Hi Vivek, Can you detach one of the data drive and try to power-on the VM, check if it works for you in starting of VM. If so, re-attach the detached drive to VM in online.
P.S.: I sometimes seeing this type of issue when the VM got up with more than 4 drive which includes ROOT disk. Thanks. Anil. On Sat, Oct 28, 2017 at 6:36 PM, Rafael Weingärtner < raf...@autonomiccs.com.br> wrote: > Did you check the hierarchy of these files with 50KB? > > I believe that when ACS takes a snapshots it will create a hierarchy of > VHDs, and since you are looking for the leaf right after the snapshot, it > is for sure empty (or almost empty) > > > On 10/28/2017 9:24 AM, Vivek Kumar wrote: > >> Hello Team, >> >> I am using cloudstack 4.7.1 with xenserver 6.5, Recently I come up with a >> strange issue. I had a VM with four data disk so we planned to scale it >> up, I shutdown my VM and changed the service offering and before doing >> that we had taken snapshot, after all this I just turned on my VM and it >> gave me error that VMs cant be up due to insufficient capacity. So I have >> checked the logs but couldn't get any clue. I see the path of these volumes >> from my DB and checked it in my storage and I found all these VHD are >> having no data earlier it used to be like 100GB, 25GB and like this , but >> now size of disks are around 50KB for all VHDs. >> >> So how come it deleted all old VHDs and replaced it with new VHd, I >> checked on my xenserver about these VHDs so that I can map the correct VHD >> in cloud stack. We found the relevant VHDs and copied it to another >> location so that we can revcover data in case of any issue. >> >> After some time I noticed that it deleted all old VHDs as well - I Dont >> understand why it got deleted even if I manually create VHD it is also >> getting deleted. So we tried it import all VHDs in a xenserver and found no >> data inside these VHDs. >> >> We were using LVM with all these four disk, basically I mounted 3 data >> disk and create a volume group and then merged it into a root file system. >> I agree that its not a good practice because data disk should not depend on >> OS disk. >> >> Can someone please help me to figure out the reason behind it. >> >> Vivek Kumar >> >> >> >> > -- > Rafael Weingärtner > >