Date: Fri, 7 Jan 2005 01:43:48 -0800 (PST) From: Arne "Wörner" <arne_woerner@yahoo.com> To: Barath S <barath_yes@yahoo.com.sg>, FreeBsd-MailGrp <freebsd-fs@freebsd.org> Subject: Re: using mfs of size > 64Mb and system stability Message-ID: <20050107094348.42610.qmail@web41201.mail.yahoo.com> In-Reply-To: <20050107093029.43306.qmail@web30306.mail.mud.yahoo.com>
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--- Barath S <barath_yes@yahoo.com.sg> wrote: > My intention is create a file system in memory of size > > 128Mb and use that for my application. But, I > couldn't do that as my system hangs whenever I create > a mfs of size > 64Mb. I did the following... > > a) Configured memory file system of size 128Mb using > 'mdmfs' command with 'malloc' option. When I tried to > copy files to this mfs, m/c hanged after copying some > files. > b) Then I rebooted by m/c and configured memory file > system of size 64Mb and this time the copying > operation was successful > c) I observed that the system hanged whenever I > configure a mfs of size > 64Mb and used that mfs > > a) Can someone provide me hints on what could be the > problem ? > I use R5.3. According to the man page mdconfig(8) a md of type malloc should use "-o reserve", if it is large and to be "filled" (I think the man page means "filled quickly"): "If the -o reserve option is not set, creating and filling a large malloc-backed memory disk is a very easy way to panic a system." Maybe that helps? Did you try type "swap"? -Arne __________________________________ Do you Yahoo!? The all-new My Yahoo! - Get yours free! http://my.yahoo.com
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