[Users] SSD trim support over a LUKS layer

[Paulo Coghi - Coghi IT]

Why suggest LXC when we have OpenVZ 7? LXC is far behind, it has less
features, it's more insecure, has a network standard that is a nightmare,
etc.

I stopped using proxmox from the exact moment it removed OpenVZ support and
replaced it with LXC.

Now a happy customer with Virtuozzo 7 (the same as OpenVZ 7) using multiple
NVMe drives with zero issues for almost 2 years.

On Mon, Apr 29, 2019 at 10:42 AM Narcis Garcia <informatica at actiu.net>
wrote:

> Definitely we'll not migrate to Proxmox because it's suboptimal writing
> this in OpenDocument format from an HTML5 interface.
>
>
> El 28/4/19 a les 14:37, spameden ha escrit:
> > No. It's impossible to use OpenVZ 6 with kernel 4.x, unless you put lots
> > of effort to port their patches over the fresh kernel.
> >
> > The latest OpenVZ 6 kernel is 2.6.32-openvz-042stab136.1-amd64 and there
> > is an issue with discard (it doesn't work).
> >
> > The discard issue has been fixed in 3.1-mainline kernel I think, you can
> > look over newish RHEL kernel and try to port those changes to the old
> > legacy OpenVZ 6 kernel.
> >
> > Regarding 4.x kernel:
> > I'm using Proxmox with 4.x kernel (there is no OpenVZ) - only LXC
> > containers and KVM - and there is no issue with discards at all.
> > and what I also meant is: that you can easily migrate your existing
> > OpenVZ containers to the Proxmox.
> >
> > Proxmox is based on latest Debian Stretch and specifically designed as a
> > distro for contrainers.
> > It has GUI, networking support (including openvswitch and other),
> > KVM/LXC support and many other things (e.g. ceph/glusterfs support).
> >
> > Though, reading you again you've mentioned that you need a specific
> > simfs quota in containers:
> > most likely that would be impossible for unprivileged containers with
> > directory storage (simfs analogue), althrough you could use qcow2 or
> > LVM-based storage for containers.
> >
> >
> > вс, 28 апр. 2019 г. в 09:47, Narcis Garcia <informatica at actiu.net
> > <mailto:informatica at actiu.net>>:
> >
> >     El 27/4/19 a les 22:15, spameden ha escrit:
> >     >
> >     > сб, 27 апр. 2019 г. в 20:16, Narcis Garcia <informatica at actiu.net
> >     <mailto:informatica at actiu.net>
> >     > <mailto:informatica at actiu.net <mailto:informatica at actiu.net>>>:
> >     >
> >     >     I responded about OpenVZ/6 vs LXC, and Proxmox doesn't solve
> >     the Discard
> >     >
> >     >
> >     > What do you mean it doesn't solve the issue with discard? It does.
> >     >
> >     > Discard is perfectly working on Proxmox kernel 4.15.18-12-pve or
> >     even on
> >     > 4.13 kernel on DM-Crypt/LUKS setup.
> >     >
> >     > I'm using on all my servers DM-Crypt/LUKS + LVM so I know what I'm
> >     > talking about.
> >
> >     Are you really using OpenVZ 6 with Linux kernel 4.x?
> >     Did you see any difficult with Discard when using other context with
> >     Linux 4.x ?
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> >
> >
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