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hello? Do you know the number of maximum node in proxmox? I did not found this number in the forum either wiki.

This is the test i performed on ringid 0 with history command:

Hi, Our corosync is usually said this and recover after 1 second. may i know how to debug? Test omping in 5 minutes and ok. No packet lost. This is the test on ringid 1, they are also has the same problem with ringid 0. Error of ringid 1 (10.20.30.0/24)

You may look at R1Soft (old name idera). They are the best in my favorite tool, better than veeam. They works as block disk backup (really fast, only backup block change) with encryption AES256. Also, they do support bare metal restore.

Hello, Anyone success config IP, computer, inject user password via cloudbase init? I tried tuning conf few days but no luck to get it works.

if we restart corosync service, will this node update latest version corosync.conf of this cluster and join back? as they has out of date corosync version now. this node: config_version is 36 running cluster: config_version is 37 now. Thanks,

qm list from node17 we could all VM stopped now, maybe no quorum so they can not start. Currently we have shutdown all switch ports of this node except management port for debug access only. Can we avoid split brain VM when we join this node back to cluster? Or what you recommend (safest...

Hi, thanks for your time. No, we have separate dual switch. 2 x 10Gbps with active/passive mode for storage_public_network_access_to_CEPH_external/migration/backup/ring0. We do full backup on weekend. Bandwidth full and saturated then cluster got reboot. And we use a single SG300 for ring1...

i got some sound from log and Google.

I do this because related to this incident master node die, lrm is waiting for agent lock but master node was die so LRM can not get any activity from pve-ha-crm. So i decided to shutdown all node and reboot node19. After node19 booted, we run pve e 1 to get /etc/pve writable. Then i modified...

So are you using spice console on your VM?

Hi Udo, They are running on differences switch. You can see attachment. ring0 network running on bonding 2 x 10Gbps SFP+ ring1 network running on bonding 2 x 1Gbps RJ45. 11 nodes in cluster rebooted at the same time. I see some differences from line 2 and 3 of each node: Some nodes has...

Yes, they are correct and same date time. They are using the same NTP server. I'm still working on it. But we do the test with omping many times (more than 10 minutes) and they are work fine. We do have 2 ring network defined in corosync config (attachment). These setting on separate switch so...

we can write with following command pvecm e 1 i mean the master node in the attachment (seem pve-ha-crm). May i know how much is enough? may we have this formula?

This is the log i got before reboot time (extract from 1 node in cluster).

Hi, Can we find master node in HA of Proxmox from past specific time? Eg: 10h AM on the same date of last month.

Does your backup cron suspend the VM while backup?

Hi, Is there anyway to force join node19 back to cluster?

Hi, My cluster suddenly reboot in the morning and all hardware node become dead, VM can not start, master node dead and LRM services is wait_for_agent_lock. VM status: fence and can not start Firstly, may i know what may lead to this problem? VM can not start due to master dead (attachment)...

Hello, our ring1 network is usually die and auto recover after 1 second. May i know how to fix this problem? Thanks,