With NFS, XenServer can do thin provisioning in the VHD files. With iSCSI (and without StorageLink), XenServer assumes the storage device does the thin provisioning.
-kevin > -----Original Message----- > From: Diego Spinola Castro [mailto:spinolacas...@gmail.com] > Sent: Friday, June 22, 2012 10:46 AM > To: cloudstack-dev@incubator.apache.org > Subject: Re: Cloudstack Supporting Xenserver StorageLink storage pool > > Kevin, as far as i know , thin provisioning is only supported using > StorageLink. > I'm going to receive my equallogic box next week and i choose equallogic for > thin provisioning feature. > > Any of you can setup a test environment ? > > > Diego > > > 2012/6/20 Kevin Kluge <kevin.kl...@citrix.com> > > > All of the EqualLogic deployments I'm aware of export iSCSI LUNs to > > CloudStack and add the primary storage as type iSCSI in CloudStack. > > There's a wide variety of storage used in production with CloudStack, > > but EqualLogic is one of the more popular options. I haven't heard of > > anyone using StorageLink. > > > > With XenServer people use local disk, iSCSI, NFS, and Fiber Channel (via > > PreSetup). iSCSI and NFS are the popular choices. > > > > The challenge we have seen with XenServer and iSCSI is admin debugging > > in the case of issues. Many people don't know or understand the > > volume commands needed in this environment, so if something goes > wrong > > the debugging process can be tedious (as compared to NFS, where you > > can manage VHD files with ls,cp,etc). > > > > -kevin > > > > > -----Original Message----- > > > From: Lucas Hughes [mailto:lucas.hug...@ecommerce.com] > > > Sent: Wednesday, June 20, 2012 3:07 PM > > > To: cloudstack-dev@incubator.apache.org; cloudstack- > > > us...@incubator.apache.org > > > Subject: Re: Cloudstack Supporting Xenserver StorageLink storage > > > pool > > > > > > On 06/20/2012 05:13 PM, Lucas Hughes wrote: > > > > My enviroment that I am testing with has Equallogic San's that are > > > > connecting to our XenServer 6.0 pool. I have setup a pre-setup > > > > storage pool in Cloudstack that on the XenServer side uses the > > > > Citrix StorageLink driver. We are getting issues with creating > > > > vm's that have their root volume set to use the presetup storage tag. > > > > > > > > It seems that the common error is that storage repository type > > > > cslg (Citrix Storage Link Gateway) is not supported. I am > > > > wondering if this is issue with Cloudstack not supporting > > > > storagelink drivers or weird Xenserver issue. Any feedback is > > > > welcome and I am curious to hear from anyone else using Xenserver > > > > and equallogic san's with cloudstack how things are working for them. > > > > > > > > > > > Another question regarding Cloudstack and storage types. Xenserver > > > has many different types of supported storage manage objects. From > > > my earlier email I see that cslg is not supported. I was wondering > > > if anyone here > > has a > > > list of storage mange objects that are in Xen that Cloudstack supports. > > > > > > -- > > > Lucas Hughes > > > Cloud Engineer > > > Ecommerce Inc > > > >