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make-bcache(8)                       System Manager's Manual                       make-bcache(8)

NAME
       make-bcache - create a cache device

SYNOPSIS
       make-bcache [ -U UUID ] [ -b bucket-size ] device

OPTIONS
       -C     Create a cache

       -B     Create a backing device (kernel functionality not yet implemented)

       -U UUID
              Create a cache device with the specified UUID

       -b bucket-size
              Specifies  the  bucket size. Allocation is done in terms of buckets, and cache hits
              are counted per bucket; thus a smaller bucket size will give better cache  utiliza‚Äź
              tion,  but poorer write performance. The bucket size is intended to be equal to the
              size of your SSD's erase blocks, which seems to be 128k-512k for most SSDs. Must be
              a power of two; accepts human readable units. Defaults to 128k.

                                                                                   make-bcache(8)

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