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Rather than converting the cold vm disk, couldn't you boot up the vm, dump the disks to stream, and send the streams into another format?
by nubinetwork 9d ago
Rather than converting the cold vm disk, couldn't you boot up the vm, dump the disks to stream, and send the streams into another format?
- Neywiny 9d agoProbably better to get the vm into a ramfs or any other way to not be currently on it. Otherwise it'll likely be pretty corrupted
- deleted 9d ago[deleted]
- watusername 9d agoYes, this is Microsoft's "agent-based migration" option mentioned in the article.
- WokeUp420 8d agoAgent based requires an insane amount of privileged accounts and I would say fails for 10%+ of the VM population
- WokeUp420 8d agoTry doing that to 3,000 production VMs.
- nubinetwork 8d agoWhere do you work that a single sysadmin manages 3000 VMs?
- rwmj 8d agoWe're running a migration from VMware to Red Hat Openshift Virt for one customer right now which is over 150,000 VMs. That's a big one, but five figure number of VMs is very typical. I gave a 5 min lightning talk about this a couple of years back: https://pretalx.com/devconf-cz-2024/talk/SN93LG/ https://pretalx.com/devconf-cz-2024/talk/SN93LG/ People talking here about Proxmox make me laugh.
- nubinetwork 8d ago> People talking here about Proxmox make me laugh. We have a (what I thought was) large nutanix setup at $dayjob for epic emr... we have like 10-12 sysadmins for ~500 servers (end user apps, and backend infra like Citrix), and even that seems like a lot.