Hi everyone,
For the benefit of the OpenAFS community, I wanted to share a blog post
describing how we use AUFS, LXC, and OpenAFS together to efficiently manage
and deploy software dependencies across thousands of machines. We do not
reference OpenAFS by name, but instead call it our DFS.
You
On Fri, Apr 20, 2012 at 10:30 AM, Andrew Deason adea...@sinenomine.netwrote:
On Thu, 19 Apr 2012 18:55:08 -0700
Ken Elkabany k...@elkabany.com wrote:
We have 2 OpenAFS servers running 1.4.14. We have many clients that we
just switched over to 1.6.1pre1. Starting earlier today, we started
We have 2 OpenAFS servers running 1.4.14. We have many clients that we just
switched over to 1.6.1pre1. Starting earlier today, we started getting NULL
pointer dereferences, which has been completely hosing the clients. The
client machines hang on any call that deals with AFS, whether it's ls /,
Hi,
We have two RO sites for a single RW volume. One sits on the same server as
the RW, the other on a different fileserver. If we intentionally take down
the the fileserver with the RW volume and one of the RO sites, and then try
to access the volume through a mount point in the RO cell, it
Yes, you're correct. Upon retrying it, it took 56.7 seconds. Thanks for the
explanation. We'll try out the sysctl, and fs setserverprefs.
On Wed, Apr 18, 2012 at 4:04 PM, Andrew Deason adea...@sinenomine.netwrote:
On Wed, 18 Apr 2012 15:45:58 -0700
Ken Elkabany k...@elkabany.com wrote
On Tue, Apr 3, 2012 at 10:25 AM, Andrew Deason adea...@sinenomine.netwrote:
On Mon, 2 Apr 2012 19:04:19 -0700
Ken Elkabany k...@elkabany.com wrote:
Over time these errors become more and more frequent. The problem is
that the client who hits this issue will experience a 5-10s delay
We're noticing an odd behavior while SSH-ed into the file servers. Every 12
seconds, the fileserver and volserver hit 100% CPU usage, and our SSH
terminals freeze for about 4 seconds. While we often have 200+ clients
actively using our two fileservers, this occurs even when we have only
about 40.
On Tue, Apr 3, 2012 at 8:42 PM, Andrew Deason adea...@sinenomine.netwrote:
On Tue, 3 Apr 2012 19:04:03 -0700
Ken Elkabany k...@elkabany.com wrote:
1.6.0pre1 which was packaged with Ubuntu 11.10. Should we make it a
priority to upgrade?
Yes, there are many known problems
Hi,
On a network capable of scp-ing files between machines at 60MB/sec, we are
only able to achieve 2-3MB/sec of throughput when using AFS. We've been
conducting tests on 300MB files, by copying them from the /afs/* mount to
the local filesystem with memcache enabled. In production, we will not
Hi again,
I finally got around to trying out dns resolution for cells listed in the
CellServDB. However, the proposed solution does not work with openafs-client
1.4.12+dfsg-3 on ubuntu 10.04 64-bit lucid larynx. Upon ls-ing the
/afs/cellname directory, a Connection timed out is immediately
Hello,
We have had to replace our master openafs fileserver several times. Each
time we have had to go through each client and update the CellServDB file to
reflect the IP address of the new replacement server. Since we always map a
domain name to the master openafs fileserver, is it possible to
I have six client machines all accessing a single openafs server. The server
and five clients are running Ubuntu 9.10 with openafs 1.4.10. About 80% of
the time when a client modifies files on the afs, the changes are not
reflected on the other clients, even after the file has been closed (a zip
Thanks! You were all spot on. Our internal firewalls had recently been
updated to block port 7001.
Ken
On Tue, Mar 2, 2010 at 2:17 AM, Christof Hanke christof.ha...@rzg.mpg.dewrote:
Am Dienstag, 2. März 2010 11:01:22 schrieb Ken Elkabany:
I have six client machines all accessing a single
Hi all,
My afs clients have begun receiving a No space left on device error
when attempting to write to or delete from a specific afs volume. The
volume in question called jobs has both a RW and RO site on the same
partition, vicepa.
vos partinfo [server]
Free space on partition /vicepa: 3292236
Thanks! That was the problem.
Ken
On Fri, Aug 14, 2009 at 4:27 PM, Thomas Kulak...@tproa.net wrote:
On Fri, Aug 14, 2009 at 03:54:41PM -0700, Ken Elkabany wrote:
Hi all,
My afs clients have begun receiving a No space left on device error
when attempting to write to or delete from a specific
Hi,
My openafs fileserver has begun having consistent segmentation
faults for certain terminal commands, the subset of which I have
identified are as follows:
apt-get install *
vim (but not nano)
sudo
Some pre-existing automated scripts that do not depend on the above
have also begun failing
error. The
processes must then be restarted.
Any other suggestions?
Ken
On Sun, May 10, 2009 at 7:41 PM, Derrick Brashear sha...@gmail.com wrote:
it probably matters in the server here, but both.
Derrick
On May 10, 2009, at 10:35 PM, Ken Elkabany k...@elkabany.com wrote:
Is this bug fixed
Hello,
I have openafs 1.4.9 client and server running on two separate
machines across a WAN. The client has scripts that access the
/afs/our.cell/ directory. Occasionally, the script will fail to
complete, and the logs will say that the Connection Timed Out on a
mkdir -p /afs/our.cell/x/y/z
Is this bug fixed in the client or the server? Thanks.
Ken
On Sun, May 10, 2009 at 7:22 PM, Derrick Brashear sha...@gmail.com wrote:
I'd venture this is a bug fixed in 1.4.10, with idle dead time computation
in rx.
Derrick
On May 10, 2009, at 9:53 PM, Ken Elkabany k...@elkabany.com wrote
Hello,
When using kadmin, pts, and vos to heavily configure my afs
installation, I will often begin receiving errors such as the
following:
pts: Permission denied ; unable to create user
Perplexed, I will then try to ssh into the afs fileserver, which will
give me the following error:
Hello,
I am running OpenAFS 1.4.7 servers on Debian 5.0. I had initially been
having trouble accessing my OpenAFS Fileserver that was behind a NAT.
The VLDB was reporting the local IP of the fileserver to machines
outside the NAT group, resulting in connection failures. Adding both
the internal
listaddrs output. Any other ideas?
Ken
On Wed, Apr 22, 2009 at 5:23 AM, Derrick Brashear sha...@gmail.com wrote:
On Wed, Apr 22, 2009 at 6:32 AM, Ken Elkabany k...@elkabany.com wrote:
Hello,
I am running OpenAFS 1.4.7 servers on Debian 5.0. I had initially been
having trouble accessing my OpenAFS
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