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Annotation of 43BSDTahoe/man/man4/drum.4, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1980 Regents of the University of California.
                      2: .\" All rights reserved.  The Berkeley software License Agreement
                      3: .\" specifies the terms and conditions for redistribution.
                      4: .\"
                      5: .\"    @(#)drum.4      6.1 (Berkeley) 5/15/85
                      6: .\"
                      7: .TH DRUM 4 "May 15, 1985"
                      8: .UC 4
                      9: .SH NAME
                     10: drum \- paging device
                     11: .SH DESCRIPTION
                     12: This file refers to the paging device in use by the system.
                     13: This may actually be a subdevice of one of the disk drivers, but in
                     14: a system with paging interleaved across multiple disk drives
                     15: it provides an indirect driver for the multiple drives.
                     16: .SH FILES
                     17: /dev/drum
                     18: .SH BUGS
                     19: Reads from the drum are not allowed across the interleaving boundaries.
                     20: Since these only occur every
                     21: .BR . 5Mbytes
                     22: or so,
                     23: and since the system never allocates blocks across the boundary,
                     24: this is usually not a problem.

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