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Date:      Tue, 30 Jun 1998 16:19:05 +0930
From:      Greg Lehey <grog@lemis.com>
To:        Doug Lo <jwlo@ms11.hinet.net>, freebsd-questions@FreeBSD.ORG
Subject:   Re: How do I add swap spaces?
Message-ID:  <19980630161905.Y1880@freebie.lemis.com>
In-Reply-To: <35988061.F332B89F@ms11.hinet.net>; from Doug Lo on Tue, Jun 30, 1998 at 02:06:25PM %2B0800
References:  <35988061.F332B89F@ms11.hinet.net>

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On Tuesday, 30 June 1998 at 14:06:25 +0800, Doug Lo wrote:
> Folks,
> 
> I have many times to get "swap out_of_memory" messages, so I want to
> add swap spaces, would anyone tell me how to do, thanks.

Find yourself an unused disk slice and add it with swapon.
Traditionally swap slices are slice b.  For example, if you can create
a slice /dev/sd3b, you could then do:

 # swapon /dev/sd3b

Check with pstat -s:

 # pstat -s
 Device      1024-blocks     Used    Avail Capacity  Type
 /dev/wd0s1b       51200    48272     2800    95%    Interleaved
 /dev/sd3b        204800   140832    63840    69%    Interleaved
 Total            255744   189104    66640    74%

To mount on boot, just put it into /etc/fstab:

/dev/sd3b			none		swap	sw 0 0

Greg
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