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From: michaelv@MindBender.HeadCandy.com (Michael L. VanLoon)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Striping Disks
Date: 18 Oct 1995 05:13:11 GMT
Organization: HeadCandy Associates... Sweets for the lobes.
Lines: 41
Distribution: world
Message-ID: <MICHAELV.95Oct17221312@MindBender.HeadCandy.com>
References: <460ogk$hnn@service2.uky.edu> <461vpt$ho8@orion.cc.andrews.edu>
NNTP-Posting-Host: mindbender.seanet.com
In-reply-to: gillham@andrews.edu's message of 18 Oct 1995 04:28:45 GMT
In article <461vpt$ho8@orion.cc.andrews.edu> gillham@andrews.edu (Andrew Gillham) writes:
In article <460ogk$hnn@service2.uky.edu> soward@pop.uky.edu writes:
>Anyone working on support for striping multiple disks into a
>larger partition. This could really increase throughput on IO
>bound machines, like inn servers, ect. Rumor has it that a Linux
>implementation is being worked on.
NetBSD has it working now. With NetBSD/i386 and the FreeBSD binary
emulation support, you should be set.
More specifically (quoted from the man page):
CCD(4) NetBSD Programmer's Manual CCD(4)
NAME
ccd - Concatenated Disk Driver
SYNOPSIS
pseudo-device ccd 4
DESCRIPTION
The ccd driver provides the capability of combining one or more
disks/partitions into one virtual disk.
[...]
A ccd may be either serially concatenated or interleaved. If a ccd is
interleaved correctly, a ``striping'' effect is achieved, which can in-
crease performance. The optimum interleave factor is typically the size
[...]
--
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Michael L. VanLoon michaelv@HeadCandy.com
--< Free your mind and your machine -- NetBSD free un*x >--
NetBSD working ports: 386+PC, Mac 68k, Amiga, HP300, Sun3, Sun4,
DEC PMAX (MIPS), DEC Alpha, PC532
NetBSD ports in progress: VAX, Atari 68k, others...
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