Re: [PLUG] VirtualBox Problems

2022-02-11 Thread John Jason Jordan
I discovered that I can export from the old VirtualBox to OVF format just by manually changing the name of the file it will create from .OVA to .OVF. And the new VirtualBox on the Latitude will import it, except that at the end the import fails: VirtualBox Error Failed to import appliance ...

Re: [PLUG] VirtualBox Problems

2022-02-11 Thread TomasK
So, you need OVF to import it? Try export Virtual Appliance from menu then select one of the OVF formats. I do not bother - just: rsync -a "VirtualBox VMs" .../home/$USER/ rsync -a .config/VirtualBox .../home/$USER/.config/ Then start your new virtualbox and you should see everything as it

Re: [PLUG] Logical volumes: use disk or partition?

2022-02-11 Thread Michael Ewan
By disappear I meant no longer visible, you have to do the vgscan and vgchange for the logical volumes to become visible. Some distro do this automatically for you. On Fri, Feb 11, 2022 at 12:20 PM Rich Shepard wrote: > On Fri, 11 Feb 2022, Michael Ewan wrote: > > > The steps involved are

Re: [PLUG] Logical volumes: use disk or partition?

2022-02-11 Thread Rich Shepard
On Fri, 11 Feb 2022, Michael Ewan wrote: The steps involved are pvcreate, vgscan, vgcreate, and lvcreate. The pvcreate operation labels the disks for use in a volume group. Do not use the UUID. The vgscan operation finds the pv labels. The vgcreate operation takes those disks and adds them to a

Re: [PLUG] Logical volumes: use disk or partition?

2022-02-11 Thread Michael Ewan
The steps involved are pvcreate, vgscan, vgcreate, and lvcreate. The pvcreate operation labels the disks for use in a volume group. Do not use the UUID. The vgscan operation finds the pv labels. The vgcreate operation takes those disks and adds them to a volume group. So... pvcreate /dev/sdc1

Re: [PLUG] Remove raid1 (/dev/md0) and its disks [DONE]

2022-02-11 Thread Rich Shepard
On Fri, 11 Feb 2022, Michael Rasmussen wrote: Perhaps you can read up on UUIDs? Two sources I used while reading this thread were: https://www.uuidtools.com/what-is-uuid and https://en.wikipedia.org/wiki/Universally_unique_identifier Thanks, Michael. Rich

Re: [PLUG] Remove raid1 (/dev/md0) and its disks [DONE]

2022-02-11 Thread Rich Shepard
On Fri, 11 Feb 2022, Galen Seitz wrote: Wait! I think you are missing an important point. UUIDs are used for many things on a modern Linux system. There will typically be *multiple* UUIDs used for multiple purposes. Here is some trimmed output from an Ubuntu system that has three physical

Re: [PLUG] Remove raid1 (/dev/md0) and its disks [DONE]

2022-02-11 Thread Michael Rasmussen
On 2022-02-11 09:34, Rich Shepard wrote: On Fri, 11 Feb 2022, Tomas Kuchta wrote: The point about not using /dev/sd*, especially with external enclosures, is that the device letter can change (not just once) during the array build. Tomas, I'll kill the mdadm create process and use the

Re: [PLUG] Remove raid1 (/dev/md0) and its disks [DONE]

2022-02-11 Thread Galen Seitz
On 2/11/22 09:34, Rich Shepard wrote: On Fri, 11 Feb 2022, Tomas Kuchta wrote: The point about not using /dev/sd*, especially with external enclosures, is that the device letter can change (not just once) during the array build. Tomas, I'll kill the mdadm create process and use the two

[PLUG] Logical volumes: use disk or partition?

2022-02-11 Thread Rich Shepard
Two of the disks in the MediaSonic Probox have been partitioned and had ext4 installed but are otherwise empty of data. Rather than having two separate disks for extra external storage I want to build a single LV. The LVM docs I've read use partitions on a single hdd. I did not explictly make a

Re: [PLUG] Remove raid1 (/dev/md0) and its disks [DONE]

2022-02-11 Thread Rich Shepard
On Fri, 11 Feb 2022, Bill Barry wrote: You should also be aware of the useful tool blkid which lists your block devices and their uuids. BIll, Ah, yes. Thanks. I forgot about that one. Regards, Rich

Re: [PLUG] Remove raid1 (/dev/md0) and its disks [DONE]

2022-02-11 Thread Rich Shepard
On Fri, 11 Feb 2022, Tomas Kuchta wrote: The point about not using /dev/sd*, especially with external enclosures, is that the device letter can change (not just once) during the array build. Tomas, I'll kill the mdadm create process and use the two UUIDs instead. Do I write: mdadm --create

Re: [PLUG] Remove raid1 (/dev/md0) and its disks [DONE]

2022-02-11 Thread Bill Barry
On Fri, Feb 11, 2022 at 9:50 AM Tomas Kuchta wrote: > > On Fri, Feb 11, 2022, 08:39 Rich Shepard wrote: > > > On Thu, 10 Feb 2022, Galen Seitz wrote: > > > > > Using UUIDs should prevent much of this grief. For example, here's a line > > > from mdadm.conf on one my my machines: > > > >

Re: [PLUG] Remove raid1 (/dev/md0) and its disks [DONE]

2022-02-11 Thread Tomas Kuchta
On Fri, Feb 11, 2022, 08:39 Rich Shepard wrote: > On Thu, 10 Feb 2022, Galen Seitz wrote: > > > Using UUIDs should prevent much of this grief. For example, here's a line > > from mdadm.conf on one my my machines: > > Galen/Tomas: > > Okay. I've six mdadm.conf files here, including

Re: [PLUG] Remove raid1 (/dev/md0) and its disks [DONE]

2022-02-11 Thread Rich Shepard
On Thu, 10 Feb 2022, Galen Seitz wrote: Using UUIDs should prevent much of this grief. For example, here's a line from mdadm.conf on one my my machines: Galen/Tomas: Okay. I've six mdadm.conf files here, including /etc/mdadm.conf which is all commented out. Since mdadm has been working on