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Hi, I have a 3 node clusters using x3650 m5 servers, and I am running out of disk slots, therefore, last week, I setup a zfs two SDs by using SD adaptor came with the server, SD speed is low but working fine. Today I noticed there some IO delay and slow writing response time on SDs (I guess...

Very nice, "ls -l /dev/disk/by-path/" will solve my question. thanks.

Hi, I have two IT raid cards, one is pci 8, other is pci9, when I am passing through one of card to a vm, how do i know which is which? IOMM number is smaller one I assume is the one on pci8? please kindly advise.

New update: With following steps, I moved an OSD from JBOD card to a IT card without destroy this OSD: a. STOP & OUT OSD#11 from the original node (JBOD card) b. WAIT for rebalancing finish c. move it to a new node (IT card) d. at the new node, run command "ceph-volume lvm activate --all" e...

Just a update. smartctl -i /dev/sda ; fdisk -l /dev/sda ; sfdisk -d /dev/sda = does show all the same output. But, OSD (was on JBOD card) could not be loaded in another node (has a IT card). I have to wipe that OSD and recreate one in another node.

Great @ UdoB, thank you very much. I will try it

Hi, Currently I have a proxmox node, it has a raid card which was setup as JBOD, and I have 2 OSD disks on it. I want to change this raid card to IT card, my question is how to handle my existing two OSD disks? 1. I could, before I swap this raid card, destroy these two OSD disks, and...

Hi, I am using zabbix to monitor ceph, and I am trying to monitor "pool read bandwidth", but I am not sure the number is making any sense. I have a pool that have 12 OSDs (all ssds), my reading is "290314427384832", my questions are: 1. what is unit for this number? bytes/s or bits/s? 2. what...

Hi, I have a 5 node cluster, and running ceph on them, and I have 18 ssd (enterprise ssd) osds. I created a testing pool on it, called "test1283". Zabbix reports [test1283]pool write bandwidth is 16.23 Tbytes (no way this high), and when I ran rados test on this pool (command like "rados -p...

Great, that is what my main concern is. Thanks, I will monitor my guest performance first. thanks again.

Hi, I have a proxmox cluster with 6 nodes, and have ceph running on it with 2 osds at each node. I want to add one extra osd at each node. My question is: After I added an osd, should I wait for the whole ceph rebalanced first, then adding 2nd osd, and so on? Thanks.

Thanks, that is what I did.

Hi, I have a PBS working for over a year now, and I just set up Zabbix to monitor this PBS, and on PBS GUI, there is no failed tasks shows for last 30 days, but in Zabbix items, it shows a failed tasks warning, I know 2 months, there were some failed backups, and I would assume PBS will clear...

Great, thanks.

Hi, I am upgrading my proxmox from 7to8, I think some how I am missing file /ect/apt/sources.list.d/pve-install-repo.list, no sure why? is this important for me to upgrade from 7to8? please advise. thanks in advance. In stead, I have this line "deb http://download.proxmox.com/debian/pve...

I resolved it after taking steps sugguested in following two posts: https://forum.proxmox.com/threads/proxmox-hd-space-is-getting-full.146424/ https://forum.proxmox.com/threads/is-there-any-purge-facility-to-free-up-disk-space.110575/ and rebooting proxmox

Hi, Yesterday I started a vm restore to local-zfs disk, and this morning I found that this node fell out of cluster, and I only can access by ssh. The disk is full, and cause this node hang. This vm is not important, how can I stop the restore, and delete this vm to free up disk space? thanks.

Thanks @ fba. I end up did not use your method. I following two threads and get my issue resolved. https://forum.proxmox.com/threads/how-to-migrate-from-legacy-grub-to-uefi-boot-systemd-boot.120531/...

@ gfngfn256, thanks, I agree with you. But this is my homelab, and I had a lot of monitoring programs installed on this node, if I do a fresh install, I think I will spend a lot of time to reinstall and reconfig. @ fba, thanks. I need some help here. I use Debian live / boot up with rescue...

Thanks @ fba but, when I load debian live, I get "gdisk" not found. anybody has any idea?