source/locale/fr/LC_MESSAGES/storage.po (1,061 lines of code) (raw):

# Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, # software distributed under the License is distributed on an # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY # KIND, either express or implied. See the License for the # specific language governing permissions and limitations # under the License. # # Translators: msgid "" msgstr "" "Project-Id-Version: Apache CloudStack Administration RTD\n" "Report-Msgid-Bugs-To: \n" "POT-Creation-Date: 2016-08-22 13:55+0200\n" "PO-Revision-Date: 2016-12-19 18:59+0100\n" "Language-Team: French (http://www.transifex.com/ke4qqq/apache-cloudstack-" "administration-rtd/language/fr/)\n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=utf-8\n" "Content-Transfer-Encoding: 8bit\n" "Generated-By: Babel 2.3.4\n" "Last-Translator: \n" "Language: fr\n" "X-Generator: Poedit 1.8.11\n" #: ../../storage.rst:18 msgid "Working with Storage" msgstr "Travailler avec le stockage" #: ../../storage.rst:21 msgid "Storage Overview" msgstr "Vue d'ensemble du stockage" #: ../../storage.rst:23 msgid "" "CloudStack defines two types of storage: primary and secondary. Primary " "storage can be accessed by either iSCSI or NFS. Additionally, direct " "attached storage may be used for primary storage. Secondary storage is " "always accessed using NFS." msgstr "" "CloudStack définit 2 types de stockage : primaire et secondaire. Le stockage " "primaire peut être accédé soit en iSCSI ou en NFS. En complément, le " "stockage directement attaché (DAS) peut être utilisé comme stockage " "primaire. Le stockage secondaire est toujours accédé en utilisant NFS." #: ../../storage.rst:28 msgid "" "There is no ephemeral storage in CloudStack. All volumes on all nodes are " "persistent." msgstr "" "Il n'y a pas de stockage éphémère dans CloudStack. Tous les volumes sur tous " "les noeuds sont persistents." #: ../../storage.rst:33 msgid "Primary Storage" msgstr "Stockage primaire" #: ../../storage.rst:35 msgid "" "This section gives concepts and technical details about CloudStack primary " "storage. For information about how to install and configure primary storage " "through the CloudStack UI, see the Installation Guide." msgstr "" "Cette section donne les concepts et les détails techniques sur le stockage " "primaire de CloudStack. Pour des informations sur la façon d'installer et de " "configurer le stockage primaire par l'interface CloudStack, consultez le " "guide d'installation." #: ../../storage.rst:39 msgid "" "`“About Primary Storage” <http://docs.cloudstack.apache.org/en/latest/" "concepts.html#about-primary-storage>`_" msgstr "" "`“A propos du stockage primaire” <http://docs.cloudstack.apache.org/en/" "latest/concepts.html#about-primary-storage>`_" #: ../../storage.rst:43 msgid "Best Practices for Primary Storage" msgstr "Meilleurs pratiques pour le stockage primaire" #: ../../storage.rst:45 msgid "" "The speed of primary storage will impact guest performance. If possible, " "choose smaller, higher RPM drives or SSDs for primary storage." msgstr "" "La vitesse du stockage primaire va impacter les performances des invités. Si " "possible, choisissez des disques plus petits, avec des RPM plus élevés ou " "des disques SSD pour le stockage primaire." #: ../../storage.rst:49 msgid "There are two ways CloudStack can leverage primary storage:" msgstr "Il y a deux façons pour CloudStack d'exploiter le stockage primaire :" #: ../../storage.rst:51 msgid "" "Static: This is CloudStack's traditional way of handling storage. In this " "model, a preallocated amount of storage (ex. a volume from a SAN) is given " "to CloudStack. CloudStack then permits many of its volumes to be created on " "this storage (can be root and/or data disks). If using this technique, " "ensure that nothing is stored on the storage. Adding the storage to " "CloudStack will destroy any existing data." msgstr "" #: ../../storage.rst:59 msgid "" "Dynamic: This is a newer way for CloudStack to manage storage. In this " "model, a storage system (rather than a preallocated amount of storage) is " "given to CloudStack. CloudStack, working in concert with a storage plug-in, " "dynamically creates volumes on the storage system and each volume on the " "storage system maps to a single CloudStack volume. This is highly useful for " "features such as storage Quality of Service. Currently this feature is " "supported for data disks (Disk Offerings)." msgstr "" #: ../../storage.rst:70 msgid "Runtime Behavior of Primary Storage" msgstr "Comportement à l'exécution du stockage primaire" #: ../../storage.rst:72 msgid "" "Root volumes are created automatically when a virtual machine is created. " "Root volumes are deleted when the VM is destroyed. Data volumes can be " "created and dynamically attached to VMs. Data volumes are not deleted when " "VMs are destroyed." msgstr "" #: ../../storage.rst:77 msgid "" "Administrators should monitor the capacity of primary storage devices and " "add additional primary storage as needed. See the Advanced Installation " "Guide." msgstr "" #: ../../storage.rst:81 msgid "" "Administrators add primary storage to the system by creating a CloudStack " "storage pool. Each storage pool is associated with a cluster or a zone." msgstr "" #: ../../storage.rst:85 msgid "" "With regards to data disks, when a user executes a Disk Offering to create a " "data disk, the information is initially written to the CloudStack database " "only. Upon the first request that the data disk be attached to a VM, " "CloudStack determines what storage to place the volume on and space is taken " "from that storage (either from preallocated storage or from a storage system " "(ex. a SAN), depending on how the primary storage was added to CloudStack)." msgstr "" #: ../../storage.rst:95 msgid "Hypervisor Support for Primary Storage" msgstr "" #: ../../storage.rst:97 msgid "" "The following table shows storage options and parameters for different " "hypervisors." msgstr "" #: ../../storage.rst:103 msgid "Storage media \\\\ hypervisor" msgstr "Media de stockage \\\\ hyperviseur" #: ../../storage.rst:103 ../../storage.rst:720 msgid "VMware vSphere" msgstr "VMware vSphere" #: ../../storage.rst:103 ../../storage.rst:720 msgid "Citrix XenServer" msgstr "Citrix XenServer" #: ../../storage.rst:103 ../../storage.rst:342 ../../storage.rst:720 msgid "KVM" msgstr "KVM" #: ../../storage.rst:103 msgid "Hyper-V" msgstr "Hyper-V" #: ../../storage.rst:105 msgid "**Format for Disks, Templates, and Snapshots**" msgstr "**Format des disques, des modèles et des instantanés**" #: ../../storage.rst:105 msgid "VMDK" msgstr "VMDK" #: ../../storage.rst:105 ../../storage.rst:340 msgid "VHD" msgstr "VHD" #: ../../storage.rst:105 ../../storage.rst:342 msgid "QCOW2" msgstr "QCOW2" #: ../../storage.rst:105 msgid "VHD Snapshots are not supported." msgstr "" #: ../../storage.rst:107 msgid "**iSCSI support**" msgstr "" #: ../../storage.rst:107 ../../storage.rst:108 msgid "VMFS" msgstr "VMFS" #: ../../storage.rst:107 msgid "Clustered LVM" msgstr "" #: ../../storage.rst:107 ../../storage.rst:108 msgid "Yes, via Shared Mountpoint" msgstr "Oui, par point de montage partagé" #: ../../storage.rst:107 ../../storage.rst:108 ../../storage.rst:109 #: ../../storage.rst:111 ../../storage.rst:112 ../../storage.rst:113 #: ../../storage.rst:722 msgid "No" msgstr "Non" #: ../../storage.rst:108 msgid "**Fiber Channel support**" msgstr "" #: ../../storage.rst:108 msgid "Yes, via Existing SR" msgstr "" #: ../../storage.rst:109 msgid "**NFS support**" msgstr "**Support NFS**" #: ../../storage.rst:109 ../../storage.rst:110 ../../storage.rst:112 #: ../../storage.rst:113 ../../storage.rst:722 msgid "Yes" msgstr "Oui" #: ../../storage.rst:110 msgid "**Local storage support**" msgstr "" #: ../../storage.rst:111 msgid "**Storage over-provisioning**" msgstr "" #: ../../storage.rst:111 msgid "NFS and iSCSI" msgstr "NFS et iSCSI" #: ../../storage.rst:111 msgid "NFS" msgstr "NFS" #: ../../storage.rst:112 msgid "**SMB/CIFS**" msgstr "**SMB/CIFS**" #: ../../storage.rst:113 msgid "**Ceph/RBD**" msgstr "**Ceph/RBD**" #: ../../storage.rst:116 msgid "" "XenServer uses a clustered LVM system to store VM images on iSCSI and Fiber " "Channel volumes and does not support over-provisioning in the hypervisor. " "The storage server itself, however, can support thin-provisioning. As a " "result the CloudStack can still support storage over-provisioning by running " "on thin-provisioned storage volumes." msgstr "" #: ../../storage.rst:122 msgid "" "KVM supports \"Shared Mountpoint\" storage. A shared mountpoint is a file " "system path local to each server in a given cluster. The path must be the " "same across all Hosts in the cluster, for example /mnt/primary1. This shared " "mountpoint is assumed to be a clustered filesystem such as OCFS2. In this " "case the CloudStack does not attempt to mount or unmount the storage as is " "done with NFS. The CloudStack requires that the administrator insure that " "the storage is available" msgstr "" #: ../../storage.rst:130 msgid "" "With NFS storage, CloudStack manages the overprovisioning. In this case the " "global configuration parameter storage.overprovisioning.factor controls the " "degree of overprovisioning. This is independent of hypervisor type." msgstr "" #: ../../storage.rst:135 msgid "" "Local storage is an option for primary storage for vSphere, XenServer, and " "KVM. When the local disk option is enabled, a local disk storage pool is " "automatically created on each host. To use local storage for the System " "Virtual Machines (such as the Virtual Router), set system.vm.use.local." "storage to true in global configuration." msgstr "" #: ../../storage.rst:141 msgid "" "CloudStack supports multiple primary storage pools in a Cluster. For " "example, you could provision 2 NFS servers in primary storage. Or you could " "provision 1 iSCSI LUN initially and then add a second iSCSI LUN when the " "first approaches capacity." msgstr "" #: ../../storage.rst:148 msgid "Storage Tags" msgstr "" #: ../../storage.rst:150 msgid "" "Storage may be \"tagged\". A tag is a text string attribute associated with " "primary storage, a Disk Offering, or a Service Offering. Tags allow " "administrators to provide additional information about the storage. For " "example, that is a \"SSD\" or it is \"slow\". Tags are not interpreted by " "CloudStack. They are matched against tags placed on service and disk " "offerings. CloudStack requires all tags on service and disk offerings to " "exist on the primary storage before it allocates root or data disks on the " "primary storage. Service and disk offering tags are used to identify the " "requirements of the storage that those offerings have. For example, the high " "end service offering may require \"fast\" for its root disk volume." msgstr "" #: ../../storage.rst:162 msgid "" "The interaction between tags, allocation, and volume copying across clusters " "and pods can be complex. To simplify the situation, use the same set of tags " "on the primary storage for all clusters in a pod. Even if different devices " "are used to present those tags, the set of exposed tags can be the same." msgstr "" #: ../../storage.rst:170 msgid "Maintenance Mode for Primary Storage" msgstr "" #: ../../storage.rst:172 msgid "" "Primary storage may be placed into maintenance mode. This is useful, for " "example, to replace faulty RAM in a storage device. Maintenance mode for a " "storage device will first stop any new guests from being provisioned on the " "storage device. Then it will stop all guests that have any volume on that " "storage device. When all such guests are stopped the storage device is in " "maintenance mode and may be shut down. When the storage device is online " "again you may cancel maintenance mode for the device. The CloudStack will " "bring the device back online and attempt to start all guests that were " "running at the time of the entry into maintenance mode." msgstr "" #: ../../storage.rst:185 msgid "Secondary Storage" msgstr "Stockage secondaire" #: ../../storage.rst:187 msgid "" "This section gives concepts and technical details about CloudStack secondary " "storage. For information about how to install and configure secondary " "storage through the CloudStack UI, see the Advanced Installation Guide." msgstr "" #: ../../storage.rst:192 msgid "" "`“About Secondary Storage” <http://docs.cloudstack.apache.org/en/latest/" "concepts.html#about-secondary-storage>`_" msgstr "" #: ../../storage.rst:196 msgid "Working With Volumes" msgstr "" #: ../../storage.rst:198 msgid "" "A volume provides storage to a guest VM. The volume can provide for a root " "disk or an additional data disk. CloudStack supports additional volumes for " "guest VMs." msgstr "" #: ../../storage.rst:202 msgid "" "Volumes are created for a specific hypervisor type. A volume that has been " "attached to guest using one hypervisor type (e.g, XenServer) may not be " "attached to a guest that is using another hypervisor type, for example:" "vSphere, KVM. This is because the different hypervisors use different disk " "image formats." msgstr "" #: ../../storage.rst:208 msgid "" "CloudStack defines a volume as a unit of storage available to a guest VM. " "Volumes are either root disks or data disks. The root disk has \"/\" in the " "file system and is usually the boot device. Data disks provide for " "additional storage, for example: \"/opt\" or \"D:\". Every guest VM has a " "root disk, and VMs can also optionally have a data disk. End users can mount " "multiple data disks to guest VMs. Users choose data disks from the disk " "offerings created by administrators. The user can create a template from a " "volume as well; this is the standard procedure for private template " "creation. Volumes are hypervisor-specific: a volume from one hypervisor type " "may not be used on a guest of another hypervisor type." msgstr "" #: ../../storage.rst:220 msgid "CloudStack supports attaching up to" msgstr "" #: ../../storage.rst:222 msgid "" "13 data disks on XenServer hypervisor versions 6.0 and above, And all " "versions of VMware." msgstr "" #: ../../storage.rst:225 msgid "64 data disks on Hyper-V." msgstr "" #: ../../storage.rst:227 msgid "6 data disks on other hypervisor types." msgstr "" #: ../../storage.rst:231 msgid "Creating a New Volume" msgstr "" #: ../../storage.rst:233 msgid "" "You can add more data disk volumes to a guest VM at any time, up to the " "limits of your storage capacity. Both CloudStack administrators and users " "can add volumes to VM instances. When you create a new volume, it is stored " "as an entity in CloudStack, but the actual storage resources are not " "allocated on the physical storage device until you attach the volume. This " "optimization allows the CloudStack to provision the volume nearest to the " "guest that will use it when the first attachment is made." msgstr "" #: ../../storage.rst:243 msgid "Using Local Storage for Data Volumes" msgstr "" #: ../../storage.rst:245 msgid "" "You can create data volumes on local storage (supported with XenServer, KVM, " "and VMware). The data volume is placed on the same host as the VM instance " "that is attached to the data volume. These local data volumes can be " "attached to virtual machines, detached, re-attached, and deleted just as " "with the other types of data volume." msgstr "" #: ../../storage.rst:251 msgid "" "Local storage is ideal for scenarios where persistence of data volumes and " "HA is not required. Some of the benefits include reduced disk I/O latency " "and cost reduction from using inexpensive local disks." msgstr "" #: ../../storage.rst:255 msgid "" "In order for local volumes to be used, the feature must be enabled for the " "zone." msgstr "" #: ../../storage.rst:258 msgid "" "You can create a data disk offering for local storage. When a user creates a " "new VM, they can select this disk offering in order to cause the data disk " "volume to be placed in local storage." msgstr "" #: ../../storage.rst:262 msgid "" "You can not migrate a VM that has a volume in local storage to a different " "host, nor migrate the volume itself away to a different host. If you want to " "put a host into maintenance mode, you must first stop any VMs with local " "data volumes on that host." msgstr "" #: ../../storage.rst:269 msgid "To Create a New Volume" msgstr "" #: ../../storage.rst:271 ../../storage.rst:367 ../../storage.rst:400 #: ../../storage.rst:466 ../../storage.rst:487 ../../storage.rst:516 #: ../../storage.rst:572 msgid "Log in to the CloudStack UI as a user or admin." msgstr "" #: ../../storage.rst:273 ../../storage.rst:320 ../../storage.rst:574 #: ../../storage.rst:674 msgid "In the left navigation bar, click Storage." msgstr "" #: ../../storage.rst:275 ../../storage.rst:371 ../../storage.rst:576 msgid "In Select View, choose Volumes." msgstr "Dans la Sélection de Vue, choisissez Volumes." #: ../../storage.rst:277 msgid "" "To create a new volume, click Add Volume, provide the following details, and " "click OK." msgstr "" #: ../../storage.rst:280 msgid "Name. Give the volume a unique name so you can find it later." msgstr "" #: ../../storage.rst:282 msgid "" "Availability Zone. Where do you want the storage to reside? This should be " "close to the VM that will use the volume." msgstr "" #: ../../storage.rst:285 msgid "Disk Offering. Choose the characteristics of the storage." msgstr "" #: ../../storage.rst:287 msgid "" "The new volume appears in the list of volumes with the state “Allocated.” " "The volume data is stored in CloudStack, but the volume is not yet ready for " "use" msgstr "" #: ../../storage.rst:291 msgid "To start using the volume, continue to Attaching a Volume" msgstr "" #: ../../storage.rst:295 msgid "Uploading an Existing Volume to a Virtual Machine" msgstr "" #: ../../storage.rst:297 msgid "" "Existing data can be made accessible to a virtual machine. This is called " "uploading a volume to the VM. For example, this is useful to upload data " "from a local file system and attach it to a VM. Root administrators, domain " "administrators, and end users can all upload existing volumes to VMs." msgstr "" #: ../../storage.rst:303 msgid "" "The upload is performed using HTTP. The uploaded volume is placed in the " "zone's secondary storage" msgstr "" #: ../../storage.rst:306 msgid "" "You cannot upload a volume if the preconfigured volume limit has already " "been reached. The default limit for the cloud is set in the global " "configuration parameter max.account.volumes, but administrators can also set " "per-domain limits that are different from the global default. See Setting " "Usage Limits" msgstr "" #: ../../storage.rst:312 msgid "To upload a volume:" msgstr "" #: ../../storage.rst:314 msgid "" "(Optional) Create an MD5 hash (checksum) of the disk image file that you are " "going to upload. After uploading the data disk, CloudStack will use this " "value to verify that no data corruption has occurred." msgstr "" #: ../../storage.rst:318 msgid "Log in to the CloudStack UI as an administrator or user" msgstr "" #: ../../storage.rst:322 msgid "Click Upload Volume." msgstr "" #: ../../storage.rst:324 msgid "Provide the following:" msgstr "" #: ../../storage.rst:326 msgid "" "Name and Description. Any desired name and a brief description that can be " "shown in the UI." msgstr "" #: ../../storage.rst:329 msgid "" "Availability Zone. Choose the zone where you want to store the volume. VMs " "running on hosts in this zone can attach the volume." msgstr "" #: ../../storage.rst:332 msgid "" "Format. Choose one of the following to indicate the disk image format of the " "volume." msgstr "" #: ../../storage.rst:338 msgid "Hypervisor" msgstr "" #: ../../storage.rst:338 msgid "Disk Image Format" msgstr "" #: ../../storage.rst:340 msgid "XenServer" msgstr "" #: ../../storage.rst:341 msgid "VMware" msgstr "" #: ../../storage.rst:341 msgid "OVA" msgstr "" #: ../../storage.rst:345 msgid "" "URL. The secure HTTP or HTTPS URL that CloudStack can use to access your " "disk. The type of file at the URL must match the value chosen in Format. For " "example, if Format is VHD, the URL might look like the following:" msgstr "" #: ../../storage.rst:350 msgid "``http://yourFileServerIP/userdata/myDataDisk.vhd``" msgstr "" #: ../../storage.rst:352 msgid "MD5 checksum. (Optional) Use the hash that you created in step 1." msgstr "" #: ../../storage.rst:354 msgid "" "Wait until the status of the volume shows that the upload is complete. Click " "Instances - Volumes, find the name you specified in step 5, and make sure " "the status is Uploaded." msgstr "" #: ../../storage.rst:360 msgid "Attaching a Volume" msgstr "Attacher un Volume" #: ../../storage.rst:362 msgid "" "You can attach a volume to a guest VM to provide extra disk storage. Attach " "a volume when you first create a new volume, when you are moving an existing " "volume from one VM to another, or after you have migrated a volume from one " "storage pool to another." msgstr "" "Vous pouvez attacher un volume à une VM pour lui fournir plus d'espace " "disque de stockage. Vous pouvez attacher un volume lors de sa création, " "lorsque vous déplacer un volume d'une VM existante vers une autre, ou après " "avoir migré le volume d'un groupe de stockage à un autre." #: ../../storage.rst:369 msgid "In the left navigation, click Storage." msgstr "Dans la navigation à gauche, cliquez sur Stockage." #: ../../storage.rst:373 msgid "" "Click the volume name in the Volumes list, then click the Attach Disk button " "|AttachDiskButton.png|" msgstr "" #: ../../storage.rst:376 msgid "" "In the Instance popup, choose the VM to which you want to attach the volume. " "You will only see instances to which you are allowed to attach volumes; for " "example, a user will see only instances created by that user, but the " "administrator will have more choices." msgstr "" "Dans la popup d'instance, choisissez la VM sur laquelle vous désirez " "attacher le volume. Vous ne verrez que les instances sur lesquelles vous " "êtes autorisé à attacher le volume ; par exemple, un utilisateur ne verra " "que ses propres instances, mais l'administrateur aura plus de choix." #: ../../storage.rst:381 msgid "" "When the volume has been attached, you should be able to see it by clicking " "Instances, the instance name, and View Volumes." msgstr "" "Lorsqu'un volume a été attaché, vous devriez pouver le voir en cliquant sur " "instances, puis le nom de l'instance et \"Voir les Volumes\"." #: ../../storage.rst:386 msgid "Detaching and Moving Volumes" msgstr "" #: ../../storage.rst:389 msgid "" "This procedure is different from moving volumes from one storage pool to " "another as described in `“VM Storage Migration” <#vm-storage-migration>`_." msgstr "" #: ../../storage.rst:393 msgid "" "A volume can be detached from a guest VM and attached to another guest. Both " "CloudStack administrators and users can detach volumes from VMs and move " "them to other VMs." msgstr "" #: ../../storage.rst:397 msgid "" "If the two VMs are in different clusters, and the volume is large, it may " "take several minutes for the volume to be moved to the new VM." msgstr "" #: ../../storage.rst:402 msgid "" "In the left navigation bar, click Storage, and choose Volumes in Select " "View. Alternatively, if you know which VM the volume is attached to, you can " "click Instances, click the VM name, and click View Volumes." msgstr "" #: ../../storage.rst:407 msgid "" "Click the name of the volume you want to detach, then click the Detach Disk " "button. |DetachDiskButton.png|" msgstr "" #: ../../storage.rst:410 msgid "" "To move the volume to another VM, follow the steps in `“Attaching a Volume” " "<#attaching-a-volume>`_." msgstr "" #: ../../storage.rst:415 msgid "VM Storage Migration" msgstr "" #: ../../storage.rst:417 msgid "Supported in XenServer, KVM, and VMware." msgstr "" #: ../../storage.rst:420 msgid "" "This procedure is different from moving disk volumes from one VM to another " "as described in `“Detaching and Moving Volumes” <#detaching-and-moving-" "volumes>`_." msgstr "" #: ../../storage.rst:424 msgid "" "You can migrate a virtual machine’s root disk volume or any additional data " "disk volume from one storage pool to another in the same zone." msgstr "" #: ../../storage.rst:427 msgid "" "You can use the storage migration feature to achieve some commonly desired " "administration goals, such as balancing the load on storage pools and " "increasing the reliability of virtual machines by moving them away from any " "storage pool that is experiencing issues." msgstr "" #: ../../storage.rst:432 msgid "" "On XenServer and VMware, live migration of VM storage is enabled through " "CloudStack support for XenMotion and vMotion. Live storage migration allows " "VMs to be moved from one host to another, where the VMs are not located on " "storage shared between the two hosts. It provides the option to live migrate " "a VM’s disks along with the VM itself. It is possible to migrate a VM from " "one XenServer resource pool / VMware cluster to another, or to migrate a VM " "whose disks are on local storage, or even to migrate a VM’s disks from one " "storage repository to another, all while the VM is running." msgstr "" #: ../../storage.rst:443 msgid "" "Because of a limitation in VMware, live migration of storage for a VM is " "allowed only if the source and target storage pool are accessible to the " "source host; that is, the host where the VM is running when the live " "migration operation is requested." msgstr "" #: ../../storage.rst:450 msgid "Migrating a Data Volume to a New Storage Pool" msgstr "" #: ../../storage.rst:452 msgid "There are two situations when you might want to migrate a disk:" msgstr "" #: ../../storage.rst:454 msgid "" "Move the disk to new storage, but leave it attached to the same running VM." msgstr "" #: ../../storage.rst:457 msgid "" "Detach the disk from its current VM, move it to new storage, and attach it " "to a new VM." msgstr "" #: ../../storage.rst:462 msgid "Migrating Storage For a Running VM" msgstr "" #: ../../storage.rst:464 msgid "(Supported on XenServer and VMware)" msgstr "" #: ../../storage.rst:468 msgid "" "In the left navigation bar, click Instances, click the VM name, and click " "View Volumes." msgstr "" #: ../../storage.rst:471 msgid "Click the volume you want to migrate." msgstr "" #: ../../storage.rst:473 ../../storage.rst:489 msgid "" "Detach the disk from the VM. See `“Detaching and Moving Volumes” <#detaching-" "and-moving-volumes>`_ but skip the “reattach” step at the end. You will do " "that after migrating to new storage." msgstr "" #: ../../storage.rst:477 ../../storage.rst:493 msgid "" "Click the Migrate Volume button |Migrateinstance.png| and choose the " "destination from the dropdown list." msgstr "" #: ../../storage.rst:480 msgid "Watch for the volume status to change to Migrating, then back to Ready." msgstr "" #: ../../storage.rst:485 msgid "Migrating Storage and Attaching to a Different VM" msgstr "" #: ../../storage.rst:496 msgid "" "Watch for the volume status to change to Migrating, then back to Ready. You " "can find the volume by clicking Storage in the left navigation bar. Make " "sure that Volumes is displayed at the top of the window, in the Select View " "dropdown." msgstr "" #: ../../storage.rst:501 msgid "" "Attach the volume to any desired VM running in the same cluster as the new " "storage server. See `“Attaching a Volume” <#attaching-a-volume>`_" msgstr "" #: ../../storage.rst:507 msgid "Migrating a VM Root Volume to a New Storage Pool" msgstr "" #: ../../storage.rst:509 msgid "" "(XenServer, VMware) You can live migrate a VM's root disk from one storage " "pool to another, without stopping the VM first." msgstr "" #: ../../storage.rst:512 msgid "" "(KVM) When migrating the root disk volume, the VM must first be stopped, and " "users can not access the VM. After migration is complete, the VM can be " "restarted." msgstr "" #: ../../storage.rst:518 msgid "In the left navigation bar, click Instances, and click the VM name." msgstr "" #: ../../storage.rst:520 msgid "(KVM only) Stop the VM." msgstr "" #: ../../storage.rst:522 msgid "" "Click the Migrate button |Migrateinstance.png| and choose the destination " "from the dropdown list." msgstr "" #: ../../storage.rst:526 msgid "" "If the VM's storage has to be migrated along with the VM, this will be noted " "in the host list. CloudStack will take care of the storage migration for you." msgstr "" #: ../../storage.rst:530 msgid "" "Watch for the volume status to change to Migrating, then back to Running (or " "Stopped, in the case of KVM). This can take some time." msgstr "" #: ../../storage.rst:533 msgid "(KVM only) Restart the VM." msgstr "" #: ../../storage.rst:537 msgid "Resizing Volumes" msgstr "" #: ../../storage.rst:539 msgid "" "CloudStack provides the ability to resize data disks; CloudStack controls " "volume size by using disk offerings. This provides CloudStack administrators " "with the flexibility to choose how much space they want to make available to " "the end users. Volumes within the disk offerings with the same storage tag " "can be resized. For example, if you only want to offer 10, 50, and 100 GB " "offerings, the allowed resize should stay within those limits. That implies " "if you define a 10 GB, a 50 GB and a 100 GB disk offerings, a user can " "upgrade from 10 GB to 50 GB, or 50 GB to 100 GB. If you create a custom-" "sized disk offering, then you have the option to resize the volume by " "specifying a new, larger size." msgstr "" #: ../../storage.rst:550 msgid "" "Additionally, using the resizeVolume API, a data volume can be moved from a " "static disk offering to a custom disk offering with the size specified. This " "functionality allows those who might be billing by certain volume sizes or " "disk offerings to stick to that model, while providing the flexibility to " "migrate to whatever custom size necessary." msgstr "" #: ../../storage.rst:556 msgid "" "This feature is supported on KVM, XenServer, and VMware hosts. However, " "shrinking volumes is not supported on VMware hosts." msgstr "" #: ../../storage.rst:559 msgid "Before you try to resize a volume, consider the following:" msgstr "" #: ../../storage.rst:561 msgid "The VMs associated with the volume are stopped." msgstr "" #: ../../storage.rst:563 msgid "The data disks associated with the volume are removed." msgstr "" #: ../../storage.rst:565 msgid "" "When a volume is shrunk, the disk associated with it is simply truncated, " "and doing so would put its content at risk of data loss. Therefore, resize " "any partitions or file systems before you shrink a data disk so that all the " "data is moved off from that disk." msgstr "" #: ../../storage.rst:570 msgid "To resize a volume:" msgstr "" #: ../../storage.rst:578 msgid "" "Select the volume name in the Volumes list, then click the Resize Volume " "button |resize-volume-icon.png|" msgstr "" #: ../../storage.rst:581 msgid "" "In the Resize Volume pop-up, choose desired characteristics for the storage." msgstr "" #: ../../storage.rst:584 msgid "|resize-volume.png|" msgstr "" #: ../../storage.rst:586 msgid "If you select Custom Disk, specify a custom size." msgstr "" #: ../../storage.rst:588 msgid "Click Shrink OK to confirm that you are reducing the size of a volume." msgstr "" #: ../../storage.rst:591 msgid "" "This parameter protects against inadvertent shrinking of a disk, which might " "lead to the risk of data loss. You must sign off that you know what you are " "doing." msgstr "" #: ../../storage.rst:595 msgid "Click OK." msgstr "Cliquez sur OK." #: ../../storage.rst:599 msgid "Reset VM to New Root Disk on Reboot" msgstr "" #: ../../storage.rst:601 msgid "" "You can specify that you want to discard the root disk and create a new one " "whenever a given VM is rebooted. This is useful for secure environments that " "need a fresh start on every boot and for desktops that should not retain " "state. The IP address of the VM will not change due to this operation." msgstr "" #: ../../storage.rst:607 msgid "**To enable root disk reset on VM reboot:**" msgstr "" #: ../../storage.rst:609 msgid "" "When creating a new service offering, set the parameter isVolatile to True. " "VMs created from this service offering will have their disks reset upon " "reboot. See `“Creating a New Compute Offering” <service_offerings." "html#creating-a-new-compute-offering>`_." msgstr "" #: ../../storage.rst:616 msgid "Volume Deletion and Garbage Collection" msgstr "" #: ../../storage.rst:618 msgid "" "The deletion of a volume does not delete the snapshots that have been " "created from the volume" msgstr "" #: ../../storage.rst:621 msgid "" "When a VM is destroyed, data disk volumes that are attached to the VM are " "not deleted." msgstr "" #: ../../storage.rst:624 msgid "" "Volumes are permanently destroyed using a garbage collection process. The " "global configuration variables expunge.delay and expunge.interval determine " "when the physical deletion of volumes will occur." msgstr "" #: ../../storage.rst:628 msgid "" "`expunge.delay`: determines how old the volume must be before it is " "destroyed, in seconds" msgstr "" #: ../../storage.rst:631 msgid "" "`expunge.interval`: determines how often to run the garbage collection check" msgstr "" #: ../../storage.rst:634 msgid "" "Administrators should adjust these values depending on site policies around " "data retention." msgstr "" #: ../../storage.rst:639 msgid "Working with Volume Snapshots" msgstr "" #: ../../storage.rst:641 ../../storage.rst:686 msgid "" "(Supported for the following hypervisors: **XenServer**, **VMware vSphere**, " "and **KVM**)" msgstr "" #: ../../storage.rst:644 msgid "" "CloudStack supports snapshots of disk volumes. Snapshots are a point-in-time " "capture of virtual machine disks. Memory and CPU states are not captured. If " "you are using the Oracle VM hypervisor, you can not take snapshots, since " "OVM does not support them." msgstr "" #: ../../storage.rst:649 msgid "" "Snapshots may be taken for volumes, including both root and data disks " "(except when the Oracle VM hypervisor is used, which does not support " "snapshots). The administrator places a limit on the number of stored " "snapshots per user. Users can create new volumes from the snapshot for " "recovery of particular files and they can create templates from snapshots to " "boot from a restored disk." msgstr "" #: ../../storage.rst:656 msgid "" "Users can create snapshots manually or by setting up automatic recurring " "snapshot policies. Users can also create disk volumes from snapshots, which " "may be attached to a VM like any other disk volume. Snapshots of both root " "disks and data disks are supported. However, CloudStack does not currently " "support booting a VM from a recovered root disk. A disk recovered from " "snapshot of a root disk is treated as a regular data disk; the data on " "recovered disk can be accessed by attaching the disk to a VM." msgstr "" #: ../../storage.rst:665 msgid "" "A completed snapshot is copied from primary storage to secondary storage, " "where it is stored until deleted or purged by newer snapshot." msgstr "" #: ../../storage.rst:670 msgid "How to Snapshot a Volume" msgstr "" #: ../../storage.rst:672 msgid "Log in to the CloudStack UI as a user or administrator." msgstr "" #: ../../storage.rst:676 msgid "In Select View, be sure Volumes is selected." msgstr "" #: ../../storage.rst:678 msgid "Click the name of the volume you want to snapshot." msgstr "" #: ../../storage.rst:680 msgid "Click the Snapshot button. |SnapshotButton.png|" msgstr "" #: ../../storage.rst:684 msgid "Automatic Snapshot Creation and Retention" msgstr "" #: ../../storage.rst:689 msgid "" "Users can set up a recurring snapshot policy to automatically create " "multiple snapshots of a disk at regular intervals. Snapshots can be created " "on an hourly, daily, weekly, or monthly interval. One snapshot policy can be " "set up per disk volume. For example, a user can set up a daily snapshot at " "02:30." msgstr "" #: ../../storage.rst:695 msgid "" "With each snapshot schedule, users can also specify the number of scheduled " "snapshots to be retained. Older snapshots that exceed the retention limit " "are automatically deleted. This user-defined limit must be equal to or lower " "than the global limit set by the CloudStack administrator. See `“Globally " "Configured Limits” <usage.html#globally-configured-limits>`_. The limit " "applies only to those snapshots that are taken as part of an automatic " "recurring snapshot policy. Additional manual snapshots can be created and " "retained." msgstr "" #: ../../storage.rst:707 msgid "Incremental Snapshots and Backup" msgstr "" #: ../../storage.rst:709 msgid "" "Snapshots are created on primary storage where a disk resides. After a " "snapshot is created, it is immediately backed up to secondary storage and " "removed from primary storage for optimal utilization of space on primary " "storage." msgstr "" #: ../../storage.rst:714 msgid "" "CloudStack does incremental backups for some hypervisors. When incremental " "backups are supported, every N backup is a full backup." msgstr "" #: ../../storage.rst:722 msgid "Support incremental backup" msgstr "" #: ../../storage.rst:727 msgid "Volume Status" msgstr "" #: ../../storage.rst:729 msgid "" "When a snapshot operation is triggered by means of a recurring snapshot " "policy, a snapshot is skipped if a volume has remained inactive since its " "last snapshot was taken. A volume is considered to be inactive if it is " "either detached or attached to a VM that is not running. CloudStack ensures " "that at least one snapshot is taken since the volume last became inactive." msgstr "" #: ../../storage.rst:736 msgid "" "When a snapshot is taken manually, a snapshot is always created regardless " "of whether a volume has been active or not." msgstr "" #: ../../storage.rst:741 msgid "Snapshot Restore" msgstr "" #: ../../storage.rst:743 msgid "" "There are two paths to restoring snapshots. Users can create a volume from " "the snapshot. The volume can then be mounted to a VM and files recovered as " "needed. Alternatively, a template may be created from the snapshot of a root " "disk. The user can then boot a VM from this template to effect recovery of " "the root disk." msgstr "" #: ../../storage.rst:751 msgid "Snapshot Job Throttling" msgstr "" #: ../../storage.rst:753 msgid "" "When a snapshot of a virtual machine is requested, the snapshot job runs on " "the same host where the VM is running or, in the case of a stopped VM, the " "host where it ran last. If many snapshots are requested for VMs on a single " "host, this can lead to problems with too many snapshot jobs overwhelming the " "resources of the host." msgstr "" #: ../../storage.rst:759 msgid "" "To address this situation, the cloud's root administrator can throttle how " "many snapshot jobs are executed simultaneously on the hosts in the cloud by " "using the global configuration setting concurrent.snapshots.threshold." "perhost. By using this setting, the administrator can better ensure that " "snapshot jobs do not time out and hypervisor hosts do not experience " "performance issues due to hosts being overloaded with too many snapshot " "requests." msgstr "" #: ../../storage.rst:767 msgid "" "Set concurrent.snapshots.threshold.perhost to a value that represents a best " "guess about how many snapshot jobs the hypervisor hosts can execute at one " "time, given the current resources of the hosts and the number of VMs running " "on the hosts. If a given host has more snapshot requests, the additional " "requests are placed in a waiting queue. No new snapshot jobs will start " "until the number of currently executing snapshot jobs falls below the " "configured limit." msgstr "" #: ../../storage.rst:775 msgid "" "The admin can also set job.expire.minutes to place a maximum on how long a " "snapshot request will wait in the queue. If this limit is reached, the " "snapshot request fails and returns an error message." msgstr "" #: ../../storage.rst:781 msgid "VMware Volume Snapshot Performance" msgstr "" #: ../../storage.rst:783 msgid "" "When you take a snapshot of a data or root volume on VMware, CloudStack uses " "an efficient storage technique to improve performance." msgstr "" #: ../../storage.rst:786 msgid "" "A snapshot is not immediately exported from vCenter to a mounted NFS share " "and packaged into an OVA file format. This operation would consume time and " "resources. Instead, the original file formats (e.g., VMDK) provided by " "vCenter are retained. An OVA file will only be created as needed, on demand. " "To generate the OVA, CloudStack uses information in a properties file (\\*." "ova.meta) which it stored along with the original snapshot data." msgstr "" #: ../../storage.rst:795 msgid "" "For upgrading customers: This process applies only to newly created " "snapshots after upgrade to CloudStack 4.2. Snapshots that have already been " "taken and stored in OVA format will continue to exist in that format, and " "will continue to work as expected." msgstr ""