VESK     James Mackie (MD)How to Launch a Successful  VDI Hosted Service using    OpenStorage and Citrix              XenD...
Quick idea on the VDI market  Quick idea of the VDI market      Theres a lot of facts and figures on virtualisation, peopl...
VDIFirstly I just wanted to elaborate on the title, "how to launch a successful VDI hosted service“Theres now many differe...
Case study  VESK case study: Brixton council     550 users     185 applications     Security & compliance     Green Govern...
Recent Storage implementation         Head nodes         HA / failover         RAIDz2 JBOD’s         SSD’s         - Mirro...
Problems encountered   Upgrade to Nexenta 3.1     How many of you guys have upgraded to 3.1 ?     Excellent new feature...
OSS Presentation Vesk
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OSS Presentation Vesk

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OSS Presentation Vesk

  1. 1. VESK James Mackie (MD)How to Launch a Successful VDI Hosted Service using OpenStorage and Citrix XenDesktop
  2. 2. Quick idea on the VDI market Quick idea of the VDI market Theres a lot of facts and figures on virtualisation, people tend to confuse these figures around server, desktop and application virtualisation. So here are some real figures on VDI The leading 5 desktop outsourcing companies in Europe are: HP Atos IBM CSC Fujitsu Leading 5 manage 13 million desktops Of which now 1.4m are virtual desktops So its safe for us to say around 10 of desktops are virtual
  3. 3. VDIFirstly I just wanted to elaborate on the title, "how to launch a successful VDI hosted service“Theres now many different types of VDI. But its important to differentiate and recognisebetween them as there seems to be a lot of confusion. Internal VDI deployments (Private Cloud) Usually consists of a cloud specialist consulting a large corporate Popular with large organisations who can afford the CapEx and have the in-house technical knowledge HVD, hosted virtual desktops (Public Cloud) TOTAL cloud, consumes all applications and data DAAS cloud connect (Hybrid Cloud) Non persistent Cyber security Interconnect required VESK (Virtual Private Cloud) Giving users their own control of their VDI
  4. 4. Case study VESK case study: Brixton council 550 users 185 applications Security & compliance Green Government CSR’s The problem we had IOPS. Microsoft say virtual desktops require 5-25 IOPS, we have seen desktops take 100 IOPS
  5. 5. Recent Storage implementation Head nodes HA / failover RAIDz2 JBOD’s SSD’s - Mirrored ZIL’s - L2ARC 72 x 2TB drives Over 140TB raw 1gbps switch 10gbps connect 6 gbps SAS cables 14U Low power5
  6. 6. Problems encountered Upgrade to Nexenta 3.1  How many of you guys have upgraded to 3.1 ?  Excellent new features, for us its all about autosync pausing  Now we dont have to resync 100s of TB of data over our interconnect Issues  zpool needed upgrading  some disk groups didnt copy across successfully  Disk names became missing and state DEGRADED  Pause on hourly sync, just a 3 second glitch Future expansion  We just add a new SAN  May mirror in future instead of RAIDz2  Why not dedup ? 2GB of RAM per TB of storage required

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