Re: CentOS 7 cloned VM cannot boot

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On 4/5/2017 5:20 μμ, Marcelo Roccasalva wrote:

Dumb question: the file starts with a dot, doesn't show up in "ls" without "-a".

Of course, I check with ls -la.It is empty indeed.

Even dumber question: the erroring UUID exist in the origin of thecloned guest? I guess you have rebuilt initramfs a few times now, so I believe it is irrelevant...

Interestingly, I see in the origin VM, the same UUID as in the cloned guest. See below.

I don't know anything about rebuilding initramfs; the whole restore process is automatic. (There is a manual method too, but I have not been successful with it either.)

# blkid
/dev/mapper/centos-root: UUID="fcee6215-e97a-4a4f-9473-5115f8559683" TYPE="xfs"
/dev/vda2: UUID="cey71w-b81q-w1se-0Cww-X2cr-Milx-dWw15Z" TYPE="LVM2_member"
/dev/vda1: UUID="297e2939-d6f5-431a-9813-9848368ee306" TYPE="xfs"
/dev/mapper/centos-swap: UUID="b220b45f-ae22-4393-a74d-90b03d37c41b" TYPE="swap"

# cat /etc/fstab
/dev/mapper/centos-root /                       xfs defaults        0 0
UUID=297e2939-d6f5-431a-9813-9848368ee306 /boot xfs defaults 0 0
/dev/mapper/centos-swap swap                    swap defaults        0 0
10.201.40.34:/data/col1/noc-bkups-1 /mnt/dd2500-1 nfs auto,noatime,nolock,bg,nfsvers=3,intr,tcp,actimeo=1800 0 0

Any ideas?

Never used mondorestore to clone a VM, have you done it successfully before?

I have always had success in all my (numerous) restores/clones with CentOS 5 and 6.

I have not managed to have a fully successful (i.e. bootable) restore/clone of a CentOS 7 system yet (due to the above issue).

Thanks,
Nick

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