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- From: kk@hpl-opus.hpl.hp.com (Konstantinos Konstantinides)
- Date: Wed, 19 Aug 1992 23:58:16 GMT
- Subject: Re: renaming client & server in a cluster
- Message-ID: <63300092@hpl-opus.hpl.hp.com>
- Organization: HP Labs, High Speed Electronics Dept., Palo Alto, CA
- Path: sparky!uunet!charon.amdahl.com!pacbell.com!mips!sdd.hp.com!hpscdc!hplextra!hpl-opus!kk
- Newsgroups: comp.sys.hp
- References: <2A9290C8.27098@orion.oac.uci.edu>
- Lines: 48
-
- In comp.sys.hp, rcaslis@anansi.acs.uci.edu (Russell Caslis) writes:
-
- >
- > I have a cluster of HPs set up here (two 710s, one 720). One 710 is the
- > server, one is a client, and the 720 is a client.
- >
- > The person who I set these machines up for wants to recieve mail at a specific
- > address which is currently assigned to a client, not the server. According
- > to what I know, the clients cannot receive mail, only the server can (great
- > design, huh?).
- >
- > So what I want to do is swap the names of the two 710s. I have been told that
- > there is no way to do this without re-installing the OS. Is there any other
- > way to do this?
- >
- >
- > --
- > Russ Caslis
- > rcaslis@uci.edu
-
- Clients CAN receive and send mail, except it is not recommended.
- One approach described in "Installing and administ. ARPA services"
- is using mail name-servers.
-
- We use something simpler. We start the sendmail daemon on a client too.
- This is what I have in /etc/netbsdsrc so that hplempel and hplvab
- (both cnodes) run the sendmail daemon.
-
- .................
- #
- # Diskless clients freeze and read a sendmail configuration file
- # with the server's hostname, and run no sendmail daemon.
- #
- /usr/lib/sendmail -oMw`cnodes -r` -bz
-
- # If it is hplempel or hplvab start also sendmail!!
-
- if [ "`hostname`" = "hplempel" -o "`hostname`" = "hplvab" ] ; then
- /usr/lib/sendmail -oMw`cnodes -m` -bz
- /usr/lib/sendmail -bd -q30m && /bin/echo "sendmail \c"
- else
- /usr/lib/sendmail -oMw`cnodes -r` -bz
- fi
-
- ........................
-
- K. Konstantinides
- kk@hpkronos.hpl.hp.com
-