[RndTbl] LVM import question

John Lange john at johnlange.ca
Tue Nov 3 12:37:28 CST 2015

You could just mount the remote disk over the "network" and then scan it.

On Tue, Nov 3, 2015 at 11:48 AM, Adam Thompson <athompso at athompso.net>

> On 15-11-03 10:55 AM, Kevin McGregor wrote:
>> I would like to be able to temporarily move a disk from one Linux system
>> to another. The disk has a complete LVM2 volume group on it which I would
>> like to mount on the second system. However, I may or may not be able to
>> mark the volume group as "exported".
>> Is there any way to import a volume group which isn't marked as
>> "exported"? Or to use the destination system to mark it as such?
>> Background: I've been tasked with creating a Linux VM (Virtual Machine)
>> with ClamAV on it which can scan other Linux VM disks. To do that I assumed
>> I'd shut down the target system and mount its disks on the scanning VM, do
>> the scan, then remove the target disks from the scanning VM.
>> Is there a better way?
>> Kevin
> Boot a LiveCD on the to-be-scanned VM?
> Actually, I would boot a LiveCD in the dedicated VM anyway. Sysresccd
> works well, and usually has a reasonably-up-to-date version of ClamAV.
> Also, it doesn't require 3D video, so it works well in a VM (unlike, say,
> Ubuntu, CentOS 7, etc.).
> If you want a regular HDD (vdd?) installed linux system anyway, simply
> running "pvs", "vgs", "lvs" and then mounting the FS out of /dev/mapper
> should work.  You might have to do a "{pv,vg,lv}change -ay" if it's not
> marked as active.  Do NOT flag it as exported once you're done scanning it,
> or the origin system may refuse to automount it.
> If you're running in VMware, I would recommend hot-adding the volume to
> the scanning VM so that it never accidentally tries to boot off it.
> -Adam
> _______________________________________________
> Roundtable mailing list
> Roundtable at muug.mb.ca
> http://www.muug.mb.ca/mailman/listinfo/roundtable

John Lange
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.muug.mb.ca/pipermail/roundtable/attachments/20151103/f3dc5d16/attachment.html>

More information about the Roundtable mailing list