Tag Archives: Azure Storage

Step-by-Step guide to manage Azure Storage using Azure CLI 2.0 – Part 02

This is last part of my blog post series which is covering Azure CLI 2.0 functions. If you didn’t read part 01 yet please read it before start on this. You can find it on http://www.rebeladmin.com/2017/10/step-step-guide-manage-azure-storage-using-azure-cli-2-0-part-01/ 

In my demo setup, I have two VM running. One is created using Azure Managed disks. In part 01 I explained how to add additional disk. It is currently having a 100GB additional disk attached. 

Expand Disks

Let’s see how we can expand disks using Azure CLI. Before do this, make sure you log in to Azure CLI using az login

let’s start with expanding azure managed disks. First, we can verify the VM’s storage configuration using, 

az vm show --resource-group rebeladminrg01 --name REBLEVM101

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In there I have two disks. One is for OS called osdisk_6469626e28 and the other data disk called DataDisk01

We can’t increase the disk on a running VM. Not even a data disk. So first we need to deallocate the VM. We can do it using. 

az vm deallocate --resource-group rebeladminrg01 --name REBLEVM101

in above command –resource-group defines resource group VM belongs to. –name defines the VM name. 

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once it is completed we can increase the disk sizes. 

I need to expand os Disk size to 150 GB. I can do it using,

az disk update --resource-group rebeladminrg01 --name osdisk_6469626e28 --size-gb 150

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I also like to expand data disk to 150 GB. I can do it using,

az disk update --resource-group rebeladminrg01 --name DataDisk01 --size-gb 150

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in above commands, –resource-group defines resource group disks belongs to. –name defines the disk’s name. 

after finish, we can start the VM using,

az vm start --resource-group rebeladminrg01 --name REBLEVM101

once VM is up we can go in and expand the disk in OS level. 

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if you looking to expand disk for unmanaged disks it can be done via interface or Azure CLI 1.0. more info can find in https://docs.microsoft.com/en-us/azure/virtual-machines/linux/expand-disks-nodejs

the document itself for Linux vm but expand part work same way. 

Snapshots

We also can take snapshots of disk as quick recovery option. It is full copy of a disk in the time it’s taken. It can keep as a backup or attach to another machine for troubleshooting. 

In my demo, I am going to take snapshot of an azure managed OS disk. Before do that I need to find the disk ID. It can be done using

az vm show --resource-group rebeladminrg01 --name REBLEVM101

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then we can take snapshot using,

az snapshot create -g rebeladminrg01 --source "/subscriptions/xxxxx/resourceGroups/REBELADMINRG01/providers/Microsoft.Compute/disks/osdisk_6469626e28" --name vm101osDisk-backup

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in above –source defines the disk id and –name defines the snapshot name.

if it is a unmanaged disk, snapshot works on different way. You can read more about it from https://docs.microsoft.com/en-us/azure/virtual-machines/linux/incremental-snapshots 

Convert to Managed Disks

if required we can convert vm with unmanaged disks to managed disk. To do that first we need to deallocate the VM.

az vm deallocate --resource-group rebeladminrg01 --name REBELVM102

then we can start the converting process using,

az vm convert --resource-group rebeladminrg01 --name REBELVM102

once process is finished it will start the VM. 

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Manage blobs

We also can create, manage and delete blobs using Azure CLI. 

To create a container we can simply use,

az storage container create --name datastorage01 --connection-string "DefaultEndpointsProtocol=https;EndpointSuffix=core.windows.net;AccountName=rebelstorage01;AccountKey=xxxxxxx/ixi+FKRr3YUS9CgEhCciGVIyI9+6CtqjTIiPvbXkmpFDK9sINE28jdbIwLLOUZyiAtQ3Edzx2y89RPQ=="

in above –name defines the container name. AccountName specify the storage account name and AccountKey specify the auth key for the storage account. 

By default, the container data is set to private. If need it can set to public read access for blobs (blob) or public read and list access to whole container (container). It can define using –public-access

Once container is created we can upload blob using,

az storage blob upload --file C:\myzip1.zip --container-name datastorage01 --name myzip1.zip --connection-string "DefaultEndpointsProtocol=https;EndpointSuffix=core.windows.net;AccountName=rebelstorage01;AccountKey=xxxxxx/ixi+FKRr3YUS9CgEhCciGVIyI9+6CtqjTIiPvbXkmpFDK9sINE28jdbIwLLOUZyiAtQ3Edzx2y89RPQ=="

in above, –file defines the local file path. –container-name defines the container name it is uploading to. –name defines the blob name once it is uploaded. 

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to verify, we can list down the files in blob using,

az storage blob list --container-name datastorage01 --output table --connection-string "DefaultEndpointsProtocol=https;EndpointSuffix=core.windows.net;AccountName=rebelstorage01;AccountKey=xxxxxx/ixi+FKRr3YUS9CgEhCciGVIyI9+6CtqjTIiPvbXkmpFDK9sINE28jdbIwLLOUZyiAtQ3Edzx2y89RPQ=="

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we can download blob to local storage using,

az storage blob download --container-name datastorage01 --name myzip1.zip --file C:\myzip2.zip --connection-string "DefaultEndpointsProtocol=https;EndpointSuffix=core.windows.net;AccountName=rebelstorage01;AccountKey=xxxx/ixi+FKRr3YUS9CgEhCciGVIyI9+6CtqjTIiPvbXkmpFDK9sINE28jdbIwLLOUZyiAtQ3Edzx2y89RPQ=="

in above, –file defines the path and name it will have when downloaded to the local storage.

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we can delete a blob using command similar to,

az storage blob delete --container-name datastorage01 --name myzip1.zip --connection-string "DefaultEndpointsProtocol=https;EndpointSuffix=core.windows.net;AccountName=rebelstorage01;AccountKey=1WzgTd/ixi+FKRr3YUS9CgEhCciGVIyI9+6CtqjTIiPvbXkmpFDK9sINE28jdbIwLLOUZyiAtQ3Edzx2y89RPQ=="

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This marks the end of the blog post and hope it was useful. If you have any questions feel free to contact me on rebeladm@live.com also follow me on twitter @rebeladm to get updates about new blog posts.

Step-by-Step guide to manage Azure Storage using Azure CLI 2.0 – Part 01

This is another part of my blog post series which was covering Azure CLI 2.0 functions. If you not read those yet you can find it with following links.

Step-by-step guide to start with azure cli 2.0http://www.rebeladmin.com/2017/08/step-step-guide-start-azure-cli-2-0/

Step-by-step guide to create azure vm using azure cli 2.0http://www.rebeladmin.com/2017/08/step-step-guide-create-azure-vm-using-azure-cli-2-0/

In part 01 of this blog post, we are going to look in to managing disks using Azure CLI. 

First thing first, I am going to log in to Azure CLI with a privileged account. This can be done using az login

I have a windows VM setup under my subscription. I can view its details using az vm show --resource-group rebeladminrg01 --name REBLEVM101

In above --resource-group defines the resource group name and –name defines the VM name. 

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In this VM, I have a disk with size of 128 GB. It is azure managed disk. 

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I like to add couple of disks in to this VM. Adding “Azure Managed” disk is the simplest way. It simplifies the disk management process. The only thing you need to worry is disk type and size. 

az vm disk attach -g rebeladminrg01 --vm-name REBLEVM101 --disk DataDisk01 --new --size-gb 100

above creates a managed disk called DataDisk01 under rebeladminrg01 resource group. it is 100 GB in size. It also attached to REBLEVM101 VM.

We can verify it by running,

az disk show --name DataDisk01 --resource-group rebeladminrg01

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if need we can also use “unmanaged” disks. First, I am going to create a new storage account for it. 

az storage account create --location westus --name rebelstorage01 --resource-group rebeladminrg01 --sku Standard_LRS

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above creates a storage account called rebelstorage01 under westus region. Its created under rebeladminrg01 resource group. its Standard_LRS storage. 

Before configure the storage, first we need to set environment variables so the it can be use with commands. 

To do that need to type

az storage account show-connection-string --name rebelstorage01 --resource-group rebeladminrg01

then copy the connection string value and use it with

az storage container create --name data --connection-string "DefaultEndpointsProtocol=https;EndpointSuffix=core.windows.net;AccountName=rebelstorage01;AccountKey=oJOjFskwKlDBisEiGREBEsMRWnDbOA+q6stySqXKT1MsBiPZeJPThnfnkGgG9AgudKmJ/5CCl65cGcMIAZGQhg=="

above will create a container called data under the storage account. 

Let’s go ahead and add a new unmanaged disk to a VM. 

Note – You cannot add unmanaged disk to a VM created with managed disk. 

az vm unmanaged-disk attach -g rebeladminrg01 --vm-name REBELVM3 --new -n DataDisk6 --vhd-uri https://rebelstorage01.blob.core.windows.net/data/2.vhd --size-gb 100

in above rebeladminrg01 is the resource group where azure VM located. REBELVM3 is the VM name. I am creating a new disk called DataDisk6 on data/2.vhd path. Its size is 100 GB. 

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In order to detach disk from VM we can use following commands. 

If its unmanaged disk we can use,

az vm unmanaged-disk detach --name DataDisk6 --resource-group rebeladminrg01 --vm-name REBELVM3

above command will detach unmanaged disk called DataDisk6 from REBELVM3 VM.

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If its managed disk we can use,

az vm disk detach -g rebeladminrg01 --vm-name REBLEVM101 -n DataDisk02

above will remove data disk called DataDisk02 from REBLEVM101 VM.

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This is the end of the part 01 of this post. Hope this was useful and if you have any questions feel free to contact me on rebeladm@live.com also follow me on twitter @rebeladm to get updates about new blog posts.