Ability to share a disk (assign disk to multiple virtual machines)

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Hans Vos

November 19, 2012 15:46

For cluster environments we need to have the ability to share file system partitions between nodes within a cluster.

We currently work around this issue by creating a separate virtual machine which exports an iSCSI device. This device is then mounted on each node using OCFS2 on the iSCSI target.

This setup does not provide optimal performance. We would like to have the ability to create a virtual disk within OnApp which we can assign to multiple virtual machines directly.

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  David Ellsworth June 12, 2013 21:29

  Being able to use OnApp Integrated storage in this manner would be *extremely* beneficial and help sell it better.

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  Hans Vos June 13, 2013 10:14

  Indeed, this is still something we would like to have but we have chosen to purchase an additional SAN that we will use to export iSCSI targets manually for cluster environments.

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  Stuart Haresnape July 08, 2013 08:27

  what sort of workloads would you expect to be running in this situation? 

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  Hans Vos July 08, 2013 08:47

  We would use this in combination with OCFS2 or GFS2 to share data in cluster environments for large website. Files that would be shared are the core files of a website (e.g. large Magento online shops) where multiple front end nodes would need access to the same files (also images).

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  Dominik Nowacki January 30, 2014 17:12

  I would definitely like to see this feature.

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  Jaanus Koiv May 15, 2014 05:23

  Agreed. That would be a welcomed feature. Cureently using SAN with NFS/iSCSI module for this. Not the best solution because it puts an extra strain on NIC-s.

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  Stuart Haresnape August 01, 2014 13:52

  Hi

  We hear you with this. Next thing we will do is add the ability to move a disk from one VM to the other but we will keep this here and try to develop it at some point in the future.

   

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  Exabytes Technical Support October 05, 2015 09:07

  Any update on this?

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  Daniel Gullin October 05, 2015 13:02

  +1

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  Steven Craig January 04, 2017 03:44

  I would like something like this as well, which I requested here:

  https://help.onapp.com/hc/en-us/community/posts/211112468-Amazon-S3-compatiable-storage-bucket-API?page=1#community_comment_115000272408

  Including a block level storage driver that could mount a path right to the storage API and use a virtual disk in onapp IS for storage just like a VM does but without the need for a VM.

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