[Users] SSD trim support over a LUKS layer

[Paulo Coghi - Coghi IT]

I apologize for the duplicate message. I forgot that I had already sent a
message before.

On Mon, Apr 29, 2019 at 10:52 AM Paulo Coghi - Coghi IT <
paulocoghi at gmail.com> wrote:

> 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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>> >     https://lists.openvz.org/mailman/listinfo/users
>> >
>> >
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