Changes

[<b>--force</b>] [<b>--skip-fsck</b>][<b>--skip-remount</b>]</p> </td></tr>

<p>[<i>flags</i>] <b>stop</b> <i>CTID</i>[<b>--fast</b>][<b>--fastskip-umount</b>]</p> </td></tr>

[<b>--wait</b>] [<b>--force</b>] [<b>--fast</b>][<b>--skip-fsck</b>] [<b>--skip-remount</b>]</p></td></tr>

<p>[<i>flags</i>] <b>chkpntsuspend</b> | <b>restoreresume</b><i>CTID</i> [<b>--dumpfile&nbsp;</b><i>name</i>]</p> </td></tr>

<p>[<i>flags</i>] <b>snapshot</b> <i>CTID</i>

[<b>--skip-suspend</b>] [<b>--skip-config</b>]</p> </td></tr>

<p>[<i>flags</i>] <b>snapshot-switch</b> <i>CTID</i>[<b>--skip-resume</b> |<b>--must-resume</b>][<b>snapshot-delete -skip-config</b>] <b>--id</b> <i>uuid</i></p></td></tr>

<p>[<i>flags</i>] <b>snapshot-listdelete</b> <i>CTID</i><b>--id</b> <i>uuid</i></p></td></tr>

<p>[<i>flags</i>] <b>setsnapshot-mount</b> <i>CTID --parameter value</i>[...] [<b>--saveid</b>] [<bi>--forceuuid</bi>] [<b>--reset_ubtarget</b>][<bi>--setmode&nbsp;restartdir</b>|<b>ignore</bi>]</p> </td></tr>

<p>[<i>flags</i>] <b>destroy</b> | <b>delete</b> |<b>mount</b> | <b>snapshot-umount</b> | <bi>statusCTID</bi> |<b>quotaon--id</b> | <b>quotaoff</b> | <b>quotainit</b><i>CTIDuuid</i></p> </td></tr>

<p>[<i>flags</i>] <b>consolesnapshot-list</b> <i>CTID</i>[<b>-H</b>] [<b>-o</b> <i>field</i>[,<i>field</i>...][<b>--id</b> <i>ttynumuuid</i>]</p> </td></tr>

<p>[<i>flags</i>] <b>convertset</b> <i>CTID--parameter value</i>[...] [<b>--layout&nbsp;ploopsave</b>] [<b>:--force</b>{][<b>expanded--setmode&nbsp;restart</b>|<b>plainignore</b>|<b>raw</b>}]]</p> </td></tr>

<p>[<i>flags</i>] <b>exec</b> | <b>exec2set</b> <i>CTIDcommand</i> [<ib>arg--reset_ub</ib> ...]</p></td></tr>

<p>[<i>flags</i>] <b>enterdestroy</b> | <ib>delete</b> |<b>mount</b> | <b>umount</b> | <b>CTIDstatus</ib>|[<b>--exec&nbsp;quotaon</b> | <b>quotaoff</b>| <ib>command&nbsp;quotainit</ib>[<i>arg&nbsp;CTID</i>...]]</p> </td></tr>

<p>[<i>flags</i>] <b>runscriptconsole</b> <i>CTID script</i>[<i>ttynum</i>]</p></td></tr>

<p>[<i>flags</i>] <b>convert</b> <i>CTID</i>[<b>--helplayout&nbsp;ploop</b>[<b>:</b>{<b>expanded</b>|<b>plain</b> | <b>--versionraw</b>}]]</p></td></tr><tr valign="top" align="left"><td width="11%"></tabletd><td width="7%">

<p><b>vzctl</b></p></td><td width="2%"></td><td width= DESCRIPTION =="80%">

<p style>[<i>flags</i>] <b>compact</b> <i>CTID</i></p></td></tr><tr valign="top" align="margin-left:11%; margin-top: 1em">Utility<btd width="11%">vzctl</btd> runs on the host system (otherwise known asHardware Node, or HN) and performs direct manipulations withcontainers (CTs).</ptd width="7%">

<p style="margin-left:11%; margin-top: 1em">Containers canbe referred to by either numeric <ib>vzctl</b></p>CTID</itd> or by name (see<btd width="2%">--name</btd> option). Note that CT ID &lt;= 100 arereserved for OpenVZ internal purposes.</ptd width="80%">

<p>[<i>flags</i>] <b>exec</b> | <b>exec2</b> <i>CTIDcommand</i> [<i>arg</i> ...]</p></td></tr><tr valign="top" align= OPTIONS "left"><td width="11%"></td><td width="7%">

<p><b>vzctl</b></p></td><td width="2%"></td><td width== Flags ==="80%">

<p style="margin-top: 1em">These [<i>flags come before a</i>] <b>enter</b> <i>CTID</i>[<b>--exec&nbsp;</b><i>command, and can be used with any command&nbsp;</i>[<i>arg&nbsp;</i>... They affect]]</p> </td></tr>logging to console (terminal) only, and do not affect<tr valign="top" align="left">logging to a log file.<td width="11%"></ptd><td width="7%">

<p style="margin-left:11%;"><b>--quietvzctl</b></p></td><td width="2%"></td><td width="80%">

<p style="margin-left:17%;">Disables output. Note thatscripts run by vzctl are still able to produce someoutput.</p> [<p style="margin-left:11%;"i><b>--verboseflags</bi></p> <p style="margin-left:17%;">Increments logging level upfrom the default. Can be used multiple times. Default valueis set to the value of ] <b>VERBOSErunscript</b> parameter in theglobal configuration file [[Man/vz.conf.5|<bi>vz.confCTID script</b>(5)]], or to <bi>0</bp>if not set by <b>VERBOSE</btd> parameter.</p> === Setting container parameters === <table width="100%" border="0" rules="none" frame="void" cellspacing="0" cellpadding="0"tr>

<td width="47%">

<p style="margin-top: 1em"><b>setvzctl</b></p></td>

<td width="8380%">

<p style="margin-top: 1em"><ib>CTID--help</ib>[| <b>--onboot&nbsp;yesversion</b>|<b/p>no</btd>][<b>--bootorder&nbsp;<</btr><i>number</itable>][== DESCRIPTION == <b>p style="margin-left:11%; margin-root&nbsp;top: 1em">Utility</b><i>pathvzctl</ib>]runs on the host system (otherwise known as[<b>--private&nbsp;Hardware Node, or HN) and performs direct manipulations withcontainers (CTs).</bp><i>path</i>][<b>p style="margin-left:11%; margin-userpasswd&nbsp;</btop: 1em">Containers canbe referred to by either numeric <i>userCTID</i>:or by name (see<ib>pass--name</i>][<b>--disabledoption). Note that CT ID &nbsplt;yes= 100 arereserved for OpenVZ internal purposes. A numeric ID shouldnot be more than </b>|2147483644</b>no.</bp>][== OPTIONS == === Flags === <bp style="margin-top: 1em">--name&nbsp;These flags come before acommand, and can be used with any command. They affectlogging to console (terminal) only, and do not affectlogging to a log file.</bp> <i>name</ip style="margin-left:11%;">][<b>--description&nbsp;quiet</b><i>string</ip>][<b>p style="margin--ipadd&nbspleft:17%;</b"><i>addrDisables output. Note thatscripts run by vzctl are still able to produce someoutput.</ip>][<b>p style="margin--ipdel&nbspleft:11%;"></b><i>addr--verbose</i>|<b>all</bp>][<b>p style="margin--hostname&nbspleft:17%;">Increments logging level upfrom the default. Can be used multiple times. Default valueis set to the value of </b>VERBOSE<i/b>name</i>]parameter in theglobal configuration file [[Man/vz.conf.5|<b>--nameserver&nbsp;vz.conf</b><i(5)]], or to <b>addr0</ib>][if not set by <b>--searchdomain&nbsp;VERBOSE</b><i>nameparameter.</ip>][<b>--netif_add&nbsp;=== Setting container parameters === </b><i>dev</itable width="100%" border="0" rules="none" frame="void" cellspacing="0" cellpadding="0">[,<itr valign="top" align="left"><td width="11%">params</itd>...]][<btd width="4%"> <p style="margin--netif_del&nbsp;top: 1em"><b>set</b><i/p>dev</itd>|<btd width="2%">all</btd>][<btd width="83%"> <p style="margin--ifname</btop: 1em"> <i>devCTID</i>[<b>--maconboot&nbsp;yes</b>|<ib>hwaddrno</ib>][<b>--host_ifnamebootorder&nbsp;</b><i>devnumber</i>][<b>--host_macroot&nbsp;</b><i>hwaddrpath</i>][<b>--bridgeprivate&nbsp;</b><i>namepath</i>][<b>--mac_filtermount_opts&nbsp;on</b>|<bi>offoptions</bi>]][<b>--numprocuserpasswd&nbsp;</b><i>itemsuser</i>:<i>pass</i>][<b>--numtcpsockdisabled&nbsp;yes</b>|<ib>itemsno</ib>][<b>--numothersockname&nbsp;</b><i>itemsname</i>][<b>--vmguarpagesdescription&nbsp;</b><i>pagesstring</i>][<b>--kmemsizeostemplate&nbsp;</b><i>bytesstring</i>][<b>--tcpsndbufstop-timeout&nbsp;</b><i>bytesseconds</i>][<b>--tcprcvbufipadd&nbsp;</b><i>bytesaddr</i>][<b>--othersockbufipdel&nbsp;</b><i>bytesaddr</i>|<b>all</b>][<b>--dgramrcvbufhostname&nbsp;</b><i>bytesname</i>][<b>--oomguarpagesnameserver&nbsp;</b><i>pagesaddr</i>][<b>--lockedpagessearchdomain&nbsp;</b><i>pagesname</i>][<b>--privvmpagesnetif_add&nbsp;</b><i>pagesdev</i>[,<i>params</i>...]][<b>--shmpagesnetif_del&nbsp;</b><i>pagesdev</i>|<b>all</b>][<b>--numfile&nbsp;ifname</b><i>itemsdev</i>][<b>--numflockmac&nbsp;</b><i>itemshwaddr</i>][<b>--numptyhost_ifname&nbsp;</b><i>itemsdev</i>][<b>--numsiginfohost_mac&nbsp;</b><i>itemshwaddr</i>][<b>--dcachesizebridge&nbsp;</b><i>bytesname</i>][<b>--numiptentmac_filter&nbsp;on</b>|<ib>numoff</ib>]][<b>--physpagesnumproc&nbsp;</b><i>pagesitems</i>][<b>--swappagesnumtcpsock&nbsp;</b><i>pagesitems</i>][<b>--ramnumothersock&nbsp;</b><i>bytesitems</i>][<b>--swapvmguarpages&nbsp;</b><i>bytespages</i>][<b>--cpuunitskmemsize&nbsp;</b><i>numbytes</i>][<b>--cpulimittcpsndbuf&nbsp;</b><i>numbytes</i>][<b>--cpustcprcvbuf&nbsp;</b><i>numbytes</i>][<b>--cpumaskothersockbuf&nbsp;</b><i>cpusbytes</i>|][<b>all--dgramrcvbuf&nbsp;</b><i>bytes</i>][<b>--meminfooomguarpages&nbsp;none</b>|<i>mode</i>:<i>valuepages</i>][<b>--iptableslockedpages&nbsp;</b><i>namepages</i>[<b>,</b>...]][<b>--netdev_addprivvmpages&nbsp;</b><i>ifnamepages</i>][<b>--netdev_delshmpages&nbsp;</b><i>ifnamepages</i>][<b>--diskquotanumfile&nbsp;yes</b>|<bi>noitems</bi>][<b>--diskspacenumflock&nbsp;</b><i>numitems</i>][<b>--diskinodesnumpty&nbsp;</b><i>numitems</i>][<b>--quotatimenumsiginfo&nbsp;</b><i>secondsitems</i>][<b>--quotaugidlimitdcachesize&nbsp;</b><i>numbytes</i>][<b>--noatimenumiptent&nbsp;yes</b>|<bi>nonum</bi>][<b>--capabilityphyspages&nbsp;</b><i>capnamepages</i>:][<b>on--swappages&nbsp;</b>|<bi>offpages</b>[<bi>,</b>...]][<b>--devnodesram&nbsp;</b><i>parambytes</i>][<b>--devicesswap&nbsp;</b><i>parambytes</i>][<b>--pci_addvm_overcommit&nbsp;</b><i>devfloat</i>][<b>--pci_delcpuunits&nbsp;</b><i>devnum</i>][<b>--featurescpulimit&nbsp;</b><i>namenum</i>:][<b>on--cpus&nbsp;</b>|<bi>offnum</bi>][<b>,--cpumask&nbsp;</b>...]][<i>cpus</i>|<b>--applyconfig&nbsp;auto</b>|<ib>nameall</ib>][<b>--applyconfig_mapnodemask&nbsp;</b><i>groupnodes</i>|<b>all</b>][<b>--iopriomeminfo&nbsp;none</b>|<i>nummode</i>] [:<bi>--savevalue</bi>][<b>--forceiptables&nbsp;</b>] <i>name</i>[<b>--reset_ub,</b>...]][<b>--setmodenetfilter&nbsp;restartdisabled</b>|<b>ignorestateless</b>]|</pb> stateful</tdb>|</trb>full<tr valign="top" align="left"/b>][<td width="11%"b>--netdev_add&nbsp;</tdb><td width="4%"i>ifname</tdi>][<td width="2%"b>--netdev_del&nbsp;</tdb><td width="83%"> i>ifname<p/i>This command sets various container parameters. If the]container is currently running, [<b>vzctl--diskquota&nbsp;yes</b> applies theseparameters to the container. The following options can beused with |<b>setno</b> command.][</pb>--diskspace&nbsp;</tdb></tri>num</tablei>] ==== Flags ==== <p style="margin-left:11%;">[<b>--savediskinodes&nbsp;</b><i>num</pi>] [<p style="marginb>--left:17%quotatime&nbsp;"</b>If this flag is given,parameters are saved in container configuration file<i>seconds</i>][[Man/ctid.conf.5|<b>ctid.conf--quotaugidlimit&nbsp;</b>(5)]].<i>num</pi>] <p style="margin-left:11%;">[<b>--forcecapability&nbsp;</b><i>capname</pi> <p style="margin-left:17%;">If this flag is given togetherwith <b>--saveon</b>, parameters are saved even if the currentkernel doesn&rsquo;t support OpenVZ.|<b>off</p> <p style="margin-left:11%;"b>[<b>--reset_ub,</b>...]][</pb> <p style="margin-left:17%-devnodes&nbsp;">If this flag is given,</b>vzctl<i>param</bi> applies all User Beancounter parameters from]the configuration file to a running container. This ishelpful in case configuration file is modified manually.Please note this flag is not compatible with [<b>--save<devices&nbsp;</b>,<i>param</i>]and it is usually a bad idea to combine it with any otheroptions.[<b>--pci_add&nbsp;</b><i>dev</i>][<b>--pci_del&nbsp;</b><i>dev</i>][<b>--features&nbsp;</b><i>name</i>:<b>on</b>|<b>off</b>[<b>,</b>...]][<b>--applyconfig&nbsp;</b><i>name</i>][<b>--applyconfig_map&nbsp;</b><i>group</i>][<b>--ioprio&nbsp;</b><i>num</i>][<b>--iolimit&nbsp;</b><i>mbps</i>][<b>--iopslimit&nbsp;</b><i>iops</i>] [<b>--save</b>][<b>--force</b>] [<b>--reset_ub</b>][<b>--setmode&nbsp;restart</b>|<b>ignore</b>]</p> </td></tr><tr valign="top" align="left"><td width="11%"></td><td width="4%"></td><td width="2%"></td><td width="83%">

<p>This command sets various container parameters. If thecontainer is currently running, <b>vzctl</b> applies theseparameters to the container. The following options can beused with <b>set</b> command.</p></td></tr></table> ==== Flags ==== <p style="margin-left:11%;"><b>--save</b></p> <p style="margin-left:17%;">If this flag is given,parameters are saved in container configuration file[[Man/ctid.conf.5|<b>ctid.conf</b>(5)]].</p> <p style="margin-left:11%;"><b>--force</b></p> <p style="margin-left:17%;">If this flag is given togetherwith <b>--save</b>, parameters are saved even if the currentkernel doesn&rsquo;t support OpenVZ. Note this flag does notmake sense without <b>--save</b>, so <b>--save</b> isrequired.</p> <p style="margin-left:11%;"><b>--reset_ub</b></p> <p style="margin-left:17%;">If this flag is given,<b>vzctl</b> applies all User Beancounter parameters fromthe configuration file to a running container. This ishelpful in case configuration file is modified manually.Please note this flag is exclusive, i.e. it can not becombined with any other options or flags.</p> <p style="margin-left:11%;"><b>--setmode restart</b> |<b>ignore</b></p>

<b>vzctl</b> warns prints a warning if such parameters are present supplied and acontainer is running. Use <b>--setmode restart</b> together with <b>--save</b> flag torestart a container in such a case, or <b>--setmodeignore</b> to suppress the above mentioned warning.</p>

be started during system boot. The container will not bestartedauto-started unless on boot by <b>vz</b> initscript if either this parameter is set to <b>yes</b>, or the container was running just beforelast reboot, and this parameter is not set to <b>no</b>.Default value is unset, meaning the container will bestarted if it was running before the last reboot.</p>

applied directly to the container (, by modifying its /etc/passwd andrunning/etc/shadow files)distribution-specific programs inside the container. It isnot recommended to combine this option with any otheroptions.</p>

container root filesystem is was not mountedrunning, it isautomatically mounted, started then all the appropriate file changesare applied, then it is unmountedstopped.</p>

<b>vzctl</b> in place of <i>CTID</i>. Note this option cannot be used without <b>--save</b>.</p>

<p style==== Networking ===="margin-left:11%;"><b>--ostemplate</b><i>string</i></p>

<p style="margin-left:17%;">Sets a new value of<b>OSTEMPLATE</b> parameter in container configuration file[[Man/ctid.conf.5|<b>ctid.conf</b>(5)]]. Requires <b>--save</b> flag. Usefulafter a change/upgrade of a distribution running insidecontainer, as vzctl uses the value of OSTEMPLATE to rundistribution-specific scripts.</p> <p style="margin-left:11%;"><b>--stop-timeout</b><i>seconds</i></p> <p style="margin-left:17%;">Sets a time to wait forcontainer to stop on <b>vzctl stop</b> before forciblykilling it, in seconds. Note this option can not be usedwithout <b>--save</b> flag.</p> <p style="margin-left:17%; margin-top: 1em">Special valueof <b>0</b> means to use compiled-in default.</p> ==== Networking ==== <p style="margin-left:11%;"><b>--ipadd</b> <i>addr</i></p>

&bull; <b>B</b>, <b>b</b> - bytes(this is the default). <b><br>

<b>auto</b> | <b>all</b></p>

<p style="margin-left:22%;">sets Sets list of allowed CPUs for

decimal numbers and /or ranges. Consecutively set bits are shownas two hyphen-separated decimal numbers, the smallest andlargest bit numbers set in the range. For example, if youwant the container to execute on CPUs 0, 1, 2, 7, you shouldpass <b>0-2,7</b>. Default value is <b>all</b> (thecontainer can execute on any CPU). If used with the<b>--nodemask</b> option, value of <b>auto</b> assigns allCPUs from the specified NUMA node to a container.</p> <p style="margin-left:11%;"><b>--nodemask</b> <i>nodes</i>| <b>all</b></p> <p style="margin-left:22%;">Sets list of allowed NUMA nodesfor the container. Input format is the same as for<b>--cpumask</b>. Note that <b>--nodemask</b> must be usedwith the <b>--cpumask</b> option.</p>

==== Netfilter (iptables ) control parameters ==== <p style="margin-left:11%;"><b>--netfilter&nbsp;disabled</b>|<b>stateless</b>|<b>stateful</b>|<b>full</b></p> <p style="margin-left:22%;">Restrict access tonetfilter/iptables modules for a container. This optionreplaces obsoleted <b>--iptables</b>.</p>

<p style="margin-left:1122%;margin-top: 1em">Note thatchanging this parameter requires container restart, soconsider using <b>--iptables</b><i>name</i>[<b>,setmode</b>option...]</p>

<p style="margin-left:22%;margin-top: 1em">Allow to use the functionalityThe followingof arguments can be used: <ib>name</ibr> iptables module inside the container.Multiple comma-separated <i>name&bull; disabled</ib>s can be specified.</p>

<p style="margin-left:2232%; margin-top: 1em">The defaultlist of enabled iptables no modules is defined by the<b>IPTABLES</b> variable in [[Man/vz.conf.5|<b>vz.conf</b>(5)]].are allowed</p>

<p style="margin-left:22%;"><b>&bull; stateless</b></p> <p style="margin-left:32%;">all modules except NAT andconntracks are allowed (i.e. filter and mangle); this is thedefault</p> <p style="margin-left:22%;"><b>&bull; stateful</b></p> <p style="margin-left:32%;">all modules except NAT areallowed</p> <table width="100%" border="0" rules="none" frame="void" cellspacing="0" cellpadding="0"><tr valign="top" align="left"><td width="22%"></td><td width="9%"> <p><b>&bull; full</b></p></td><td width="1%"></td><td width="36%"> <p>all modules are allowed</p></td><td width="32%"></td></tr></table> <p style="margin-left:11%;"><b>--iptables</b><i>name</i>[<b>,</b>...]</p> <p style="margin-left:22%;"><b>Note</b> this option isobsoleted, <b>--netfilter</b> should be used instead.</p> <p style="margin-left:22%; margin-top: 1em">Allow to usethe functionality of <i>name</i> iptables module inside thecontainer. Multiple comma-separated <i>name</i>s can bespecified.</p> <p style="margin-left:22%; margin-top: 1em">The defaultlist of enabled iptables modules is defined by the<b>IPTABLES</b> variable in [[Man/vz.conf.5|<b>vz.conf</b>(5)]].</p> <p style="margin-left:22%; margin-top: 1em">You can use thefollowing values for <i>name</i>: <b>iptable_filter</b>,

soft and hard disk quota limits, in blocks. First parameteris soft limit, second is hard limit. One block is currentlyequal to 1Kb.</p>

<b>ploop</b> layout, sets initiates the size procedure of resizing the ploop image fileto the new size. Since there is nosoft/hard limit concept in ploop, second <i>num</i>, ifspecified,is ignored.</p> <p style="margin-left:22%; margin-top: 1em">By default,ploop resize is done online, i.e. on a mounted ploop. Thisis a preferred way of doing resize. Although, in kilobytesa rare casea container was using lots of disk space and should now beresized to a much smaller size, an offline resize might bemore appropriate. In this case, make sure the container isstopped and unmounted and use additional<b>--offline-resize</b> option</p> <p style="margin-left:22%; margin-top: 1em">Note that ploopresize is NOT performed on container start, so forconsistency <b>--diskspace</b> must be used together with<b>--save</b> flag.</p>

<b>Resource limits</b> section for more info onsuffixes).If suffix is not specified, value is in kilobytes.</p>

==== Mount Capability option ====

<p style="margin-left:11%;"><b>--noatime yes</b> |<b>no</b></p> <p style="margin-left:22%;">Sets noatime flag (do notupdate inode access times) on filesystem.</p> ==== Capability option ==== <p style="margin-left:11%;"><b>--capability</b>

usually located at <b>/usr/lib[64]libexec/vzctl/scripts/</b>.</p>

==== I/O priority management scheduling ====

<p style="margin-left:22%;">Assigns disk I/O priority to

<p style="margin-left:11%;"><b>--iolimit</b><i>limit</i>[<b>B</b>|<b>K</b>|<b>M</b>|<b>G</b>]</p> <p style="margin-left:22%;">Assigns disk I/O bandwidthlimit for a container. Value is either a number with anoptional suffix, or a literal string <b>unlimited</b>. Valueof <b>0</b> means &quot;unlimited&quot;. By default acontainer has no I/O limit. Maximum allowed limit is 2gigabytes per second; values exceeding the limit aretruncated.</p> <p style= Checkpointing "margin-left:22%; margin-top: 1em">If no suffix isprovided, the <i>limit</i> is assumed to be in megabytes persecond. Available suffixes are: <br>&bull; <b>b</b>, <b>B</b> -- bytes per second; <br>&bull; <b>k</b>, <b>K</b> -- kilobytes per second; <br>&bull; <b>m</b>, <b>M</b> -- megabytes per second (default);<br>&bull; <b>g</b>, <b>G</b> -- gigabytes per second;</p> <p style="margin-left:11%;"><b>--iopslimit</b><i>iops</i></p> <p style="margin-left:22%;">Assigns IOPS limit for acontainer, in number of input/output operations per second.Value is a number or a literal string <b>unlimited</b>.Value of <b>0</b> means &quot;unlimited&quot;. By default acontainer has no IOPS limit.</p> === Suspending and restore resuming ===

OpenVZ kernel which allows to save a complete in-kernelstate of arunning container, and to restore it later.</p>

<p style="margin-left:11%;"><b>suspend</b>|<b>chkpnt</b> <i>CTID</i>[<b>--dumpfile</b> <i>name</i>]</p>

<p style="margin-left:17%;">This command saves suspends a completestate of a running container to a dump file, and stops thecontainer. If an option <b>--dumpfile</b> is not set,default dump file name <b>/vz/dump/Dump.</b><i>CTID</i> isused.</p>

<p style="margin-left:11%;"><b>resume</b>|<b>restore</b> <i>CTID</i>[<b>--dumpfile</b> <i>name</i>]</p>

container from the dump file created by the <b>chkpntsuspend</b>

[<b>--skip-suspend</b>] [<b>--skip-config</b>]</p>

<p style="margin-left:17%;">Creates a container snapshot,i.e. saves the current container state, including its fileIf <i>uuid</i> is not specifiedsystem state, running processes state, it is auto-generatedand configurationfile.</p>

and CT memory dump becomes the part of snapshot. Otherwise</p> <p style="margin-left:17%; margin-top: 1em">Unless<b>--skip-config</b> option is given,containeronly configuration file system state is savedto the snapshot.</p>

<p style="margin-left:17%; margin-top: 1em">If <i>uuid</i>is not specified, it is auto-generated. Options

<i>CTID</i> [<b>--skip-resume</b> | <b>--must-resume</b>][<b>--skip-config</b>] <b><br>--id</b> <i>uuid</i></p>

snapshot identified by <i>uuid</i>, restoring its filesystem state, configuration (if available) and its runningstate (if available). </p> <p style="margin-left:17%; margin-top: 1em"><b>Note that the currentstate of a container (including its file systemcontainer state and its configuration file system state ) is lost! </b></p> <p style="margin-left:17%; margin-top: 1em">Option<b>--skip-resume</b> is used to ignore a CT memory dump filein a snapshot, as a result the container will end up beingin a stopped state (same as if a snapshot has been takenwith <b>--skip-suspend</b>).</p> <p style="margin-left:17%; margin-top: 1em">If givenoptionsnapshot contains CT <b>--must-resume</b> is set, absense of a memory dumpistreated as an error, it and the inability to restore from thememory dump is restoredtreated as an error rather than warning.</p> <p style="margin-left:17%; margin-top: 1em">Option option<b>--skip-config</b> is used to ignore the CT configurationfile in a snapshot, otherwisei.e. the current configuration file willit be left as is stopped.</p>

<i>CTID</i>[<b>-H</b>] [<b>-o</b><i>field</i>[,<i>field</i>...] [<b>--id</b> <i>uuid</i>]</p> <p style="margin-left:17%;">List container&rsquo;ssnapshots.</p> <p style="margin-left:17%; margin-top: 1em">You cansuppress displaying header using <b>-H</b> option.</p>

<p style="margin-left:17%;margin-top: 1em">Lists all snapshotsYou can use the<b>-o</b> option to display only the specified<i>field</i>(s). ActiveList of available fields can be obtainedsnapshot is marked with using <b>*-L</b> signoption.</p>

[<b>--name&nbsp;</b><i>name</i>][<b>--local_uid&nbsp;</b><i>uid</i>][<b>--local_gid&nbsp;</b><i>gid</i>]</p> </td></tr>

<b>expanded</b>. Using value other than <b>rawexpanded</b> is not recommended and iscurrently not supported.</p>

<b>--diskspace</b> option and <b>--diskinodes</b> options to specify container file systemsize. Suffixes Note that for<b>Gploop</b>layout, you will not be able to change inodesvalue later.</p> <p style="margin-left:17%; margin-top: 1em">If<b>MDISKSPACE</b>is not specified either in the sampleconfiguration file used for creation or in globalconfiguration file [[Man/vz.conf.5|<b>vz.conf</b>(5)]], <b>K--diskspace</b> can also bespecified (see parameter is required for <b>Resource limitsploop</b> section for more infoon suffixes)layout.</p>

<p style="margin-left:17%; margin-top: 1em">Suffixes<b>G</b>, <b>M</b>, <b>K</b> can also be specified (see<b>Resource limits</b> section for more info onsuffixes).</p> <p style="margin-left:17%; margin-top: 1em">You can use<b>--root</b> <i>path</i> option to sets the path to the

[<b>--wait</b>] [<b>--force</b>] [<b>--skip-fsck</b>][<b>--skip-remount</b>]</p>

[<b>--fast</b>] [<b>--skip-umount</b>]</p>

<p style="margin-left:17%;">Stops a container and unmounts a containerit (unless <b>--skip-umount</b> is given).Normally, <b>halt</b>(8) is executed inside a container;optionoption <b>--fast</b> makes <b>vzctl</b> use <b>reboot</b>(2)

[<b>--wait</b>] [<b>--force</b>] [<b>--fast</b>][<b>--skip-fsck</b>]</p>

exists, is <b>suspended</b>. It appears if both a containerand its dump file exist exists for a stopped container (see <b>chkpntsuspend</b>).</p>

Note that these sequences are only recognized afterat the<b>Enter</b>beginning of a line.</p>

Per-CT scripts have a <i>CTID</i><b>.</b> numeric prefix and areexecuted for the given container only.</p>

[ -f /etc/sysconfigvz/vz .conf ] || exit 1

<p>Error during <b>vzctl chkpntsuspend</b></p></td></tr>

<p>Error during <b>vzctl restoreresume</b></p></td></tr>

<p>Parameter <b>DISKSPACE</b> not set (or set too high)</p></td></tr>

<p>Error resizing ploop image</p></td></tr><tr valign="top" align="left"><td width="11%"></td><td width="4%"> <p>155</p></td><td width="7%"></td><td width="78%"> <p>Error converting container to ploop layout</p></td></tr><tr valign="top" align="left"><td width="11%"></td><td width="4%"> <p>156</p></td><td width="7%"></td><td width="78%"> <p>Error creating ploop snapshot</p></td></tr><tr valign="top" align="left"><td width="11%"></td><td width="4%"> <p>157</p></td><td width="7%"></td><td width="78%"> <p>Error merging ploop snapshot</p></td></tr><tr valign="top" align="left"><td width="11%"></td><td width="4%"> <p>158</p></td><td width="7%"></td><td width="78%"> <p>Error deleting ploop snapshot</p></td></tr><tr valign="top" align="left"><td width="11%"></td><td width="4%"> <p>159</p></td><td width="7%"></td><td width="78%"> <p>Error switching ploop snapshot</p></td></tr>

<p>158166</p></td>

<p>Error deleting compacting ploop snapshotimage</p></td></tr>

<p>159167</p></td>

<p>Error switching listing ploop snapshotsnapsots</p></td></tr>

2000-20112013, Parallels, Inc. Licensed under GNU GPL.</p>