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authordougb <dougb@FreeBSD.org>2001-10-15 22:47:55 +0000
committerdougb <dougb@FreeBSD.org>2001-10-15 22:47:55 +0000
commit0be9af6925b4c82398adcb15e88a32b812d519be (patch)
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parent03987a9f691e494aa2ca8bb232809cc4045d4444 (diff)
downloadFreeBSD-src-0be9af6925b4c82398adcb15e88a32b812d519be.zip
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Document the optimal block:fragment ratio, per discussion
on -arch and cvs-all. Reviewed by: dillon
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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
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