1OC ADM(1)                          June 2016                         OC ADM(1)
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NAME

6       oc adm cordon - Mark node as unschedulable
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SYNOPSIS

11       oc adm cordon [OPTIONS]
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DESCRIPTION

16       Mark node as unschedulable.
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OPTIONS

21       --dry-run=false
22           If  true, only print the object that would be sent, without sending
23       it.
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26       -l, --selector=""
27           Selector (label query) to filter on
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OPTIONS INHERITED FROM PARENT COMMANDS

32       --allow_verification_with_non_compliant_keys=false
33           Allow  a  SignatureVerifier  to  use  keys  which  are  technically
34       non-compliant with RFC6962.
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37       --alsologtostderr=false
38           log to standard error as well as files
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41       --application_metrics_count_limit=100
42           Max number of application metrics to store (per container)
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45       --as=""
46           Username to impersonate for the operation
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49       --as-group=[]
50           Group  to  impersonate for the operation, this flag can be repeated
51       to specify multiple groups.
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54       --azure-container-registry-config=""
55           Path to the file containing Azure container registry  configuration
56       information.
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59       --boot_id_file="/proc/sys/kernel/random/boot_id"
60           Comma-separated  list  of files to check for boot-id. Use the first
61       one that exists.
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64       --cache-dir="/builddir/.kube/http-cache"
65           Default HTTP cache directory
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68       --certificate-authority=""
69           Path to a cert file for the certificate authority
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72       --client-certificate=""
73           Path to a client certificate file for TLS
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76       --client-key=""
77           Path to a client key file for TLS
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80       --cloud-provider-gce-lb-src-cidrs=130.211.0.0/22,209.85.152.0/22,209.85.204.0/22,35.191.0.0/16
81           CIDRs opened in GCE firewall for LB traffic proxy  health checks
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84       --cluster=""
85           The name of the kubeconfig cluster to use
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88       --container_hints="/etc/cadvisor/container_hints.json"
89           location of the container hints file
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92       --containerd="unix:///var/run/containerd.sock"
93           containerd endpoint
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96       --context=""
97           The name of the kubeconfig context to use
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100       --default-not-ready-toleration-seconds=300
101           Indicates    the    tolerationSeconds   of   the   toleration   for
102       notReady:NoExecute that is added by default to every pod that does  not
103       already have such a toleration.
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106       --default-unreachable-toleration-seconds=300
107           Indicates  the  tolerationSeconds  of  the  toleration for unreach‐
108       able:NoExecute that is added by default to  every  pod  that  does  not
109       already have such a toleration.
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112       --docker="unix:///var/run/docker.sock"
113           docker endpoint
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116       --docker-tls=false
117           use TLS to connect to docker
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120       --docker-tls-ca="ca.pem"
121           path to trusted CA
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124       --docker-tls-cert="cert.pem"
125           path to client certificate
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128       --docker-tls-key="key.pem"
129           path to private key
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132       --docker_env_metadata_whitelist=""
133           a  comma-separated  list of environment variable keys that needs to
134       be collected for docker containers
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137       --docker_only=false
138           Only report docker containers in addition to root stats
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141       --docker_root="/var/lib/docker"
142           DEPRECATED: docker root is read from docker info (this is  a  fall‐
143       back, default: /var/lib/docker)
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146       --enable_load_reader=false
147           Whether to enable cpu load reader
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150       --event_storage_age_limit="default=24h"
151           Max length of time for which to store events (per type). Value is a
152       comma separated list of key values, where  the  keys  are  event  types
153       (e.g.: creation, oom) or "default" and the value is a duration. Default
154       is applied to all non-specified event types
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157       --event_storage_event_limit="default=100000"
158           Max number of events to store (per type). Value is  a  comma  sepa‐
159       rated  list  of  key values, where the keys are event types (e.g.: cre‐
160       ation, oom) or "default" and  the  value  is  an  integer.  Default  is
161       applied to all non-specified event types
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164       --global_housekeeping_interval=0
165           Interval between global housekeepings
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168       --housekeeping_interval=0
169           Interval between container housekeepings
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172       --insecure-skip-tls-verify=false
173           If true, the server's certificate will not be checked for validity.
174       This will make your HTTPS connections insecure
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177       --kubeconfig=""
178           Path to the kubeconfig file to use for CLI requests.
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181       --log-flush-frequency=0
182           Maximum number of seconds between log flushes
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185       --log_backtrace_at=:0
186           when logging hits line file:N, emit a stack trace
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189       --log_cadvisor_usage=false
190           Whether to log the usage of the cAdvisor container
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193       --log_dir=""
194           If non-empty, write log files in this directory
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197       --logtostderr=true
198           log to standard error instead of files
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201       --machine_id_file="/etc/machine-id,/var/lib/dbus/machine-id"
202           Comma-separated list of files to  check  for  machine-id.  Use  the
203       first one that exists.
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206       --match-server-version=false
207           Require server version to match client version
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210       -n, --namespace=""
211           If present, the namespace scope for this CLI request
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214       --request-timeout="0"
215           The  length  of  time  to  wait before giving up on a single server
216       request. Non-zero values should contain a corresponding time unit (e.g.
217       1s, 2m, 3h). A value of zero means don't timeout requests.
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220       -s, --server=""
221           The address and port of the Kubernetes API server
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224       --stderrthreshold=2
225           logs at or above this threshold go to stderr
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228       --storage_driver_buffer_duration=0
229           Writes  in  the  storage driver will be buffered for this duration,
230       and committed to the non memory backends as a single transaction
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233       --storage_driver_db="cadvisor"
234           database name
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237       --storage_driver_host="localhost:8086"
238           database host:port
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241       --storage_driver_password="root"
242           database password
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245       --storage_driver_secure=false
246           use secure connection with database
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249       --storage_driver_table="stats"
250           table name
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253       --storage_driver_user="root"
254           database username
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257       --token=""
258           Bearer token for authentication to the API server
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261       --user=""
262           The name of the kubeconfig user to use
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265       -v, --v=0
266           log level for V logs
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269       --version=false
270           Print version information and quit
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273       --vmodule=
274           comma-separated list of pattern=N settings for  file-filtered  log‐
275       ging
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EXAMPLE

280                # Mark node "foo" as unschedulable.
281                oc adm cordon foo
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SEE ALSO

287       oc-adm(1),
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HISTORY

292       June 2016, Ported from the Kubernetes man-doc generator
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296Openshift                  Openshift CLI User Manuals                OC ADM(1)
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