for the Centera? |
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Definition
dev
sys
service
root (Belgium only) |
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