Discuss July 2012

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166 participants
155 discussions

RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 2108 [Liberator] (rev 05)
by Kaushal Shriyan 27 Jul '12

27 Jul '12

Hi, Are there CLI utility for RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 2108 [Liberator] (rev 05) for CentOS 5.8? Regards, Kaushal

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system-config-network-tui not part of base install... wtf
by Fernando Cassia 27 Jul '12

27 Jul '12

Who was the genius that decided that system-config-network-tui should NOT be part of the base CentOS 6.3 install ?? Not to mention it has insane deps like wifi firmware packages... not really if all you want to do is configure eth0 from the command line... FC

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No tengo red despues de instalar
by Rodrigo Pichiñual Norin 27 Jul '12

27 Jul '12

Que tal amigos: Resulta es que no tengo red despyes de instalar centos 6.2, sigo la ruta: /etc/sysconfig/network-scripts/ y no me aparece el archivo ifcfg-eth0 e visto cosas similares de otros usuarios de centos.... donde si encuentran ifcfg-eth0 y tienen que modificar el Onboot a yes, pero ami no me aparece? realice la instalacion minimal. -- Rodrigo Isaias Pichiñual Norin Ingeniero en Computación 87272971 rodrigo.pichinual(a)gmail.com

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EXT4-fs: Can't allocate: Allocation context details
by Aji 27 Jul '12

27 Jul '12

Hi, I'm using centos 5.8 running as a production system, my system suddenly crash because the /var/log/kern.log have a huge file size, and make the disk full. this is the message from kern.log 2012-07-26T05:36:39.120185+02:00 NL50-ND019 kernel: EXT4-fs: Can't allocate: Allocation context details: 2012-07-26T05:36:39.120256+02:00 NL50-ND019 kernel: EXT4-fs: status 1 flags 3104 2012-07-26T05:36:39.120263+02:00 NL50-ND019 kernel: EXT4-fs: orig 399/15394/64@44765, goal 399/15392/2048@43008, best 0/0/0@44765 cr 3 2012-07-26T05:36:39.120269+02:00 NL50-ND019 kernel: EXT4-fs: 0 scanned, 0 found 2012-07-26T05:36:39.120273+02:00 NL50-ND019 kernel: EXT4-fs: groups: 2012-07-26T05:36:39.120277+02:00 NL50-ND019 kernel: 400: 32254/0 2012-07-26T05:36:39.120281+02:00 NL50-ND019 kernel: 401: 32254/1 2012-07-26T05:36:39.120285+02:00 NL50-ND019 kernel: 402: 32254/1 2012-07-26T05:36:39.120288+02:00 NL50-ND019 kernel: 403: 32254/1 2012-07-26T05:36:39.120293+02:00 NL50-ND019 kernel: 404: 32254/1 2012-07-26T05:36:39.120296+02:00 NL50-ND019 kernel: 405: 32254/1 2012-07-26T05:36:39.120300+02:00 NL50-ND019 kernel: 406: 32254/1 2012-07-26T05:36:39.120303+02:00 NL50-ND019 kernel: 407: 32254/1 2012-07-26T05:36:39.120307+02:00 NL50-ND019 kernel: 408: 32254/1 2012-07-26T05:36:39.120311+02:00 NL50-ND019 kernel: 409: 32254/1 2012-07-26T05:36:39.120315+02:00 NL50-ND019 kernel: 410: 32254/1 2012-07-26T05:36:39.120319+02:00 NL50-ND019 kernel: 411: 32254/1 2012-07-26T05:36:39.120323+02:00 NL50-ND019 kernel: 412: 32254/1 2012-07-26T05:36:39.120326+02:00 NL50-ND019 kernel: 413: 32254/1 2012-07-26T05:36:39.120330+02:00 NL50-ND019 kernel: 414: 32254/1 2012-07-26T05:36:39.120334+02:00 NL50-ND019 kernel: 415: 32254/1 2012-07-26T05:36:39.120337+02:00 NL50-ND019 kernel: 416: 32254/1 2012-07-26T05:36:39.120341+02:00 NL50-ND019 kernel: 417: 32253/1 2012-07-26T05:36:39.120345+02:00 NL50-ND019 kernel: 418: 32254/1 2012-07-26T05:36:39.120348+02:00 NL50-ND019 kernel: 419: 32254/1 2012-07-26T05:36:39.120352+02:00 NL50-ND019 kernel: 420: 32254/1 2012-07-26T05:36:39.120355+02:00 NL50-ND019 kernel: 421: 32254/1 Does anyone have same problem like me?, I only find this https://bugzilla.redhat.com/show_bug.cgi?id=758935 I'd appreciate any suggestions any of you may wish to make. thanks in advance, Fazrie Setyadi

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Re: [CentOS] system-config-network-tui not part of base install... wtf
by Karanbir Singh 26 Jul '12

26 Jul '12

On 07/26/2012 11:33 PM, Reindl Harald wrote: > i do not install every day a Fedora/CentOS > the is a minimal or whatever option My apologies. I expected you to have done due diligence before posting on the subject. -- Karanbir Singh +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh ICQ: 2522219 | Yahoo IM: z00dax | Gtalk: z00dax GnuPG Key : http://www.karan.org/publickey.asc

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DNS lookup delay with centos & postfix
by Steve Lindemann 26 Jul '12

26 Jul '12

I'm a bit baffled by this and I'm looking for ideas... background: two DNS servers (ns1 & ns2)(64bit CentOS 5.8) one email server (64bit CentOS 5.8 & postfix 2.3.3) one nagios server (64bit CentOS 5.8 & nagios 3.3.1) situation: - all servers configured to use both DNS servers for lookups - ns1 server down for hardware problem - nagios alerts that smtp on email server taking longer than 2 seconds to respond - nagios alert for smtp on email server clears when ns1 returns to service - when I use dig from the email server command line there is no problem or delay when ns1 is offline. It worked without a hitch using ns2. Anyone have any ideas for why nagios would have trouble testing smtp on the email server when the primary dns goes offline? I'm not even sure where to look or who else would make sense to ask the question of on this one. I'd appreciate any insight anyone out there has on this. -- Steve

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Re: [CentOS] system-config-network-tui not part of base install... wtf
by Karanbir Singh 26 Jul '12

26 Jul '12

On 07/26/2012 06:33 PM, Reindl Harald wrote: > > > Am 26.07.2012 19:27, schrieb Karanbir Singh: >> On 07/26/2012 04:42 PM, Fernando Cassia wrote: >>> My opinion after this experience is that it'd help for CentOS to >>> include system-config-network-tui as part of the base install. >> >> Can you be a bit more specific about what you mean by a 'base install' ? >> Its not actually possible to get a minimalist @base only install without >> kickstarting the installer instance - at which point you might as well >> +<package> whatever you need. > > > says who? erm, have you looked at the anaconda setup group selections ? None of them default to an @base only install. > you get a completly stripped down setup which > no network, no editors like nano and have to > do your first network config with echo to the > config files which takes around 30 seconds Are you saying here that even when you select a Desktop or Workstation install profile you end up with a minimalist install ? I find that pretty hard to believe. -- Karanbir Singh +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh ICQ: 2522219 | Yahoo IM: z00dax | Gtalk: z00dax GnuPG Key : http://www.karan.org/publickey.asc

1 0

using ip address on bonded channels in a cluster
by Steve Campbell 26 Jul '12

26 Jul '12

I'm creating a firewall HA cluster. The proof of concept for the basic firewall cluster is OK. I can bring up the cluster, start the iptables firewall, and move all of this with no problem. I'm using Conga to do all of this configuration on Centos 6.3 servers. To extend the "HA" part of this, I'd like to use bonded channels instead of plain old NICs. The firewall uses the "IP address" service for the outside firewall IP addresses. Each server behind the firewall is NATted to one of these external IPs on the firewall's external interface. I'm not seeing how I can use bonded channels anywhere for these "IP address" services. Part of the problem is that Conga will "guess" at which interface to place the ip address service upon. In the case of bonded channels, I don't think Conga is even aware of the "bondx" interface, and Conga only uses interfaces like eth0, eth1, etc. I realize that the sysconfig network scripts will come into play here as well, but that's another problem for me to tackle. Does anyone have any experience with bonded channels and Conga? I could sure use some help with this. Thanks, steve campbell

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wlan and macvtap?
by Darod Zyree 26 Jul '12

26 Jul '12

Greetings, This is my fist time posting to a mailing list. For the past few days I have been trying to mimic my former windows workstation with a centos 6.3 workstation at work. I have gotten really far but am now facing an issue I cant seem to solve on my own. My former workstation had vmware for running my virtual machines. Most of the time I would run just two virtual machines, but sometimes more, and each virtual machine would have access to one of my hosts network interfaces. I have two, one connected by cable to the corporate lan and one wireless interface connected to an access point which gives me and my colleagues direct access to the internet. After having read some documentations I decided upon using "macvtap" in VEPA mode for my guest virtual machines. This, to me, seem to be the most clean solution without having to create bridges, this way when I start a virtual machine the macvtap interface is created automatically. Plus I have read that NetworkManager does not play nicely (yet) with bridge interfaces and the virtual machines are accessible from their connected network environments. This did not work at first because I had not yet put my physical network interface in to promiscuous mode. Was I wrong in expecting this to be done automatically? Since my macvtap interface requires this to work "properly"? After having set the corporate lan network interface, in to promiscuous mode my virtual machine received an IP address and all was well. However this did not work for my wlan interface after having done the same. It too was set in to promiscuous mode but the virtual machine is not receiving an ip address from the DHCP server, which is the access point. I changed the network settings on the virtual machine from DHCP to manual but that too did not work: no network communication. Does macvtap not work with wlan interfaces? Or am I doing something wrong. I am using centos 6.3, with kvm, libvirt and virt-manager, have not used any none standard repository for installation or updates. Regards, Darod Zyree

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Re: [CentOS] system-config-network-tui not part of base install... wtf
by Fernando Cassia 26 Jul '12

26 Jul '12

On Thu, Jul 26, 2012 at 12:29 PM, Reindl Harald <h.reindl(a)thelounge.net> wrote: > there is nothing wrong in CentOS or Fedora Of course, in the grand scheme of things, it's not a "problem". A "problem" is a crashing kernel or buggy drivers. My opinion after this experience is that it'd help for CentOS to include system-config-network-tui as part of the base install. That is my honest opinion about this experience. It'd have saved me from some minor annoyance, albeit an annoyance nonetheless. Just think the opposite: what would be the expense-damage of including it as part of the base install?. Would it: 1. Break the OS 2. Make things easier for people who end up in the same situation I did. 3. Affect the balance of the Universe. ;) Your choice. I think 2. FC

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Discuss July 2012