SpectrumConnect-Client

1.1.0.23

SpectrumConnect-Client.Sample.ps1

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#                                                                            #

# Licensed Materials - Property of IBM                                       #

#                                                                            #

# IBM Storage Automation Plugin for PowerShell                               #

#                                                                            #

# (C) COPYRIGHT International Business Machines Corp. 2013, 2018             #

# All Rights Reserved                                                        #

#                                                                            #

# US Government Users Restricted Rights: Use, duplication or                 #

# disclosure restricted by GSA ADP Schedule Contract with IBM Corp.          #

#                                                                            #

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<#

This sample script demostrates how to integrate the SpectrumConnect-Client module in your automation solution to provision volumes for Microsft/HyperV hosts. And the following cmdlets are used in this sample script:

* New-SCConnection

* Get-SCService

* Get-SCHostVolMapping

* Get-SCVolume

* New-SCVolume

* Resize-SCVolume

* Remove-SCVolume

For other cmdlets which are not covered in this sample, please refer to corresponding Help Text or Examples for more information.

#>

function Task([object] $information){

    Write-Host $information -ForegroundColor Green

}

function Info([Object] $info){

    Write-Host $info -ForegroundColor Yellow

}

function ASSERT_NOTNULL([Object] $obj){

    if($obj -eq $null){

        throw "NULL for the object($obj)"         

    }else{

        Write-Verbose "ASSERT: Object is not null"

    }

}

#Retrieve the FC WWPN or iSCSI initiator ports from Windows host server; Wrapper of Get-InitiatorPort and Get-WmiObject.

#Alternatively, you can just issue the Get-SCHost to retrived the initiators information.

function Get-HostInitiator{

    param(

        [Alias("ComputerName")]

        [String] $HostName,        

        [PSCredential] $Credential,

        [ValidateSet("FibreChannel","iSCSI","SAS")]    

        [String] $ConnectionType

    )

    $CmdletName="Get-HostInitiator"

    Write-Verbose ("$CmdletName.ENTER: HostName=$HostName, ConnectionType=$ConnectionType")

    $pcname=""

    if([String]::IsNullOrEmpty($HostName)){

        $pcname="localhost"

    }else{

        $pcname=$HostName

    }    

    try{

        $cmd=Get-Command -Name Get-InitiatorPort

        Write-Verbose("$CmdletName`: Get-InitiatorPort")

        if([String]::IsNullOrEmpty($ConnectionType)){

            return Get-InitiatorPort -CimSession $pcname|%{if($_.ConnectionType -eq "Fibre Channel"){$_.PortAddress.ToUpper()}else{$_.NodeAddress}}

        }else{

            return Get-InitiatorPort -ConnectionType $ConnectionType -CimSession $pcname|%{if($_.ConnectionType -eq "Fibre Channel"){$_.PortAddress.ToUpper()}else{$_.NodeAddress}}

        }

        Write-Verbose("$CmdletName.EXIT")

    }

    catch{

        Write-Verbose "$CmdletName`: Exception found with information $($_.Exception.Message)"

        Write-Verbose "$CmdletName`: Fail to find the Cmdlet Get-InitiatorPort. Please ensure Storage Cmdlets are installed. Also, please ensure Windows PowerShell Remoting is enabled"

        Write-Verbose "$CmdletName`: Try getting the initiator ports via WS-Management."

        try{

            if($credential -ne $null){

                $hbas = Get-WmiObject -Namespace root/Microsoft/Windows/Storage -Class MSFT_InitiatorPort -ComputerName $pcname -Credential $credential

            }else{

                $hbas = Get-WmiObject -Namespace root/Microsoft/Windows/Storage -Class MSFT_InitiatorPort -ComputerName $pcname

            }

            Write-Verbose("$CmdletName.EXIT")        

            if($hbas -ne $null){

                if([String]::IsNullOrEmpty($ConnectionType)){

                    return $hbas | %{if($_.ConnectionType -eq 1){$_.PortAddress.ToUpper()}else{$_.NodeAddress}}

                }else{

                    $conType="Other|FibreChannel|iSCSI|SAS".Split("|").IndexOf($ConnectionType)

                    return ($hbas|?{$_.ConnectionType -eq $conType})%{if($_.ConnectionType -eq 1){$_.PortAddress.ToUpper()}else{$_.NodeAddress}}

                }

            }else{

                return $null

            }

        }catch{

            throw $_.Exception

        }

    }

}

Task "[1] Import the PowerShell Client Module for IBM SpectrumConnect"

Info "You can get the module from PowerShell Gallery."

Info "To get the module from PowerShell Gallery, you can just issue ""Find-Module -Name SpectrumConnect-Client|Install-Module -Force"";"

Info "For this sample script, the module is just saved to local folder and is imported directly using Import-Module cmdlet."

Import-Module R:\SpectrumConnect-Client\SpectrumConnect-Client.psd1

$module=Get-Module -Name SpectrumConnect-Client 

if($module.Name -eq "SpectrumConnect-Client"){

    Info "The Module SpectrumConnect-Client has been imported."

    Info "Detailed information about SpectrumConnect-Client module:"

    $module|Format-List

}

Info "PREPARATION 1: Define storage pools for allocations, and ensure that all the required hosts are connected to the storage system."

$computerName="win2012r2x215"        # The Windows Host server with iSCSI(or FC) enabled.

$domainAdmin="Domain01\User01"        # Specifies a user account that has permission to perform this action on the windows host $computerName.                                 

$domainPassword="Passw0rd"

Info "PREPARATION 2: On the SC server, Add a PowerShell interface and create the following PowerShell interface user"

$scLocation="https://10.0.1.15:8440"    # The Uri of the SC server, in the format of https:\\IP:Port

$scUsername="powershell"                    # Credential for the PowerShell interface user.

$scPassword="passw0rd"

Info "PREPARATION 3: On the SC server, add a new storage space, add storage services, and attach services to the PowerShell interface created in PREPARATION 2."

$spaceName="DemoSpace"                        # Space name.

$serviceName="CompressionService"            # Service name. For this sample, this service can be used to create Compression volumes.

$LunPrefix="SCDemoVol"    # The Prefix for the created volumes

Task "[2] Connect to the SC Server and Create Volumes via SC Service"

##Note: New-SCConnection supports creating the connection using PowerShell Credential object, and you can also pass a PScredential object here

##        Or use the user name/password explicitly: New-SCConnection -ConnectionUri $scLocation -UserName $scUsername -Password $scPassword

$ssPsw=ConvertTo-SecureString -AsPlainText -Force $scPassword; 

$cred=New-Object pscredential $scUsername,$ssPsw; 

$sc=New-SCConnection -ConnectionUri $scLocation -Credential $cred

Info "Successfully Connect to the SC server($scLocation)!"

$sc|Format-Table -AutoSize

if([String]::IsNullOrEmpty($sc.Token)){

    Throw "Fail to build the connection to the SC server."

    return $False

}

Task "[2.1] Get the service instance via service name"

$service=Get-SCService -SCConnection $sc -ServiceName $serviceName

ASSERT_NOTNULL $service

Info "Service with name $serviceName found:"

$service|Format-Table name,id,total_capacity,space_name -AutoSize

Task "[2.2] Get the host initiators from Windows host"

$ssDomainPsw=ConvertTo-SecureString -AsPlainText -Force $domainPassword

$credential=New-Object PSCredential $domainAdmin,$ssDomainPsw

$iSCSIPort=(Get-HostInitiator -HostName $computerName -Credential $credential -ConnectionType iSCSI)

Task "[2.3] Add a volume via SC service, and register it to specified iSCSI initiator"

$volName= $LunPrefix + [System.DateTime]::Now.ToString("yyMMddHHmmss")

$vol=New-SCVolume -SCConnection $sc -Name $volName -Size 40  -SizeUnit GiB -ServiceID $service.ID -Initiators $iSCSIPort

if($vol -eq $null){

    Info "Fail to create new volume"

    return $False

}

Info "The following volume is created:"

$vol|Format-Table name,id,array_name,pool_name,service_name,ratio -AutoSize

$mapping=Get-SCHostVolMapping -SCConnection $sc -VolumeID $vol.id 

Info "And its mapping information is listed below:"

$mapping|Format-Table -AutoSize

Task "[3] Mount the volume on Windows host"

Update-HostStorageCache -CimSession $computerName

$disk=Get-Disk -CimSession $computerName -UniqueId $vol.id

ASSERT_NOTNULL $disk

Info "Disk found on Windows host $computerName with following information:"

$disk|Format-Table Number,ProvisioningType,OperationalStatus,AllocatedSize,UniqueId,PartitionStyle,IsOffline,IsReadOnly,PSComputerName -AutoSize

Task "[3.1] Bring the Disk Online if the disk is Offline"

if($disk.OperationalStatus -eq "Offline"){

    Info "The disk is offline by default and will bring the disk Online"

    Set-Disk -CimSession $computerName -UniqueId $disk.UniqueId -IsOffline $False

    $disk=Get-Disk -CimSession $computerName -UniqueId $disk.UniqueId    

    if($disk.OperationalStatus -eq "Online"){

        Info "Succeed to bring the disk Online"

        $disk|Format-Table Number,ProvisioningType,OperationalStatus,AllocatedSize,UniqueId,PartitionStyle,IsOffline,IsReadOnly,PSComputerName -AutoSize

    }else{

        Info "Fail to bring the disk online"

        return $false

    }

}

Task "[3.2] Initialize the disk"

if($disk.PartitionStyle -eq "RAW"){

    Info "The partition style of the disk is detected to be RAW, and will initialize this disk to MBR partition style"

    Initialize-Disk -CimSession $computerName -UniqueId $disk.UniqueId -PartitionStyle MBR -Confirm:$False

    $disk=Get-Disk -CimSession $computerName -UniqueId $disk.UniqueId    

    if($disk.PartitionStyle -ne "RAW"){

        Info "Succeed to initialize the disk to $($disk.PartitionStyle)"

        $disk|Format-Table Number,ProvisioningType,OperationalStatus,AllocatedSize,UniqueId,PartitionStyle,IsOffline,IsReadOnly,PSComputerName -AutoSize

    }

}else{

    Info "Ignored for the partition style of the disk is detected to be $($disk.PartitionStyle)"

}

Task "[3.3] Format the Disk and Mount with a DriveLetter"

$partition=New-Partition -DiskNumber $disk.Number -AssignDriveLetter -UseMaximumSize -CimSession $computerName

$partition|Format-Table PartitionNumber,Offset,Size,IsActive,DriveLetter,PSComputerName -AutoSize

Format-Volume -DriveLetter $partition.DriveLetter -FileSystem NTFS -NewFileSystemLabel "Compressed" -Force -Confirm:$False -CimSession $computerName

Get-Volume -DriveLetter $partition.DriveLetter -CimSession $computerName|Format-Table DriveLetter,DriveType,FileSystem,HealthStatus,Size,SizeRemaining,FileSystemLabel,PSComputerName -AutoSize

Task "[4] Resize the volume"

Info "Before Resizing the Volume via SC Service"

$vol|Format-Table name,id,array_name,pool_name,logical_capacity,ratio -AutoSize

Task "[4.1] Resize the volume to 80GiB"

$ret=Resize-SCVolume -SCConnection $sc -VolumeID $vol.id -NewSize 80 -SizeUnit GiB

if($ret){

    Info "Succeed to resize the disk, and the information of the volume is listed below:"

    $vol=Get-SCVolume -SCConnection $sc -VolumeID $vol.id

    $vol|Format-Table name,id,array_name,pool_name,logical_capacity,ratio -AutoSize

}

Info "[4.2] Update the Volume on Windows Host"

Update-Disk -CimSession $computerName -UniqueId $disk.UniqueId

$disk=Get-Disk -CimSession $computerName -UniqueId $disk.UniqueId    

Info "Disk information after updating"

$disk|Format-Table Number,ProvisioningType,OperationalStatus,AllocatedSize,UniqueId,PartitionStyle,IsOffline,IsReadOnly,PSComputerName -AutoSize

Task "[5] Remove the volume $($vol.name)"

Pause

$ret=Remove-SCVolume -SCConnection $sc -ID $vol.id -Force

if($ret){

    info "Succeed to remove the volume $($vol.name)!"

}else{

    info "Fail to remove the volume $($vol.name)!"

}

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# SIG # End signature block