Category: Tech

Posted on

Enabling SNMP on a Dell MXL blade switch (running FTOS)

It’s very easy to enable SNMP 1.0 / 2.0 management of the Dell MXL blade network switches. All it takes is one command really (“snmp-server community public ro”).

SSH to the network switch (MXL):
jonas@nyx:~$ ssh root@10.1.1.100
root@10.1.1.100’s password:

Verify that there is no current SNMP configuration present:
TOKSCA4A2-MXL#show running-config snmp

Enter config mode and enable your community name – in this case “public” and specify if it’s Read-Only or Read-Write. In this case we use read only (ro):
TOKSCA4A2-MXL#conf
TOKSCA4A2-MXL(conf)#snmp-server community public ro
TOKSCA4A2-MXL(conf)#end

Verify that it worked:
TOKSCA4A2-MXL#show running-config snmp
!
snmp-server community public ro
TOKSCA4A2-MXL#

All done! Add the switch to your SNMP manager (OME for example).

 

Posted on

Enabling VNC on iDRAC7 with RACADM

Example of enabling the VNC server on an iDRAC and setting the password:
racadm -r 10.1.1.200 -u root -p calvin set idrac.vncserver.enable Enabled
racadm -r 10.1.1.200 -u root -p calvin set idrac.vncserver.Password calvin

Note: Default port for VNC on the iDRAC is 5901

Connection example can be found here.

Posted on

Win2012 R2 Core iSCSI configuration with PowerShell

Start relevant services and set to auto start:
——————————————————————-
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents> Set-Service –Name MSiSCSI –StartupType Automatic
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents> Start-Service MSiSCSI
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents> Get-Service –Name MSiSCSI

Status Name DisplayName
—— —- ———–
Running MSiSCSI Microsoft iSCSI Initiator Service

Register the iSCSI array IP address:
——————————————————————-
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents> New-IscsiTargetPortal –TargetPortalAddress 192.168.105.28
InitiatorInstanceName :
InitiatorPortalAddress :
IsDataDigest : False
IsHeaderDigest : False
TargetPortalAddress : 192.168.105.28
TargetPortalPortNumber : 3260
PSComputerName :
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents>

Verify connectivity:
————————————————————————————–
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents> Get-IscsiTarget

IsConnected NodeAddress PSComputerName
———– ———– ————–
False iqn.2001-05.com.equallogic:4-52aed6-…
False iqn.2001-05.com.equallogic:4-52aed6-…

Check the iscsi target names in the EQL gui and use to connect:
——————————————————————-
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents> Connect-IscsiTarget –NodeAddress iqn.2001-05.com.equallogic:4-52aed6-6e50a7eb3-43e0000002c53994-hyper-v-01

AuthenticationType      : NONE
InitiatorInstanceName   : ROOT\ISCSIPRT\0000_0
InitiatorNodeAddress    : iqn.1991-05.com.microsoft:a4c1a4b.dsc.local
InitiatorPortalAddress  : 0.0.0.0
InitiatorSideIdentifier : 400001370000
IsConnected             : True
IsDataDigest            : False
IsDiscovered            : True
IsHeaderDigest          : False
IsPersistent            : False
NumberOfConnections     : 1
SessionIdentifier       : ffffe00011e2b020-4000013700000003
TargetNodeAddress       : iqn.2001-05.com.equallogic:4-52aed6-6e50a7eb3-43e0000002c53994-hyper-v-01
TargetSideIdentifier    : 5500
PSComputerName          :

[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents> Connect-IscsiTarget –NodeAddress iqn.2001-05.com.equallogic:4-52aed6-58e0a7eb3-ec20000003453aa7-hyper-v-02

AuthenticationType      : NONE
InitiatorInstanceName   : ROOT\ISCSIPRT\0000_0
InitiatorNodeAddress    : iqn.1991-05.com.microsoft:a4c1a4b.dsc.local
InitiatorPortalAddress  : 0.0.0.0
InitiatorSideIdentifier : 400001370000
IsConnected             : True
IsDataDigest            : False
IsDiscovered            : True
IsHeaderDigest          : False
IsPersistent            : False
NumberOfConnections     : 1
SessionIdentifier       : ffffe00011e2b020-4000013700000004
TargetNodeAddress       : iqn.2001-05.com.equallogic:4-52aed6-58e0a7eb3-ec20000003453aa7-hyper-v-02
TargetSideIdentifier    : 5600
PSComputerName          :

Verify connections:
————————————————————
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents> Get-IscsiConnection
ConnectionIdentifier : ffffe00011e2b020-2
InitiatorAddress : 0.0.0.0
InitiatorPortNumber : 31188
TargetAddress : 192.168.105.28
TargetPortNumber : 3260
PSComputerName :

ConnectionIdentifier : ffffe00011e2b020-4
InitiatorAddress : 0.0.0.0
InitiatorPortNumber : 31700
TargetAddress : 192.168.105.28
TargetPortNumber : 3260
PSComputerName :

[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents>

 

Register the session so it persists across reboots:
————————————————————
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents> Get-IscsiSession

AuthenticationType : NONE
InitiatorInstanceName : ROOT\ISCSIPRT\0000_0
InitiatorNodeAddress : iqn.1991-05.com.microsoft:a4c1a4b.dsc.local
InitiatorPortalAddress : 0.0.0.0
InitiatorSideIdentifier : 400001370000
IsConnected : True
IsDataDigest : False
IsDiscovered : True
IsHeaderDigest : False
IsPersistent : True
NumberOfConnections : 1
SessionIdentifier : ffffe00011e2b020-4000013700000003
TargetNodeAddress : iqn.2001-05.com.equallogic:4-52aed6-6e50a7eb3-43e0000002c53994-hyper-v-01
TargetSideIdentifier : 5500
PSComputerName :

AuthenticationType : NONE
InitiatorInstanceName : ROOT\ISCSIPRT\0000_0
InitiatorNodeAddress : iqn.1991-05.com.microsoft:a4c1a4b.dsc.local
InitiatorPortalAddress : 0.0.0.0
InitiatorSideIdentifier : 400001370000
IsConnected : True
IsDataDigest : False
IsDiscovered : True
IsHeaderDigest : False
IsPersistent : False
NumberOfConnections : 1
SessionIdentifier : ffffe00011e2b020-4000013700000004
TargetNodeAddress : iqn.2001-05.com.equallogic:4-52aed6-58e0a7eb3-ec20000003453aa7-hyper-v-02
TargetSideIdentifier : 5600
PSComputerName :

[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents> Register-IscsiSession -SessionIdentifier ffffe00011e2b020-4000013700000003
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents> Register-IscsiSession -SessionIdentifier ffffe00011e2b020-4000013700000004
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents>
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents>
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents>
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents>
[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents> Get-Disk | Where-Object BusType –eq “iSCSI”

Number Friendly Name                            OperationalStatus                    Total Size Partition Style
—— ————-                            —————–                    ———- —————
3      EQLOGIC 100E-00 SCSI Disk Device         Offline                                  400 GB GPT
4      EQLOGIC 100E-00 SCSI Disk Device         Offline                               200.01 GB GPT

[A4C1A4b.dsc.local]: PS C:\Users\administrator.DSC\Documents>

Posted on

Reset XenDesktop VM name count

NOTE: For this to work the commands need to be executed via the PowerShell console in Citrix Studio. The normal PowerShell interface won’t work.