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Figure 9.28
Disk ensemble of independent drives. Each file
is assigned to a single device. |
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Figure 9.29
Distributing a file over multiple (three) disks.
This technique, called file striping, assigns
consecutive blocks of a single file to multiple
drives. |
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Figure 9.30
Disk synchronization (ds). Multiple drives are
synchronized. Files are distributed by the byte on
the drive, so that n drives read or write n bytes
of a file simultaneously. |
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