Objectives: on reduntant UNC in Active Directory domain redundant volume redundant computer virtual enviroment data continuity Solution: two virtual machines two datastore two san two sites mirror data volume Schema:   “hardware” configuration: VMs settings: Add VMware RDM Lun Volumes to Vms, as images before Melio installation: prerequisites (from MelioFs 4 User Guide) Installation Checklist: * Using an account with [...]

Citrix Netscaler Datastream… first experience!  Citrix Datastream is a new Citrix technology to obtain advatanges about MySQL and MSSQL, it is used by the best (for me) Citrix appliance, Netscaler! Rif: http://www.citrix.com/English/NE/news/news.asp?newsID=2309691 Some docs are available at Citrix site: http://support.citrix.com/proddocs/topic/netscaler/ns-dbproxy-wrapper-con.html, but you can also see some info at CitrixTV, they are very interesting: http://www.citrix.com/tv/#search/netscaler Docs could be better, more complete [...]

Come far uscire dalla modalità manutenzione un host ESX 4.x ed accendervi poi una determinata VM… nel “fortunato” caso, come il mio, in cui il vostro pc di fiducia è Ubuntu, su cui notoriamente non esiste il client VMware da poter installare, ed avete appena messo in manutenzione per qualche motivo l’host ESX (l’unico, per via di potergli installare i [...]

If you set a proxy for your VMware VUM with an ISA Proxy it could not work because you obtain “error 502” (see logs kb1003693)… you can set a few thounsands times your names, password, domain and so on… but the problem is another! Not your account, but the relationship between the user who starts the VMware Update Manager service!

The task has failed for the following reason: VZMutex lock failed. (Failed to acquire vm lock /vmfs/volumes/UUID/ServerName/.vzmutex due to an SSH connection issue.).

NB , dalla documentazione di VMware. To allow a user to access the ESX host through a command shell, select Grant shell access to this user. NOTE To be granted shell access, users must also have an Administrator role for an inventory object on the host. enjoy.

To fix the problem: 1. First Load Windows ISO from Windows 7 or Server 2008 R2 and select “Repair from Command Prompt” 2. Open Diskpart and make problematic partition Active: list disk, select disk X, list partition, select partition Y, active, exit 3. Open bcdedit and you should get something like this:

I was unable to install SQL Server 2005 Management Studio Express on a Windows 2008 Server… I tried to re-download the package and many other tips… at the end I found this: http://community.visual-basic.it/alessandro/archive/2008/04/21/22626.aspx

oggi ho dovuto fare un test di restore di Virtual Machine salvate con VCB, di solito in ambiente vCenter è un’operazione banalissima… solo che dalla versione vSphere 4.1 la cosa non è più scontata! Ogni volta che provavo ad importare la VM da vConverter in vCenter ottenevo: unable to obtain hardware information Ed il motivo è spiegato qui: VMware KB1026944 [...]

New: VCB file-level mount of Windows Server 2008 using NBD transport mode fails with an Disk library failed (NBD_ERR_GENERIC) error