Images Flashcards

1
Q

Formatos de imagen

A

Aki Amazon kernel image
Ami Amazon machine image
Ari Amazon RAM disk image
Iso archive format for the data contents
Ploop container format by virtuozzo
Qconw2 qemu emulator expand dynamically and supports the copy-on-write
Raw unstructured disk image format
Vdi virtual box virtual machine monitor and qemu emulator
Vhd monitors from Vmware xen Microsoft virtual box and others
Vhdx enhanced version of vhd, larger disks data corruption protection
Vmdk common virtual machine monitors

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2
Q

Cual es el protocolo que ceph usa para comunicarse

A

rbd

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3
Q

Como se crea una imagen privada

A

openstack image create —min-disk 10 —min-ram 256 —file rhel.qcow2 —public rhel8-custom1

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4
Q

Como se crea una imagen pública

A

openstack image create —file rhel8.qcow2 —public rhel8-base

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5
Q

Como se coloca scope project a la imagen privada

A

openstack image create —file rhel8.qcow2 —project project rhel8-custom2

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6
Q

Como se modifica disco y memoria post creación de imagen

A

openstack image set —min-disk 10 —min-ram rhel8-base

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7
Q

Cuando ceph no se Use

A

Usar glance

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8
Q

Cual es la diferencia entre donde almacena ceph los archivos dependiendo de si lo usa o no

A

Ceph copia la imagen en caso de no usar ceph, si lo usa entonces solo hace referencia a la ruta de ceph donde se encuentra almacenada la imagen

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9
Q

Ejemplo de crear imagen

A

Openstack image create —min-disk 10 —min-ram 256 —file rhel8.pcow2 rhel-custom1

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10
Q

Como se crea una imagen. Pública

A

Openstack image create —min-disk image —file rhel.qcow2 —public rhel-base

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11
Q

Como se asigna a un proyecto la imagen

A

openstack image create —min-disk 10 —min-ram 512 —file rhel8.pcow2 —project project private rhel8-custom

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12
Q

Como se modifica un atributo de una imagen de opentack

A

openstack imagen set —min-disk 10 —min-ram 256 rhel8-base

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13
Q

Cuales son los tipos de disco preparados a nivel mobile

A

Root disk
Ephemeral disk
Swap disk

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14
Q

Parámetros de flavor que se puede asignar

A

hw:action - action that configures support limits
hw:NUMA_def - NUMA topology for instance
hw:watchdog_action - triggers an action if the instance somehow fails (or hangs)
hw_rng:action - adds random number generator device to an instance
quota:option - limit is forced on the instance
hw_max_sockets - number a of supported ticket
hw:cpu_max_socketcc

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15
Q

Parámetros de flavor para discos

A
disk-read-bytes_sec
disk_read_iops_seac a
disk_write_bytes_sec
dosk_writes_ipoñs
Disk du
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16
Q

Como se colocan modificaciones en extra a las imágenes para poner root password

A
#cloid-config 
chpasswd: 
    list: |
         root: redhat
         cloud-user: super_secret_password
    expire: false
17
Q

Como se elimina una imagen

A

openstack image delete NAME