[Users] SSD trim support over a LUKS layer

[Narcis Garcia]

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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