Re: raid10 with missing redundancy, but health status claims it is ok.

Demi Marie Obenour <[email protected]> Mon, 30 May 2022 10:07:56 -0400

Newsgroups	gmane.linux.lvm.general
Message-ID	<YpTPwJbsmG9Dr4X2@itl-email>

On Mon, May 30, 2022 at 10:16:27AM +0200, Olaf Seibert wrote:
> First, John, thanks for your reply.
> 
> On 28.05.22 18:15, John Stoffel wrote:
> >>>>>> "Olaf" == Olaf Seibert <[email protected]> writes:
> > 
> > I'm leaving for the rest of the weekend, but hopefully this will help you...
> > 
> > Olaf> Hi all, I'm new to this list. I hope somebody here can help me.
> > 
> > We will try!  But I would strongly urge that you take backups of all
> > your data NOW, before you do anything else.  Copy to another disk
> > which is seperate from this system just in case.
> 
> Unfortunately there are some complicating factors that I left out so far.
> The machine in question is a host for virtual machines run by customers.
> So we can't just even look at the data, never mind rsyncing it.
> (the name "nova" might have given that away; that is the name of the 
> OpenStack compute service)

Can you try to live-migrate the VMs off of this node?  If not, can you
announce a maintenance window and power off the VMs so you can take a
block-level backup?
-- 
Sincerely,
Demi Marie Obenour (she/her/hers)
Invisible Things Lab

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