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For example, the first 256 sectors may be stored on the first disk, the |
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For example, the first 256 sectors may be stored on the first disk, the |
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next 256 sectors on the next disk and so on. After filling the last |
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next 256 sectors on the next disk and so on. After filling the last |
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disk, the process repeats until the disks are full. This mapping is called |
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disk, the process repeats until the disks are full. This mapping is called |
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<emphasis>striping</emphasis> or <acronym>RAID-0</acronym>. |
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<emphasis>striping</emphasis> or <acronym>RAID-0</acronym> |
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<footnote> |
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<footnote> |
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<indexterm> |
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<indexterm> |
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<para><acronym>RAID</acronym> stands for <emphasis>Redundant Array of |
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<para><acronym>RAID</acronym> stands for <emphasis>Redundant Array of |
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Inexpensive Disks</emphasis> and offers various forms of fault tolerance, |
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Inexpensive Disks</emphasis> and offers various forms of fault tolerance, |
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though the latter term is somewhat misleading: it provides no redundancy.</para> |
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though the latter term is somewhat misleading: it provides no redundancy.</para> |
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</footnote> |
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</footnote>. |
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Striping requires somewhat more effort to locate the data, and it can cause |
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Striping requires somewhat more effort to locate the data, and it can cause |
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additional I/O load where a transfer is spread over multiple disks, but it |
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additional I/O load where a transfer is spread over multiple disks, but it |