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75 lignes
4,1 Kio
Markdown
75 lignes
4,1 Kio
Markdown
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---
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title: Flavors
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description:
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published: true
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date: 2021-06-14T07:08:17.028Z
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tags:
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editor: markdown
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dateCreated: 2021-05-24T10:33:54.158Z
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---
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# Les flavors
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## Lister les flavors
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Les flavors vous permettent de choisir la taille de votre machine virtuelle. La sélection disponible peut être affichée en utilisant : `openstack flavor list`
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```plaintext
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openstack flavor list
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+--------------------------------------+---------------------------+------+------+-----------+-------+-----------+
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| ID | Name | RAM | Disk | Ephemeral | VCPUs | Is Public |
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+--------------------------------------+---------------------------+------+------+-----------+-------+-----------+
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| 23c60b2b-6a1a-4870-ba41-ab1d6ce0c516 | cpu1-ram2-disk10 | 2048 | 10 | 0 | 1 | True |
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| 2655c1e3-a43a-4dea-a957-650517e8fa72 | cpu2-ram6-disk20_iops | 6144 | 20 | 0 | 2 | True |
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| 450314a4-3575-45d5-88c2-41ca78201ebe | cpu2-ram6-disk60 | 6144 | 60 | 0 | 2 | True |
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| e5874e74-181c-4534-94db-ba035ded5dce | cpu2-ram6-disk20 | 6144 | 20 | 0 | 2 | True |
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| ef91c4c8-c28f-44b0-b7a0-3115652b52d1 | cpu2-ram6-disk40 | 6144 | 40 | 0 | 2 | True |
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| f2c62dc0-4b83-4208-868a-fbc4dbc2ff3a | cpu1-ram2-disk20 | 2048 | 20 | 0 | 1 | True |
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+--------------------------------------+---------------------------+------+------+-----------+-------+-----------+
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```
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Ils se déclinent en plusieurs versions offrant différents niveaux de performances. Le suffixe `_iops` derrière une saveur signifie une limite d'iops plus élevée.
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| | |
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| --- | --- |
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| **Flavor** | **Performances maximales** |
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| cpu2-ram6-disk20 | iops: 1k en lecture et écriture - net: 200MB/s |
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| cpu2-ram6-disk20\_iops | iops: 8k en lecture et écriture - net: 200MB/s |
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| cpu2-ram6-disk20\_perf | iops: 8k en lecture et écriture - net: 500MB/s |
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Vous pouvez voir toutes les propriétés des flavors en utilisant la commande : `openstack flavor list --long`
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```plaintext
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openstack flavor list --long
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+--------------------------------------+---------------------------+------+------+-----------+-------+-----------+------+-------------+--------------------------------------------------------------------+
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| ID | Name | RAM | Disk | Ephemeral | VCPUs | Is Public | Swap | RXTX Factor | Properties |
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+--------------------------------------+---------------------------+------+------+-----------+-------+-----------+------+-------------+--------------------------------------------------------------------+
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[...]
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| e5874e74-181c-4534-94db-ba035ded5dce | cpu2-ram6-disk20_standard | 6144 | 20 | 0 | 2 | True | | 1.0 | disk_total_iops_sec='1000', quota:disk_write_bytes_sec='209715200' |
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| 450314a4-3575-45d5-88c2-41ca78201ebe | cpu2-ram6-disk20_iops | 6144 | 20 | 0 | 2 | True | | 1.0 | disk_total_iops_sec='8000', quota:disk_write_bytes_sec='209715200' |
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| f2c62dc0-4b83-4208-868a-fbc4dbc2ff3a | cpu2-ram6-disk20_perf | 6144 | 20 | 0 | 2 | True | | 1.0 | disk_total_iops_sec='8000', quota:disk_write_bytes_sec='524288000' |
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[...]
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+--------------------------------------+---------------------------+------+------+-----------+-------+-----------+------+-------------+--------------------------------------------------------------------+
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```
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## Créer un flavor
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Pour créer un flavor il faut utiliser la commande `openstack flavor create` avec les arguments suivants :
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```plaintext
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openstack flavor create FLAVOR_NAME --id FLAVOR_ID --ram RAM_IN_MB --disk ROOT_DISK_IN_GB --vcpus NUMBER_OF_VCPUS
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```
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Par exemple pour créer un flavor pour une petite machine virtuelle :
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```plaintext
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openstack flavor create cpu1-ram2-disk10 --id auto --ram 2048 --disk 10 --vcpus 1
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```
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## Supprimer un flavor
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Pour cela il suffit d'utiliser la commande `openstack flavor delete <FLAVOR_ID>`
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```plaintext
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openstack flavor delete 23c60b2b-6a1a-4870-ba41-ab1d6ce0c516
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```
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