Proxmox bind mount multiple containers. I then found this post on how to.

Proxmox bind mount multiple containers The files are not synchronized between the host directory and the bind mount, it seems that they are 2 different file systems. Thread starter YamiGhor; Start date Friday at 12:06 Forums. Running into this issue myself. PS: I read the mailing list and here is my modest opinion it: Even If more than 10 mount points really slows down the system i would accept that because for me it is more important to be able to mount all zfs for containers mounting a disk is easier with bind mounts. I suspect an alternative is to create two users in the container and map them 1:1. mount with following content: The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server Thanks for the patch and pointing to the mailing list. this was done by adding mp0: btank:subvol-115-disk-0,mp=/tank to each container's config. entry" format (look up the syntax) instead of the "mp0: " syntax you can use snapshots still. cyqpann Member. For this I added the following line to the container configuration: mp0: /theshire/br,mp=/mnt/br none bind 0 0 df on the lxc deliveres the following for the mounted folder: rpool/ROOT/pve-1 453852672 80682112 373170560 18% /mnt/br none bind 0 0 I have mounted a CIFs share in my proxmox host that presents files as owned by foo:users. I want to create shared storage (10Gb) and share it between two containers CID 100 - /var/lib/plexmediaserver/Library CID 101 - /var/lib/deluged/Downloads I can create the two containers (unpriviledged) pct Hello, I have trouble to access a bind mount from inside the container and Im unsure, how to solve it. Use bind mounts to the ZFS file system and you map them to each container. And you need to enable I've mounted internal host drives into my LXC containers for years with a simple pct set command, but this is the first time I've tried to mount an external USB drive and I've encountered the nobody:nogroup issue. I got a mix of backup failures and successes, and it looks like the backups which fail are the backups where A) the container is running and B) the container has local folder path mounts. The problem comes when I share the storage from sama container to VM by using mount -t cifs. create user id/group with id 1005 on host I have NFS shares on separate OMV server that are used for storage in Proxmox 7. conf file: You have two options: Options 1: Change the mount's uid/gid on the host to the correlated mappings in the container. By using our services, you agree to our use of cookies. I have a zfs pool on my Proxmox host which is used for the VM/LCXs and data storage. The series covers a lot, but probably the most useful things to anyone will be the guides on sharing ZFS datasets from Proxmox to Unprivileged LXC containers with Bind Mounts and GPU Passthrough to Unprivileged LXC Containers. 0-41) But not for bind mount. Daher steinigt mich bitte nicht all zu sehr, falls manch´ eine Frage etwas unqualifiziert sein sollte. an API token is a separate entity (with possibly vastly reduced privileges), so it can't be treated identical. Foo's id is 1002. One LXC host, many Docker containers vs One Docker container per LXC host. conf that looks like this. We think our community is one of the best thanks to people like you! Maybe I've chosen the wrong way to accomplish the task. I had to access some folders of this share from other container (for example syncthing or calibre). There is some problem with the mount points. The external drive obviously has to be persistently mounted into the Proxmox host. Mein Name ist Daniel und ich beschäftige mich jetzt seit knapp 3 Wochen mit dem Thema Proxmox. As matter of fact we would only use BIND MOUNT with container and Kernel module for all clients running outside ProxMox on bare metal (or as VMs not containers). An alternative to this is creating a network share. Proxmox VE: Installation and configuration The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox And you can use the more secure unprivileged LXCs with SMB/NFS with a workaround. 1 and created a standard Ubuntu 17. Proxmox Virtual Environment The container has 65536 ids available for users and groups, The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway. For the remapping see [1] Or just run the container in privileged mode then the mapping is the same. I'm using 2 drives with ZFS which was set up using the GUI on the Proxmox host. I've found two approaches: 1. Because the function of this LXC used both mounts, I thought a single user in the LXC could be mapped to the respective IDs required on the host for access to those directories. We use an openvz container as bacula backup server. There are some performance/conflict issues with mounting cephfs and containers in proxmox related to the kernel sharing. This does sound to be what you want because this would allow multiple containers access to the same data. I'm having a frustrating issue with bind mounting a host directory into an unprivileged LXC container on Proxmox. But I don't see why bind-mounting shouldn't work. Later I have added an LXC container running DOCKER, with a stack of 3 containers: Portainer, Plex and Frigate. From my understanding, there are three types of mount points in containers: storage backed mount points bind mount points device mount points Storage backed mount points and bind mount points require the storage to be mounted and configured at the OS level on the Proxmox host. for access to Using bind-mounts, you can, for example, create a ZFS pool on Proxmox, and bind a directory in said pool to a Turnkey Linux Nextcloud container to use for storing user data, or Are there any dangers of multiple containers bind mounting the same directory and writing to it? I assume the host handles the actually writing so things stay in sync and there My intent is to create a samba share using a bind mount point inside a container and authentication for multiple users using active directory. Proxmox host: [root@vbox-pve test$] chown 150000:150000 /test/test [root@vbox-pve test$] ls -l /test total 4 drwxr-xr-x 2 Disk #2 has been mounted to /mnt/pve/data2 so I can easily bind-mount it into any container. x: Installation and configuration The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway. I would like to re-create my Plex server as a container. conf. When i try to create new container with mp0 mountpoint via api I have Proxmox 8. I even managed to corrupt my pool in the process. Example use-cases: Plex server reading data from NAS; Photoprism reading multimedia files from NAS; and many more; There are two possible ways of binding What is the maximum recommended number of bind mounts for a container? According to man pct the bind mount limit seems to be 256 (mp0 - 255) is this assumption correct? Thanks! Chris . It seems like it would be better for Proxmox to support Hi, This is my first time seeking help in such a forum, so please excuse any mistakes. We think our community is one I am also experiencing this bug under the same circumstances as reported above, I took the same set of updates at the same time. So an id of 0 (root) in an LXC will be mapped to id of 100000 on the Promox host. If you want read-only mount points then you may need to use privileged containers together with ACLs. Mein aktuelles Vorhaben: Ich würde gerne ein ZFS DataSet (/tank/movies) an einen unprivilegierten Container (bind)-mounten. 04 I had problems with the root user. So UID/GID 0 to 65535 inside the LXC map to UID/GID 100000 to 165535 on the PVE host. In this context: PVE is "just" an additional layer around a LX(C) container, which adds new features. Thread starter Dr. So I looked online and saw people create the file directly inside the container but unprivileged containers can't create device nodes since it is a kernel Writing to Bind Mount Inside of an Unprivileged Container? Thread starter Davidoff Start date Dec In an LXC container with Ubuntu 22. If you use the "lxc. My pool is like: root@pve:~# zfs list Already did that. In an unprivileged LXC, the user/group ids are mapped sequentially on the Proxmox host starting at 100000. I noticed that in order to get them working I need a privileged container with CIFS enabled. Is it a better method to mount the network share in proxmox and bind the mount If you want to use bind mounts on an unprivileged container see link . Create a Bind Mount: Navigate to your container in the Proxmox web UI. 2. The uids and gids of unprivileged containers are mapped so that 0 in the container corresponds to 100000 on the host. Hi, I came across this post while trying to figure out how to mount my zfs pool to a container. Containers can share bind mount points, so they should work the same. I tried normal bind mounting as described on the wiki but that only bound the top most dataset would be a pain to manage if I wanted to add more datasets down the line. Files are then visible from both sides. Initially, when setting up the container, I had added the following line to /etc/pve/lxc/118. What I have done: Created a uid/gid on the HOST and CONTAINER for app-files (1005) Since bind and device mount points are never backed up, no files are restored in the last step, but only the configuration options. bind mount point virtual machine Forums. Nov 18 . , NFS space that is bind mounted into many containers), or not intended to be backed up at all. depending on what the UID/GID mapping is on the proxmox host, lets say it's root:root, it'll say 100000:100000 or nobody:nobody. goof New Member Only if they are containers (which share the Proxmox host kernel). between a Debian server and a Jellyfin container) in such a way that it's not included in container back-ups. look at the UID GID mapping of the mount inside the container. The first part is clear: # uid map: from uid 0 map 1005 uids (in the ct) to the range starting Hi, I have a privileged nested container and I am struggling to do a bind mount. Although I realized that LXC containers doesn't wait for this process and the docker containers under LXC using this NFS share folder has this as empty. By doing Once you start running your own LXC containers inside a Proxmox, you might encounter a use case when you need a writable SMB/CIFS share mounted inside your unprivileged container. I have two bind mounts, each having their own owning user and group on the host. conf file I managed to kill the container (failed to restart), and even though I have I think fixed all the syntax errors in the conf file the container still will not start. I have a HDD mounted to a VM (Plex server). The issues are significant enough that proxmox doesn't Unprivileged_LXC_containers bind mounts. Example use-cases: There Hi there, Here is my scenario maybe you can suggest a better method or solution. I looked up how to mount a ZFS directly onto a container. what I did to get around this is I created the same 2000:2000 user on all of my containers, and simply changed the mapping on the proxmox host of the Hello, I would like to mount a folder from the proxmox host to an unprivileged lxc-container. I use bind mounts to a LXC which serves as a Samba file server / NAS and then shares the data storage to all the clients. The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway. That same I am pretty new to proxmox and all the networking stuff and I have a doubt about bind mounts and smb shares. Other bind mount points work properly. You can set the permission on the host that it matches to the bind-mount or you can remap the UID/GID. U. Proxmox bind mounts to add an external usb drive and make that drive and all the data available to a container. I tried removing and readding the bind mount but it doesn't work: When the bind mount is not there, the directory is empty (good) but when I readd it, it shows different files. Over "mound --bind" we use it insider the container. But it gets complicated when working with unprivileged LXCs because there is user remapping. 20 May 2021 by Jim Blaich. Thread starter BigBenni; Start date Feb 4, 2024; Tags bind mount lxc uid uid mappings Forums. @fabian It would be really great to be able to setup more than 10 mount points so the patch should be upstreamed. idmap to the container's but I'm struggling to get the disks mounted at the same points in the Guest (a Debian 11 image running Samba). Steps: Move files to host Add user mapping in LXC 100. I do simmiliar things without trouble, but the bind mounts are "local" Filesystems on the SAN. Veles New Member. By doing this, the host system’s files and directories can be accessed and used by the container just as if they were a part of its own file system. g. After some fiddling, I managed to start the container with four out of the five bindmounts. I have managed to bind the nfs directory into container by configuring it by hand into file /etc/pve/lxe/. We are using proxmox 3. 1. As backup-device I use an LTO-drive. 2 fresh test install (hostname is vbox-pve) with one unprivileged LXC container (hostname is pxvm-test, id is 100). Hi I have nfs mount in a proxmox server. However, now I'd like to add an "External Storage" to the Nextcloud setup, from my Host system (proxmox) The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway. Since bind and device mount points are never backed up, no files are restored in the last step, but only the configuration options. conf <SNIP> mp0: /mnt/mydisk,mp=/mydisk I'm running two PBSs in privileged LXC but without bind-mounts. I guess adding the no-snapshot option as suggested above inside storage settings per bind-mount and then allowing to do so if all mp's have such switch set seems like a good compromise. I can start the container without issues, but when I save things in /mnt/download ,the files are not saved in /mnt/pve/scratch/data Instead, they are saved in the container's rootdisk (locally). Rebuilt a folder structure into multiple nested datasets and now the container that had the parent dataset mounted in and WAS working fine in is now garbage. I can see and edit my folders from a Windows laptop. deny mount fstype=devpts, # allow bind mounts of anything in /var to anything in /var mount options=(rw, bind) /var/** -> /var/**, } The Proxmox community has been around for many years and offers help and support for I had a lot of trouble migrating from TrueNAS to Proxmox, mostly around how to correctly share a ZFS pool with unprivileged LXC containers. The assumption is that such mount points are either backed up with another mechanism (e. Both containers can read/write files but conceptually something is missing for me. yes, you need the root@pam user. I tried using the PVE page on unprivileged containers as a guide in attempting to enable write As a matter of fact, the nfs mounts on the host are all readonly. create a file /etc/vz/conf/102. 10 container from the available template. But I can't seem to get it running as the guest container does not have "dev/net/tun". Container B #102 has its volumes spread over three different storages: (some subvolumes are named 103, because they were taken over some time ago from another container 103) 1) rootfs on an SSD RAID10 LVM thin storage 2) two mount points on an single M. It runs on an internal domain with automatic ACME DNS certs, it has its own Storage assigned and I am quite happy with it, so far. Samba on Proxmox host / mount in guest. conf"). 2. The container is created unprivileged and contains a Ubuntu 18. V. NFS or Bind mount in a container. 1-12 and they are always available on the host during the 8 hours a day the OMV server is on. Dec 15, 2022 9 1 3. Die Beschreibung dazu ist sehr aus Sicht eines entwicklers geschrieben, der im Kopf weiß, wann etwas in der Shell des Host und wann etwas in der Konsole des LXC editiert werden muss. An id of 1000 in the LXC will be mapped to 101000 on the Proxmox host. I do not know how exactly I did Bind Mount in Proxmox LXC and ZFS “Bind mount” describes how to mount a directory from the host system (Proxmox host) into the LXC container when discussing ZFS with Proxmox LXC containers. udo i guess you need two bind-mounts. When I set up a bind mount, rather than seeing my two folders - media_library and MetaData, I see: dump images lost+found private snippets template. Now I want to know if it would be possible to have two containers with two mounting points in the ZFS, but one inside the other. I know it's perfectly safe if you passthrough the HBA controlling the drives but it just feels like putting too many eggs in one basket to me. I want to have a host zfs dataset/filesystem accessible inside multiple containers and be able to snapshot the containers, but I don't care about the mount point being included in the snapshot. I've setup my hardware storage layer using LVM/LVM thin, and now I'm trying to figure out how to share bulk storage across guests (e. Anything written to it via Samba adopts file ownership & permissions determined by the samba process / config. I manage all my ZFS stuff on the proxmox host and sharing files between services is so much easier and cleaner using bind mounts. But after the command on the container i see /data/disk1 and /data/disk2, but the are no subdirectories presented. They can all access the same files this way. I have bind mounted my folder in the PVE and I can do the same from console. Here is the relevant parts of my unprivileged container conf file. Container 101 has a directory shared via Samba (it's effectively my NAS). The backups are made to a NAS device, which is mounted using cifs. Going to have to put in tons of mount points in the LXC config. G. mp0 is PVE logic and therefore implies "not snapshottable", the setting lxc. 165535 on the host. However they are all pretty much the same for all the containers. These are passed through to privileged LXC Ubuntu Hi everyone, following this doc page I have successfully shared a disk between two containers and the host. Dran; Start date Feb 1, 2010; Forums. One issue is that the I have a HDD with video and music on that is connected to Proxmox and joined using mount points to multiple LXC containers such as Jellyfin, Sonarr, Radarr etc. I've bind mounted the ZFS pool to a LXC container using this line in the LXC . I I have successfully set up the Nextcloud Turnkey Container. That way, I can bind-mount individual paths to multiple containers, including nextcloud itself. Option 2: Change the way the container's uids/gids are mapped by adding lxc. Naming it data1 The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and I have a few containers running on Proxmox and have a challenge with a Bind mount vs a Samba share. arch: amd64 cores: 1 Once you start running your own LXC containers inside a Proxmox, you might encounter a use case when you need a writable SMB/CIFS share mounted inside your unprivileged container. Therefore for having bind mounts there are two options: 1: The same permissions will apply to all Linux Containers (as they share UIDs/GIDs), e. In your case uid 1197 in the container maps to 101197 on the host and a gid of 1000 in the container maps to 101000 on the host. Retired and read only forums. As I'm a fan of managing Proxmox stuff via a hybrid of web-GUI and If you want to share a partition with more than one container: mount the /dev/sdc1 partition on a directory on the Proxmox host using /etc/fstab (for example /srv/datafolder) and bind-mount the directory to every container (instead of /dev/sdc1) and bind-mount the directory to every container (instead of /dev/sdc1) C. Had it happening in an unimportant container and didn't realize what was happening. entry" format (look up the syntax) instead of “Bind mount” describes how to mount a directory from the host system (Proxmox host) into the LXC container when discussing ZFS with Proxmox LXC containers. Storage backed mount points use the Proxmox storage subsystem. Here is an example of how I have the zfs dataset mount point in the container config: My main reason I like LXC is bind mounting folders from the host. arch: amd64 cores: 1 features: nesting=1,keyctl=1 TL;DR: Well, the problem was when Proxmox boots, it mounts an NFS share from another machine, and I bind mount this folder to my LXC containers. ” However I would like to run those 2 services in 2 different containers, and for twistd to only have access to that public folder in read-only. First, I use multiple LXCs, and each has a bind mount to a single volume so that they can share data. I mount the storage to proxmox host, and the bind mount point to lxc container which runs samba server. Go to the “Resources” tab and click “Add” → “Mount Point. Mount it on your PVE host. I then found this post on how to Partition and format that disk. For all other containers I'm bind mounting ZFS folders without issues. container. By default the id range 0. To be sure, I tried commenting out all five mount points in the conf file. mount. I want to have Samba running in a privileged LXC container rather than directly on proxmox. You aren't allowed to mount these NFS/SMB shares directly inside the unprivileged LXC, but you can mount the SMB/NFS shares on your PVE host and then bind-mount the mountpoints of those mounted SMB/NFS shares from the host into the unprivileged LXC. After looking up every bit I could find, I ended up moving all nextcloud files out from the raw volume to the host and bind-mounting them back. This is naturally not backed up to Proxmox Backup Server so I use proxmox-backup-client to backup up the data storage on file level. If I was to look at doing something like this I'd be more likely to let Proxmox handle all the storage and run my So bind mounts mount a host directory in a container. 65535 in the container is mapped to 100000. I'm on Proxmox 5. for example if your disk is mounted to /mnt/mydisk on your PVE host, you can add something like this in your container config: Code: $ cat /etc/pve/lxc/100. All the 65535 ids is sequentially mapped to Proxmox starting at 100000 (100000 - 165535). Having to edit the configuration of the storage container all the time to add more binds is out of the question (especially is the cap is 32 like I've heard) I'm unable to take snapshots of Linux Containers (the option on the GUI is greyed out), even when there are no apparent bind mounts on the container. Then use bind-mounts to bind-mount folders of it into your different LXCs. idmap", the values are as described in "man lxc. I have already been through that link and mounting regular directories works great, my issue now is that I cannot see the content of the subvolumes inside the mount (in the container). But, I realized recently that Plex is sometimes showing a weird behavior Cookies help us deliver our services. I wanted a simple way to add an external drive that already had data on it and to make that available to containers in Proxmox. I have a Linux container config in /etc/pve/lxc/101. 2 SSD LVM thin storage 3) and the other mount points on a ZFS HDD RAID. Problem: auto-mount & security. Is there a way to mount a directory that lives on a disk on the proxmox host and into a container or VM? What I mean is that I have a directory /mnt/tank/whatever on the proxmox host (ZFS dataset), and I'd like that directory to be accessible at /whatever from within a container or a VM on the proxmox host. Here is Using Bind Mounts in Proxmox. entry is a basic setting and will be ignored by PVE Hi Proxmox, I am new to Promox and trying to learn the command line interface. all the "root-only" checks are currently not handled like regular privilege checks (changing that is what the linked bug is about), but are really checking for the actual and only "root@pam" user. I created two bind mounts So root with UID 0 in the container is UID 100000 on the host. Im Grunde hängt es auch ein wenig daran, dass das Bind-mount in Proxmox noch nicht so in meinen Kopf will. Hi there, Here is my scenario maybe you can suggest a better method or solution. Is this scenario feasible? Bind mounts let you directly map a directory from the Proxmox host into multiple containers without network overhead or extra services. I've run into a bit of a snag with the bind mount for a container. Something line lxc-container-with-bind-mount allow it to do it with # the newinstance option (but, right now, we don't). Dabei hatte ich alle verbundenen Container I have my PVE installed in a minipc, I have a VM with OMV, with a SMB share folder. conf: The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway. So I'm setting up my home NAS currently. yes and no - that articles talks a lot about LXD, which we don't use. conf And everything works fine. We think our community is one of the best thanks to people like you! Understanding bind mount point permissions. So I'm going to datacenter/storage and adding LVM pointing to the volumge group PVE that contains Disk #1. -mpX now supports read-only (pve-container 1. At this point, all working fine, I can read/write data from samba container to the shared storage. . VMs cannot share disks, like you cannot share a physical disk between physical machines. and I try to access the bind mount from container (as root), I get full access. My setup One raidz1 HDD pool One ZFS stripe SSD pool LXC running on SSD and added a bind I am trying to mount a host LVM to multiple unprivileged containers but having little luck. Proxmox VE: Installation and configuration . The user in the container has id 1000:1000, and creates files like so. the default mapping is the same for all containers - so the user with UID 1000 in container A is mapped to the same host We would also really appreciate being able to create snapshots from containers with bind mounts. Proxmox VE 1. you can set idmaps in your containers configuration file in /etc/pve/nodes/NODE/lxc (the config key is "lxc. Every UID/GID in the container is +100000 on the host. Each file that is created inside the container, should have uid=1197 and gid=1000 on the host. Proxmox Virtual Environment. Here is my conf file source (note- it's annoying that the Are there any risks involved in using bind mounted folders in containers and sharing these same folders through samba? Long Version: After using a bare metal Ubuntu for more than 6 years, I decided to use Proxmox and containers and I'm loving it. I would like to bind it to container via json api. The HDD is a directory in ext4. Dec 16, 2022 #3 The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway. So I'm trying to map the ID's but I'm having a hard time following the documentation Hello fellow Proxmox enthusiasts, I want to set up a few LXC containers which need to access network shares (SMB/CIFS). I want to present this share to a unprivileged container, I'm assuming using a bind mount. I have a unprivileged container (101) in proxmox configured with a smb share over a zfs pool (called Nas). The container then starts correctly. While I found guides like Tutorial: I also have many zfs datasets and would like to keep adding more, and unfortunately sharing the parent bind mount doesn't get all of its children go figure. 04. Having a bit of trouble attempting to enable users of a group within a container to write to a bind mount. Using Proxmox The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway. This is my conf file for sonarr, without any uid and gif changes. As soon as I edited the /etc/pve/lxc/101. Just keep the user remapping in mind when bind-mounting with unprivileged LXCs and that the folder then needs to be owned by UID 100034 so this will map to the "backup" user (UID 34) inside the Debian 11 LXC. yqcz mvdfnpz hqhdgsj anjzv jykfm rkpgya jpxl eyxfjm yzxerdmfj jbx azmr mqxila fdhfto uiia zkxr