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Re: [Xen-API] Re: [Xen-users] XCP and XenCenter

To: Tomoiaga Cristian <cristi@xxxxxxxxxxx>
Subject: Re: [Xen-API] Re: [Xen-users] XCP and XenCenter
From: Jonathan Ludlam <Jonathan.Ludlam@xxxxxxxxxxxxx>
Date: Thu, 17 Feb 2011 02:25:47 +0000
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Cc: Lars Seeliger <meesterlars@xxxxxxxxx>, "xen-api@xxxxxxxxxxxxxxxxxxx" <xen-api@xxxxxxxxxxxxxxxxxxx>
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Thread-topic: [Xen-API] Re: [Xen-users] XCP and XenCenter
I know that this is being looked into at the moment. Not sure if it'll make the 
next release of XCP or not.


Sent from my iPad

On 16 Feb 2011, at 20:35, "Tomoiaga Cristian" <cristi@xxxxxxxxxxx> wrote:

> QoS doesn’t do much good. I need to be able to set an upper limit of 
> reads/writes ops.
> QoS won't stop a VM from bringing down an entire storage.
> Regards,
> Tomoiaga
> From: Lars Seeliger [mailto:meesterlars@xxxxxxxxx] 
> Sent: Wednesday, February 16, 2011 10:33 PM
> To: Tomoiaga Cristian
> Cc: Jonathan Ludlam; xen-api@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-API] Re: [Xen-users] XCP and XenCenter
> XS 5.6 FP1 features QoS for virtual disks. Could this be what you're looking 
> for? Surely this is also available in XCP.
> http://docs.vmd.citrix.com/XenServer/5.6.0fp1/1.0/en_gb/reference.html#disk_qos
> On 16 February 2011 19:40, Tomoiaga Cristian <cristi@xxxxxxxxxxx> wrote:
> Well, the XenCenter issue is partially solved now anyway.
> A way bigger issue is being able to throttle iops/vdi. Seems nobody wants to 
> answer if it’s possible (I am sure it is) and if there are any plans to 
> implement something.
> VMWare already has this and I am amazed why this is treated as not being 
> important since almost everyone has problems when one VM creates too 
> many/sepcific IOPS.
> Regards,
> Tomoiaga
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