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VIF parameters

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Command line interface The VIF objects can be listed with the standard object listing command (xe vif-list), and the parameters manipulated with the standard parameter commands. See Section 5.3.2, "Low-level param commands" for details. VIF parameters VIFs have the following parameters: Parameter Name uuid vm-uuid vm-name-label allowed-operations current-operations device MAC MTU Description Type The unique identifier/object reference for read only the VIF The unique identifier/object reference for read only the VM that this VIF resides on The name of the VM that this VIF resides read only on a list of the operations allowed in this state read only set parameter a list of the operations that are currently in read only set parameter progress on this VIF integer label of this VIF, indicating the read only order in which VIF backends were created MAC address of VIF, as exposed to the VM read only Maximum Transmission Unit of the VIF in read only bytes. This parameter is read-only, but you can override the MTU setting with the mtu key via the other-config map parameter. For example, to reset the MTU on a virtual NIC to use jumbo frames: xe vif-param-set uuid= \ other-config:mtu=9000 currently-attached true if the device is currently attached read only qos_algorithm_type QoS algorithm to use read/write qos_algorithm_params parameters for the chosen QoS algorithm read/write map parameter qos_supported_algorithmssupported QoS algorithms for this VIF read only set parameter other-config A list of key/value pairs that specify read/write map parameter additional configuration parameters for this VIF. network-uuid The unique identifier/object reference of the virtual network to which this VIF is connected read only network-name-label The descriptive name of the virtual network read only to which this VIF is connected io_read_kbs average read rate in kB/s for this VIF read only io_write_kbs average write rate in kB/s for this VIF read only vif-metrics-last-updated Timestamp of the date and time that the metrics for the VIF were read, in the form yyyymmddThh:mm:ss z, where z is the read only 86

Section	Page
XenServer Administrator's Guide	1
Table of Contents	4
Chapter 1. Overview	7
1.1. XenServer Hosts and resource pools	7
1.2. Networking	7
1.3. Storage	7
1.4. Command Line Interface	8
1.5. How this Guide relates to other documentation	8
Chapter 2. XenServer Hosts and resource pools	9
2.1. Requirements for creating resource pools	9
2.2. Creating a resource pool	10
2.3. Adding shared storage	10
2.4. Installing and managing VMs on shared storage	11
2.5. Removing a XenServer Host from a resource pool	11
2.6. Backups	12
2.7. Coping with machine failures	13
2.7.1. Member failures	13
2.7.2. Master failures	14
2.7.3. Pool failures	14
2.7.4. Coping with Failure due to Configuration Errors	14
2.7.5. Physical Machine failure	15
Chapter 3. Storage	17
3.1. Overview	17
3.1.1. Storage repositories (SRs)	17
3.1.2. Virtual Disk Images (VDI)	17
3.1.3. Managing Storage	18
3.2. Storage Repository Types	18
3.2.1. Local Disks	19
3.2.2. Local hotplug devices	19
3.2.3. Shared Network Attached Storage using NFS	19
3.2.4. Shared iSCSI Storage	20
3.2.4.1. XenServer Host iSCSI configuration	21
3.2.5. Shared LVM storage over FC or iSCSI hardware HBAs	21
3.2.6. Shared NetApp Storage	22
3.3. Storage configuration examples	24
3.3.1. Creating Storage Repositories	24
3.3.2. Probing an SR	25
3.3.3. Creating a local LVM SR (lvm)	27
3.3.4. Creating a local EXT3 SR (ext)	27
3.3.5. Creating a shared NFS SR (nfs)	27
3.3.6. Creating a shared LVM over iSCSI SR using the software iSCSI initiator (lvmoiscsi)	28
3.3.7. Creating a shared LVM over Fibre Channel or iSCSI HBA SR (lvmohba)	28
3.3.8. Creating a shared NetApp SR over iSCSI	31
3.4. Managing Storage Repositories	31
3.4.1. Destroying or forgetting a SR	31
3.4.2. Introducing a SR	32
3.4.3. Converting local Fibre Channel SRs to shared SRs	32
3.4.4. Moving Virtual Disk Images (VDIs) between SRs	33
3.4.4.1. Copying all of a VM's VDIs to a different SR	33
3.4.4.2. Copying individual VDIs to a different SR	33
3.4.5. Managing VDIs in a Netapp SR	34
3.4.6. Taking VDI snapshots with a Netapp SR	34
3.4.7. Adjusting the disk IO scheduler for an LVM-based SR	34
3.5. Managing Host Bus Adapters (HBAs)	34
3.5.1. Sample QLogic iSCSI HBA setup	35
3.5.2. Removing HBA-based FC or iSCSI device entries	35
3.6. Virtual disk QoS settings (Enterprise Edition only)	35
Chapter 4. Networking	37
4.1. Networking configuration performed during Host installation	37
4.2. Managing networking configuration for standalone XenServer Hosts	38
4.2.1. Creating networks	38
4.2.2. Connecting Virtual Machines (VMs) to networks	39
4.2.3. Creating VLANs	39
4.2.4. Creating NIC bonds	40
4.2.4.1. Creating a NIC bond on a dual-NIC host	40
4.2.4.2. Controlling the MAC address of the bond	41
4.2.4.3. Reverting NIC bonds	42
4.2.5. Controlling Quality of Service (QoS)	42
4.2.6. Dedicating a NIC to storage traffic	42
4.2.7. Changing networking configuration options	43
4.2.7.1. Hostname	43
4.2.7.2. DNS servers	43
4.2.7.3. XenServer Host IP address configuration	43
4.2.7.4. Management interface	43
4.2.7.5. Disabling management access	44
4.3. Managing networking configuration for XenServer pools	44
4.3.1. Networks in resource pools	44
4.3.2. Creating NIC bonds in resource pools	44
4.3.2.1. Adding NIC bonds to new resource pools	45
4.3.2.2. Adding NIC bonds to an existing pool	47
4.3.3. Changing XenServer Host IP address configuration in resource pools	48
4.3.4. NIC/PIF ordering	49
4.3.4.1. Verifying NIC ordering	49
4.3.4.2. Re-ordering NICs	50
4.4. Networking Troubleshooting	51
4.4.1. Diagnosing network corruption	51
4.4.2. Recovering from a bad network configuration	52
Chapter 5. Command line interface	53
5.1. Basic xe syntax	53
5.2. Special characters and syntax	54
5.3. Command types	55
5.3.1. Parameter types	56
5.3.2. Low-level param commands	56
5.3.3. Low-level list commands	57
5.4. xe command reference	58
5.4.1. Bonding commands	58
5.4.1.1. bond-create	58
5.4.1.2. bond-destroy	58
5.4.2. CD commands	59
5.4.2.1. cd-list	60
5.4.3. Console commands	60
5.4.4. Event commands	60
5.4.4.1. event-wait	61
5.4.5. Host (XenServer Host) commands	61
5.4.5.1. host-backup	64
5.4.5.2. host-bugreport-upload	64
5.4.5.3. host-crashdump-destroy	64
5.4.5.4. host-crashdump-upload	64
5.4.5.5. host-disable	65
5.4.5.6. host-dmesg	65
5.4.5.7. host-emergency-management-reconfigure	65
5.4.5.8. host-enable	65
5.4.5.9. host-evacuate	65
5.4.5.10. host-forget	65
5.4.5.11. host-get-system-status	66
5.4.5.12. host-get-system-status-capabilities	66
5.4.5.13. host-is-in-emergency-mode	67
5.4.5.14. host-license-add	67
5.4.5.15. host-license-view	67
5.4.5.16. host-logs-download	67
5.4.5.17. host-management-disable	68
5.4.5.18. host-management-reconfigure	68
5.4.5.19. host-reboot	68
5.4.5.20. host-restore	69
5.4.5.21. host-set-hostname-live	69
5.4.5.22. host-shutdown	69
5.4.5.23. host-syslog-reconfigure	69
5.4.6. Log commands	69
5.4.6.1. log-get-keys	70
5.4.6.2. log-reopen	70
5.4.6.3. log-set-output	70
5.4.7. Network commands	70
5.4.7.1. network-create	71
5.4.7.2. network-destroy	71
5.4.8. Patch (update) commands	71
5.4.8.1. patch-apply	71
5.4.8.2. patch-clean	71
5.4.8.3. patch-pool-apply	72
5.4.8.4. patch-precheck	72
5.4.8.5. patch-upload	72
5.4.9. PBD commands	72
5.4.9.1. pbd-create	72
5.4.9.2. pbd-destroy	73
5.4.9.3. pbd-plug	73
5.4.9.4. pbd-unplug	73
5.4.10. PIF commands	73
5.4.10.1. pif-forget	75
5.4.10.2. pif-introduce	75
5.4.10.3. pif-plug	75
5.4.10.4. pif-reconfigure-ip	75
5.4.10.5. pif-scan	75
5.4.10.6. pif-unplug	75
5.4.11. Pool commands	75
5.4.11.1. pool-designate-new-master	76
5.4.11.2. pool-dump-database	76
5.4.11.3. pool-eject	76
5.4.11.4. pool-emergency-reset-master	77
5.4.11.5. pool-emergency-transition-to-master	77
5.4.11.6. pool-join	77
5.4.11.7. pool-recover-slaves	77
5.4.11.8. pool-restore-database	77
5.4.11.9. pool-sync-database	77
5.4.12. Storage Manager commands	77
5.4.13. SR commands	78
5.4.13.1. sr-create	79
5.4.13.2. sr-destroy	79
5.4.13.3. sr-forget	79
5.4.13.4. sr-introduce	80
5.4.13.5. sr-probe	80
5.4.13.6. sr-scan	80
5.4.14. Task commands	80
5.4.14.1. task-cancel	81
5.4.15. Template commands	81
5.4.15.1. template-export	86
5.4.16. Update commands	86
5.4.16.1. update-upload	86
5.4.17. User commands	86
5.4.17.1. user-password-change	86
5.4.18. VBD commands	86
5.4.18.1. vbd-create	88
5.4.18.2. vbd-destroy	88
5.4.18.3. vbd-eject	88
5.4.18.4. vbd-insert	88
5.4.18.5. vbd-plug	88
5.4.18.6. vbd-unplug	88
5.4.19. VDI commands	89
5.4.19.1. vdi-clone	90
5.4.19.2. vdi-copy	90
5.4.19.3. vdi-create	90
5.4.19.4. vdi-destroy	90
5.4.19.5. vdi-forget	91
5.4.19.6. vdi-import	91
5.4.19.7. vdi-introduce	91
5.4.19.8. vdi-resize	91
5.4.19.9. vdi-snapshot	91
5.4.19.10. vdi-unlock	91
5.4.20. VIF commands	91
5.4.20.1. vif-create	93
5.4.20.2. vif-destroy	93
5.4.20.3. vif-plug	93
5.4.20.4. vif-unplug	93
5.4.21. VLAN commands	93
5.4.21.1. vlan-create	93
5.4.21.2. vlan-destroy	93
5.4.22. VM commands	93
5.4.22.1. vm-cd-add	98
5.4.22.2. vm-cd-eject	98
5.4.22.3. vm-cd-insert	98
5.4.22.4. vm-cd-list	98
5.4.22.5. vm-cd-remove	99
5.4.22.6. vm-clone	99
5.4.22.7. vm-compute-maximum-memory	99
5.4.22.8. vm-copy	99
5.4.22.9. vm-crashdump-list	100
5.4.22.10. vm-create	100
5.4.22.11. vm-destroy	100
5.4.22.12. vm-disk-add	100
5.4.22.13. vm-disk-list	101
5.4.22.14. vm-disk-remove	101
5.4.22.15. vm-export	101
5.4.22.16. vm-import	101
5.4.22.17. vm-install	102
5.4.22.18. vm-memory-shadow-multiplier-set	102
5.4.22.19. vm-migrate	102
5.4.22.20. vm-reboot	103
5.4.22.21. vm-reset-powerstate	103
5.4.22.22. vm-resume	103
5.4.22.23. vm-shutdown	103
5.4.22.24. vm-start	103
5.4.22.25. vm-suspend	104
5.4.22.26. vm-uninstall	104
5.4.22.27. vm-vcpu-hotplug	104
5.4.22.28. vm-vif-list	104
Chapter 6. Troubleshooting	105
6.1. XenServer Host logs	105
6.1.1. Sending log messages to a central server	105
6.2. Troubleshooting connections between XenCenter and the XenServer Host	106
6.3. Special debug boot options	106

Match case Limit results 1 per page

Command line interface

The VIF objects can be listed with the standard object listing command (

xe vif-list

), and the parameters

manipulated with the standard parameter commands. See Section 5.3.2, “Low-level param commands” for

details.

VIF parameters

VIFs have the following parameters:

Parameter Name

Description

Type

uuid

The unique identifier/object reference for

the VIF

read only

vm-uuid

The unique identifier/object reference for

the VM that this VIF resides on

read only

vm-name-label

The name of the VM that this VIF resides

read only

allowed-operations

a list of the operations allowed in this state

read only set parameter

current-operations

a list of the operations that are currently in

progress on this VIF

read only set parameter

device

integer label of this VIF, indicating the

order in which VIF backends were created

read only

MAC

MAC address of VIF, as exposed to the

read only

MTU

Maximum Transmission Unit of the VIF in

bytes. This parameter is read-only, but you

can override the MTU setting with the

mtu

key via the other-config map parameter.

For example, to reset the MTU on a virtual

NIC to use jumbo frames:

xe vif-param-set uuid=<VIF UUID> \

other-config:mtu=9000

read only

currently-attached

true if the device is currently attached

read only

qos_algorithm_type

QoS algorithm to use

read/write

qos_algorithm_params

parameters for the chosen QoS algorithm

read/write map parameter

qos_supported_algorithms

supported QoS algorithms for this VIF

read only set parameter

other-config

A list of key/value pairs that specify

additional configuration parameters for this

VIF.

read/write map parameter

network-uuid

The unique identifier/object reference of

the virtual network to which this VIF is

connected

read only

network-name-label

The descriptive name of the virtual network

to which this VIF is connected

read only

io_read_kbs

average read rate in kB/s for this VIF

read only

io_write_kbs

average write rate in kB/s for this VIF

read only

vif-metrics-last-updated

Timestamp of the date and time that the

metrics for the VIF were read, in the form

yyyymmdd

hh:mm:ss

, where

is the

read only