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Document the optimal block:fragment ratio, per discussion

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on -arch and cvs-all.

Reviewed by:	dillon
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Doug Barton 2001-10-15 22:47:55 +00:00
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@ -111,6 +111,9 @@ for more details on how to set this option.
.It Fl b Ar block-size
The block size of the file system, in bytes. It must be a power of 2. The
default size is 8192 bytes, and the smallest allowable size is 4096 bytes.
The optimal block:fragment ratio is 8:1.
Other ratios are possible, but are not recommended,
and may produce unpredictable results.
.It Fl c Ar #cylinders/group
The number of cylinders per cylinder group in a file system. The default
is to compute the maximum allowed by the other parameters. This value is