[OpenAFS] Help - Failed to load AFS client

Nathan Neulinger nneul@umr.edu
03 Nov 2002 17:23:54 -0600


On Sun, 2002-11-03 at 17:09, Charles Clancy wrote:
> > Well, I MAY be behind a firewall or NAT gateway -- NAT gateway is probably
> > more likely I guess.  Is there any way I can check?
> 
> Is your IP on any of the following subnets?
> 	10.0.0.0/8
> 	176.16.0.0/12
> 	192.168.0.0/16
> If so, it's likely to be behind a NAT.
> 
> Checking for a firewall is a little more difficult.  I'd normally suggest
> you do something like:
> 	$ nmap -sS -p 7000-7005 afsserver.domain.net
> 

-sU   not   -sS

AFS is a UDP service not TCP.

It'd be much friendlier to the server to issue "rxdebug afsserver 700x"

> But, a quick check against my server results in all ports being in the
> "closed" state.  Maybe you'd get a "filtered" response rather than a
> "closed" response, depending on what firewall is being used (if there even
> is one).
> 
> [ t charles clancy ]--[ tclancy@uiuc.edu ]--[ www.uiuc.edu/~tclancy ]
> 
> On Sun, 3 Nov 2002, Tommy Mann wrote:
> 
> >
> > Tommy
> >
> >
> > On 3 Nov 2002, Derek Atkins wrote:
> >
> > > Tommy Mann <tmann@black.ils.unc.edu> writes:
> > >
> > > > Okay, I rebooted and have not yet run /etc/rc.d/init.d/afs start.  Here's
> > > > what "ps -ef | grep afs" outputs:
> > > >
> > > > [tmann@black tmann]$ ps -ef | grep afs
> > > [snip]
> > > > root      1046     1  0 15:42 ?        00:00:00 /usr/vice/etc/afsd -stat
> > > > 2000 -d
> > > >
> > > > Do you know what this means???
> > >
> > > It means that your AFS client is started automatically at boot time.
> > > Although I find it odd that you're getting different ps output now
> > > than you did earlier.
> > >
> > > > I'm still getting the following in /var/log/messages:
> > > >
> > > > Nov  3 15:54:17 black kernel: afs: Lost contact with volume location
> > > > server 152.2.1.7 in cell isis.unc.edu
> > > > Nov  3 15:54:17 black kernel: afs: Lost contact with volume location
> > > > server 152.2.1.7 in cell isis.unc.edu
> > > > Nov  3 15:55:28 black kernel: afs: Lost contact with volume location
> > > > server 152.2.1.6 in cell isis.unc.edu
> > > > Nov  3 15:55:28 black kernel: afs: Lost contact with volume location
> > > > server 152.2.1.6 in cell isis.unc.edu
> > > > Nov  3 15:56:26 black kernel: afs: Lost contact with volume location
> > > > server 152.2.1.5 in cell isis.unc.edu
> > > >
> > > > Any thoughts??
> > >
> > > Well, it certainly looks like the server is running AFS.  Are you sure
> > > your client is not behind some firewall or NAT gateway?
> > >
> > > > Thanks!!!
> > > >
> > > > Tommy
> > >
> > > -derek
> > >
> > > >
> > > > On 3 Nov 2002, Nathan Neulinger wrote:
> > > >
> > > > > Looks to me like you've tried to start the client 4 times. There should
> > > > > only be one '[afs_checkserver]' instance listed.
> > > > >
> > > > > I'd suggest rebooting, and then not doing anything, and see if the
> > > > > client is running.
> > > > >
> > > > > In general, there is no reason to start/stop afs, just leave it running
> > > > > all the time after boot.
> > > > >
> > > > > -- Nathan
> > > > >
> > > > > On Sun, 2002-11-03 at 13:35, Tommy Mann wrote:
> > > > > > No, no firewall.  I should be able to talk to those IPs.  I'm really new
> > > > > > at this, so I wouldn't discount any thoughts you might have.
> > > > > >
> > > > > > I don't think I'm trying to start the client twice.  When I try starting,
> > > > > > I first run /etc/rc.d/init.d/afs stop and then /etc/rc.d/init.d/afs start
> > > > > > (as root, of course).  Here are all the AFS processes that my box is
> > > > > > running (from entering ps -ef at the prompt):
> > > > > >
> > > > > > root     13541     2  0 Nov02 ?        00:00:00 [afs_rxlistener]
> > > > > > root     13542     2  0 Nov02 ?        00:00:00 [afs_callback]
> > > > > > root     13543     2  0 Nov02 ?        00:00:00 [afs_rxevent]
> > > > > > root     13548     2  0 Nov02 ?        00:00:00 [afsd]
> > > > > > root     13549     2  0 Nov02 ?        00:00:00 [afs_checkserver]
> > > > > > root     13550     2  0 Nov02 ?        00:00:00 [afs_background]
> > > > > > root     13551     2  0 Nov02 ?        00:00:00 [afs_background]
> > > > > > root     13552     2  0 Nov02 ?        00:00:00 [afs_background]
> > > > > > root     13554     2  0 Nov02 ?        00:00:00 [afs_cachetrim]
> > > > > > root     17071     2  0 Nov02 ?        00:00:00 [afs_rxevent]
> > > > > > root     17073     2  0 Nov02 ?        00:00:00 [afs_checkserver]
> > > > > > root     17074     2  0 Nov02 ?        00:00:00 [afs_background]
> > > > > > root     17075     2  0 Nov02 ?        00:00:00 [afs_background]
> > > > > > root     17076     2  0 Nov02 ?        00:00:00 [afs_cachetrim]
> > > > > > root     17528     2  0 Nov02 ?        00:00:00 [afs_rxevent]
> > > > > > root     17529     2  0 Nov02 ?        00:00:00 [afs_checkserver]
> > > > > > root     17530     2  0 Nov02 ?        00:00:00 [afs_background]
> > > > > > root     17531     2  0 Nov02 ?        00:00:00 [afs_background]
> > > > > > root     17532     2  0 Nov02 ?        00:00:00 [afs_cachetrim]
> > > > > > root     17839     2  0 Nov02 ?        00:00:00 [afs_rxevent]
> > > > > > root     17840     2  0 Nov02 ?        00:00:00 [afs_checkserver]
> > > > > > root     17841     2  0 Nov02 ?        00:00:00 [afs_background]
> > > > > > root     17842     2  0 Nov02 ?        00:00:00 [afs_background]
> > > > > > root     17843     2  0 Nov02 ?        00:00:00 [afs_cachetrim]
> > > > > >
> > > > > > Any thoughts?  Remember, I'm a newbie so it could pretty much be anything!
> > > > > >
> > > > > > Thanks!!
> > > > > >
> > > > > > Tommy
> > > > > >
> > > > > > On 3 Nov 2002, Nathan Neulinger wrote:
> > > > > >
> > > > > > > Do you have a firewall or other mechanism in place that would prevent
> > > > > > > you from talking to those IPs?
> > > > > > >
> > > > > > > One thing that's odd from your output - if the client didn't load, you
> > > > > > > shouldn't be getting any of those kernel messages.
> > > > > > >
> > > > > > > Are you trying to start the client twice?
> > > > > > >
> > > > > > > -- Nathan
> > > > > > >
> > > > > > > On Sun, 2002-11-03 at 13:07, Tommy Mann wrote:
> > > > > > > > ThisCell:
> > > > > > > > isis.unc.edu
> > > > > > > >
> > > > > > > > CellServDB
> > > > > > > > >isis.unc.edu              # University of North Carolina at Chapel Hill
> > > > > > > > 152.2.1.5                       #db0.isis.unc.edu
> > > > > > > > 152.2.1.6                       #db1.isis.unc.edu
> > > > > > > > 152.2.1.7                       #db2.isis.unc.edu
> > > > > > > > >physics.unc.edu           # University of NC at Chapel Hill Physics/Astro
> > > > > > > > 152.2.5.2                       #valerian.physics.unc.edu
> > > > > > > > 152.2.5.3                       #augustus.physics.unc.edu
> > > > > > > > 152.2.7.67                      #nerva.astro.unc.edu
> > > > > > > > >acpub.duke.edu            #Duke Academic Computing (clusters)
> > > > > > > > 152.3.233.4                     #clarke.acpub.duke.edu
> > > > > > > > 152.3.233.5                     #delany.acpub.duke.edu
> > > > > > > > 152.3.233.6                     #ellison.acpub.duke.edu
> > > > > > > >
> > > > > > > > There's actually a really long list in the CellServDB file, but they're
> > > > > > > > all similar to what I pasted above (the top one is most important for what
> > > > > > > > I'm doing, I think).
> > > > > > > >
> > > > > > > > Any idea why I'm getting this error message when I try to start AFS up?
> > > > > > > >
> > > > > > > > Thanks!
> > > > > > > > Tommy
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > On 3 Nov 2002, Derek Atkins wrote:
> > > > > > > >
> > > > > > > > > What do you mean "added the appropriate cell in ThisCell"?  What does
> > > > > > > > > "ThisCell" look like?
> > > > > > > > >
> > > > > > > > > Does CellServDB have the appropriate values for your cell?
> > > > > > > > >
> > > > > > > > > -derek
> > > > > > > > >
> > > > > > > > > Tommy Mann <tmann@black.ils.unc.edu> writes:
> > > > > > > > >
> > > > > > > > > > Hi!  I've just installed the OpenAFS rpms on my RH 7.3 box.  I've added
> > > > > > > > > > the appropriate cell in ThisCell (/usr/vice/etc), and also downloaded my
> > > > > > > > > > cell's appropriate CellServDB.  However, when I run /etc/rc.d/init.d/afs
> > > > > > > > > > start I get the following message:
> > > > > > > > > >
> > > > > > > > > > Found libafs-2.4.18-3-i686.o from SymTable... Loading...
> > > > > > > > > > Failed to load AFS client, not starting AFS services.
> > > > > > > > > >
> > > > > > > > > > What's going on here???  I checked a few other things out and here's what
> > > > > > > > > > I found:
> > > > > > > > > >
> > > > > > > > > > In /var/log/messages I see the following errors:
> > > > > > > > > >
> > > > > > > > > > Nov  2 15:24:34 black kernel: You must reload the AFS kernel extensions
> > > > > > > > > > before remounting AFS.
> > > > > > > > > > Nov  2 15:25:15 black kernel: afs: Lost contact with volume location
> > > > > > > > > > server 152.2.1.7 in cell isis.unc.edu
> > > > > > > > > > Nov  2 15:25:15 black kernel: afs: Lost contact with volume location
> > > > > > > > > > server 152.2.1.7 in cell isis.unc.edu
> > > > > > > > > > Nov  2 15:26:13 black kernel: afs: Lost contact with volume location
> > > > > > > > > > server 152.2.1.6 in cell isis.unc.edu
> > > > > > > > > >
> > > > > > > > > > Basically, I get the "Lost contact with volume loation server..." error
> > > > > > > > > > twice each minute continuously.
> > > > > > > > > >
> > > > > > > > > > Also, if I run /usr/vice/etc/afsd I get:
> > > > > > > > > >
> > > > > > > > > > afsd: All AFS daemons started.
> > > > > > > > > > afsd: Can't mount AFS on /afs(22)
> > > > > > > > > >
> > > > > > > > > > I don't really know where else to look.  Any help would be greatly
> > > > > > > > > > appreciated!!!
> > > > > > > > > >
> > > > > > > > > > Thanks!
> > > > > > > > > > Tommy
> > > > > > > > > > tmann@black.ils.unc.edu
> > > > > > > > > >
> > > > > > > > > >
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> > > > > > > > >
> > > > > > > >
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> > > > >
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-- 

------------------------------------------------------------
Nathan Neulinger                       EMail:  nneul@umr.edu
University of Missouri - Rolla         Phone: (573) 341-4841
Computing Services                       Fax: (573) 341-4216