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    Ceph RBD in readonly , need twice reboot for VM (QEMU/KVM) to be read and write

    When i stop a VM with ceph (RBD) disk, we need to reboot twice the VM in order to have a file system with read/write. ● mariadb.service - MariaDB 10.3.23 database server Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled) Drop-In...
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    VM (qemu guest agent enabled , and guest up to date) : need move node VM in order to have IP ok

    Did someone encounter this issue , simply moving VM from one node to another solve the issue ?
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    lock out everywhere (can't delete vm or ct) ceph and 6.2 ... ?

    unused0[/B]: unable to apply pending change unused0 : error during cfs-locked 'storage-ceph-rbd-4TB' operation: rbd rm 'base-100-disk-0' error: rbd: error: image still has watchers TASK ERROR: error during cfs-locked 'storage-ceph-rbd-4TB' operation: rbd error: rbd: error opening image...
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    Proxmox : which control panel for webhosting ?

    hello, we have 3 nodes , with 10Gb card , and HDD. Which control panel can you advice us for a webhoster (website mail , sftp, ssh , vps -- lcx ? , app template like softaculous) ? (ispconfig, cloudmin , virtualmin ... ?)
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    LDAP User refresh sync parameter ?

    is there a way to set a refresh time ? (we 're using PMG with action to reject user when not in LDAP user ) The question is when and how to set up this ? It gave me some : 550: 5.1.1 <xxxx@domain.com>: Recipient address rejected: undeliverable address: Recipient address lookup failed...
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    ZFS RAIDZ2 : how to add another disk for extend zpool space ?

    before doing that ... and choosing ZFS (actually RAIDZ2 4 * 1 TB) as file system for my cluster ... i'm really afraid of scalability of ZFS ! i've been working since two year with Ceph (it's very scalable, anb easy to manage : thanks proxmox !!!), i'm trying ZFs (ceph perf. are not very good...
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    ZFS raidz2 ... how to remove device ?

    NAME STATE READ WRITE CKSUM zPool1 DEGRADED 0 0 0 raidz2-0 DEGRADED 0 0 0 12898261183420457887 UNAVAIL 0 0 0 was /dev/disk/by-id/wwn-0x50014ee2b016fa00-part1...
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    Change Host ip management in order to have VLAN tagged on it ?

    Is it possible to do that with WEBGUI ? because if i do what it is in the wiki, it gave me a Type : unknow. But VLAN is working perfectly. But i can't access VM or CT console : Why ? is it normal ? i need to isolate proxmox hypervisor from CT, VM (user network) mut not see hypervisor etc (we...
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    Network traffic between PVE cluster node ?

    must i deploy firewall VM (or lxc) on each Node of the cluster in order to isolate lxc each other ? (like in docker) or pve provide tools for doing that ?
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    Docker / containerd integration in Proxmox : planned ?

    LXc are good (debian ok, but with centos image ... some issue). Do you planned the containerd , docker integration as for lxc in proxmox VE WebGUI ?
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    It is a good network setup : 9 nic (gigabit) ?

    Is it a good setup, 3 questions ... First we have 9 gigabit NIC per node (3 nodes, cluster pve) , is it good for production ? (OSD are 1TB HDD 7200tr/mn, for all we have 18 OSD : is 256 pg is enough or must we stay on 128 ?) - 1 cluster corosync, migration, webgui (pve node) ...
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    perf. issue with LACP (2+3) : ceph poor performance (with powerfull hardware).

    Here is my setup (newly buy) 3 node with x : - bi xeon 3.2Ghz (16 x 2 core) - 90 Go RAM - 6 x 1 To HDD 7200 (ceph osd) + 2x 500 go hdd (ZFS RAID1 proxmox install) - 5 x 1gigabit nic : ceph public (1 nic) and ceph private network (3 gigabit nic in lacp 2+3 , dedicated to ceph storage trafic on...
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    PMG and what else behind ?

    Hello, now we have pmg cluster in dmz. and postfix / dovecot on lan (requesting LDAP server) Do you advice us another solution for backend mail server ?
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    DKIM (Thank u to the team !) but DMARC ?

    hello, How to implement DMARC with PMG ? I put a DMARC record in my DNS TXT record , is it enought ? or must i change something on pmg ? Thank you, Note : always Gmail and Outlook blocking my mail, what the hell !
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    Proxmox gateway can send mail when there is not sender ? why ? and how to block .

    i want that PMG do not send mail when sender is empty , how can i do that ?
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    [SOLVED] Proxmox migration 5 to 6, ok, but Ceph Nautilus perf down, why ?

    Hello, have an happy new years. Upgrade from pve 5 to 6 work flawlessly ... but now , ceph cluster perf. are just awfull . Before 63 MB/s ... now 16 MB/s why ? (test with dd , as recommanded by ceph, under CT , CT IO are extremely slow now .... ) And with Debian stretch to buster migration...
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    Best policy for backup LXC with BorgBackup pull server ?

    Now we backup our LXc server (from one pull borg server) with sshFs remote mount file system, but for big server we need to stop mysql nginx etc , to be sure that we are file and app consistent for strategic data. While using dedicated backup physical network : downtime is increasing :oops...
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    [SOLVED] Is it possible to mount ceph snapshot (for backup with borg)?

    I'm near .... but : #rbd snap ls cephPool1/vm-106-disk-0 ==> SNAPID NAME SIZE TIMESTAMP 32 Backup28102019 32GiB Mon Oct 28 19:46:00 2019 Then #rbd map --read-only cephPool1/vm-106-disk-0@Backup28102019 ==> /dev/rbd3 # rbd showmapped id pool image...
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    [SOLVED] Spam report for user stop working with last update (5.2-7)

    now spam report does not send email to my user. (we use custom report) is it a bug ? where can i debug this. thank you.
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    [SOLVED] email notification not working (PMG relay inside)

    Hello, I setup email in Datacenter \ options But my proxmox node can't send mail to proxmox mail gateway. i test with telnet <ip_proxmoxgatewxay> 26 => and it's ok (can send mail etc for email@example.com without issue) But proxmox can't why ? Note : echo "test from cluster" | mail -s "test"...
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