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I took the risk, having everything backed up, I restarted corosync on all nodes, now everything works fine with the new IP. systemctl restart corosync pvecm status Cluster information ------------------- Name: Flex Config Version: 17 Transport: knet Secure auth: on...

Thanks Fabian. I used "pvecm expected 1" now I can to edit or modify the corosync.conf file, besides I can Open the web console, for Node 1. But it is still out of the cluster. The status show that Node 1 the new IP 10.111.111.131, the other nodes still using the OLD IP 172.27.111.x (but the...

Still can not recover the Node 1, the corosync.conf file is changed in all nodes, including Node 1, and I cant restore the old configuration, access denied, I don't know what will happen if I restart any node. Please any hint of what to do is wellcome

I have for some time a cluster running the default installation with 7 nodes. I've follow the procedure in https://pve.proxmox.com/pve-docs/pve-admin-guide.html#pvecm_redundancy. After that I lost Qyurum in node 1, ¿How can I recover it? And move corosync from 172.27.111.131-137 to a new...

Hi, Currently we are using Office 365 for our users email, but we have some web applications, like CRM, WordPress and other that requires an SMTP server for sending and filtering outgoing mail from these applications. Is PMG a good solution for this environment? Thanks for tour comments. Alfredo

Dominic, Thanks for your comments I've configured the network with four independent networks, as shown bellow. So now, how can I force that traffic will use the right network. How can be sure that cluster will use the clsuter network, storage use it's corresponding interface, and so on, I've...

Hi, We received a second handed rack, with the following: 3 Servers with 12x600GB 64GBRam 4x10GB NIC x CEPH+VM 2 servers with 3x300GB 320GBRam 4x10GB NIC X VM 1 server with 6x4TB 64GBRam 4x1GB NIC X FREENAS (BACKUP) 2 DLINK DL1210 12X10GB 1 CISCO 4980E-F My question is, how must In configure...

Sorry but I'm a little confused with the network configuration, my network is as show bellow, Bond0 is a gigabit and bond0 is infiniband with 40GB interfaces and I'm trying that storage communicate trough infiniband (bond0) interfaces auto lo iface lo inet loopback iface eno3 inet manual iface...

Many Thanks for your answer, I configured the CEPH from GUI, and the ceph.conf is as show bellow. ceph.conf [global] auth client required = cephx auth cluster required = cephx auth service required = cephx cluster network = 172.27.111.0/24 fsid =...

Hi, I've configured a 3 server CEPH cluster, using INFINIBAND/IPOIB with a "iperf" of 20GBS, but rados test perform as 1GB, how can I force CEPH traffic to use the INFINIBAND network?

I've both cases, but for me is very dangerous situation, better use SCSI, not virtio as disk

Never use virtio over NFS and qcow2, is very bad idea, go out of there, if you make an online buckup you can lost you VM, It happened to me, three times untill I found this problem.

Thanks for your Help, I'll reinstall everything and try your network configuraton.

Regarding Netwoking, how can I ensure that storage traffic is using Infiniband and Not 1Gb lan? This is my network configuration: auto bond0 (infiniband) iface bond0 inet static address 192.168.111.111 netmask 255.255.255.0 slaves ib0 ib1 bond_miimon 100 bond_mode...

Alwin, Many thanks for your comments, I've received this complete system as is, I thought it will not work with Proxmox, but surpringly for me is working. 1.- I've researched and found the SSD PCIe flash cards ar the "SUN FLASH ACCELERATOR F40 PCIe CARD" tha is an "LSI Nytro warpdrive" with...

- Two weeks ago I received a second handed Exadata X3-2 with: Two Processing servers (Oracle Database Server) 2 x Eight-Core Intel® Xeon® E5-2690 Processors (2.9 GHz) 256GB Memory 2 Infiniband 40gbs 4 x 10GB ethernet Three Storage Servers (Exadata Storage Servers) 2 x Eight-Core Intel®...

Thanks it woks

I think the disk is marked as LVM because in the installation process I made a mistake and use this disk for OS install, laterI reboot and use the right disk /dev/sdb.

Hi, I'm building an CEPH cluster with Proxmox 5.1, this is a new system just intalled, I'm adding disks to OSD, but for a reason I don't know there is one disk that is marked as LVM in USAGE column, so I cant add it to CEPH OSD. How can I free this disk from LVM? Thanks

I never recovered my corrupted VM, but now I know what's happened. Never, Never use NFS and Snapshots, this could corrupt your VM and you will not noticed it until you reboot the VM, in my case the VM was running for 6 month until a reboot, and all backups we did were corrupted as the Running...