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(KVM) How can I migrate VM in a non shared storage environment?
by Poh Yong Hwang 24 Jun '10

24 Jun '10

Hi, 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? Thanks! YongSan

6 6

The Host cpu(s) in this machine do not have support for full virtualization
by Armando Montiel Caba 22 Jun '10

22 Jun '10

Hi, I'm geting this message from virt-manager. Server: SuperMicro X8SIL with INTEL X3440 Here is my logs /var/log/dmesg: Bootdata ok (command line is ro root=/dev/md2) Linux version 2.6.18-194.3.1.el5xen (mockbuild(a)builder10.centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Thu May 13 13:49:53 EDT 2010 BIOS-provided physical RAM map: Xen: 0000000000000000 - 00000001dc26c000 (usable) On node 0 totalpages: 1950316 DMA zone: 1950316 pages, LIFO batch:31 DMI present. ACPI: RSDP (v002 ACPIAM ) @ 0x00000000000fa110 ACPI: XSDT (v001 SMCI 0x20100225 MSFT 0x00000097) @ 0x00000000bf7a0100 ACPI: FADT (v003 022510 FACP1918 0x20100225 MSFT 0x00000097) @ 0x00000000bf7a0290 ACPI: MADT (v001 022510 APIC1918 0x20100225 MSFT 0x00000097) @ 0x00000000bf7a0390 ACPI: MCFG (v001 022510 OEMMCFG 0x20100225 MSFT 0x00000097) @ 0x00000000bf7a0430 ACPI: OEMB (v001 022510 OEMB1918 0x20100225 MSFT 0x00000097) @ 0x00000000bf7ae040 ACPI: HPET (v001 022510 OEMHPET 0x20100225 MSFT 0x00000097) @ 0x00000000bf7aa5f0 ACPI: GSCI (v001 022510 GMCHSCI 0x20100225 MSFT 0x00000097) @ 0x00000000bf7ae0c0 ACPI: DMAR (v001 AMI OEMDMAR 0x00000001 MSFT 0x00000097) @ 0x00000000bf7b00f0 ACPI: SSDT (v001 DpgPmm CpuPm 0x00000012 INTL 0x20051117) @ 0x00000000bf7b2800 ACPI: EINJ (v001 AMIER AMI_EINJ 0x20100225 MSFT 0x00000097) @ 0x00000000bf7aa630 ACPI: BERT (v001 AMIER AMI_BERT 0x20100225 MSFT 0x00000097) @ 0x00000000bf7aa7c0 ACPI: ERST (v001 AMIER AMI_ERST 0x20100225 MSFT 0x00000097) @ 0x00000000bf7aa7f0 ACPI: HEST (v001 AMIER ABC_HEST 0x20100225 MSFT 0x00000097) @ 0x00000000bf7aa9a0 ACPI: DSDT (v001 10605 10605000 0x00000000 INTL 0x20051117) @ 0x0000000000000000 ACPI: Local APIC address 0xfee00000 ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x04] enabled) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x06] enabled) ACPI: LAPIC (acpi_id[0x05] lapic_id[0x01] enabled) ACPI: LAPIC (acpi_id[0x06] lapic_id[0x03] enabled) ACPI: LAPIC (acpi_id[0x07] lapic_id[0x05] enabled) ACPI: LAPIC (acpi_id[0x08] lapic_id[0x07] enabled) ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0]) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) ACPI: IRQ0 used by override. ACPI: IRQ2 used by override. ACPI: IRQ9 used by override. Setting APIC routing to xen Using ACPI (MADT) for SMP configuration information Allocating PCI resources starting at c2000000 (gap: c0000000:20000000) Built 1 zonelists. Total pages: 1950316 Kernel command line: ro root=/dev/md2 Initializing CPU#0 PID hash table entries: 4096 (order: 12, 32768 bytes) Xen reported: 2533.406 MHz processor. Console: colour VGA+ 80x25 Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) Software IO TLB enabled: Aperture: 64 megabytes Kernel range: 0xffff88000a357000 - 0xffff88000e357000 PCI-DMA: Using software bounce buffering for IO (SWIOTLB) Memory: 7563760k/7801264k available (2512k kernel code, 228628k reserved, 1396k data, 184k init) Calibrating delay using timer specific routine.. 6334.75 BogoMIPS (lpj=12669518) Security Framework v1.0.0 initialized SELinux: Initializing. SELinux: Starting in permissive mode selinux_register_security: Registering secondary module capability Capability LSM initialized as secondary Mount-cache hash table entries: 256 CPU: L1 I cache: 32K, L1 D cache: 32K CPU: L2 cache: 256K CPU: L3 cache: 8192K CPU: Physical Processor ID: 0 CPU: Processor Core ID: 0 (SMP-)alternatives turned off ACPI: Core revision 20060707 Initializing CPU#1 Initializing CPU#2 Initializing CPU#3 Initializing CPU#4 Initializing CPU#5 Initializing CPU#6 Brought up 8 CPUs sizeof(vma)=168 bytes sizeof(page)=56 bytes sizeof(inode)=560 bytes sizeof(dentry)=216 bytes sizeof(ext3inode)=760 bytes sizeof(buffer_head)=96 bytes sizeof(skbuff)=248 bytes Initializing CPU#7 migration_cost=15 checking if image is initramfs... it is Grant table initialized NET: Registered protocol family 16 ACPI: bus type pci registered PCI: Not using MMCONFIG. PCI: Using configuration type 1 ACPI: Interpreter enabled ACPI: Using IOAPIC for interrupt routing ACPI: No dock devices found. ACPI: PCI Root Bridge [PCI0] (0000:00) PCI: Transparent bridge - 0000:00:1e.0 ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.P0P3._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.P0P5._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.BR1E._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.BR20._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.BR24._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.BR25._PRT] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 6 7 *10 11 12 14 15) ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 6 7 10 *11 12 14 15) ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 6 *7 10 11 12 14 15) ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 6 7 10 11 12 *14 15) ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 6 7 10 11 12 14 15) *0, disabled. ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 6 7 10 11 12 14 15) *0, disabled. ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 6 7 10 11 12 14 15) *0, disabled. ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 6 7 10 11 12 14 *15) Linux Plug and Play Support v0.97 (c) Adam Belay pnp: PnP ACPI init pnp: PnP ACPI: found 15 devices xen_mem: Initialising balloon driver. usbcore: registered new driver usbfs usbcore: registered new driver hub PCI: Using ACPI for IRQ routing PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report NetLabel: Initializing NetLabel: domain hash size = 128 NetLabel: protocols = UNLABELED CIPSOv4 NetLabel: unlabeled traffic allowed by default pnp: 00:08: ioport range 0x164e-0x164f has been reserved pnp: 00:09: ioport range 0xa00-0xa0f has been reserved pnp: 00:09: ioport range 0xa10-0xa1f has been reserved PCI: Bridge: 0000:00:03.0 IO window: disabled. MEM window: disabled. PREFETCH window: disabled. PCI: Bridge: 0000:00:05.0 IO window: disabled. MEM window: disabled. PREFETCH window: disabled. PCI: Bridge: 0000:00:1c.0 IO window: disabled. MEM window: disabled. PREFETCH window: disabled. PCI: Bridge: 0000:00:1c.4 IO window: d000-dfff MEM window: fb500000-fb5fffff PREFETCH window: disabled. PCI: Bridge: 0000:00:1c.5 IO window: e000-efff MEM window: fb600000-fb6fffff PREFETCH window: disabled. PCI: Bridge: 0000:00:1e.0 IO window: disabled. MEM window: fb700000-fbffffff PREFETCH window 0x00000000fa000000-0x00000000faffffff GSI 16 sharing vector 0x98 and IRQ 16 ACPI: PCI Interrupt 0000:00:03.0[A] -> GSI 16 (level, low) -> IRQ 16 PCI: Setting latency timer of device 0000:00:03.0 to 64 ACPI: PCI Interrupt 0000:00:05.0[A] -> GSI 16 (level, low) -> IRQ 16 PCI: Setting latency timer of device 0000:00:05.0 to 64 GSI 17 sharing vector 0xA0 and IRQ 17 ACPI: PCI Interrupt 0000:00:1c.0[A] -> GSI 17 (level, low) -> IRQ 17 PCI: Setting latency timer of device 0000:00:1c.0 to 64 ACPI: PCI Interrupt 0000:00:1c.4[A] -> GSI 17 (level, low) -> IRQ 17 PCI: Setting latency timer of device 0000:00:1c.4 to 64 ACPI: PCI Interrupt 0000:00:1c.5[B] -> GSI 16 (level, low) -> IRQ 16 PCI: Setting latency timer of device 0000:00:1c.5 to 64 PCI: Setting latency timer of device 0000:00:1e.0 to 64 NET: Registered protocol family 2 IP route cache hash table entries: 262144 (order: 9, 2097152 bytes) TCP established hash table entries: 262144 (order: 10, 4194304 bytes) TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) TCP: Hash tables configured (established 262144 bind 65536) TCP reno registered audit: initializing netlink socket (disabled) type=2000 audit(1277201045.924:1): initialized VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 512 (order 0, 4096 bytes) SELinux: Registering netfilter hooks Initializing Cryptographic API alg: No test for crc32c (crc32c-generic) ksign: Installing public key data Loading keyring - Added public key 7664334D64FC7447 - User ID: CentOS (Kernel Module GPG key) io scheduler noop registered io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered (default) Boot video device is 0000:06:03.0 PCI: Setting latency timer of device 0000:00:03.0 to 64 PCI: Setting latency timer of device 0000:00:05.0 to 64 PCI: Setting latency timer of device 0000:00:1c.0 to 64 PCI: Setting latency timer of device 0000:00:1c.4 to 64 PCI: Setting latency timer of device 0000:00:1c.5 to 64 pci_hotplug: PCI Hot Plug PCI Core version: 0.5 ACPI (exconfig-0456): Dynamic SSDT Load - OemId [DpgPmm] OemTableId [ P001Ist] [20060707] ACPI (exconfig-0456): Dynamic SSDT Load - OemId [ PmRef] OemTableId [ P001Cst] [20060707] ACPI: CPU0 (power states: C1[C1] C2[C2] C3[C3]) ACPI: CPU1 (power states: C1[C1] C2[C2] C3[C3]) ACPI: CPU2 (power states: C1[C1] C2[C2] C3[C3]) ACPI: CPU3 (power states: C1[C1] C2[C2] C3[C3]) ACPI: CPU4 (power states: C1[C1] C2[C2] C3[C3]) ACPI: CPU5 (power states: C1[C1] C2[C2] C3[C3]) ACPI: CPU6 (power states: C1[C1] C2[C2] C3[C3]) ACPI: CPU7 (power states: C1[C1] C2[C2] C3[C3]) Real Time Clock Driver v1.12ac hpet_acpi_add: no address or irqs in _CRS Non-volatile memory driver v1.2 Linux agpgart interface v0.101 (c) Dave Jones brd: module loaded Xen virtual console successfully installed as ttyS0 Event-channel device installed. Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx Probing IDE interface ide0... Probing IDE interface ide1... ide-floppy driver 0.99.newide usbcore: registered new driver hiddev usbcore: registered new driver usbhid drivers/usb/input/hid-core.c: v2.6:USB HID core driver PNP: No PS/2 controller found. Probing ports directly. serio: i8042 KBD port at 0x60,0x64 irq 1 serio: i8042 AUX port at 0x60,0x64 irq 12 mice: PS/2 mouse device common for all mice md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27 md: bitmap version 4.39 TCP bic registered Initializing IPsec netlink socket NET: Registered protocol family 1 NET: Registered protocol family 17 Initalizing network drop monitor service Write protecting the kernel read-only data: 483k GSI 18 sharing vector 0xD0 and IRQ 18 ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 23 (level, low) -> IRQ 18 PCI: Setting latency timer of device 0000:00:1d.0 to 64 ehci_hcd 0000:00:1d.0: EHCI Host Controller ehci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 1 ehci_hcd 0000:00:1d.0: debug port 2 PCI: cache line size of 32 is not supported by device 0000:00:1d.0 ehci_hcd 0000:00:1d.0: irq 18, io mem 0xfb4fc000 ehci_hcd 0000:00:1d.0: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004 usb usb1: configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub found hub 1-0:1.0: 2 ports detected ohci_hcd: 2005 April 22 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI) USB Universal Host Controller Interface driver v3.0 md: raid1 personality registered for level 1 SCSI subsystem initialized libata version 3.00 loaded. ata_piix 0000:00:1f.2: version 2.12 GSI 19 sharing vector 0xD8 and IRQ 19 ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 19 ata_piix 0000:00:1f.2: MAP [ P0 -- P1 -- ] PCI: Setting latency timer of device 0000:00:1f.2 to 64 scsi0 : ata_piix scsi1 : ata_piix ata1: SATA max UDMA/133 cmd 0xcc00 ctl 0xc880 bmdma 0xc400 irq 19 ata2: SATA max UDMA/133 cmd 0xc800 ctl 0xc480 bmdma 0xc408 irq 19 usb 1-1: new high speed USB device using ehci_hcd and address 2 usb 1-1: configuration #1 chosen from 1 choice hub 1-1:1.0: USB hub found hub 1-1:1.0: 8 ports detected ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata1.00: ATA-8: WDC WD1002FBYS-02A6B0, 03.00C06, max UDMA/133 ata1.00: 1953525168 sectors, multi 16: LBA48 NCQ (depth 0/32) ata1.00: configured for UDMA/133 ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ata2.00: ATA-8: WDC WD1002FBYS-02A6B0, 03.00C06, max UDMA/133 ata2.00: 1953525168 sectors, multi 16: LBA48 NCQ (depth 0/32) ata2.00: configured for UDMA/133 Vendor: ATA Model: WDC WD1002FBYS-0 Rev: 03.0 Type: Direct-Access ANSI SCSI revision: 05 SCSI device sda: 1953525168 512-byte hdwr sectors (1000205 MB) sda: Write Protect is off sda: Mode Sense: 00 3a 00 00 SCSI device sda: drive cache: write back SCSI device sda: 1953525168 512-byte hdwr sectors (1000205 MB) sda: Write Protect is off sda: Mode Sense: 00 3a 00 00 SCSI device sda: drive cache: write back sda: sda1 sda2 sda3 sd 0:0:0:0: Attached scsi disk sda Vendor: ATA Model: WDC WD1002FBYS-0 Rev: 03.0 Type: Direct-Access ANSI SCSI revision: 05 SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB) sdb: Write Protect is off sdb: Mode Sense: 00 3a 00 00 SCSI device sdb: drive cache: write back SCSI device sdb: 1953525168 512-byte hdwr sectors (1000205 MB) sdb: Write Protect is off sdb: Mode Sense: 00 3a 00 00 SCSI device sdb: drive cache: write back sdb: sdb1 sdb2 sdb3 sd 1:0:0:0: Attached scsi disk sdb ACPI: PCI Interrupt 0000:00:1f.5[B] -> GSI 19 (level, low) -> IRQ 19 ata_piix 0000:00:1f.5: MAP [ P0 -- P1 -- ] PCI: Setting latency timer of device 0000:00:1f.5 to 64 scsi2 : ata_piix scsi3 : ata_piix ata3: SATA max UDMA/133 cmd 0xbc00 ctl 0xb880 bmdma 0xb400 irq 19 ata4: SATA max UDMA/133 cmd 0xb800 ctl 0xb480 bmdma 0xb408 irq 19 ata3: SATA link down (SStatus 0 SControl 300) ata4: SATA link down (SStatus 0 SControl 300) Initializing USB Mass Storage driver... usbcore: registered new driver usb-storage USB Mass Storage support registered. device-mapper: uevent: version 1.0.3 device-mapper: ioctl: 4.11.5-ioctl (2007-12-12) initialised: dm-devel(a)redhat.com device-mapper: dm-raid45: initialized v0.2594l md: Autodetecting RAID arrays. md: autorun ... md: considering sdb3 ... md: adding sdb3 ... md: sdb2 has different UUID to sdb3 md: sdb1 has different UUID to sdb3 md: adding sda3 ... md: sda2 has different UUID to sdb3 md: sda1 has different UUID to sdb3 md: created md2 md: bind<sda3> md: bind<sdb3> md: running: <sdb3><sda3> raid1: raid set md2 active with 2 out of 2 mirrors md: considering sdb2 ... md: adding sdb2 ... md: sdb1 has different UUID to sdb2 md: adding sda2 ... md: sda1 has different UUID to sdb2 md: created md1 md: bind<sda2> md: bind<sdb2> md: running: <sdb2><sda2> raid1: raid set md1 active with 2 out of 2 mirrors md: considering sdb1 ... md: adding sdb1 ... md: adding sda1 ... md: created md0 md: bind<sda1> md: bind<sdb1> md: running: <sdb1><sda1> raid1: raid set md0 active with 2 out of 2 mirrors md: ... autorun DONE. md: Autodetecting RAID arrays. md: autorun ... md: ... autorun DONE. kjournald starting. Commit interval 5 seconds EXT3-fs: mounted filesystem with ordered data mode. SELinux: Disabled at runtime. SELinux: Unregistering netfilter hooks type=1404 audit(1277201077.722:2): selinux=0 auid=4294967295 ses=4294967295 input: PC Speaker as /class/input/input0 sd 0:0:0:0: Attached scsi generic sg0 type 0 sd 1:0:0:0: Attached scsi generic sg1 type 0 shpchp: Standard Hot Plug PCI Controller Driver version: 0.4 Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled e1000e: Intel(R) PRO/1000 Network Driver - 1.0.2-k3 e1000e: Copyright (c) 1999-2008 Intel Corporation. ACPI: PCI Interrupt 0000:04:00.0[A] -> GSI 16 (level, low) -> IRQ 16 PCI: Setting latency timer of device 0000:04:00.0 to 64 eth0: (PCI Express:2.5GB/s:Width x1) 00:25:90:04:78:74 eth0: Intel(R) PRO/1000 Network Connection eth0: MAC: 3, PHY: 8, PBA No: 0101ff-0ff ACPI: PCI Interrupt 0000:05:00.0[A] -> GSI 17 (level, low) -> IRQ 17 PCI: Setting latency timer of device 0000:05:00.0 to 64 eth1: (PCI Express:2.5GB/s:Width x1) 00:25:90:04:78:75 eth1: Intel(R) PRO/1000 Network Connection eth1: MAC: 3, PHY: 8, PBA No: 0101ff-0ff GSI 20 sharing vector 0x51 and IRQ 20 ACPI: PCI Interrupt 0000:00:1f.3[C] -> GSI 18 (level, low) -> IRQ 20 Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled floppy0: no floppy controllers found lp: driver loaded but no devices found ACPI: Power Button (FF) [PWRF] ACPI: Power Button (CM) [PWRB] ACPI: Mapper loaded dell-wmi: No known WMI GUID found md: Autodetecting RAID arrays. md: autorun ... md: ... autorun DONE. device-mapper: multipath: version 1.0.5 loaded loop: loaded (max 8 devices) EXT3 FS on md2, internal journal kjournald starting. Commit interval 5 seconds EXT3 FS on md0, internal journal EXT3-fs: mounted filesystem with ordered data mode. Adding 8193016k swap on /dev/md1. Priority:-1 extents:1 across:8193016k* * # cat /var/log/xen/console/hypervisor.log (xm dmesg) __ __ _____ _ ____ _ ___ _ _ _____ _ _ ____ \ \/ /___ _ __ |___ / / | |___ \ / |/ _ \| || | |___ / / | ___| | ___| \ // _ \ '_ \ |_ \ | | __) |__| | (_) | || |_ |_ \ | | / _ \ |___ \ / \ __/ | | | ___) || |_ / __/|__| |\__, |__ _| ___) || || __/ |___) | /_/\_\___|_| |_| |____(_)_(_)_____| |_| /_/ |_|(_)____(_)_(_)___|_|____/ http://www.cl.cam.ac.uk/netos/xen University of Cambridge Computer Laboratory Xen version 3.1.2-194.3.1.el5 (mockbuild(a)centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) Thu May 13 12:59:18 EDT 2010 Latest ChangeSet: unavailable (XEN) Command line: (XEN) Video information: (XEN) VGA is text mode 80x25, font 8x16 (XEN) VBE/DDC methods: none; EDID transfer time: 0 seconds (XEN) EDID info not retrieved because no DDC retrieval method detected (XEN) Disc information: (XEN) Found 2 MBR signatures (XEN) Found 2 EDD information structures (XEN) Xen-e820 RAM map: (XEN) 0000000000000000 - 000000000009ec00 (usable) (XEN) 000000000009ec00 - 00000000000a0000 (reserved) (XEN) 00000000000e0000 - 0000000000100000 (reserved) (XEN) 0000000000100000 - 00000000bf790000 (usable) (XEN) 00000000bf79e000 - 00000000bf7a0000 type 9 (XEN) 00000000bf7a0000 - 00000000bf7ae000 (ACPI data) (XEN) 00000000bf7ae000 - 00000000bf7d0000 (ACPI NVS) (XEN) 00000000bf7d0000 - 00000000bf7e0000 (reserved) (XEN) 00000000bf7ed000 - 00000000c0000000 (reserved) (XEN) 00000000e0000000 - 00000000f0000000 (reserved) (XEN) 00000000fed20000 - 00000000fed40000 (reserved) (XEN) 00000000fee00000 - 00000000fee01000 (reserved) (XEN) 0000000100000000 - 0000000240000000 (usable) (XEN) System RAM: 8183MB (8379576kB) (XEN) Xen heap: 13MB (13712kB) (XEN) Domain heap initialised: DMA width 32 bits (XEN) Processor #0 7:14 APIC version 21 (XEN) Processor #2 7:14 APIC version 21 (XEN) Processor #4 7:14 APIC version 21 (XEN) Processor #6 7:14 APIC version 21 (XEN) Processor #1 7:14 APIC version 21 (XEN) Processor #3 7:14 APIC version 21 (XEN) Processor #5 7:14 APIC version 21 (XEN) Processor #7 7:14 APIC version 21 (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23 (XEN) Enabling APIC mode: Flat. Using 1 I/O APICs (XEN) Using scheduler: SMP Credit Scheduler (credit) (XEN) Detected 2533.407 MHz processor. (XEN) , L1 D cache: 32K (XEN) VMX: VPID is available. (XEN) HVM: VMX enabled (XEN) HVM: Hardware Assisted Paging detected and enabled. (XEN) VMX: MSR intercept bitmap enabled (XEN) I/O virtualisation disabled (XEN) CPU0: Intel(R) Xeon(R) CPU X3440 @ 2.53GHz stepping 05 (XEN) Booting processor 1/2 eip 90000 (XEN) , L1 D cache: 32K (XEN) VMX: VPID is available. (XEN) CPU1: Intel(R) Xeon(R) CPU X3440 @ 2.53GHz stepping 05 (XEN) Booting processor 2/4 eip 90000 (XEN) , L1 D cache: 32K (XEN) VMX: VPID is available. (XEN) CPU2: Intel(R) Xeon(R) CPU X3440 @ 2.53GHz stepping 05 (XEN) Booting processor 3/6 eip 90000 (XEN) , L1 D cache: 32K (XEN) VMX: VPID is available. (XEN) CPU3: Intel(R) Xeon(R) CPU X3440 @ 2.53GHz stepping 05 (XEN) Booting processor 4/1 eip 90000 (XEN) , L1 D cache: 32K (XEN) VMX: VPID is available. (XEN) CPU4: Intel(R) Xeon(R) CPU X3440 @ 2.53GHz stepping 05 (XEN) Booting processor 5/3 eip 90000 (XEN) , L1 D cache: 32K (XEN) VMX: VPID is available. (XEN) CPU5: Intel(R) Xeon(R) CPU X3440 @ 2.53GHz stepping 05 (XEN) Booting processor 6/5 eip 90000 (XEN) , L1 D cache: 32K (XEN) VMX: VPID is available. (XEN) CPU6: Intel(R) Xeon(R) CPU X3440 @ 2.53GHz stepping 05 (XEN) Booting processor 7/7 eip 90000 (XEN) , L1 D cache: 32K (XEN) VMX: VPID is available. (XEN) CPU7: Intel(R) Xeon(R) CPU X3440 @ 2.53GHz stepping 05 (XEN) Total of 8 processors activated. (XEN) ENABLING IO-APIC IRQs (XEN) -> Using new ACK method (XEN) Platform timer overflows in 14998 jiffies. (XEN) Platform timer is 14.318MHz HPET (XEN) Brought up 8 CPUs (XEN) xenoprof: Initialization failed. Intel processor model 30 for P6 class family is not supported (XEN) *** LOADING DOMAIN 0 *** (XEN) elf_parse_binary: phdr: paddr=0xffffffff80200000 memsz=0x2f3d70 (XEN) elf_parse_binary: phdr: paddr=0xffffffff804f3d80 memsz=0x14c510 (XEN) elf_parse_binary: phdr: paddr=0xffffffff80641000 memsz=0xc08 (XEN) elf_parse_binary: phdr: paddr=0xffffffff80642000 memsz=0x11becc (XEN) elf_parse_binary: memory: 0xffffffff80200000 -> 0xffffffff8075decc (XEN) elf_xen_parse_note: GUEST_OS = "linux" (XEN) elf_xen_parse_note: GUEST_VERSION = "2.6" (XEN) elf_xen_parse_note: XEN_VERSION = "xen-3.0" (XEN) elf_xen_parse_note: VIRT_BASE = 0xffffffff80000000 (XEN) elf_xen_parse_note: PADDR_OFFSET = 0xffffffff80000000 (XEN) elf_xen_parse_note: ENTRY = 0xffffffff80200000 (XEN) elf_xen_parse_note: HYPERCALL_PAGE = 0xffffffff80206000 (XEN) elf_xen_parse_note: FEATURES = "writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel" (XEN) elf_xen_parse_note: LOADER = "generic" (XEN) elf_xen_addr_calc_check: addresses: (XEN) virt_base = 0xffffffff80000000 (XEN) elf_paddr_offset = 0xffffffff80000000 (XEN) virt_offset = 0x0 (XEN) virt_kstart = 0xffffffff80200000 (XEN) virt_kend = 0xffffffff8075decc (XEN) virt_entry = 0xffffffff80200000 (XEN) Xen kernel: 64-bit, lsb, compat32 (XEN) Dom0 kernel: 64-bit, lsb, paddr 0xffffffff80200000 -> 0xffffffff8075decc (XEN) PHYSICAL MEMORY ARRANGEMENT: (XEN) Dom0 alloc.: 0000000232000000->0000000234000000 (1940076 pages to be allocated) (XEN) VIRTUAL MEMORY ARRANGEMENT: (XEN) Loaded kernel: ffffffff80200000->ffffffff8075decc (XEN) Init. ramdisk: ffffffff8075e000->ffffffff80e0d800 (XEN) Phys-Mach map: ffffffff80e0e000->ffffffff81ceb360 (XEN) Start info: ffffffff81cec000->ffffffff81cec49c (XEN) Page tables: ffffffff81ced000->ffffffff81d00000 (XEN) Boot stack: ffffffff81d00000->ffffffff81d01000 (XEN) TOTAL: ffffffff80000000->ffffffff82000000 (XEN) ENTRY ADDRESS: ffffffff80200000 (XEN) Dom0 has maximum 8 VCPUs (XEN) elf_load_binary: phdr 0 at 0xffffffff80200000 -> 0xffffffff804f3d70 (XEN) elf_load_binary: phdr 1 at 0xffffffff804f3d80 -> 0xffffffff80640290 (XEN) elf_load_binary: phdr 2 at 0xffffffff80641000 -> 0xffffffff80641c08 (XEN) elf_load_binary: phdr 3 at 0xffffffff80642000 -> 0xffffffff8067f0a8 (XEN) Initrd len 0x6af800, start at 0xffffffff8075e000 (XEN) Scrubbing Free RAM: ...done. (XEN) Xen trace buffers: disabled (XEN) Std. Loglevel: Errors and warnings (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings) (XEN) Xen is relinquishing VGA console. (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen). (XEN) Freed 112kB init memory. # rpm -qa | grep -i xen xen-libs-3.0.3-105.el5_5.3 xen-libs-3.0.3-105.el5_5.3 xen-3.0.3-105.el5_5.3 kernel-xen-2.6.18-194.3.1.el5 # rpm -qa | grep -i virt libvirt-0.6.3-33.el5 python-virtinst-0.400.3-9.el5 libvirt-python-0.6.3-33.el5 libvirt-0.6.3-33.el5 virt-manager-0.6.1-12.el5 virt-viewer-0.0.2-3.el5 # cat /var/log/xen/xend.log [2010-06-22 06:03:25 xend 3184] INFO (SrvDaemon:190) Xend stopped due to signal 15. [2010-06-22 06:05:02 xend 3166] INFO (SrvDaemon:283) Xend Daemon started [2010-06-22 06:05:02 xend 3166] INFO (SrvDaemon:287) Xend changeset: unavailable. [2010-06-22 06:05:02 xend.XendDomainInfo 3166] DEBUG (XendDomainInfo:229) XendDomainInfo.recreate({'paused': 0, 'cpu_time': 11234791979L, 'ssidref': 0, 'hvm': 0, 'shutdown_reason': 0, 'dying': 0, 'mem_kb': 7793072L, 'domid': 0, 'max_vcpu_id': 7, 'crashed': 0, 'running': 1, 'maxmem_kb': 17179869180L, 'shutdown': 0, 'online_vcpus': 8, 'handle': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'blocked': 0}) [2010-06-22 06:05:02 xend.XendDomainInfo 3166] INFO (XendDomainInfo:241) Recreating domain 0, UUID 00000000-0000-0000-0000-000000000000. [2010-06-22 06:05:02 xend.XendDomainInfo 3166] WARNING (XendDomainInfo:263) No vm path in store for existing domain 0 [2010-06-22 06:05:02 xend.XendDomainInfo 3166] DEBUG (XendDomainInfo:993) Storing VM details: {'shadow_memory': '0', 'uuid': '00000000-0000-0000-0000-000000000000', 'on_reboot': 'restart', 'on_poweroff': 'destroy', 'name': 'Domain-0', 'xend/restart_count': '0', 'vcpus': '8', 'vcpu_avail': '255', 'memory': '7611', 'on_crash': 'restart', 'maxmem': '7611'} [2010-06-22 06:05:02 xend.XendDomainInfo 3166] DEBUG (XendDomainInfo:1028) Storing domain details: {'cpu/1/availability': 'online', 'cpu/3/availability': 'online', 'name': 'Domain-0', 'console/limit': '1048576', 'cpu/2/availability': 'online', 'vm': '/vm/00000000-0000-0000-0000-000000000000', 'domid': '0', 'cpu/7/availability': 'online', 'cpu/0/availability': 'online', 'memory/target': '7793664', 'cpu/5/availability': 'online', 'cpu/6/availability': 'online', 'cpu/4/availability': 'online'} [2010-06-22 06:05:02 xend 3166] DEBUG (XendDomain:164) number of vcpus to use is 0 [2010-06-22 06:05:02 xend 3166] INFO (SrvServer:116) unix path=/var/lib/xend/xend-socket [2010-06-22 06:05:02 xend.XendDomainInfo 3166] DEBUG (XendDomainInfo:1250) XendDomainInfo.handleShutdownWatch

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new to xen - got questions, please
by Steve Campbell 16 Jun '10

16 Jun '10

I just installed Centos 5.5 with the xen kernel on an older machine. It has Xeon processors and a 700 Mhz processor speed, so I realize I must use para-virtualized guests. Reading the Centos/RH Virtualization Guide gives examples of the process of installing guest hosts, but it only lists installing Windows as a fully-virtualized host. Is that because they only showed those types of examples or is it that Windows hosts can't be para-virtualized? Secondly, what's the normal what to install a Centos guest when it comes to defining the installation media (it lists HTTP, FTP, or NFS). This machine only has a CD drive, so I'm a little confused about the best way to handle this since the Centos installation now consists of 6 CDs. A brief explanation would be handy. Thanks for any help and time offered. I'm sure there'll be more questions later. Steve Campbell

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Re: [CentOS-virt] allocating pci resources starting at a8000000 (gap: a0000000:5ec00000)
by MtK - 012 15 Jun '10

15 Jun '10

Ø Do you have the latest BIOS/firmware versions installed? Ø Also you could try installing without selecting the "Virtualization" option during centos installation.. does it boot then (on baremetal without Xen) ? Ø -- Pasi Yes, I have the latest firmeware, and yes, if “Virualization” is OFF (in the BIOS), XEN works fine – but I cannot install new VMs. MtK

1 0

Move Xen Image to Another Server
by Wendy William 14 Jun '10

14 Jun '10

Dear, I want to move xen image (Dom-U) to another Server (both Servers use CentOS 5.5). Can I just copy the file to new server then create new Dom-U and pointed to the image file? Any information of link/doc/manual is appreciated. Thanks.

3 4

How to reinstall/repair Uninstalled Kernel-Xen?
by Wendy William 14 Jun '10

14 Jun '10

Dear, I try to reinstall kernel-xen by doing: # yum erase kernel-xen But, after reboot CentOS can't start because lost kernel-xen Please advise how to repair and install kernel-xen again. Thanks.

2 1

is the xenconsoled crash solved?
by Fernando Gleiser 11 Jun '10

11 Jun '10

One of our machines are being bitten by that bug, once every 2-4 weeks or so xenconsoled dies and all the VMs stop responding intil xenconsoled is restarted. I googled for it and I saw many people reporting it but no solution for it. Does anyone know if it is solved in 5.5? I can't upgrade the box (it's a production box) unless I can prove the problem will go away. thanks in advance

3 3

Is kvm ready for prime time?
by Lars Hecking 11 Jun '10

11 Jun '10

Hi all, I've started playing with kvm on CentOS 5.5, with not much success so far. In a nutshell, I have the same problem as http://lists.centos.org/pipermail/centos-virt/2010-April/001854.html I followed the RHEL5 virtualization guide to set up a bridge interface br0, and then used virt-install (rather than virt-manager - I like automation) to set up the vm. It hangs at some point. The command line is slightly modified from the one I was using with xen. Running it with -d shows that the correct hypervisor is used and the network install source is found. Otherwise, I'm fresh out of ideas. # lsmod|grep kvm kvm_intel 86920 0 kvm 226208 2 ksm,kvm_intel # uname -a Linux x3250 2.6.18-194.3.1.el5 #1 SMP Thu May 13 13:08:30 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux # virt-install -r 512 -n test -f /dev/vol0/lvol4 --nographics --os-type=linux --os-variant=rhel5.4 --accelerate -w bridge:br0 -l http://centos/centos/x86_64 -x ks=http://centos/centos/kickstart/ks.test.cfg -m 00:16:3e:30:4d:80 Starting install... Retrieving file .treeinfo... | 417 B 00:00 Retrieving file vmlinuz... | 1.9 MB 00:00 Retrieving file initrd.img... | 7.7 MB 00:00 Creating domain... | 0 B 00:00 Connected to domain test Escape character is ^] --------------------------------------------------------------- This message and any attachments may contain Cypress (or its subsidiaries) confidential information. If it has been received in error, please advise the sender and immediately delete this message. ---------------------------------------------------------------

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allocating pci resources starting at a8000000 (gap: a0000000:5ec00000)
by MtK - 012 06 Jun '10

06 Jun '10

Hello, I've installed XEN according to this tutorial: <http://www.howtoforge.com/paravirtualization-with-xen-on-centos-5.4-x86_64> http://www.howtoforge.com/paravirtualization-with-xen-on-centos-5.4-x86_64 on the first XEN boot, it freezes for a very long time on: allocating pci resources starting at a8000000 (gap: a0000000:5ec00000) (the centos installation works fine) I then realized that this is caused when I set the BIOS to use Virtualization. (when I disable it, XEN boots up nicely). I have: <http://ark.intel.com/Product.aspx?id=27236> http://ark.intel.com/Product.aspx?id=27236 so I can't find any reason why this is not working... I’d appreciate any help on this matter. Regards, MtK

2 1

Xen 3.1.2 on CentOS 5.5 doesn't see all 4 CPUs
by Bryan A. Ignatow 04 Jun '10

04 Jun '10

Hello all, I've been digging around on this for a few days and I have not come up with a solution. I have a Compaq ProLiant DL580 (G1, the old tan Compaq) with 4 x 700MHz P-III CPUs and 11GB of memory. I've loaded CentOS 5.5 with Virtualization (Xen) + KVM and patched up to current (full KS packages file list at the end). When it boots, Xen only detects a single CPU as shown in the xm dmesg output (full output and the end): (XEN) Detected 701.650 MHz processor. (XEN) I/O virtualisation disabled (XEN) CPU0: Intel Pentium III (Cascades) stepping 04 (XEN) Platform timer overflows in 2 jiffies. (XEN) Platform timer is 1.193MHz PIT (XEN) Brought up 1 CPUs [...] (XEN) Dom0 has maximum 1 VCPUs The system shows all 4 CPUs when booted outside of Xen. Any ideas on Xen options or anything I can try to see if I can get all 4 CPUs? Thanks, Bryan ___________________________________________________________________ __ __ _____ _ ____ _ ___ _ _ _____ _ _ ____ \ \/ /___ _ __ |___ / / | |___ \ / |/ _ \| || | |___ / / | ___| | ___| \ // _ \ _ \ |_ \ | | __) |__| | (_) | || |_ |_ \ | | / _ \ |___ \ / \ __/ | | | ___) || |_ / __/|__| |\__, |__ _| ___) || || __/ |___) | /_/\_\___|_| |_| |____(_)_(_)_____| |_| /_/ |_|(_)____(_)_(_)___|_|____/ http://www.cl.cam.ac.uk/netos/xen University of Cambridge Computer Laboratory Xen version 3.1.2-194.3.1.el5 (mockbuild(a)centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) Thu May 13 13:02:01 EDT 2010 Latest ChangeSet: unavailable (XEN) Command line: dom0_mem=1024M crashkernel=128M@16M (XEN) Video information: (XEN) VGA is text mode 80x25, font 8x16 (XEN) VBE/DDC methods: V2; EDID transfer time: 2 seconds (XEN) Disc information: (XEN) Found 2 MBR signatures (XEN) Found 2 EDD information structures (XEN) Xen-e820 RAM map: (XEN) 0000000000000000 - 000000000009d800 (usable) (XEN) 000000000009d800 - 00000000000a0000 (reserved) (XEN) 00000000000f0000 - 0000000000100000 (reserved) (XEN) 0000000000100000 - 00000000dfffc000 (usable) (XEN) 00000000dfffc000 - 00000000e0000000 (ACPI data) (XEN) 00000000fec00000 - 00000000fec10000 (reserved) (XEN) 00000000fee00000 - 00000000fee10000 (reserved) (XEN) 00000000fff80000 - 0000000100000000 (reserved) (XEN) 0000000100000000 - 00000002c0000000 (usable) (XEN) Kdump: 128MB (131072kB) at 0x1000000 (XEN) System RAM: 10751MB (11009636kB) (XEN) Xen heap: 9MB (9740kB) (XEN) Domain heap initialised: DMA width 32 bits (XEN) PAE enabled, limit: 16 GB (XEN) Local APIC disabled by BIOS -- you can enable it with "lapic" (XEN) Using scheduler: SMP Credit Scheduler (credit) (XEN) Detected 701.650 MHz processor. (XEN) I/O virtualisation disabled (XEN) CPU0: Intel Pentium III (Cascades) stepping 04 (XEN) Platform timer overflows in 2 jiffies. (XEN) Platform timer is 1.193MHz PIT (XEN) Brought up 1 CPUs (XEN) xenoprof: Initialization failed. No APIC (XEN) *** LOADING DOMAIN 0 *** (XEN) elf_parse_binary: phdr: paddr=0xc0400000 memsz=0x28771c (XEN) elf_parse_binary: phdr: paddr=0xc0688000 memsz=0x164000 (XEN) elf_parse_binary: memory: 0xc0400000 -> 0xc07ec000 (XEN) elf_xen_parse_note: GUEST_OS = "linux" (XEN) elf_xen_parse_note: GUEST_VERSION = "2.6" (XEN) elf_xen_parse_note: XEN_VERSION = "xen-3.0" (XEN) elf_xen_parse_note: VIRT_BASE = 0xc0000000 (XEN) elf_xen_parse_note: PADDR_OFFSET = 0xc0000000 (XEN) elf_xen_parse_note: ENTRY = 0xc0400000 (XEN) elf_xen_parse_note: HYPERCALL_PAGE = 0xc0401000 (XEN) elf_xen_parse_note: FEATURES = "writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel" (XEN) elf_xen_parse_note: PAE_MODE = "yes" (XEN) elf_xen_parse_note: LOADER = "generic" (XEN) elf_xen_addr_calc_check: addresses: (XEN) virt_base = 0xc0000000 (XEN) elf_paddr_offset = 0xc0000000 (XEN) virt_offset = 0x0 (XEN) virt_kstart = 0xc0400000 (XEN) virt_kend = 0xc07ec000 (XEN) virt_entry = 0xc0400000 (XEN) Xen kernel: 32-bit, PAE, lsb (XEN) Dom0 kernel: 32-bit, PAE, lsb, paddr 0xc0400000 -> 0xc07ec000 (XEN) PHYSICAL MEMORY ARRANGEMENT: (XEN) Dom0 alloc.: 000000003c000000->000000003e000000 (253952 pages to be allocated) (XEN) VIRTUAL MEMORY ARRANGEMENT: (XEN) Loaded kernel: c0400000->c07ec000 (XEN) Init. ramdisk: c07ec000->c0efec00 (XEN) Phys-Mach map: c0eff000->c0fff000 (XEN) Start info: c0fff000->c0fff46c (XEN) Page tables: c1000000->c100f000 (XEN) Boot stack: c100f000->c1010000 (XEN) TOTAL: c0000000->c1400000 (XEN) ENTRY ADDRESS: c0400000 (XEN) Dom0 has maximum 1 VCPUs (XEN) elf_load_binary: phdr 0 at 0xc0400000 -> 0xc068771c (XEN) elf_load_binary: phdr 1 at 0xc0688000 -> 0xc0733cc4 (XEN) Initrd len 0x712c00, start at 0xc07ec000 (XEN) Scrubbing Free RAM: ...............................................................................................done. (XEN) Xen trace buffers: disabled (XEN) Std. Loglevel: Errors and warnings (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings) (XEN) Xen is relinquishing VGA console. (XEN) *** Serial input -> DOM0 (type \047CTRL-a\047 three times to switch input to Xen). (XEN) Freed 108kB init memory. ___________________________________________________________________ %packages @admin-tools @base @core @dns-server @development-libs @development-tools @dialup @editors @engineering-and-scientific @ftp-server @gnome-desktop @gnome-software-development @games @graphical-internet @graphics @java @java-development @kvm @legacy-network-server @mail-server @mysql @network-server @office @printing @ruby @server-cfg @sound-and-video @system-tools @text-internet @xen @web-server @smb-server @x-software-development @base-x system-config-kickstart system-config-netboot system-config-netboot-cmd keyutils dmraid-events-logwatch kexec-tools gpart iscsi-initiator-utils trousers bridge-utils authd fipscheck hardlink x86info device-mapper-multipath hfsutils perl-XML-SAX perl-XML-Twig perl-XML-Dumper perl-TimeDate perl-libxml-perl perl-Convert-ASN1 perl-XML-NamespaceSupport perl-DateManip perl-Crypt-SSLeay perl-Mozilla-LDAP perl-LDAP perl-XML-Grove python-imaging perl-Archive-Zip pexpect imake gcc-objc expect java-1.6.0-openjdk nasm statserial xferstats libsane-hpaio libvirt-cim Virtualization-en-US libcmpiutil telnet-server rsh-server tftp-server mailman postfix squirrelmail cyrus-imapd mod_auth_mysql mysql-devel mysql-bench php-mysql openldap-servers vnc-server freeradius system-config-bind system-config-boot rdesktop lsscsi uucp festival tsclient x3270 lslk nmap-frontend wireshark-gnome audit mrtg net-snmp-utils sysstat gnome-nettool iptraf vlock dstat Virtualization-en-US php-odbc mod_nss mod_auth_mysql mod_authz_ldap php-mysql xorg-x11-xbitmaps openmotif-devel mesa-libGLU-devel libXp-devel xorg-x11-resutils xorg-x11-xsm xorg-x11-server-Xnest xorg-x11-xfs-utils xorg-x11-server-Xvfb -spamassassin ___________________________________________________________________ -- Bryan A. Ignatow bryan(a)ignatow.org

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