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Il try to breake the Synology HA cluster and disable ipv6, then remake the HA and see if Syno enables ipv6 again or not. If it does, then il explore the nfs route. :)

So it is most likely Synology problem and i need to disable ipv6 from there. Problem is current version doesent have "ISCSI Manager". and to make matters more fun, after i made two synology boxes into HA cluster, ipv6 settings were hidden even from simple network interfaces, that got replaced by...

does this help: ls -R /etc/iscsi/send_targets/ /etc/iscsi/send_targets/: 10.150.231.22,3260 10.150.231.30,3260 /etc/iscsi/send_targets/10.150.231.22,3260: iqn.2000-01.com.synology:SynoCluster.default-target.7b76b890333,10.150.231.22,3260,1,default...

ls: cannot access '/var/lib/iscsi/send_targets/': No such file or directory

root@Prox03:~# ip address show 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 2: enp75s0f0...

Did you ever got this solved ?

i added to following conf and rebooted server. when server starts i see the following lines Mar 11 12:52:57 Prox03 iscsiadm[1563]: Logging in to [iface: default, target: iqn.2000-01.com.synology:SynoCluster.default-target.7b76b890333, portal: 10.150.231.30,3260] Mar 11 12:52:57 Prox03...

Hello i made cluster with synology shared storage over iscsi. Problem i am facing is each node in cluster is loggin following syslog messages: Mar 10 00:24:06 Node01 iscsid[1584]: connection-1:0 cannot make a connection to fe80::9209:d0ff:fe3d:adc3:3260 (-1,22) Mar 10 00:24:09 Node01...

Got it working now, many thanks :)

Hello Just installed latest proxmox and when logging in for the first time i noticed that "systemd-timesyncd" status is dead, unit shows as unknown. How to fix that ? Egert

Thats true, quess it depends on what is stored and if backup is made. But the general idea was to use hw raid in general if server already has it anyway and keep other resources (ram,cpu) for virtual machines.

I think il stick to hw raid for the moment and see how it goes, With software raid (ZFS) its using alot of ram and cpu to simulate what hw raid can already do anyway. Currently made raid 5 with 8*8 disks in hw and added them to vm via lvm-thin and voila 50,8TB usable space in windows, that can...

Thanks for explanations. I tried to create proper zfs, made all disks passthrought so proxmox can see them separately. i made raidz (raid5) 8x 8TB drive group with size 58,22TiB, so far so good. But when assigning them to vm i can again assign only 28339G. So its even less than i had with hw...

So i should present disks directly to proxmox and skip hw raid? Dooing so i will also lose idrac disk monitoring functionality. Is there any suggestion if one would like to still use hw raid?

Thats correct i made raid 6 array with 8x8tb drives using dell raid controller. Then i wanted to use that space for vm. Can i do something differently to use most of that space as i could with not virtualized machine? What is suggested disk size to use and what% should left to waste? zpool...

Hello Quick question, i added ZFS disk with size 43.66TiB but when mounting it to virtual machine i can only used 41993G of it, seems like 2714G goes missing somewhere ? Egert

Thanks for the help. I also noticed that when i first did not login then api request cant be made. If request is done automaticaly via monitoring solutions then how does the authentication works and should i make a dedicated user for that ?

Hello Is there possibility to read following entries via API or Snmp for monitoring purposes: Host IO delay, cpu usage, ram usage, hd space(root) usage and swap usage ? Egert

Latency is 2-3ms is that too much for corosync ? Also in event when connection between sites is broken, how can i force one side to still work ?

Hello I could really use some info on cluster setup. i am trying to setup 6 node cluster where 3 nodes will be on location A and other 3 in location B. They have 10G fiber connection. My plan is to have first 3 nodes run vm-s and other 3 serve as backup when location A is offline. When i tested...