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From Mike Tutkowski <mike.tutkow...@solidfire.com>
Subject Re: [jira] [Commented] (CLOUDSTACK-6181) Root resize
Date Fri, 28 Nov 2014 20:02:25 GMT
I think we should protect from this in code.

On Friday, November 28, 2014, Nux (JIRA) <jira@apache.org> wrote:

>
>     [
> https://issues.apache.org/jira/browse/CLOUDSTACK-6181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14228496#comment-14228496
> ]
>
> Nux commented on CLOUDSTACK-6181:
> ---------------------------------
>
> Managed to corrupt a VM's disk today by live resizing it; it was a just a
> test VM.
> Wonder if this is something we wished to prevent in the code or just make
> people aware of it? It may not be obvious to everyone resizing it on the
> fly while the VM is running will cause corruption.
>
> > Root resize
> > -----------
> >
> >                 Key: CLOUDSTACK-6181
> >                 URL:
> https://issues.apache.org/jira/browse/CLOUDSTACK-6181
> >             Project: CloudStack
> >          Issue Type: New Feature
> >      Security Level: Public(Anyone can view this level - this is the
> default.)
> >          Components: Hypervisor Controller, Storage Controller, UI
> >    Affects Versions: 4.4.0
> >         Environment: KVM/libvirt/CentOS, Xenserver
> >            Reporter: Nux
> >              Labels: disk, resize, template
> >             Fix For: 4.4.0
> >
> >
> > Rationale:
> > Currently the root size of an instance is locked to that of the
> template. This creates unnecessary template duplicates, prevents the
> creation of a market place, wastes time and disk space and generally makes
> work more complicated.
> > Real life example - a small VPS provider might want to offer the
> following sizes (in GB):
> > 10,20,40,80,160,240,320,480,620
> > That's 9 offerings.
> > The template selection could look like this, including real disk space
> used:
> > Windows 2008 ~10GB
> > Windows 2008+Plesk ~15GB
> > Windows 2008+MSSQL ~15GB
> > Windows 2012 ~10GB
> > Windows 2012+Plesk ~15GB
> > Windows 2012+MSSQL ~15GB
> > CentOS ~1GB
> > CentOS+CPanel ~3GB
> > CentOS+Virtualmin ~3GB
> > CentOS+Zimbra ~3GB
> > CentOS+Docker ~2GB
> > Debian ~1GB
> > Ubuntu LTS ~1GB
> > In this case the total disk space used by templates will be 828 GB,
> that's almost 1 TB. If your storage is expensive and limited SSD this can
> get painful!
> > If the root resize feature is enabled we can reduce this to under 100 GB.
>
>
>
> --
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>


-- 
*Mike Tutkowski*
*Senior CloudStack Developer, SolidFire Inc.*
e: mike.tutkowski@solidfire.com
o: 303.746.7302
Advancing the way the world uses the cloud
<http://solidfire.com/solution/overview/?video=play>*™*

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