similar to: Software RAID in DomU - does it work?

Hi, I''m trying to setup my box as described below: - The Dom0 exports two disks as physical devices to the DomU - DomU use the two devices to assemble a software raid device (/dev/md0) - On the /dev/md0 I create a lvm volume group and lvm volumes on it. Everything seems to work fine if the lvm volumes on the DomU are lightly used. Under heavy load the DomU freeze up immediately. The

Hi, I have a running LVM-DRBD-Xen-HVM/Win2k3 cluster-stack under debian/ lenny managed by heartbeat/crm. At takeover/failover heartbeat first is stopping my HVM-domU with success apparently: -------------- corresponding heartbeat log line ----------------- greatmama-n2 lrmd: [3382]: info: RA output: (xendom_infra_win:stop:stdout) Domain infra-win2003sbs terminated All domains terminated

Hi I''ve recently setup CentOS 5.1 x64, with a Windows 2003 Web x64 domU and assigned 1 CPU & 1GB RAM to it. Today, which installing something in Windows, I notice that it takes ages to install a program. Running xm top, it doesn''t seem like it''s running out of RAM or CPU, and checking Windows Task Manager, I can see it consumes only 2 - 6% CPU, and 127MB RAM in

Hello fellow xenophiles and happy new year! I''ve documented the install procedure for a prototype server here since I found no similar document Anywhere on the net. It''s a Sarge-based Domain0 on linux root raid from scratch, using LVM to store the data for the domU mail server and its mailstore. I humbly submit my notes in the hope that they are useful to some weary traveller.

Dear All. I have set up a Xen testbed on a computer.(Dom0 use debian lenny) I would like to know the possible ways to monitor the network traffic of DomU''s from Dom0. # command ''xentop'' display NAME STATE CPU(sec) CPU(%) MEM(k) MEM(%) MAXMEM(k) MAXMEM(%) VCPUS NETS NETTX(k) NETRX(k) VBDS VBD_OO VBD_RD VBD_WR SSID debianlenny --b--- 14 0.0 270204 25.8 278528 26.6 1 0 0

Package: xen-utils-4.0 Version: 4.0.1-5.2 After clean upgrade from Lenny I got xend highly use CPU resources causing domU don't being created - due to timeouts for vifs and vbds (mostly CPU Steal Time was increasing - no iowaits). Tried Xen boot options acpi=noirq|ht without success. Option acpi=off solved that issue, but performance of the server was horrible. The final workaround was to

Hi, I am currently making some i/o performance tests within domUs with iozone3. One scenario is a domU with file-backed VBDs (root and swap) as sda1 and sda2 lying on an nfs-kernel-server (2.6.14.4 - Debian Sarge). The exact iozone command is: iozone -a -R -b result.xls -f /tmp/iozone.test -n 1m -g 256m -i 0 -i 1 As soon as the iozone-test comes to a filesize of 132M, the complete! system

I tried netperf / netserver with Dom0 / DomU, but I could''nt get a correct NW traffic with xentop. Is there anybody could help me? At Host1''s Dom0, run netperf -H VMIP At Host2''s DomU (with VMIP named TTVM), run netserver At Host1, run xentop this way ->"xentop -n -b -d 1" At Host2, run xentop this way->"xentop -n -b -d 1" In Host2''s

Hi *, when I try to start this config kernel = "/boot/vmlinuz-2.6.11-xenU" memory = 128 name = "Virtual1" vif = [ ''mac=aa:00:00:00:00:11, bridge=xen-br0'' ] disk = [ ''phy:vg00/domu01_lv,sda1,w'' ] root = "/dev/sda1 ro" extra = "4" I get this errors in xend.log (tried two times): [2005-05-23 13:37:22 xend] INFO

Hi, to make transitions more convenient, I've done this by using uuid instead of device names. If you ls -l /dev/disk/by-uuid inside your domU, you'll see something like lrwxrwxrwx 1 root root 10 5. Mai 07:38 39a2a64b-0716-47ad-92f4-a7437cac54ee -> ../../sda2 lrwxrwxrwx 1 root root 10 5. Mai 07:38 e8b97b59-a790-417c-8231-fe8da8b6e6ee -> ../../sda1 In /etc/fstab inside the domU,

Hi all, When I ran the experiments to compare an application''s execution time in both a domU (named cctest1) and a native Linux machine (named ccn10), I noticed the application executes faster in domU. The host of the domU (named ccn9) and ccn10 are two nodes of a cluster and they have same hardware configurations. domU (cctest1) is created by exporting loopback files from dom0 on

Hullo Everybody ; I am failing to start my new VM and it tells me unkown bootloader . Below are my parameters and output . Could somebody be having an idea of putting right this problem? [root@virtualintranet /]# xe vm-param-list uuid=70645ba3-bcbc-683b-099e-ed197301fcc2 uuid ( RO) : 70645ba3-bcbc-683b-099e-ed197301fcc2 name-label ( RW): PVG1

Hi all, When I ran the experiments to compare an application''s execution time in both a domU (named cctest1) and a native Linux machine (named ccn10), I noticed the application executes faster in domU. The host of the domU (named ccn9) and ccn10 are two nodes of a cluster and they have same hardware configurations. domU (cctest1) is created by exporting loopback files from dom0 on

Hello list! (resending, it seems the previous mail didn''t make it to the list) At some point Xen supported block-reconfigure to resize domU disks on the fly.. This is not working atm/anymore? Discussion about the subject.. (in the end of the thread): http://lists.xensource.com/archives/html/xen-users/2008-04/msg00246.html Support for online resizing Linux SCSI disks was accepted

i''ve external storage (2 x 1TB drives) attached via a Multilane SATA + RAID card (driver:sata_sil24). my goal is a file server in DomU, serving files from a RAID array of the two drives. my Dom0, fwiw, is OpenSuse 11.1. 3 types of file service will be provided: - large, media files will be served to the LAN - active data files will be served to other DomUs over a private bridge - a

So I have two hosts that I want to move domU''s between, but they do not have any shared disk. I am willing to suffer some downtime to move the domU''s, but not a lot (like maybe the time needed to do a reboot, but certainly not the time required to copy the virtual disks over). This is what I did. WARNING: THIS IS A HACK AND YOU SHOULD BE CAREFUL DOING THIS. But it worked for me

All, I have a domU running Ubuntu 12.04.1 LTS 64bit using PVonHVM which is working well but I noticed a quirk and just wanted to check it wasn''t just my misunderstanding. On my dom0 (Arch Linux, 64bit, AMD Phenom 2 X4 965 CPU, Xen 4.2.0 from my own PKGBUILD) I run "xl top" and xentop loads and shows all the currently running domains; only none of the domains have anything

Hi people, I am building a cheap remote rsync backup server using a software raid 5 array of 4 500GB disks. What I have available on the market is: 1. HITACHI GST Deskstar T7K500 500GB 7200rpm 16MB cache Serial ATA II-300 2. SEAGATE Barracuda 7200.10 with NCQ 500GB 7200rpm 16MB cache Serial ATA II-300 3. Western Digital 500GB SATAII RAID EDITION Caviar SE16 7200rpm 8.9ms 16MB cache I am

Hi, Mats, And more info: After I modified init script in DomU''s initrd, it can boot successfully. it is that i modified: mount -o defaults --ro -t ext3 /dev/root /sysroot to mount -o defaults --ro -t ext3 /dev/sda1 /sysroot it seems DomU loader just can''t find out which is the root device. I don''t know why it works, so I checked the mails before, and still

Is there a reason why after a software raid install (from kickstart) that md1 is always unclean. md0 seems fine. boot screen says md1 is dirty and cat /proc/mdstat show md1 as being rebuilt. Any ideas? Jerry --------------- my kickstart -------------- echo "bootloader --location=mbr --driveorder=$HD1SHORT --append=\"rhgb quiet\" " >