LVM -vs- device mapper

2007-04-24 Thread Richard Troth
We were making progress with SAN ... and now we're stuck again. Actually, SAN itself is working pretty reliably at this point. But I cannot figure out how to feed a multipath SAN volume into LVM2. In VM things, you cannot connect to the virtual console of a virtual machine hosting an LDEV. Th

Re: DNS and Disaster Recovery

2007-04-24 Thread Marcy Cortes
So it sounds like your nsswitch.conf has you authenticated against LDAP before any files? Could that be what screwed up root at the local console? A few weeks back on this list, I asked about the /etc/inittab change to leave root logged in to the VM console. Perhaps that's something you should c

Re: DNS and Disaster Recovery

2007-04-24 Thread James Melin
Actually in a real disaster, if it takes out the building the ONLY DNS server I can reasonably expect to be available here is the one we run on z/OS for DR. Why? Because our distributed systems folks have not ever, never once, conducted a disaster recovery excercise. There is no facility here to

Re: DNS and Disaster Recovery

2007-04-24 Thread James Melin
The very intersting thing on the one server sign-on was physically impossible (Even as Root AT the Linux guest console - I have root access via SSH disabled) My surmization of this is that it was a combination of no functioning DNS and NO entry in /etc/hosts/ for LDAP to resolve. Please let me

Re: SLES10 System Registration and Updates

2007-04-24 Thread Mrohs, Ray
For updates, I've gotten as far as configuring wget to fetch something off the Novell site, but that's where my efforts stalled. The YAST update setup is not very intuitive. Ray Mrohs U.S. Department of Justice 202-307-6896 > -Original Message- > From: Linux on 390 Port [mailto:[EMAIL

Re: DNS and Disaster Recovery

2007-04-24 Thread Marcy Cortes
It doesn't seem to unreasonable to me that if you have a script always runs at startup to throw something in there if you detect you are at DR and it's not a real diaster :) (presumably in a real disaster you can get to your real DNS servers James?). We have similar kind of issues. We run our own

Re: DNS and Disaster Recovery

2007-04-24 Thread Rich Smrcina
Three weeks to WAVV, I think an 8AM slot is opening up... :) David Boyes wrote: Hmm. Sounds like a good paper for the next user group meeting that asks me to speak... -- Rich Smrcina VM Assist, Inc. Phone: 414-491-6001 Ans Service: 360-715-2467 rich.smrcina at vmassist.com Catch the WAVV!

Re: DNS and Disaster Recovery

2007-04-24 Thread Rich Smrcina
I wholeheartedly concur. My original impression of the scenario was that this was an emergency situation and a quick out was needed. David Boyes wrote: DNS addresses go in /etc/resolv.conf. If it's just a matter of adding the name and address of your z/OS host, why not add it to the local

Re: DNS and Disaster Recovery

2007-04-24 Thread David Boyes
> DNS addresses go in /etc/resolv.conf. > If it's just a matter of adding the name and address of your z/OS host, > why not add it to the local hosts file? EWW! This will bite you. Particularly if/when you have to change the official address of some host you've stuck in a local hosts f

Re: SLES10 System Registration and Updates

2007-04-24 Thread David Boyes
> I haven't done it yet, but was planning on doing it when I got some free > time. I would much appreciate such a document. We've built a small appliance instance that does this for SLES9 and (soon SLES 10), and also acts as a local install server for NFS and HTTP installs. Would this be of use t

Re: DNS and Disaster Recovery

2007-04-24 Thread David Boyes
> If you consider David B's suggestion, you might want to implement a pair > of them for planned and unplanned outages of that server. Just a > thought. Good point. You may also want to consider making the pair of guests your internal DHCP servers as well, and configuring them in failover mode. D

Re: DNS and Disaster Recovery

2007-04-24 Thread Marcy Cortes
You could log in to root on the console and echo something to /etc/hosts? No? If you consider David B's suggestion, you might want to implement a pair of them for planned and unplanned outages of that server. Just a thought. Marcy "This message may contain confidential and/or privileged infor

Re: DNS and Disaster Recovery

2007-04-24 Thread Adam Thornton
On Apr 24, 2007, at 1:52 PM, James Melin wrote: That would work, provided I could log on to the linux guest in order to change the /etc/hosts file in the first place, which I was not able to do on one of the guests because the authentication was NOT dropping through to local authentication after

Re: DNS and Disaster Recovery

2007-04-24 Thread James Melin
That would work, provided I could log on to the linux guest in order to change the /etc/hosts file in the first place, which I was not able to do on one of the guests because the authentication was NOT dropping through to local authentication after the timeout. I think the logon timed out before

Re: SLES10 System Registration and Updates

2007-04-24 Thread Mark Post
Ok, let me ask a different question. Replies also off-list, please. Has anyone installed SLES10 and gotten update downloads set up and working? If so, what doc did you read to figure it out? (My own methods were a mixture of searches and, umm, empircal.) So far, most of the replies have been

Re: DNS and Disaster Recovery

2007-04-24 Thread Marcy Cortes
You could put the name of the z/OS system (the one associated with your VIPA there) into your linux /etc/hosts during the test. Marcy Cortes "This message may contain confidential and/or privileged information. If you are not the addressee or authorized to receive this for the addressee, you m

Re: DNS and Disaster Recovery

2007-04-24 Thread David Boyes
> I was wondering what people have done in a situation like this, and if > anyone could tell me what configuration file to change during startup of > Linux > (before tcp/ip starts) to define the DR DNS address, or if there was a > better solution to this proposal. I can very easily enable the detec

Re: DNS and Disaster Recovery

2007-04-24 Thread Rich Smrcina
DNS addresses go in /etc/resolv.conf. If it's just a matter of adding the name and address of your z/OS host, why not add it to the local hosts file? James Melin wrote: Good afternoon, fellow list dwellers I've a question/philosophical problem to pose. To frame this, in normal production

DNS and Disaster Recovery

2007-04-24 Thread James Melin
Good afternoon, fellow list dwellers I've a question/philosophical problem to pose. To frame this, in normal production I point my virtual servers at a primary and secondary DNS server that run in our network on a non-z platform. I don' tknow what platform and for the scope of this, it's irr

Re: SLES10 System Registration and Updates

2007-04-24 Thread Romanowski, John (OFT)
Thanks Mark, Didn't work in Internet Exploer6 " The page cannot be displayed". Copy/pasted the same url into mozilla and it worked. then tried same url copy/pasted into Internet Explorer again and it did work. Haven't tried wget with it yet ---

Re: SLES10 System Registration and Updates

2007-04-24 Thread Jon Brock
I haven't done it yet, but was planning on doing it when I got some free time. I would much appreciate such a document. (Haha! Free time!F-free t-t-time! I can hardly even say it. ) I just kill me. Jon How many people on the list have installed SLES10, and tried to register your ma

Re: SLES10 System Registration and Updates

2007-04-24 Thread Mark Post
>>> On Tue, Apr 24, 2007 at 1:28 PM, in message <[EMAIL PROTECTED]>, "Romanowski, John (OFT)" <[EMAIL PROTECTED]> wrote: > I'd give my left brain for a short outline/hints on how to mirror the > patches for SLES9 zseries. No one has divulged that on this list that > I'm aware of. Is it illegal or

Re: SLES10 System Registration and Updates

2007-04-24 Thread Romanowski, John (OFT)
I'd give my left brain for a short outline/hints on how to mirror the patches for SLES9 zseries. No one has divulged that on this list that I'm aware of. Is it illegal or something? This e-mail, including any attachments, may be confidentia

SLES10 System Registration and Updates

2007-04-24 Thread Mark Post
How many people on the list have installed SLES10, and tried to register your machines? How many people have tried to automate the downloading of patches for their SLES10 systems? Are you having problems figuring it out? If so, would anyone be interested in a short document on how to go about