Andrija,
You did understand me correctly. I wish that for the customer disk
offer could be customizable. And not just for KVM hypervisor. Particularly now
I am interested in Xen and VmWare.
CS admin should not have set of templates that differs only on root partition
size. Swap partition can be (theoretically) located as another DATA disk and
be re-sizable with existing functionality.
How hard is to achieve such a requirement? Are these requirements
something unusual and I should do it other way? For example we say to the
customer, that you have unallocated space if you select different size and
extend partition by yourself?
Vadim.
-----Original Message-----
From: Andrija Panic [mailto:[email protected]]
Sent: Monday, December 01, 2014 12:06 PM
To: [email protected]
Subject: Re: root resize support in the UI
Vadim, not sure if I understand corrrectly - but you have i.e. 10GB template.
you provision new VM with different size i.e. 50GB, and then after the instance
is UP and running - there is just 40GB of additional unalocated space inside
VM/disk, so admin need to resize partition and resize FS... ?
I have been manually using qemu-img to resize some volumes (update the size
inside DB) and then boot VM and do "inside VM" work of resizing stuff...
If we only increase disk by qemu-img and update the DB - than no more
admin-manual hacks needed - and we have consistent solution, that works across
all platforms.
And to support resize inside differente OS-es by ACS (partitions and FS) -
seems pretty impossible for me, except for basic templates that have 1
partition, and i.e. no swap partition, etc...we loose consistency here
completely...
On 1 December 2014 at 10:33, Vadim Kimlaychuk <[email protected]>
wrote:
> But that means user can not create desired volume during instance set-up.
> If we would like to have, for example, VM with disk offers from
> 5-100Gb I need to create dozen of same templates that differ only at root
> size.
>
> Vadim.
>
> -----Original Message-----
> From: Andrija Panic [mailto:[email protected]]
> Sent: Monday, December 01, 2014 11:06 AM
> To: [email protected]
> Subject: Re: root resize support in the UI
>
> Exactly, there may be more than 1 partion on that 1 drive.. So just
> increase disk size, and let administaror handle the "inside VM" job
>
> On 1 December 2014 at 09:34, Erik Weber <[email protected]> wrote:
>
> > On Mon, Dec 1, 2014 at 9:23 AM, Vadim Kimlaychuk <
> > [email protected]>
> > wrote:
> >
> > > I have done root partition resize under XenServer exactly as you
> > described
> > > - resized drive and then using system tools on guest VM like
> > > fdisk, lvextend and ext2resize changed the size of the root. It
> > > seems that
> > drive
> > > resize on hypervisor level is all that is needed, because it is
> > > far too complicated for hypervisor to be aware of all different
> > > types of
> > partition
> > > layouts and file systems that might exist. Then upper layer (like
> > > CS) may take role of implementing different actions according to
> > > guest type and file system that have being used for particular
> > > guest. While OS type can be taken from template, FS type and
> > > partition type is information that is not stored in the database.
> Without it implementation is not feasible.
> > >
> >
> > It's not given that you want to resize a partition or which one,
> > just because you resize the disk.
> >
> > Thus it's not feasible to assume that the orchestration layer should
> > be capable of doing it.
> >
> > --
> > Erik
> >
>
>
>
> --
>
> Andrija Panić
>
--
Andrija Panić
