42 lines
2.1 KiB
Plaintext
42 lines
2.1 KiB
Plaintext
The upgrade to NetBSD _VER is a binary upgrade; it would be prohibitive
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to make users upgrade by compiling and installing the _VER sources, and
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it would be very difficult to even compile a set of instructions that
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allowed them to do so. Because of the many changes to the system, it
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is difficult and impractical to upgrade by recompiling from the sources
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and installing.
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Since upgrading involves replacing the boot blocks on your NetBSD
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partition, the kernel, and most of the system binaries, it has the
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potential to cause data loss. You are strongly advised to BACK UP ANY
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IMPORTANT DATA ON YOUR DISK, whether on the NetBSD partition or on
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another operating system's partition, before beginning the upgrade
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process.
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The upgrade is done entirely `by hand.' You will need first to boot
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the new boot floppy or INSTALL kernel and use /usr/mdec/install to
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install new boot blocks. Then you may extract a new kernel and the
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distribution sets as described in section 5 of the installation
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instructions.
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After this point your machine is a complete NetBSD _VER system.
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However, that doesn't mean that you're finished with the upgrade
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process. You will probably want to update the set of device nodes
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you have in /dev. If you've changed the contents of /dev by hand,
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you will need to be careful about this, but if not, you can just
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cd into /dev, and run the command "sh ./MAKEDEV all".
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You must also deal with certain changes in the formats of some of
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the configuration files. The most notable change is that we now
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have an /etc/rc.conf file which describes most configuration options,
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but also the "options" given to many of the file systems in /etc/fstab
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or by hand have changed, and some of the file systems have changed
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names. To find out what the new options are, it's suggested that
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you read the manual page for the file systems' mount commands, for
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example mount_nfs(8) for NFS.
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Finally, you will want to delete old binaries that were part of
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the version of NetBSD that you upgraded from and have since been
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removed from the NetBSD distribution. Especially important, if you
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use NFS, is removing /sbin/nfsd and /sbin/nfsiod; the new versions
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of these programs are in /usr/sbin.
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