ESXi 3.5 U4 - size Max LUN and problems on HP MSA70 SAS storage

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  OK, I have attached an iSCSI LUN that has a couple of VM on it from a previous generation test. Now, I want to import those virtual machines to my ESXi 4.0 host. Can someone give me step by step on this operation method?

  You'll just want to browse the data store, right-click on the VMX files and select Add to the inventory.   After you have added, you will want to check the network label to ensure that it exists on the new server.  If one of the virtual machines have been using VMdirectpath, generic SCSI devices, etc. you'll want to update those as well.

  Dave

  VMware communities user moderator

  New book in town - Start Guide quick vSphere -http://www.yellow-bricks.com/2009/08/12/new-book-in-town-vsphere-quick-start-guide/.

  You have a system or a PCI with VMDirectPath?  Submit your specifications to the unofficial VMDirectPath HCL - http://www.vm-help.com/forum/viewforum.php?f=21.

• Size Max VMDK in ESXi 4.1

  VMDK in ESXi 4.1 maximum size cannot be larger than 2 to 512 Byets? Choose the block size of 128 MB?  Thank you.

  Max is 2 TB minus 512bytes

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  Hello

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  Tony

  Hi Tony,.

  You should find the answers in the various maxima of Configuration documents:

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  Concerning

  Franck

• SRM protected LUN and RecoverPoint replicated Lun

  We run VMware SRM 5.0 and RecoverPoint 3.4 SP2.  Running 5.0 ESXi and vCenter 5.0. The problem that we get and the VMware SRM and EMC RP support response are conflicting with each other.  Our SRM failover process failed because the DR replicated LUNs was not detected during the scan HBA.  VMware support said that the replicated LUN doesn't have to be added to the storage of VMware on our VNX5300 (DR) group.  Logic unit number is added to the storage PR group.  SRM/RP will present the LUN in VMware as part of the SRM failover process.  EMC, tells us that the replica LUN must be present in VMware and storage of RP group.

  The failover process does not end until we added the LUNs replicated in the VMware storage group.  However, we have tested previously other SRM protected LUNS and this has never been necessary.  Can anyone provide specific details on RecoverPoint requirement to add the LUNS replicated in the VMware storage group?

  Thank you

  EMC is correct!  The target of replication LUNS must be in a group of storage with your hosts ESXi on the VNX for a test to run successfully.  I'll usually create a storage for a VMware cluster group, add LUN replication target and leave them there.  Of course, the Group of storage for all data, journal and repository LUN RecoverPoint must also exist with all the Rwandan Patriotic Army.

• resize the disk/diskgroup LUN and asm

  Happy new year to all.
  
  I have a little problem of resizing an ASM diskgroup and maybe someone here can help me.
  
  I had a lun with size 50G and added on a disk called LUN1D1 asm.
  Then I created a DISKGROUP called data1 Witch (external) contain some LUN1D1.
  Data1 is then conducted asm volume. So I have a volume of asm with size 50G and I need 100 g.
  
  Now, I have increased the size of the lun with 50 G (100G in total). I rescaned the LUN and os see the new size.
  
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• 2 TB LUN and Clarification of the scope

  I have a need to assign several VM in my environment of clients with 2 TB vmdk files, but I also want to be able to take snapshots of these servers.

  Because of this I would expect the community could clarrify a few points for me by correcting one of my points/assumptions;

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  (2) VMDK can include up to 2 TB in size.

  (3) develop a VMFS datastore and LUN requires that he space / free vacuum at the end of the disc.

  (4) creation of a store of data VMFS higher then 2 TB requires the creation and presentation for ESX (i) multiple LUNS and then link them together using extensions.

  (5) to extend a LUN/VMFS beyond 2048 GB is bad news and can cause data corruption.

  So in my situation it seems to me that I need to create a 2 TB LUN and a second unit logic to say 300 GB number, then link them together using a measure to create a store of VMFS data that spans the two LUNS and has a total of 2.3 TB of space. So I can create my 2 TB VMDK and still be able to take pictures.

  Is there one way other or better to get my result?

  Are there concerns with the help of extensions, it's what trade off?

  Any other comments would be welcome.

  See you soon,.

  Paul

  What is your process to separate the configuration of virtual disk file in the files of virtual disk storage?

  Nothing special. When you create her select VM first data store. Then, when you create the virtual disk in the wizard, just select the second data store

  What the penalty or drawback to the use of extensions?

  They're just not necessary anymore. Extents should be used prior to ESX (i) 4.0 to resize a data store. With ESX(I) 4.0, it is now possible to resize/grow the store of data on the fly after resizing the underlying LUN without needing extensions. With extents, you lose that option. Basically, a data store extended is as a RAID 0 array.

  You can also read http://www.yellow-bricks.com/2009/03/26/resizing-your-vmfs-the-right-way-exploring-the-next-version-of-esxvcenter/

  André

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  Note that I have read the documentation. However, it is not clearly explained.

  
  

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• Hard to keep the shape size between Illustrator and Photoshop

  I do a lot of my work to vector in Photoshop form, because it has the basic tools I need. Recently, however I wanted to learn and use some more advanced in illustrator forms tools. The problem that I've run is that when I try and move forms between the 2 programs their pixel sizes are not kept at all, not even close.

  I have attached a screenshot showing the same form in both Photoshop (left) and when stuck in Illustrator (right). Note the zoom levels are the same and therefore the pixel grids are the same size.

  

  I need to use the pixel preview mode in illustrator often, so I can't just simply turn off and ignore the difference. This happens when either I paste the shape in illustrator or if I import or drag the shape to a library of creative clouds where I kept the shape.

  Here's the thing, if I'm working on the form at this tiny size in illustrator and then paste it into photoshop, it returns to the correct size. However, if in Illustrator, I choose to use the pixel grid and draw a shape to the appropriate size, when I pick her up photoshop it becomes huge.

  I searched on through all the preferences of the two applications, ensuring that the measures are all set to pixels everywhere, as the value of the 72 DPI sicesdonneessontdisponibles. I even went to the length of completely uninstall Illustrator, blowing all my settings, re-installing and setting up again. Nothing has changed.

  One of my colleagues has this problem at all. A box of 10px in an application becomes a zone of 10px in the other, but we can not simply to understand why it does not work the same way for me.

  Help, please!

  Set the resolution of your Photoshop image on 72 dpi.

• What is zoing LUNs and lun masking

  can someone explain ziinsog lun and masking how it's work and about multipathing.

  Zoning - if you want to specify that some hosts to access a device of storage, then you would want to the zoning of the installation.

  This configuration is done on the Fibre Channel switch.  iSCSI and NFS FCoE can also be segmented, but they would use typical methods of segmentation TCPIP as the implementation of a VIRTUAL LAN.

  There are two types of techniques of zoning: zoning Hard and Soft zoning.

  Soft zoning filter one device to another device.  However, if the ports are manually setup, the switch will not stop communication devices.  By comparison, hard zoning prevents a port to send the traffic to the other port and is safer.

  Zoning can also be setup based on the port or the name WWN (World Wide).    Port zoning grants access to a port on a switch to a different port on a switch.  This would require physical security be installed around the Fiber Switch, because the areas could be changed around simply by moving the cable in the switch.  This also makes more of a struggle for management if the switches should be moved or re-cable.  WWN zoning is configured to allow access between two WWN that makes management a little easier, but is also sensitive to the WWN spoofing that could allow access to the storage device.

  Masking-

  Masking of LUN is a process that makes a LUN available to some hosts and unavailable to other hosts.

  LUN masking is implemented mainly at the level of the host bus adapter (HBA). Security benefits of LUN masking implemented at HBA are limited, because with multiple host bus adapters, it is possible to forge source addresses (WWNS/Mac/IPs) and compromising access. Many storage controllers also support LUN masking. LUN masking is implemented at the level of the storage controller, the controller applies access policies to the device and so it is safer. However, it is applied primarily not as a measure of safety in itself, but rather as a protection against faulty servers which can corrupt and disks belonging to other servers. For example, Windows servers connected to a San, under certain conditions, will damage the volumes non-Windows (Unix, Linux, and NetWare) on the SAN by attempting to write Windows volume labels. By hiding the other LUNS in Windows Server, this can be avoided, because the Windows Server does not realize that the other LUNS exist.

• "Lightroom has encountered an error when reading his Max Preview and needs to quit" Please help! (I'm on a desktop HP)

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  In the folder with your catalog (*.) LrCat file), there is a folder with same name but ending with 'previews. LrData ".

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• If anyone has installed ESXi on an old post XW8400 and make use of the SAS RAID?

  So I dug up an old HP XW8400 Workstation, but it is missing some parts and I thought I'd see if anyone has this thing running with the SAS RAID, because most of the forums of discussion and problems seem to revolve around the SATA RAID. So is this still possible? I do not want to invest money and then have NOTHING to do...

  Well, you're lucky, because I had this question a long time ago, but I never thought that someone else would have taken the trouble but YES - it is supported - even if everybody out there seems to focus on the SATA RAID I took not stable worth, since I use SAS disks in my workstation , because they are MUCH faster and can support a flow MORE. I have ESXi 1483097 5.1 Build running with 2 450 GB SAS drives in a RAID 0 configuration, and the system just hums...

  It is an old machine, but I was surprised that he was able to follow with the latest versions of ESXi, that's why I don't bother throwing, so if someone is there looking into the purchase of a good workstation MARKET that supports ESXi 5.1 with dual Quad Core Xeon, 32 GB of RAM, and SAS RAID so you won't go wrong with this one. You will encounter a small problem though, but I guess I'll wait for others to try to run this configuration that I share this juicy tidbit, although it is relatively easy to overcome and all depends on how you run ESXi...

  I know if you tried and GB SAS...