ZStack International

Quick Start 2

• What can I do with ZStack Cloud?
• What documents does ZStack provide? Which documents should I read?

Installation and Deployment [v3.10.0] 25

• What hardware environments does ZStack support?
• What operating systems does ZStack support?
• Can I install ZStack by using the standard CentOS 7.4 or CentOS 7.6 operating system?
• How many servers are needed to install and deploy ZStack?
• What is the minimum server configuration requirement for installing and deploying ZStack?

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System Login 8

• Which browsers are recommended to log in to ZStack?
• What should I do if I could not log in to the UI?
• How do I change the admin password of the UI?
• How do I change the default port (5000) of the UI?
• How do I extend the session timeout?

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Resource Pool - VM Instance 41

• How can I check whether one VM instance supports hardware virtualization?
• How do I know whether DHCP services of ZStack are in conflict with those of the current data center?
• I create a VM instance by selecting a flat network, but do not set hostname for the VM instance. What is the default hostname?
• Why doesn't hostname of a flat network take effect when zstack-cli is performed?
• How can I change an IP address for a console proxy?

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Resource Pool - Image 11

• How does the occupied space for creating an image work?
• When I create an image, errors related to the URL will be displayed. What are the general resolutions?
• What should I do when adding an image times out?
• What should I do if the Windows internal monitoring does not display any data?
• When I encapsulate a Windows template, the Virtio driver cannot be correctly identified. What should I do?

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Resource Pool - Volume 10

• Volumes can be created on shared storages. Can these volumes be randomly attached to any VM instance?
• When I attach a new L3 network for a VM instance, why does only one NIC be displayed?
• Why is "QueryVolume actualSize" inconsistent with the actual file size?
• When the disk of a VM instance is completely written, the VM instance cannot be started. What should I do?
• How can I migrate a volume to the target primary storage?

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Hardware 39

• How can I check whether one host supports hardware virtualization?
• How do I enable the support for hardware virtualization in BIOS?
• Which versions of QEMU and libvirt are supported by a ZStack compute node?
• Why does a host keep connecting for a long time after the management node restarts?
• What should I quickly do if IP addresses of a management node, database, and message bus are modified?

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Network 25

• What rates of NICs does ZStack support?
• Can I set different netmasks and gateways in the same L3 network?
• How do I release the IP address occupied by the flat network service provider?
• Is it true that ZStack supports only eth0? If yes, why em01 is not supported?
• Can I deploy the management network and business network together?

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Platform Management O&M 10

• Does ZStack support SPICE protocol?
• Can ZStack connect to AD/LDAP? If yes, is it true that I can manage users by using API only?
• How do I set the retention time for Prometheus data of a management node?
• What should I do if the monitoring data on the homepage of the Cloud UI is not displayed properly?
• In the global settings, how is the CPU overcommitment ratio calculated?

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Advanced Function 1

• What should I do if a Bare Metal chassis cannot obtain the hardware information?

API 1

• How to use ZStack local Accesskey to call ZStack API