account.cleanup.interval
清除用户账户所需要等待的时间（秒）；类型：整数；默认86400
agent.lb.enabled false If agent load balancing enabled in cluster setup
agent.load.threshold 0.7 Percentage (as a value between 0 and 1) of connected agents after which agent load balancing will start happening
alert.email.addresses
Alert发送到邮箱地址，以逗号分隔；类型：邮箱；默认：NULL
alert.email.sender
发送Alert的邮箱地址；类型：邮箱；默认：NULL
alert.purge.delay
Alert清理时间（秒），清理掉超过该时间的Alert；类型：整数；默认：0（不清理Alert）
alert.purge.interval
Alert清理线程间隔时间（秒）；类型：整数；默认：86400
alert.smtp.connectiontimeout
Alert发送邮件smtp socket连接超时时间（毫秒）；类型：整数；默认：30000（-1则不设定超时）
alert.smtp.host
Alert发送邮件SMTP主机地址；类型：主机名；默认：NULL
alert.smtp.password
Alert发送邮件SMTP密码，仅在alert.smpt.useAuth为true的时候需要；类型：字符串；默认：NULL
alert.smtp.port
Alert发送邮件SMTP服务端口；类型：端口；默认：465
alert.smtp.timeout
Alert发送邮件smtp socket I/O超时时间（毫秒）；类型：整数；默认：30000（-1则不超时）
alert.smtp.useAuth
Alert发送邮件SMTP服务是否加密；类型：true/false；默认：NULL
alert.smtp.username
Alert发送邮件SMTP账户，仅在alert.smtp.useAuth为true的时候有效；类型：字符串；默认：NULL
alert.wait NULL Seconds to wait before alerting on a disconnected agent
allow.public.user.templates
允许用户创建public属性的模板；类型：true/false；默认：true
allow.subdomain.network.access
允许sub domain使用parent domain的专有网络；类型：true/false；默认：true
allow.user.create.projects
允许用户创建project；类型：true/false；默认：true
api.throttling.cachesize 50000 Account based API count cache size
api.throttling.enabled false Enable/Disable Api rate limit
api.throttling.interval 1 Time interval (in seconds) to reset API count
api.throttling.max 25 Max allowed number of APIs within fixed interval
apply.allocation.algorithm.to.pods false If true, deployment planner applies the allocation heuristics at pods first in the given datacenter during VM resource allocation
backup.snapshot.wait
备份快照超时时间（秒）；类型：整数；默认：21600
baremetal.ipmi.fail.retry default ipmi interface will be temporary out of order after power opertions(e.g. cycle, on), it leads following commands fail immediately. The value specifies retry times before accounting it as real failure
baremetal.ipmi.lan.interface default option specified in -I option of impitool. candidates are: open/bmc/lipmi/lan/lanplus/free/imb, see ipmitool man page for details. default valule "default" means using default option of ipmitool
blacklisted.routes NULL Routes that are blacklisted, can not be used for Static Routes creation for the VPC Private Gateway
capacity.check.period
检查配额时间间隔（毫秒）；类型：整数；默认：300000
capacity.skipcounting.hours
VM Stop和释放CPU内存资源之间的时间间隔（秒）；类型：整数；默认：3600
check.pod.cidrs
检查POD是否使用相同CIDR，true的话，不同的POD必须属于不同的CIDR；类型：true/false；默认：true
cloud.dns.name
为GSLB（全局负载均衡）服务提供的DNS名；类型：字符串；默认：NULL
cluster.cpu.allocated.capacity.disablethreshold
Cluster中CPU分配率上限，CPU分配量/CPU可用量不能超过该值；类型：小数（0~1）；默认：0.85
cluster.cpu.allocated.capacity.notificationthreshold
Cluster中，CPU分配率报警值，CPU分配量/CPU可用量超过该值则发送Alert；类型：小数（0~1）；默认：0.75
cluster.localStorage.capacity.notificationthreshold
Cluster中，localStorage分配率报警值，localStorage分配量/localStorage可用量超过该值则发送Alert；类型：小数（0~1）；默认：0.75
cluster.memory.allocated.capacity.disablethreshold
Cluster中memory分配率上限，memory分配量/memory可用量不能超过该值；类型：小数（0~1）；默认：0.85
cluster.memory.allocated.capacity.notificationthreshold
Cluster中，memory分配率报警值，memory分配量/memory可用量超过该值则发送Alert；类型：小数（0~1）；默认：0.75
cluster.message.timeout.seconds 300 Time (in seconds) to wait before a inter-management server message post times out.
cluster.storage.allocated.capacity.notificationthreshold
Cluster中，storage分配率报警值，storage分配量/storage可用量超过该值则发送Alert；类型：小数（0~1）；默认：0.75
cluster.storage.capacity.notificationthreshold
Cluster中，storage使用率报警值，storage使用量/storage总量超过该值则发送Alert；类型：小数（0~1）；默认：0.75
concurrent.snapshots.threshold.perhost
每台主机并发执行的Snapshot线程数；类型：整数；默认：NULL（不限制）
consoleproxy.capacity.standby
Console proxy最小备用Session数，用来保证系统是否能及时提供服务；类型：整数；默认：10
consoleproxy.capacityscan.interval
Console proxy定期检查时间间隔（秒），系统定期检查是否需要更多的Console proxy来保证最小备用量；类型：整数；默认：30000
consoleproxy.cmd.port
Console proxy和management Server通信端口；类型：端口；默认：8001
consoleproxy.disable.rpfilter
禁用Console proxy VM public IP的rp_filter；类型：true/false；默认：true
consoleproxy.launch.max
一个zone可以拥有的最大Console proxy实例数；类型：整数；默认：10
consoleproxy.loadscan.interval
Console proxy负载检查时间间隔（毫秒）；类型：整数；默认10000
consoleproxy.management.state Auto console proxy service management state
consoleproxy.management.state.last Auto last console proxy service management state
consoleproxy.restart true Console proxy restart flag, defaulted to true
consoleproxy.service.offering
Console proxy计算服务类型；类型：计算服务UUID；默认：NULL（使用系统默认类型）
consoleproxy.session.max
每个Console proxy拥有的最大Session数；类型：整数；默认：50
consoleproxy.session.timeout
Console proxy Session超时时间（毫秒）；类型：整数；默认：30000
consoleproxy.url.domain
Console proxy URL domain；类型：domain name；默认：realhostip.com（必须可以访问到此域名）
control.cidr
用于control network通信，默认为link-local，每个POD必须唯一；类型：CIDR；默认：169.254.0.0/16
control.gateway
control network 网关；类型：IP；默认：169.254.0.1
copy.volume.wait
磁盘copy超时时间；类型：整数；默认：10800
cpu.overprovisioning.factor
CPU超配倍数，CPU可用量=CPU总量*超配倍数；类型：整数；默认：1（不超配）
create.private.template.from.snapshot.wait
从快照创建模板超时时间（秒）；类型：整数；默认：10800
create.private.template.from.volume.wait
从卷创建模板超时时间（秒）；类型：整数；默认：10800
create.volume.from.snapshot.wait
从快照创建卷超时时间（秒）；类型：整数；默认：10800
custom.diskoffering.size.max
允许用户创建磁盘最大值（GB）；类型：整数；默认：1024
custom.diskoffering.size.min
允许用户创建磁盘最小值（GB）；类型：整数；默认：1
default.page.size
list API默认一页大小；类型：整数；默认：500
detail.batch.query.size 2000 Default entity detail batch query size for listing
developer
开发者模式；类型：true/false；默认：true
direct.agent.load.size 16 The number of direct agents to load each time
direct.agent.pool.size 500 Default size for DirectAgentPool
direct.agent.scan.interval 90 Time interval (in seconds) to run the direct agent scan task.
direct.attach.network.externalIpAllocator.enabled false Direct-attach VMs using external DHCP server
direct.attach.network.externalIpAllocator.url NULL Direct-attach VMs using external DHCP server (API url)
direct.network.no.default.route false Direct Network Dhcp Server should not send a default route
direct.network.stats.interval
在Traffic Monitor采集数据间隔时间；类型：整数；默认：86400
disable.extraction
禁用模板/ISO下载；类型：true/false；默认：false
eip.use.multiple.netscalers false Should be set to true, if there will be multiple NetScaler devices providing EIP service in a zone
enable.baremetal.securitygroup.agent.echo false After starting provision process, periodcially echo security agent installed in the template. Treat provisioning as success only if echo successfully
enable.dynamic.scale.vm false Enables/Diables dynamically scaling a vm
enable.ec2.api
启用EC2 API；类型：true/false；默认：false
enable.ha.storage.migration
启用HA过程中，对主存储动态迁移；类型：true/false；默认：true
enable.s3.api
启用S3 API；类型：true/false；默认：false
enable.usage.server
启用Usage Server；类型：true/false；默认：true
encode.api.response
对API请求进行URL转码；类型：true/false；默认：false
endpointe.url Endpointe Url
event.purge.delay 15 Events older than specified number days will be purged. Set this value to 0 to never delete events
event.purge.interval
Event清理线程允许时间间隔（秒）；类型：整数；默认：86400
execute.in.sequence.hypervisor.commands
hyperviser执行command（StartCommand, StopCommand, CopyCommand）是否序列化，true则顺序执行，false则同时执行；类型：true/false；默认：true
execute.in.sequence.network.element.commands
执行网络节点command（DhcpEntryCommand, SavePasswordCommand, UserDataCommand, VmDataCommand）是否序列化，true则顺序执行，false则同时执行；类型：true/false；默认：true
expunge.delay
清理VM等待时间（秒），默认=expunge.interval；类型：整数；默认86400
expunge.interval
清理VM线程允许时间间隔（秒）；类型：整数；默认：86400
expunge.workers
清理VM线程数；类型：整数；默认：1
external.baremetal.resource.classname NULL class name for handling external baremetal resource
external.baremetal.system.url NULL url of external baremetal system that CloudStack will talk to
external.firewall.default.capacity 50 default number of networks permitted per external load firewall device
external.lb.default.capacity 50 default number of networks permitted per external load balancer device
external.network.stats.interval 300 Interval (in seconds) to report external network statistics.
extract.url.cleanup.interval 7200 The interval (in seconds) to wait before cleaning up the extract URL's
extract.url.expiration.interval 14400 The life of an extract URL after which it is deleted
guest.domain.suffix cloud.internal Default domain name for vms inside virtualized networks fronted by router
guest.vlan.bits 12 The number of bits to reserve for the VLAN identifier in the guest subnet.
ha.tag
HA tag，含有该tag的HOST，只能用于HA；类型：字符串；默认：NULL
ha.workers
HA线程数；类型：整数；默认：5
healthcheck.update.interval 600 Time Interval to fetch the LB health check states (in sec)
host
management Server IP（用于管理网段）；类型：IP；默认：初始化DB的时候自动获取
host.capacityType.to.order.clusters
主机资源类型，用于deployment planner分配VM资源时为Cluster排序；类型：CPU/RAM；默认：CPU
host.reservation.release.period
主机预留资源检查时间间隔（毫秒）；类型：整数；默认：300000
host.retry
在某Host上创建卷的重试此时；类型：整数；默认：2
host.stats.interval
Host stats获取时间间隔（毫秒）；类型：整数；默认：60000
hypervisor.list
该版本支持的Hyperviser List；类型：KVM,XenServer,VMware,BareMetal,Ovm,LXC；默认：KVM,XenServer,VMware,BareMetal,Ovm,LXC
incorrect.login.attempts.allowed
登陆错误尝试次数，超过则user会被禁用；类型：整数；默认：5
instance.name
创建VM的名字后缀；类型：字符串；默认：VM
integration.api.port
API端口；类型：端口；默认：8096
internallbvm.service.offering NULL Uuid of the service offering used by internal lb vm; if NULL - default system internal lb offering will be used
interval.baremetal.securitygroup.agent.echo 10 Interval to echo baremetal security group agent, in seconds
investigate.retry.interval 60 Time (in seconds) between VM pings when agent is disconnected
job.cancel.threshold.minutes 60 Time (in minutes) for async-jobs to be forcely cancelled if it has been in process for long
job.expire.minutes 1440 Time (in minutes) for async-jobs to be kept in system
json.content.type text/javascript Http response content type for .js files (default is text/javascript)
kvm.snapshot.enabled
是否启用KVM 的VM快照功能；类型：true/false；默认：false
kvm.ssh.to.agent
是否允许Management Server以SSH方式登录KVM agent；类型：true/false；默认：true
linkLocalIp.nums 10 The number of link local ip that needed by domR(in power of 2)
management.network.cidr
管理网段CIDR；类型：CIDR；默认：自动获取当前host ip的cidr
max.account.cpus
一个用户所能分配的最大CPU数量；类型：整数；默认：40
max.account.memory
一个用户所能分配的最大内存大小（MB）；类型：整数；默认：40960
max.account.networks
一个用户最多能创建的网络数量；类型：整数；默认：20
max.account.primary.storage
一个用户所能分配的最大存储大小（GB）；类型：整数；默认：200
max.account.public.ips
用户最多拥有的public IP数量；类型：整数；默认：20
max.account.secondary.storage
一个用户所能分配的最大二级存储大小（GB）；类型：整数；默认：400
max.account.snapshots
用户最多创建的Snapshot数量；类型：整数；默认：20
max.account.templates
用户最多创建的模板数量；类型：整数；默认：20
max.account.user.vms
用户最多创建的VM数量；类型：整数；默认：20
max.account.volumes
用户最多创建的卷数量；类型：整数；默认：20
max.account.vpcs
用户最多分配的VCPU数量；类型：整数；默认：20
max.project.cpus
一个项目能分配的最大CPU数量；类型：整数；默认：40
max.project.memory
一个项目能分配的最大内存大小（MB）；类型：整数；默认：40960
max.project.networks
一个项目能创建的最大Network数；类型：整数；默认：20
max.project.primary.storage
一个项目能分配的最大存储大小（GB）；类型：整数；默认：200
max.project.public.ips
一个项目能拥有的最大public ip数量；类型：整数；默认：20
max.project.secondary.storage
一个项目能分配的最大二级存储大小（GB）；类型：整数；默认：400
max.project.snapshots
一个project能创建的最大快照数；类型：整数；默认：20
max.project.templates
一个project能创建的最大模板数；类型：整数；默认：20
max.project.user.vms
一个project能创建的最大VM数；类型：整数；默认：20
max.project.volumes
一个project能创建的最大卷数量；类型：整数；默认：20
max.project.vpcs
一个project可以创建的最大VPC数；类型：整数；默认：20
max.template.iso.size
最大模板/ISOsize（GB）；类型：整数；默认：50
mem.overprovisioning.factor
内存超配倍数，内存可用量=内存总量*超配倍数；类型：整数；默认：1（不超配）
midonet.apiserver.address
指定Midonet API Server（如果使用Midonet）；类型：URL；默认：
midonet.providerrouter.id
使用Midonet的情况下，指定Modonet provider router的uuid；类型：UUID；默认：d7c5e6a3-e2f4-426b-b728-b7ce6a0448e5（未测试，此值来自DB）
migrate.retry.interval
migrate重试时间间隔（秒）；类型：整数；默认：120
migratewait
migrate超时时间（秒）；类型：整数；默认：3600
mount.parent
二级存储在Management Server上的挂载点；类型：Linux 路径；默认：/mnt
network.dhcp.nondefaultnetwork.setgateway.guestos Windows The guest OS's name start with this fields would result in DHCP server response gateway information even when the network it's on is not default network. Names are separated by comma.
network.disable.rpfilter
Domain Router VM public网络禁用rp_filter；类型：true/false；默认：true
network.dns.basiczone.updates all This parameter can take 2 values: all (default) and pod. It defines if DHCP/DNS requests have to be send to all dhcp servers in cloudstack, or only to the one in the same pod
network.gc.interval 600 Seconds to wait before checking for networks to shutdown
network.gc.wait 600 Time (in seconds) to wait before shutting down a network that's not in used
network.guest.cidr.limit 22 size limit for guest cidr; can't be less than this value
network.ipv6.search.retry.max 10000 The maximum number of retrying times to search for an available IPv6 address in the table
network.loadbalancer.basiczone.elb.enabled false Whether the load balancing service is enabled for basic zones
network.loadbalancer.basiczone.elb.gc.interval.minutes 30 Garbage collection interval to destroy unused ELB vms in minutes. Minimum of 5
network.loadbalancer.basiczone.elb.network guest Whether the elastic load balancing service public ips are taken from the public or guest network
network.loadbalancer.basiczone.elb.vm.cpu.mhz 128 CPU speed for the elastic load balancer vm
network.loadbalancer.basiczone.elb.vm.ram.size 128 Memory in MB for the elastic load balancer vm
network.loadbalancer.basiczone.elb.vm.vcpu.num 1 Number of VCPU for the elastic load balancer vm
network.loadbalancer.haproxy.max.conn
LB（HAProxy）当前链接的最大数；类型：整数；默认4096
network.loadbalancer.haproxy.stats.auth admin1:AdMiN123 Load Balancer(haproxy) authetication string in the format username:password
network.loadbalancer.haproxy.stats.port 8081 Load Balancer(haproxy) stats port number.
network.loadbalancer.haproxy.stats.uri /admin?stats Load Balancer(haproxy) uri.
network.loadbalancer.haproxy.stats.visibility global Load Balancer(haproxy) stats visibilty, the value can be one of the following six parameters : global,guest-network,link-local,disabled,all,default
network.lock.timeout 600 Lock wait timeout (seconds) while implementing network
network.securitygroups.defaultadding true If true, the user VM would be added to the default security group by default
network.securitygroups.work.cleanup.interval 120 Time interval (seconds) in which finished work is cleaned up from the work table
network.securitygroups.work.lock.timeout 300 Lock wait timeout (seconds) while updating the security group work queue
network.securitygroups.work.per.agent.queue.size 100 The number of outstanding security group work items that can be queued to a host. If exceeded, work items will get dropped to conserve memory. Security Group Sync will take care of ensuring that the host gets updated eventually
network.securitygroups.workers.pool.size 50 Number of worker threads processing the security group update work queue
network.throttling.rate 200 Default data transfer rate in megabits per second allowed in network.
ping.interval 60 Ping interval in seconds
ping.timeout 2.5 Multiplier to ping.interval before announcing an agent has timed out
pod.privateip.capacity.notificationthreshold
POD中私有IP分配率告警值，超过此值则发送Alert；类型：小数（0~1）；默认：0.75
pool.storage.allocated.capacity.disablethreshold
主存储已分配比率上限，超过此值则不能继续分配主存储；类型：小数（0~1）；默认：0.85
pool.storage.capacity.disablethreshold
主存储已使用比率上限，超过此值则不能继续分配主存储；类型：小数（0~1）；默认：0.85
port 8250 Port to listen on for agent connection.
primary.storage.download.wait
在二级存储向主存储传输模板超时时间（秒）；类型：整数；默认10800
project.email.sender NULL Sender of project invitation email (will be in the From header of the email)
project.invite.required
添加一个用户到project的时候，是否发送请求；类型：true/false；默认：false
project.invite.timeout
添加用户邀请超时时间；类型：整数；默认：86400
project.smtp.host NULL SMTP hostname used for sending out email project invitations
project.smtp.password NULL Password for SMTP authentication (applies only if project.smtp.useAuth is true)
project.smtp.port 465 Port the SMTP server is listening on
project.smtp.useAuth NULL If true, use SMTP authentication when sending emails
project.smtp.username NULL Username for SMTP authentication (applies only if project.smtp.useAuth is true)
recreate.systemvm.enabled
是否在启动系统虚拟机的时候，重建root卷；类型：true/false；默认：false
remote.access.vpn.client.iprange 10.1.2.1-10.1.2.8 The range of ips to be allocated to remote access vpn clients. The first ip in the range is used by the VPN server
remote.access.vpn.psk.length 24 The length of the ipsec preshared key (minimum 8, maximum 256)
remote.access.vpn.user.limit 8 The maximum number of VPN users that can be created per account
resourcecount.check.interval 0 Time (in seconds) to wait before retrying resource count check task. Default is 0 which is to never run the task
restart.retry.interval
VM重启超时时间（秒）；类型：整数；默认：600
router.check.interval 30 Interval (in seconds) to report redundant router status.
router.check.poolsize 10 Numbers of threads using to check redundant router status.
router.cpu.mhz
vrouter默认CPU速度（MHz）；类型：整数；默认：500
router.extra.public.nics 2 specify extra public nics used for virtual router(up to 5)
router.stats.interval 300 Interval (in seconds) to report router statistics.
router.template.hyperv
HyperV环境的vrouter模板名字；类型：模板名字；默认：SystemVM Template (HyperV)
router.template.kvm
KVM环境的vrouter模板名字；类型：模板名字；默认：SystemVM Template (KVM)
router.template.lxc
LXC环境的vrouter模板名字；类型：模板名字；默认：SystemVM Template (LXC)
router.template.vmware
Vmware环境的vrouter模板；类型：模板名字；默认：SystemVM Template (vSphere)
router.template.xen
XenServer环境的vrouter模板；类型：模板名字；默认：SystemVM Template (XenServer)
s3.rrs.enabled
启用S3 RRS；类型：true/false；默认false
s3.singleupload.max.size 5 The maximum size limit for S3 single part upload API(in GB). If it is set to 0, then it means always use multi-part upload to upload object to S3. If it is set to -1, then it means always use single-part upload to upload object to S3.
scale.retry 2 Number of times to retry scaling up the vm
sdn.ovs.controller
对L2-in-L3网络，启用Open vSwitch SDN controller；类型：true/false；默认：false
sdn.ovs.controller.default.label
对GRE endpoint使用网卡的默认Network label；类型：Network Label；默认cloud-public
secstorage.allowed.internal.sites
环境中，private IP相同网段上传模板/ISO需要在此设置该网段的CIDR，以逗号分隔，0.0.0.0是非法字段
secstorage.capacity.standby 10 The minimal number of command execution sessions that system is able to serve immediately(standby capacity)
secstorage.cmd.execution.time.max 30 The max command execution time in minute
secstorage.encrypt.copy true Use SSL method used to encrypt copy traffic between zones
secstorage.proxy
二级存储虚拟机代理；类型：；默认：NULL
secstorage.service.offering
二级存储虚拟机计算服务类型；类型：计算服务UUID；默认NULL（使用默认服务）
secstorage.session.max 50 The max number of command execution sessions that a SSVM can handle
secstorage.ssl.cert.domain realhostip.com SSL certificate used to encrypt copy traffic between zones
secstorage.vm.mtu.size 1500 MTU size (in Byte) of storage network in secondary storage vms
security.singlesignon.key s3ZbaX1_Oc1scuMuT3MDsKYUIRtF1ob1e2AtTYFLjZp-NPQwJa4g_PYsQwodJxV8h5qXNnkGPaSmbUsnX7z_kQ A Single Sign-On key used for logging into the cloud
security.singlesignon.tolerance.millis 300000 The allowable clock difference in milliseconds between when an SSO login request is made and when it is received.
site2site.vpn.customergateway.subnets.limit 10 The maximum number of subnets per customer gateway
site2site.vpn.vpngateway.connection.limit 4 The maximum number of VPN connection per VPN gateway
snapshot.backup.rightafter
在Snapshot完成后，立刻进行备份；类型：true/false；默认：true
snapshot.delta.max
两次全量快照之间，最多的增量快照数；类型：整数；默认：16
snapshot.max.daily
每天最多快照数；类型：整数；默认：8
snapshot.max.hourly
每小时最多快照数；类型：整数；默认：8
snapshot.max.monthly
每月最多快照数；类型：整数；默认：8
snapshot.max.weekly
每周最多快照数；类型：整数；默认：8
snapshot.poll.interval 300 The time interval in seconds when the management server polls for snapshots to be scheduled.
sortkey.algorithm false Sort algorithm for those who use sort key(template, disk offering, service offering, network offering), true means ascending sort while false means descending sort
start.retry
Create 和Start VM重试次数；类型：整数；默认：10
stop.retry.interval
两次重试Stop或Destroy VM的间隔时间（秒）；类型：整数；默认：600
storage.cache.replacement.enabled true enable or disable cache storage replacement algorithm.
storage.cache.replacement.interval 86400 time interval between cache replacement threads (in seconds).
storage.cache.replacement.lru.interval 30 time interval for unused data on cache storage (in days).
storage.cleanup.enabled
启用清理存储线程；类型：true/false；默认：true
storage.cleanup.interval
清理存储线程运行时间间隔（秒）；类型：整数；默认：86400
storage.max.volume.size
volume最大size（GB）；类型：整数；默认：2000
storage.max.volume.upload.size
上传Volume最大size（GB）；类型：整数；默认：500
storage.overprovisioning.factor
主存储超配倍数，主存储可用量=主存储总量*超配倍数；类型：整数；默认：2
storage.pool.max.waitseconds 3600 Timeout (in seconds) to synchronize storage pool operations.
storage.stats.interval 60000 The interval (in milliseconds) when storage stats (per host) are retrieved from agents.
storage.template.cleanup.enabled true Enable/disable template cleanup activity, only take effect when overall storage cleanup is enabled
sync.interval
集群状态sync时间间隔（秒）；类型：整数；默认：60
system.vm.auto.reserve.capacity true Indicates whether or not to automatically reserver system VM standby capacity.
system.vm.default.hypervisor NULL Hypervisor type used to create system vm
system.vm.random.password
系统虚拟机第一次启动时自动修改随机密码；类型：true/false；默认：false
system.vm.use.local.storage
系统虚拟机使用本地存储；类型：true/false；默认：false
task.cleanup.retry.interval 600 Time (in seconds) to wait before retrying cleanup of tasks if the cleanup failed previously. 0 means to never retry.
timeout.baremetal.securitygroup.agent.echo 3600 Timeout to echo baremetal security group agent, in seconds, the provisioning process will be treated as a failure
total.retries 4 The number of times each command sent to a host should be retried in case of failure.
traffic.sentinel.exclude.zones Traffic going into specified list of zones is not metered
traffic.sentinel.include.zones EXTERNAL Traffic going into specified list of zones is metered. For metering all traffic leave this parameter empty
ucs.sync.blade.interval 3600 the interval cloudstack sync with UCS manager for available blades in case user remove blades from chassis without notifying CloudStack
update.wait 600 Time to wait (in seconds) before alerting on a updating agent
usage.aggregation.timezone GMT The timezone to use for usage stats aggregation
usage.execution.timezone NULL The timezone to use for usage job execution time
usage.sanity.check.interval NULL Interval (in days) to check sanity of usage data
usage.stats.job.aggregation.range 1440 The range of time for aggregating the user statistics specified in minutes (e.g. 1440 for daily, 60 for hourly.
usage.stats.job.exec.time 00:15 The time at which the usage statistics aggregation job will run as an HH24:MM time, e.g. 00:30 to run at 12:30am.
use.external.dns false Bypass internal dns, use external dns1 and dns2
use.system.guest.vlans true If true, when account has dedicated guest vlan range(s), once the vlans dedicated to the account have been consumed vlans will be allocated from the system pool
use.system.public.ips true If true, when account has dedicated public ip range(s), once the ips dedicated to the account have been consumed ips will be acquired from the system pool
vm.allocation.algorithm
vm分配算法；类型：'random', 'firstfit', 'userdispersing', 'userconcentratedpod_random', 'userconcentratedpod_firstfit' ；默认：random
vm.deployment.planner
vm部署策略；类型：'FirstFitPlanner', 'UserDispersingPlanner', 'UserConcentratedPodPlanner'；默认：FirstFitPlaller
vm.destroy.forcestop false On destroy, force-stop takes this value
vm.disk.stats.interval
vm磁盘状态获取的时间间隔；类型：整数；默认：0（不获取状态）
vm.disk.throttling.bytes_read_rate
vm磁盘读速度限制（bytes/second）；类型：整数；默认：0（不限制）
vm.disk.throttling.bytes_write_rate
vm磁盘写速度限制（bytes/second）；类型：整数；默认：0（不限制）
vm.disk.throttling.iops_read_rate
vm磁盘每秒读请求次数限制；类型：整数；默认：0（不限制）
vm.disk.throttling.iops_write_rate
vm磁盘每秒写请求次数限制；类型：整数；默认：0（不限制）
vm.instancename.flag false If set to true, will set guest VM's name as it appears on the hypervisor, to its hostname
vm.network.throttling.rate 200 Default data transfer rate in megabits per second allowed in User vm's default network.
vm.op.cancel.interval 3600 Time (in seconds) to wait before cancelling a operation
vm.op.cleanup.interval 86400 Interval to run the thread that cleans up the vm operations (in seconds)
vm.op.cleanup.wait 3600 Time (in seconds) to wait before cleanuping up any vm work items
vm.op.lock.state.retry 5 Times to retry locking the state of a VM for operations
vm.op.wait.interval 120 Time (in seconds) to wait before checking if a previous operation has succeeded
vm.stats.interval
vm当前状态获取时间间隔（毫秒）；类型：整数；默认：60000
vm.tranisition.wait.interval 3600 Time (in seconds) to wait before taking over a VM in transition state
vm.user.dispersion.weight 1 Weight for user dispersion heuristic (as a value between 0 and 1) applied to resource allocation during vm deployment. Weight for capacity heuristic will be (1 - weight of user dispersion)
vmsnapshot.create.wait
Vmware虚拟机快照创建超时时间（秒）；类型：整数；默认：1800
vmsnapshot.max
一台Vmware虚拟机拥有的最大快照数量（虚拟机快照）；类型：整数；默认：10
vmware.additional.vnc.portrange.size 1000 Start port number of additional VNC port range
vmware.additional.vnc.portrange.start 50000 Start port number of additional VNC port range
vmware.create.full.clone
Vmware虚拟机创建模式（full clone），如果true，则创建vm的时候，磁盘完整复制，如果false则以delta格式创建；类型：true/false；默认：true
vmware.hung.wokervm.timeout 7200 Worker VM timeout in seconds
vmware.management.portgroup Management Network Specify the management network name(for ESXi hosts)
vmware.nested.virtualization
启用Vmware嵌套虚拟化；类型：true/false；默认：false
vmware.ports.per.dvportgroup 256 Default number of ports per Vmware dvPortGroup in VMware environment
vmware.recycle.hung.wokervm false Specify whether or not to recycle hung worker VMs
vmware.reserve.cpu false Specify whether or not to reserve CPU based on CPU overprovisioning factor
vmware.reserve.mem false Specify whether or not to reserve memory based on memory overprovisioning factor
vmware.root.disk.controller
Vmware环境中VM Root卷类型；类型：scsi, ide；默认：ide
vmware.service.console Service Console Specify the service console network name(for ESX hosts)
vmware.systemvm.nic.device.type
Vmware环境中，system vm网卡类型；类型：E1000, PCNet32, Vmxnet2, Vmxnet3；默认：E1000
vmware.use.dvswitch
Vmware环境中，启动或禁用 Nexus/Vmware dvSwitch；类型：true/false；默认：false
vmware.use.nexus.vswitch
Vmware环境中，启动或禁用 Cisco Nexus 1000v vSwitch；类型：true/false；默认：false
vpc.cleanup.interval 3600 The interval (in seconds) between cleanup for Inactive VPCs
vpc.max.networks 3 Maximum number of networks per vpc
wait
control commands返回超时时间（秒）；类型：整数；默认：1800
workers 5 Number of worker threads.
xapiwait
Xenserver API返回超时时间（秒）；类型：整数；默认：600
xen.bond.storage.nics NULL Attempt to bond the two networks if found
xen.heartbeat.interval
XenServer自检间隔时间（秒）；类型：整数；默认：60
xen.nics.max
XenServer VM 允许的最大网卡数；类型：整数；默认：7
xen.pvdriver.version
XenServer环境中，pvdriver版本；类型：xenserver56,xenserver61；默认：xenserver61
xen.setup.multipath false Setup the host to do multipath
zone.directnetwork.publicip.capacity.notificationthreshold 0.75 Percentage (as a value between 0 and 1) of Direct Network Public Ip Utilization above which alerts will be sent about low number of direct network public ips.
zone.secstorage.capacity.notificationthreshold 0.75 Percentage (as a value between 0 and 1) of secondary storage utilization above which alerts will be sent about low storage available.
zone.virtualnetwork.publicip.capacity.notificationthreshold 0.75 Percentage (as a value between 0 and 1) of public IP address space utilization above which alerts will be sent.
zone.vlan.capacity.notificationthreshold 0.75 Percentage (as a value between 0 and 1) of Zone Vlan utilization above which alerts will be sent about low number of Zone Vlans.