similar to: Minimal ram to use on Dom0

Hi all, I have a rhel 5.1 xen server with two rhel 3 ES hvm guests installed. Both rhel3 guests use an internal xen bridge (xenbr1) which it isn''t binded to any physical interface host. On this bridge throughput it is very very poor, only 2.5 Mbs. How can I increase this throughput??? Many thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all, I need to setup a repo server to allocate updates for RHEL3, RHEL4, RHEL5 and CentOS5. Apart of mrrepo tool, I see that I can use reposync from yum-utils package and yum-rhn-plugin package to setup a mirror update server. But I can't to find yum-rhn-plugin under centos5 repo. Where is it?? Or I need to use package released from upstream vendor?? Thanks -- CL Martinez

Hi all, Is it possible to use a nfs share to serve as a glusterfs server process?? For example: I have a host that mounts a nfs share from a solaris server under /mnt. Can I use this /mnt directory for a glusterfs server?? Thanks. -- CL Martinez carlopmart {at} gmail {d0t} com

Hi all I have a very strange problem on my CentOS 5.3 laptop. I have installed latest firefox version from updates repository (3.0.7) with flash-plugin downloaded from adobe website. When i open firefox and i need to access to some web site with flash content, firefox crash with this message: /usr/lib/firefox-3.0.7/run-mozilla.sh: line 131: 9133 Segmentation fault "$prog"

Hi all, I need to monitor all traffic and block bad requests on my guest machines and also on my xen host. To accomplish this I think to install snort on my dom0 host (rhel5). Somebody have tried this? What about performance on guests?? Many thanks ... -- CL Martinez carlopmart {at} gmail {d0t} com _______________________________________________ Xen-users mailing list

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.

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

Hi all, I have a strange problem with postfix on a CentOS 5.1 (fully patched). Every time that postfix sends a message to public smtp servers generates an autoresponse mail to sender about delay ... Somebody knows how can I fix this?? -- CL Martinez carlopmart {at} gmail {d0t} com

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 to all in the list, we are trying to do some tests lab for a large scale mail system having this requirements: - Scale to maybe 1million users(Only for testing). - Server side filters. - User quotas. - High concurrency. - High performance and High Availability. We plan to test this using RHEL5 and maybe RHEL6. As a storage we are going to use an HP EVA 8400 FC(8 GB/s) We defined this

Hi all, I have setup a local yum repository for CentOS-3 and CentOS-5. Servers can download and install updates correctly, but apache returns me this error every time that a centos-3 machine do a yum update: [Tue Oct 30 12:36:48 2007] [error] [client 172.25.50.30] (70014)End of file found: mod_mime_magic: read failed from uncompress of

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