similar to: Using md0 as a virtio block device

Hi all, I have setup a raid1 between two iscsi disks and mdadm command goes well. Problems starts when i rebooted the server (CentOS 5.4 fully updated): raid is lost, and i don't understand why. "mdadm --detail --scan" doesn't returns me any output. "mdadm --examine --scan" returns me: ARRAY /dev/md0 level=raid1 num-devices=2

Buf ... Solved. Problem was that /etc/pam.d/racoon doesn't exists (I found this tip on NetBSD ipsec pages). Simply I have copied /etc/pam.d/passwd to /etc/pam.d/racoon and now all works as expected. Many thanks for your help Ross. Ross S. W. Walker wrote: > > I think it might just use another one like /etc/pam.d/remote > cause I audited the package and it wasn't there.

Sorry Dag, it is possible to use linux as a roadwarrior client: http://www.fw-1.de/aerasec/ng/vpn-racoon/CP-VPN1-NG-Linux-racoon-roadwarrior.html -------- Original Message -------- Subject: Re: [CentOS] Connecting CentOS to IPSEC VPN (Checkpoint FW1) Date: Mon, 21 Aug 2006 15:20:55 +0200 From: carlopmart <carlopmart at gmail.com> To: CentOS mailing list <centos at centos.org>

Hi all, I have two centos 5.4 servers that I use to run several windows kvm guests (10). All works ok (more or less) but I have a problem with backups. These windows guests are configured to use lvm partitions as a virtual disks. My problem is when I need to do guests backups. which is the best form to backup and restore these windows guests? Some examples? I see snapshot's lvm

Hi all, Recently I have installed a centOS 5.4 server to use as a home NAS server. I need to use large files (8GB minimum) inside of it to serve via iSCSI services. Which filesystem do you recommends me to reach maximum performance: xfs, ext3, ext4, gfs2 ....?? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, Does usb redirection works?? I am trying to assign to a Win7 kvm guest an usb HP printer without luck ... My second attempt is to use usb redirection, but according to Redhat's docs, this option is only available for windows using RHEV ... Is this correct?? Exists another tool to assign a printer via usb to a kvm guest?? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, Recentlly, I have installed a Windows 7 Enterprise kvm guest under a CentOS 5.4 kvm host (fully updated) using virtio drivers and all works ok except two things: sound and vga resolution. a) How can I increase vga resolution to 1440x900 or is not possible to configure more than 1024x768 when virt-manager is used?? b) I have assigned a sound device to this windows guest (ac97)

Hi all, I need to install a virtual machine acting as a virtual storage server under CentOS 5.x (using kvm, xen, virtualbox or vmware). This virtual storage machine needs to server storage to another ESXi server and at the same time to the host where is installed. This is due to the limitations of hardware I have available. Both hosts needs to server several machines. It is very

Hi all, I have a strange problem with qemu img disks allocated in a nfs share on a CentOS 6.4 host. Every time when I try to start a vm this error appears: char device redirected to /dev/pts/1 qemu-kvm: -drive file=/data/vmachines/win2k12adsrv/win2k12vol01.img,if=none,id=drive-virtio-disk0,format=qcow2,cache=none: could not open disk image /data/vmachines/win2k12adsrv/win2k12vol01.img:

Hi all, How can I avoid sharing interrupts in a kvm guest? I have installed a debian 7 guest in a centos 6.4 host with 5 virtio vnics and 2 virtio disks and irq11 is used by eth2, eth3, eth4 and irq10 eth0, eth1 ... Is it possible to avoid this situation?? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, How can I manage automatically memory ballooning under a kvm host (C5.6 and future C6)?? For example if I define a kvm guest to boot up with 512MB of RAM and I have configured 1GB as a maximum memory for this guest, how can I allocate this memory when guest will need it?? And the opposite question, can memory balloon be deallocated?? And is it possible to do this automatically or

Hi all, I need to move ten CentOS/RHEL 5.4 vmware guests from a vmware ESXi 4 host to a CentOS 5.4 KVM host (fully patched). But I have two doubts. First: all these guests have two e1000 network drivers defined as a eth0,eth1 and modprobe.conf file is the same on all: alias eth0 e1000 alias eth1 e1000 alias net-pf-10 off options ipv6 disable=1 Can I change e1000 driver to

Hi all, I order to reach maximum performance on my centos kvm hosts I have use these params: - On /etc/grub.conf: kernel /vmlinuz-2.6.18-164.11.1.el5 ro root=LABEL=/ elevator=deadline quiet - On sysctl.conf # Special network params net.core.rmem_default = 8388608 net.core.wmem_default = 8388608 net.core.rmem_max = 16777216 net.core.wmem_max = 16777216

Hi all, sombedy have tried to use a centOS 5.4 host as a iscsi target for ESXi 4?? any problems?? Or is it best to use NFS??? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, With the latest kvm updates, somebody have tried to install windows 2008 R2/windows 7 as a kvm guest using e1000 or virtio net driver?? Works with the windows installer?? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, Somebody knows how can I extract/know an ip address used by a kvm guest using a script?? For example I have the following guests: [root at kvmsrv01 bin]# virsh list --all Id Name State ---------------------------------- 1 linclunode01 running 2 linmgmt running 5 win7desktop running I know that linclunode01 has 172.25.50.1 as

Hi all, How can I see what vnet is attached to a certain kvm guest?? For example: I have a kvmguest1. When I launch this guest with virsh command, virsh creates a new vnetX interface for this guest. How can I extract this virtual net interface (vnet0, vnet1, vnet2 or so on) using a script?? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all Sombedody can points me to a good tutorial about using high availabilty clusters with xen using heratbeat2, ocfs2 and evms under rhel/centos, debian or sles?? I am doing various searches without a result ... (google shows me a lot of references, mailing lists, etc but not a good doc) Many thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, Where I can find docs about config a bridge interface under CentOS 4.3?? I can not find anything on Redhat and CentOS sites about this. many thanks -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, Somebody knows when RHCS for CentOS 4 will be out??? -- CL Martinez carlopmart {at} gmail {d0t} com