<div class="gmail_quote">On Tue, Mar 17, 2009 at 1:03 PM, brent timothy saner <<a href="mailto:brent.saner@gmail.com">brent.saner@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 <div class="im"> Victor Padro wrote: > Hello, > > I'm trying to setup loadbalanced high-availability apache cluster based > on ubuntu 8.04 using this how-to </div>> <<a href="http://www.howtoforge.com/set-up-a-loadbalanced-ha-apache-cluster-ubuntu8.04" target="_blank">http://www.howtoforge.com/set-up-a-loadbalanced-ha-apache-cluster-ubuntu8.04</a>>, <div class="im">> using a couple of openvz containers, but I get stuck when I do this: > > root@webserver01:~# modprobe ip_vs_dh > FATAL: Could not load /lib/modules/2.6.24-2-pve/modules.dep: No such > file or directory > > Do I have to load the modules directly from the host? > or is there a nice how-to, tutorial to setup a loadbalacing apache > cluster using containers that you guys know? > </div>i was about to ask if this was on the host or guest but you answered it for me :) module loading needs to be done on the host; openvz is a shared-kernel system (meaning the guests share the host kernel) so from a security standpoint, it doesn't make much sense to allow the guests to have control over the host's kernel/modules. </blockquote><div> Actually I've loaded the modules in the host and the result is the same: proxmox:~# modprobe ip_vs_ftp proxmox:~# proxmox:~# lsmod Module Size Used by ip_vs_ftp 15492 0 ip_vs 105696 2 ip_vs_ftp kvm_intel 57960 0 kvm 191752 1 kvm_intel vzethdev 23808 0 vznetdev 32776 4 simfs 14320 2 vzrst 155688 0 vzcpt 129976 0 tun 23168 2 vzrst,vzcpt vzdquota 58864 2 [permanent] vzmon 58520 6 vzethdev,vznetdev,vzrst,vzcpt vzdev 13064 4 vzethdev,vznetdev,vzdquota,vzmon xt_tcpudp 12288 0 xt_length 10752 0 ipt_ttl 10752 0 xt_tcpmss 11264 0 xt_TCPMSS 13568 0 iptable_mangle 13824 2 iptable_filter 13696 2 xt_multiport 12288 0 xt_limit 12032 0 ipt_tos 10496 0 ipt_REJECT 13952 0 ip_tables 33256 2 iptable_mangle,iptable_filter x_tables 33672 10 xt_tcpudp,xt_length,ipt_ttl,xt_tcpmss,xt_TCPMSS ,xt_multiport,xt_limit,ipt_tos,ipt_REJECT,ip_tables ipv6 342016 41 vzrst,vzcpt,vzmon bridge 73128 0 dm_snapshot 28256 0 dm_mirror 34432 0 e1000 176068 0 thermal 27168 0 button 18336 0 intel_agp 38304 0 processor 49768 1 thermal evdev 22912 0 pcspkr 12288 0 scsi_wait_scan 10112 0 dm_mod 79736 9 dm_snapshot,dm_mirror usbhid 43616 0 hid 52544 1 usbhid usb_storage 90304 0 libusual 31072 1 usb_storage sd_mod 40448 3 sr_mod 27684 0 ide_disk 26496 0 ide_generic 9856 0 [permanent] ide_cd 43040 0 cdrom 48936 2 sr_mod,ide_cd ide_core 144152 3 ide_disk,ide_generic,ide_cd shpchp 45596 0 pci_hotplug 43312 1 shpchp uhci_hcd 37408 0 ehci_hcd 48908 0 usbcore 178608 6 usbhid,usb_storage,libusual,uhci_hcd,ehci_hcd iTCO_wdt 22992 0 iTCO_vendor_support 13188 1 iTCO_wdt i2c_i801 19740 0 i2c_core 36352 1 i2c_i801 ata_piix 31492 2 pata_marvell 16768 0 pata_acpi 17152 0 ata_generic 17412 0 libata 184496 4 ata_piix,pata_marvell,pata_acpi,ata_generic scsi_mod 187192 5 scsi_wait_scan,usb_storage,sd_mod,sr_mod,libata isofs 47144 0 msdos 19712 0 fat 67760 1 msdos root@webserver01:~# modprobe ip_vs_ftp FATAL: Could not load /lib/modules/2.6.24-2-pve/modules.dep: No such file or directory any other hint? </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> if you would like to avoid this, Xen allows for private kernels i believe (as long as you're using paravirtualization.. can a Xen guru correct me if i'm wrong on this?) <div class="im"> > googling around found this: > <a href="http://lbvm.sourceforge.net/" target="_blank">http://lbvm.sourceforge.net/</a> > which only works under red hat clustering services > is there an alternative for debian/ubuntu? > > my host is a proxmox(debian) machine using several ubuntu/debian > containers and VMs > > TIA > </div>looks like it is supported pretty well- per the homepage, "The LBVM consists of several scripts that allow to load balance virtual machines (**currently preconfigured: Xen and OpenVZ**) among physical servers - the algorithm is fully configurable. LBVM uses the Red Hat Cluster Suite to provide high availability and rgmanager (part of the Red Hat Cluster Suite) to perform the actual migration." (emphasis added) </blockquote><div> It is a nice tool for a rhel/centos but I will still love to use in debian/ubuntu though. </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - <a href="http://enigmail.mozdev.org" target="_blank">http://enigmail.mozdev.org</a> iEYEARECAAYFAkm/8/EACgkQ8u2Zh4MtlQradgCgrRBnm8SWnlEdP9IP9ozjpP2/ qv4AoKIFrACXIqnXV08cf06tmBR1yhYK =rwWI -----END PGP SIGNATURE----- </blockquote></div> -- "It is human nature to think wisely and act in an absurd fashion." "Todo el desorden del mundo proviene de las profesiones mal o mediocremente servidas"