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TVBD parameters

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Command line interface VBD parameters VBDs have the following parameters: Parameter Name Description Type uuid The unique identifier/object reference for read only the VBD vm-uuid The unique identifier/object reference for read only the VM this VBD is attached to vm-name-label The name of the VM this VBD is attached read only to vdi-uuid The unique identifier/object reference for read only the VDI this VBD is mapped to vdi-name-label The name of the VDI this VBD is mapped read only to empty if true, this represents an empty drive read only device the device seen by the guest, for example read only hda1 userdevice user-friendly device name read/write bootable true if this VBD is bootable read/write mode the mode the VBD should be mounted with read/write type how the VBD appears to the VM, for read/write example disk or CD currently-attached Is the VBD currently attached on this host? read only true or false storage-lock true if a storage-level lock was acquired read only status-code error/success code associated with the last read only attach operation status-detail error/success information associated with read only the last attach operation status qos_algorithm_type the 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 VBD read only set parameter io_read_kbs average read rate in kB/s for this VBD read only io_write_kbs average write rate in kB/s for this VBD read only vbd-metrics-last-updated Timestamp of the date and time read only that the metrics for a VM based on this template were read, in the form yyyymmddThh:mm:ss z, where z is the single-letter military timezone indicator, for example, Z for UTC (GMT) allowed-operations list of the operations allowed in this state. This list is advisory only and the server state may have changed by the time this field is read by a client. read only set parameter current-operations read only set parameter 81

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

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Command line interface

VBD parameters

VBDs have the following parameters:

Parameter Name

Description

Type

uuid

The unique identifier/object reference for

the VBD

read only

vm-uuid

The unique identifier/object reference for

the VM this VBD is attached to

read only

vm-name-label

The name of the VM this VBD is attached

read only

vdi-uuid

The unique identifier/object reference for

the VDI this VBD is mapped to

read only

vdi-name-label

The name of the VDI this VBD is mapped

read only

empty

if true, this represents an empty drive

read only

device

the device seen by the guest, for example

hda1

read only

userdevice

user-friendly device name

read/write

bootable

true if this VBD is bootable

read/write

mode

the mode the VBD should be mounted with

read/write

type

how the VBD appears to the VM, for

example disk or CD

read/write

currently-attached

Is the VBD currently attached on this host?

true or false

read only

storage-lock

true if a storage-level lock was acquired

read only

status-code

error/success code associated with the last

attach operation

read only

status-detail

error/success information associated with

the last attach operation status

read only

qos_algorithm_type

the 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 VBD

read only set parameter

io_read_kbs

average read rate in kB/s for this VBD

read only

io_write_kbs

average write rate in kB/s for this VBD

read only

vbd-metrics-last-updated

Timestamp of the date and time

that the metrics for a VM based on

this template were read, in the form

yyyymmdd

hh:mm:ss

, where

is the

single-letter military timezone indicator, for

example, Z for UTC (GMT)

read only

allowed-operations

list of the operations allowed in this state.

This list is advisory only and the server

state may have changed by the time this

field is read by a client.

read only set parameter

current-operations

read only set parameter