I will give it a try and update later on today. 

thanks 
----- Original Message -----

From: "Shanker Balan" <shanker.ba...@shapeblue.com> 
To: "CloudStack-Users" <users@cloudstack.apache.org> 
Sent: Sunday, 22 December, 2013 7:29:46 AM 
Subject: Re: KVM - Adding volume to Ubuntu Server is not shown 

On 22-Dec-2013, at 8:42 am, Shanker Balan <shanker.ba...@shapeblue.com> wrote: 

> On 22-Dec-2013, at 2:19 am, Marty Sweet <msweet....@gmail.com> wrote: 
> 
>> As far as I know certain linux distributions will do it automatically every 
>> so often, this may be wrong though. Did the guide fix the issue for you? 
>> 
> 
> Andrei, I hope your template has a working udev service: 

Nm, I am able to reproduce the issue on my Ubuntu lucid KVM template 
which I just created. 

I can see CloudStack create a “vdb” being created as a virt-io block 
device but nothing turns up inside the Guest lucid instance unless I reboot. 

It smells like a hot plug issue… 

So I forced ‘acpiphp' to load as per 
http://www.linux-kvm.org/page/Hotadd_pci_devices 

And now… 

attach+detach #1: 

shanu@ubuntu3:~$ date;sudo fdisk -l /dev/vdb 
Sun Dec 22 12:57:36 IST 2013 
shanu@ubuntu3:~$ date;sudo fdisk -l /dev/vdb 
Sun Dec 22 12:57:47 IST 2013 

Disk /dev/vdb: 5368 MB, 5368709120 bytes 
16 heads, 63 sectors/track, 10402 cylinders, total 10485760 sectors 
Units = sectors of 1 * 512 = 512 bytes 
Sector size (logical/physical): 512 bytes / 512 bytes 
I/O size (minimum/optimal): 512 bytes / 512 bytes 
Disk identifier: 0x00000000 

Disk /dev/vdb doesn't contain a valid partition table 
shanu@ubuntu3:~$ date;sudo fdisk -l /dev/vdb 
Sun Dec 22 12:57:53 IST 2013 

attach+detach #2: 

shanu@ubuntu3:~$ date;sudo fdisk -l /dev/vdb 
Sun Dec 22 12:57:59 IST 2013 

Disk /dev/vdb: 5368 MB, 5368709120 bytes 
16 heads, 63 sectors/track, 10402 cylinders, total 10485760 sectors 
Units = sectors of 1 * 512 = 512 bytes 
Sector size (logical/physical): 512 bytes / 512 bytes 
I/O size (minimum/optimal): 512 bytes / 512 bytes 
Disk identifier: 0x00000000 

Disk /dev/vdb doesn't contain a valid partition table 
shanu@ubuntu3:~$ date;sudo fdisk -l /dev/vdb 
Sun Dec 22 12:58:04 IST 2013 
shanu@ubuntu3:~$ 

Andrei, can you try again with the hot plug modules? 


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