# AUTHOR <EMAIL@ADDRESS>, YEAR.
# 
msgid ""
msgstr ""
"Project-Id-Version: Fedora Virtualization Guide\n"
"POT-Creation-Date: 2011-03-02T01:07:51\n"
"PO-Revision-Date: 2011-08-21 06:30+0000\n"
"Last-Translator: Automatically generated\n"
"Language-Team: Polish (http://www.transifex.net/projects/p/fedora/team/pl/)\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Language: pl\n"
"Plural-Forms: nplurals=3; plural=(n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)\n"

#. Tag: title
#, no-c-format
msgid "KVM live migration"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"This chapter covers migrating guests running on a KVM hypervisor to another "
"KVM host."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"<firstterm linkend=\"glos-Virtualization-Migration\">Migration</firstterm> "
"is name for the process of moving a virtualized guest from one host to "
"another. Migration is a key feature of virtualization as software is "
"completely separated from hardware. Migration is useful for:"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Load balancing - guests can be moved to hosts with lower usage when a host "
"becomes overloaded."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Hardware failover - when hardware devices on the host start to fail, guests "
"can be safely relocated so the host can be powered down and repaired."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Energy saving - guests can be redistributed to other hosts and host systems "
"powered off to save energy and cut costs in low usage periods."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Geographic migration - guests can be moved to another location for lower "
"latency or in serious circumstances."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Migrations can be performed live or offline. To migrate guests the storage "
"must be shared. Migration works by sending the guests memory to the "
"destination host. The shared storage stores the guest's default file system."
" The file system image is not sent over the network from the source host to "
"the destination host."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"An offline migration suspends the guest then moves an image of the guests "
"memory to the destination host. The guest is resumed on the destination host"
" and the memory the guest used on the source host is freed."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"The time an offline migration takes depends network bandwidth and latency. A"
" guest with 2GB of memory should take an average of ten or so seconds on a 1"
" Gbit Ethernet link."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"A live migration keeps the guest running on the source host and begins "
"moving the memory without stopping the guest. All modified memory pages are "
"monitored for changes and sent to the destination while the image is sent. "
"The memory is updated with the changed pages. The process continues until "
"the amount of pause time allowed for the guest equals the predicted time for"
" the final few pages to be transfer. KVM estimates the time remaining and "
"attempts to transfer the maximum amount of page files from the source to the"
" destination until KVM predicts the amount of remaining pages can be "
"transferred during a very brief time while the virtualized guest is paused. "
"The registers are loaded on the new host and the guest is then resumed on "
"the destination host. If the guest cannot be merged (which happens when "
"guests are under extreme loads) the guest is paused and then an offline "
"migration is started instead."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"The time an offline migration takes depends network bandwidth and latency. "
"If the network is in heavy use or a low bandwidth the migration will take "
"much longer."
msgstr ""

#. Tag: title
#, no-c-format
msgid "Live migration requirements"
msgstr ""

#. Tag: para
#, no-c-format
msgid "Migrating guests requires the following:"
msgstr ""

#. Tag: title
#, no-c-format
msgid "Migration requirements"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"A virtualized guest installed on shared networked storage using one of the "
"following protocols:"
msgstr ""

#. Tag: para
#, no-c-format
msgid "Fibre Channel"
msgstr ""

#. Tag: para
#, no-c-format
msgid "iSCSI"
msgstr ""

#. Tag: para
#, no-c-format
msgid "NFS"
msgstr ""

#. Tag: para
#, no-c-format
msgid "GFS2"
msgstr ""

#. Tag: para
#, no-c-format
msgid "Two or more Fedora systems of the same version with the same updates."
msgstr ""

#. Tag: para
#, no-c-format
msgid "Both system must have the appropriate ports open."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Both systems must have identical network configurations. All bridging and "
"network configurations must be exactly the same on both hosts."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Shared storage must mount at the same location on source and destination "
"systems. The mounted directory name must be identical."
msgstr ""

#. Tag: title
#, no-c-format
msgid "Configuring network storage"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Configure shared storage and install a guest on the shared storage. For "
"shared storage instructions, refer to <xref linkend=\"sect-Virtualization-"
"Storage_Pools-Creating-iSCSI\" />."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Alternatively, use the NFS example in <xref linkend=\"sect-Virtualization-"
"KVM_live_migration-Share_storage_example_NFS_for_a_simple_migration\" />."
msgstr ""

#. Tag: title
#, no-c-format
msgid "Share storage example: NFS for a simple migration"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"This example uses NFS to share guest images with other KVM hosts. This "
"example is not practical for large installations, this example is only for "
"demonstrating migration techniques and small deployments. Do not use this "
"example for migrating or running more than a few virtualized guests."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"For advanced and more robust shared storage instructions, refer to <xref "
"linkend=\"sect-Virtualization-Storage_Pools-Creating-iSCSI\" />"
msgstr ""

#. Tag: title
#, no-c-format
msgid "Export your libvirt image directory"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Add the default image directory to the <filename>/etc/exports</filename> "
"file:"
msgstr ""

#. Tag: screen
#, no-c-format
msgid ""
"/var/lib/libvirt/images "
"<parameter>*.example.com</parameter>(rw,no_root_squash,async)\n"
msgstr ""

#. Tag: para
#, no-c-format
msgid "Change the hosts parameter as required for your environment."
msgstr ""

#. Tag: title
#, no-c-format
msgid "Start NFS"
msgstr ""

#. Tag: para
#, no-c-format
msgid "Install the NFS packages if they are not yet installed:"
msgstr ""

#. Tag: screen
#, no-c-format
msgid "# yum install nfs\n"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Open the ports for NFS in <command>iptables</command> and add NFS to the "
"<filename>/etc/hosts.allow</filename> file."
msgstr ""

#. Tag: para
#, no-c-format
msgid "Start the NFS service:"
msgstr ""

#. Tag: screen
#, no-c-format
msgid "# service nfs start\n"
msgstr ""

#. Tag: title
#, no-c-format
msgid "Mount the shared storage on the destination"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"On the destination system, mount the "
"<filename>/var/lib/libvirt/images</filename> directory:"
msgstr ""

#. Tag: screen
#, no-c-format
msgid ""
"# mount <parameter>sourceURL</parameter>:/var/lib/libvirt/images "
"/var/lib/libvirt/images\n"
msgstr ""

#. Tag: title
#, no-c-format
msgid "Locations must be the same on source and destination"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Whichever directory is chosen for the guests must exactly the same on host "
"and guest. This applies to all types of shared storage. The directory must "
"be the same or the migration will fail."
msgstr ""

#. Tag: title
#, no-c-format
msgid "Live KVM migration with virsh"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"A guest can be migrated to another host with the <command>virsh</command> "
"command. The <command>migrate</command> command accepts parameters in the "
"following format:"
msgstr ""

#. Tag: screen
#, no-c-format
msgid "# virsh migrate --live <parameter>GuestName DestinationURL</parameter>\n"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"The <parameter>GuestName</parameter> parameter represents the name of the "
"guest which you want to migrate."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"The <parameter>DestinationURL</parameter> parameter is the URL or hostname "
"of the destination system. The destination system must run the same version "
"of Fedora, be using the same hypervisor and have <command>libvirt</command> "
"running."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Once the command is entered you will be prompted for the root password of "
"the destination system."
msgstr ""

#. Tag: title
#, no-c-format
msgid "Example: live migration with virsh"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"This example migrates from <systemitem>test1.example.com</systemitem> to "
"<systemitem>test2.example.com</systemitem>. Change the host names for your "
"environment. This example migrates a virtual machine named "
"<filename>RHEL4test</filename>."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"This example assumes you have fully configured shared storage and meet all "
"the prerequisites (listed here: <xref linkend=\"item-Virtualization-"
"Live_migration_requirements-Migration_requirements\" />)."
msgstr ""

#. Tag: title
#, no-c-format
msgid "Verify the guest is running"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"From the source system, <systemitem>test1.example.com</systemitem>, verify "
"<systemitem>RHEL4test</systemitem> is running:"
msgstr ""

#. Tag: screen
#, no-c-format
msgid ""
"[root@test1 ~]# virsh list\n"
"Id Name                 State\n"
"----------------------------------\n"
" 10 RHEL4                running\n"
msgstr ""

#. Tag: title
#, no-c-format
msgid "Migrate the guest"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Execute the following command to live migrate the guest to the destination, "
"<systemitem>test2.example.com</systemitem>. Append "
"<filename>/system</filename> to the end of the destination URL to tell "
"libvirt that you need full access."
msgstr ""

#. Tag: screen
#, no-c-format
msgid ""
"# virsh migrate --live <parameter>RHEL4test "
"qemu+ssh://test2.example.com/system</parameter>\n"
msgstr ""

#. Tag: title
#, no-c-format
msgid "Wait"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"The migration may take some time depending on load and the size of the "
"guest. <command>virsh</command> only reports errors. The guest continues to "
"run on the source host until fully migrated."
msgstr ""

#. Tag: title
#, no-c-format
msgid "Verify the guest has arrived at the destination host"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"From the destination system, <systemitem>test2.example.com</systemitem>, "
"verify <systemitem>RHEL4test</systemitem> is running:"
msgstr ""

#. Tag: screen
#, no-c-format
msgid ""
"[root@test2 ~]# virsh list\n"
"Id Name                 State\n"
"----------------------------------\n"
" 10 RHEL4                running\n"
msgstr ""

#. Tag: para
#, no-c-format
msgid "The live migration is now complete."
msgstr ""

#. Tag: title
#, no-c-format
msgid "Other networking methods"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"libvirt supports a variety of networking methods including TLS/SSL, unix "
"sockets, SSH, and unencrypted TCP. Refer to <xref linkend=\"chap-"
"Virtualization-Remote_management_of_virtualized_guests\" /> for more "
"information on using other methods."
msgstr ""

#. Tag: title
#, no-c-format
msgid "Migrating with virt-manager"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"This section covers migrating KVM based guests with <command>virt-"
"manager</command>."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Connect to the source and target hosts. On the <guimenu>File</guimenu> menu,"
" click <guimenuitem>Add Connection</guimenuitem>, the <guilabel>Add "
"Connection</guilabel> window appears."
msgstr ""

#. Tag: para
#, no-c-format
msgid "Enter the following details:"
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"<guilabel>Hypervisor</guilabel>: Select <guimenuitem>QEMU</guimenuitem>."
msgstr ""

#. Tag: para
#, no-c-format
msgid "<guilabel>Connection</guilabel>: Select the connection type."
msgstr ""

#. Tag: para
#, no-c-format
msgid "<guilabel>Hostname</guilabel>: Enter the hostname."
msgstr ""

#. Tag: para
#, no-c-format
msgid "Click <guibutton>Connect</guibutton>."
msgstr ""

#. Tag: para
#, no-c-format
msgid "The Virtual Machine Manager displays a list of connected hosts."
msgstr ""

#. Tag: para
#, no-c-format
msgid "Add a storage pool with the same NFS to the source and target hosts."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"On the <guimenu>Edit</guimenu> menu, click <guimenuitem>Host "
"Details</guimenuitem>, the Host Details window appears."
msgstr ""

#. Tag: para
#, no-c-format
msgid "Click the <guibutton>Storage</guibutton> tab."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Add a new storage pool. In the lower left corner of the window, click the "
"<guibutton>+</guibutton> button. The <guilabel>Add a New Storage "
"Pool</guilabel> window appears."
msgstr ""

#. Tag: para
#, no-c-format
msgid "<guilabel>Name</guilabel>: Enter the name of the storage pool."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"<guilabel>Type</guilabel>: Select <guimenuitem>netfs: Network Exported "
"Directory</guimenuitem>."
msgstr ""

#. Tag: para
#, no-c-format
msgid "Click <guibutton>Forward</guibutton>."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"<guilabel>Format</guilabel>: Select the storage type. This must be NFS or "
"iSCSI for live migrations."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"<guilabel>Host Name</guilabel>: Enter the IP address or fully-qualified "
"domain name of the storage server."
msgstr ""

#. Tag: para
#, no-c-format
msgid "Click <guibutton>Finish</guibutton>."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Create a new volume in the shared storage pool, click <guibutton>New "
"Volume</guibutton>."
msgstr ""

#. Tag: para
#, no-c-format
msgid "Enter the details, then click <guibutton>Create Volume</guibutton>."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"Create a virtual machine with the new volume, then run the virtual machine."
msgstr ""

#. Tag: para
#, no-c-format
msgid "The <guilabel>Virtual Machine</guilabel> window appears."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"In the Virtual Machine Manager window, right-click on the virtual machine, "
"select <guimenuitem>Migrate</guimenuitem>, then click the migration "
"location."
msgstr ""

#. Tag: para
#, no-c-format
msgid "Click <guibutton>Yes</guibutton> to confirm migration."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"The Virtual Machine Manger displays the virtual machine in its new location."
msgstr ""

#. Tag: para
#, no-c-format
msgid ""
"The VNC connection displays the remote host's address in its title bar."
msgstr ""