CentOS 5 :: Conga Errors With Enabled Shared Storage Support In CentOS 5.3?
Jun 24, 2009
I try to set up a 5 nodes cluster and a shared Coraid Storage with conga but it fails with "Shared Storage Support" checked.The message is:'A problem occurred when installing packages: Packages of set "Clustered Storage" are not present in available repository' and it is shown under every node on the next sceen after I submit.The pc where conga runs is on the same subnet (192.168.xxx.xxx) and it has the same /etc/hosts of the other nodes.In that pc runs a proxy too and the nodes go out through it (that pc has 2 NICs)Every node (2.6.18-128.1.14.el5-xen-x86_64) is patched whith the last yum update (this morning) the same is for the pc (2.6.18-128.1.14.el5).Every node has 4 NICs , 2 NICc towards the storage the others in bonding towards the WAN.Every node is exactly alike, they have been installed with the ks.cfg generated from the first node and they all have the support for Clustering, Virtualization, and Clustered Storage.
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Jun 15, 2010
I have a server running CentOS 5.5 with KVM capabilities. I need to migrate all the VMs to another server with the exact same hardware specs. The problem is it is running on individual harddisks, not shared storage. What is the best way to migrate to minimise downtime?
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Sep 3, 2009
I built a CentOS 5 Linux cluster with GFS storage using local RAID volume and share it with gnbd_export/import on two web-servers. Now I need to expand that storage to another servers local volume. I saw the picture in the manual, but I don`t know, how can I create that scheme.
I can use gnbd_export on the second server and gnbd_import on the first. In that case I will have two volumes on the first storage and I can expand volume group, logical volume, etc on it.
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Jul 8, 2009
I am working on the beginning of implementing a two-node cluster with shared storage (GFS) and IP address. Both machines are virtual on VMware ESX 3.5, that should not make a difference, but that is the background.current status is that I have a single node cluster built with only the IP address configured within the cluster. The issue that I am having is that I have configured a service to contain only the IP address resource, however, when I go into cluster management that "service" does not register. As such, I cannot bring it online, ping it, etc. below is my cluster.conf configuration:
<?xml version="1.0"?>
<cluster alias="tmbackup" config_version="10" name="tmbackup">
<quorumd device="/dev/sdb1" interval="1" min_score="3" tko="10" votes="3">
[code]....
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Oct 11, 2010
what is conga, lucci and ricci in linux cluster? I have been searching on the net too for information about these options but i need still more clarity. How to download conga, lucci and ricci
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Oct 16, 2010
I'm setting up a raid 5 on several hard disks with a layer of lvm on top for good measure.I know the recent kernels support growing software raid, but since centos runs 2.6.18, I wanted to make sure it'll work. Does the centos kernel support growing raid devices?
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May 20, 2009
I have been using SLES 10 SP1 so far with about 6TB Raid system without problems.I have upgraded the OS to CentOS 5.3 i386 and I have noticed the kernel can not recognize raid system larger than 2TB.Is there any parameters that I have to set ? or the i386 distribution simply does not support larger raid, so I have to use x86_64 version, instead?
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Jun 3, 2010
I am running a CentOS 5.5 system which does NOT support VT Technology, so I am unable to use Xen HV. I am very happy with OpenVZ other than the fact that it doesn't support Windows, only Linux.I'd like to have VMWare Server 2.x installed, but it appears that OpenVZ changes the Kernel to, in my case, 2.6.18-194.3.1.el5.028stab069.6. The default kernel on my system is 2.6.18-194.3.1.el5.i386.If I change grub to load 2.6.18-194.3.1.el5.i386, VMWare will work but OpenVZ will not. If I change grub to load 2.6.18-194.3.1.el5.028stab069.6, OpenVZ will work, but VMWare will not.If I try to run /usr/bin/vmware-config.pl while in the 2.6.18-194.3.1.el5.028stab069.6 kernel, I get an error of:
None of the pre-built vmmon modules for VMware Server is suitable for your running kernel. Do you want this program to try to build the vmmon module for your system (you need to have a C compiler installed on your system)?Using compiler "/usr/bin/gcc". Use environment variable CC to override.
What is the location of the directory of C header files that match your running kernel?[/usr/ src/ linux/ include]I'm so lost as what to do now..is there anyway I can compile both of the kernels together somehow?
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Oct 16, 2009
Will Redhat support CentOS under any circumstances? I have heard at my employer that if you setup you system with CentOS and then on down the line you find you need RHEL support that you can purchase a license from Redhat and they will support your CentOS installation.Is that an official policy at Redhat? Unofficial? Or completely untrue?
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Jun 15, 2011
I tried to installed Centos5.4 version on Dell PC intel corei3 inspiron580s and succeeded but found some issues following below
1 Hardware issue for LAN driver ( Broadcomlink(TM)gigabit ethernet)
2 Display Driver not support and also missing Xorg.config file (i.e ., My Screen Starts from center of screen )
3. What is minimum configuration for centos 5.4 ?
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Feb 11, 2009
I am using Centos 5.2, and I installed all of the available gnome and gnome development libraries available via the "add software" menu item. Still, when running some programs, I get the following error message:
"error while loading shared libraries: libzvt.so.2: cannot open shared object file: No such file or directory"
If I understood it correctly, libzvt.so.2 is part of some gnome libs... where to find and how to install them?
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Dec 26, 2010
I'm using centos 5.5,my problem is that i need to disable usb-storage in my machine.But i need usb mouse and usb keyboard to function properly.I have tried all the below mentioned methods,
1.Appending blacklist-usbstorage to /etc/modprobe.d/bl*
2.removing the *.ko file,which removes the usb-storage drivers.
3.Added the line, install usb-storage /bin/true to /etc/modeprobe.conf
The first mentioned method works partially.That is the usb port in the front panel of the cpu is gets disabled.But,when i insert it at the port behind the CPU, usb-storage(pendirve) mounts automatically,which should not happen.
NOTE:usb-storage have to be disabled only for normal-users
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Jan 5, 2010
i want to make my centos5 a virtual SAN (storage).
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Aug 26, 2009
I have a centos server (5.3). I installed WebMin to assist with some of the administration details. In any event, I got it installed but I cannot access it (it requires a secure connection).
I checked out the server and it does not respond to a HTTPS:// request. When I telnet into port 80, it responds but it does not respond on port 443. MOD_SSL is installed and there is an ssl.conf (unmodified).
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Jul 20, 2010
since I upgraded to firefox 3.6 the program doesn't start up if I have any add-ons enabled.
The program starts fine with add-ons installed, but only starts up once as soon as any off them are enabled. Even normal add-ons like xmarks and adblock give problems.
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Sep 25, 2010
What I am trying to to is set up a cluster as follows:
- There are four nodes
- Nodes three and four have large amounts of storage that will be used for storing user data.
- Nodes one and two will be running a couple of network services.
I'd like have nodes one and two to have a clustered filesystem just between them to store data for the services run only by them.is it possible to share one filesystem between two nodes and another filesystem between two other nodes? The cluster seems to try to make the storage changes across all nodes. They will not be able to spend the extra money to get the same storage in all four nodes. Here is what I have done. I am using CentOS 5.5. After installing CentOS, I did this:
On all nodes:
Code:
[root@node1 ~]# yum groupinstall "Clustering"
[root@node1 ~]# yum groupinstall "Cluster Storage"
[root@node1 ~]# chkconfig ricci on
[code].....
...which I think makes sense because the cluster was supposed to create the PV and the volume group, but did not. I don't even think it tries. The first time it tries to do anything to another node is when I create a logical volume.
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Jun 21, 2011
We new have server with VmWare ESXi4.1 and we created virtual machine with CentOS5.6.This CentOS5.6 virtual machine will be used as webserver. We need to backup all files and have access to these files. We are going to keep all websites, databases, backups on data storage (NetApp FAS2000 series).
We have two options to how to use this storage:
1: We can mount storage volume directly to CentOS5.6 by NFS.
2: We can add storage via NFS to VmWare and then add new virtual disks to CentOS5.6 by VmWare vSphere client.
What option would you recommend to use? Which option is better, faster and more secure? My thoughts:If we mount storage volume directly to CentOS5.6 so we can access .snapshot directory there is all snapshots. So it's easy to access all backed up files. NetApp has snapshot system and we can schedule to make snapshots automatically, so we don't need to setup any additional backup utilities in CentOS5.6. But we don't have any NetApp snapshot restoring software license so copy/paste from .snapshot directory is only option.
If we add storage to VmWare firstly (by NFS) and then add new virtual hard disks to CentOS5.6 by VmWare vSphere client so we have to setup rsnapshot(or any similar utility) to make backups in CentOS5.6. But NetApp will also make backups of .vmdk files. So it's like double backups, lol :) If storage crashes so we screwed in both ways, I think.
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Sep 7, 2011
I built a centralized storage system a year ago (Aug. 2010) and for the past 10 months it has preformed flawlessly. About two months ago (July 2011) I began having problems writing to my centralized storage. The copies (cp -rpv) fail whether they are nfs or samba mounted disks to my centralized storage.
Attempting to copy either frame sequence (.dpx, .tiffs, .targas) or .MOV files now lock up my system and knock my storage offline.
The error that continues to echo back when this happens is :
I have not made any changes or updates to my storage configuration since building it last August 2010. I have reached out to Areca, and they found nothing wrong with the Raid Controller or my Raid settings.
I tried to troubleshoot all the basics - swapped out cables, replaced the WD storage disks, changed switches still the problem persists.
If anyone else has experienced this issue please let me know what you did to fix it. I can also post any error logs or message logs if that would be of assistance.
Below are the specs of my storage system
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Jul 25, 2011
I've got a little server setup on my local network and I'm trying to configure it to use miredo. I've got my laptop successfully using it, but for some reason miredo gives this error when I try to start it:
Code:
Error: IPv6 stack not available.
also running "lsmod | grep ipv6" gives these results
Code:
ipv6 270049 1 cnic
xfrm_nalgo 13381 1 ipv6
I get the impression that ipv6 is not enabled on my server, but I'm not sure how I enable it short of doing a reinstall.
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Oct 23, 2009
The nagios admin interface apparently needs php (although, of course, the howto mentions nothing of the sort). So then, I copied the php.conf that had at some time been installed on the system, and then moved by me out of /etc/httpd/conf.d, back into conf.d. It's a fairly simple one:
#
# PHP is an HTML-embedded scripting language which attempts to make it
# easy for developers to write dynamically generated webpages.
#
LoadModule php5_module modules/libphp5.so
[Code]....
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May 26, 2011
I have setup openldap and samba for authenticating Windows and Linux clients on my server. They are working fine. Windows users are getting authenticated through server as Primary Domain Controller and Linux clients directly from Openldap directory. But I have little problem that is I want to mount home folders created on server to be available on clients so clients get a centralized storage with some quota on both Linux and Windows clients. Can you help me please how can I do that.
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May 7, 2011
I'm trying to compile mplayer from srpm with vdpau enabled.
By default its disabled ( at least in rpmforge's srpm). How can i do this ?
This is what i tried:
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May 13, 2011
We are running CentOS 5.3 on a Logic Supply PT109, a ruggedized PC. For some reason the serial ports don't work when the IRQ is configured (i.e. setting IRQ to 0 makes it work, but performance suffers with the polling).
I've used minicom, picocom, and plain old cat and echo talk to the port both with a loopback connector and to another PC. statserial shows the control lines changing as I change the various settings and connect the loopback connector. I am confident that the hardware is fine as DOS diagnostics show the COMx ports working with various baud rates. I have tried changing the IRQ from the default of 11 to 3 and 4, turning flow control on/off, and tried another PT109.
strace shows data being written, but none being received, so my theories are either the interrupts aren't being generated (doubtful since the ports tested okay with DOS) or the serial driver isn't handling the interrupt. The serial handler shows up in /proc/interrupts when the port is opened. The interrupt counts do go up slowly, but not in response to activity that I can correlate:
[Code]...
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Jan 27, 2010
I have been searching for a software package that will install on CentOS5.4 x86_64 or RHEL5.4 x86_64 that I can allow users to access via the Internet for online web storage, pictures and they can manage their space (quota would be enforced). I am not having much luck finding any software?
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Oct 14, 2009
We just setup a HP DL380 with CentOS 5, and ran all of the latest updates.I am trying to attach a Compaq array (no model number) that is SCSI attached. I can see the array from the bios and created a raid group on it from there. However, from LVM and lvscan, I don't see it at all. I checked dmesg and there are no errors.Also, interestingly /proc/scsi/scsi is empty.
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Oct 15, 2010
I installed centos 5.5 Ent as host and i installed vmware server 2.2. i need to Change the location of the 'Virtual Machines' directory(/var/lib/vmware/Virtual Machines) to a directory on /home(/home/Virtual Machines) where there is more disk space.Reinstalling centos and reinstalling Vmware server is not the option for me.
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Jul 13, 2011
My goal is to connect up a bunch of CentOS 5.6 servers to storage array which is running as an SRP target. These servers will be running eventually as Xen hypervisors. I'm using Mellanox Infiniband cards and a Qlogic Infiniband switch.
OFED drivers are already installed as standard. I have done the following.
1. Base install of CentOS 5.6 X86_64
2. Installed the following packages...
openib
ibutils
srptools
infiniband-diags
opensm
[Code]...
It works perfectly and connects to the target immediately with great results. I'd just like this to happen correctly on startup.
To work around the issue I have added the line srp_daemon -e -o into the init script for opensm /etc/init.d/opensmd but it doesnt always start the srp_daemon process. Its rather hit and miss
I'd really like srp_daemon to run as a service with a proper init script but I wouldnt know how to write one. I understand that this issue has been addressed in the RHEL6 srptools package but that doesnt help me because the software I intend to use on these servers specifically requires 5.
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Oct 18, 2010
I have installed CentOS and Redhat5 on a LVM partition and selinux is enabled. Both OS's share the same /home partition with one user with the same login(gc) and same uid (1000). The problem I am having is that gc can login with all permissions etc on the OS that was installed first (CentOS). For the redhat OS gc can login but cannot write to the home directory (or startx since X needs to write to Xauthority)Here are outputs - 1st CentOS
[gc@shuttle ~]$ ll -Zd $HOME
drwx------ gc gc system_ubject_r:unlabeled_t /home/gc
[gc@shuttle ~]$ stat $HOME
[code]....
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Oct 27, 2009
I have a Biostar TA785GE which as I understand it, has a Realtek 8111DL on-board.
Booting with the default label from the 64-bit installation DVD crashes before any user input, with indecipherable text on-screen (text mode, not X11). Symptoms were the same with the Fedora 11 32-bit installation DVD and the Fedora 12 Live 32-bit CD. Booting with "linux text" mode shows a kernel panic in ":r8169:rtl8169_init_one+0x369/0x9d4" from "pci_device_probe+0x100/0x180".
Disabling the on-board NIC allowed the boot to proceed, and get as far as detecting the hard drive partitions (where I stopped it since Ubuntu is installed).
Ubuntu 9.04 Workstation(Desktop?) install DVD worked fine, and I've installed it and am using it to enter this. From Ubuntu 9.04 on this hardware:
- "uname -r" shows
Linux snoopy 2.6.28-16-generic #55-Ubuntu SMP Tue Oct 20 19:48:32 UTC 2009 x86_64 GNU/Linux
- "lsmod | egrep '816|811'" shows:
[Code].....
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Nov 19, 2009
Is there a way to determine the IO size that is being used for reads and writes to an attached storage device? I am trying to pattern the IO sequences to storage. I have seen mentions to max_sectors_kb but the notes indicated that changing this value did not change the IO size to the storage.
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