Date: Tue, 03 Jun 2003 10:36:34 -0400 From: Chuck Swiger <cswiger@mac.com> Cc: freebsd-questions@freebsd.org Subject: Re: Upgrading a live server with rdist Message-ID: <3EDCB272.1080506@mac.com> In-Reply-To: <20030603082709.B77677-100000@gwdu60.gwdg.de> References: <20030603082709.B77677-100000@gwdu60.gwdg.de>
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Konrad Heuer wrote: [ ... ] > As far as I see there is little chance to do this without carefully > restarting all processes, e.g. by shutting down into single user mode and > returning to multi user mode. It is advisable to switch into single-user mode when updating the system files, agreed. > If you replace program files and shared libraries used by currently > running processes, this will cause the corresponding processes to be > aborted abnormally in case of page fault requiring a page-in from the > program files or shared libraries. Generally not; the system doesn't delete files that are in use even if you overwrite those files: it hangs on to the inode and won't free the space until nobody needs that file. -- -Chuck
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