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gurubert reacted to Johannes S's post in the thread Pardon my less-than-intelligent question, but is there a way to install Proxmox on a Ceph cluster? with
Like.
Although they were about replicated pools (so no ec) following reads might serve as a hint why (outside of experiments/lab setups) it's not a good idea to go against the recommendations... -
fireon replied to the thread Proxmox 6 mpt3sas Debian Bug ICO Report 926202 with Loaded Controller.I also have the same error here under kernel 6.17. But the strange thing is that it does not happen under ZFS. I also tested other file systems: Ext4, LVM, XFS, BTRFS. The controller crashes with all of them. If you are not using ZFS, the only... -
JJohannes S replied to the thread Pardon my less-than-intelligent question, but is there a way to install Proxmox on a Ceph cluster?.Although they were about replicated pools (so no ec) following reads might serve as a hint why (outside of experiments/lab setups) it's not a good idea to go against the recommendations...
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JJohannes S reacted to gurubert's post in the thread Pardon my less-than-intelligent question, but is there a way to install Proxmox on a Ceph cluster? with Like.
With size=min_size you cannot lose any OSDs without losing write access to the affected objects. And it has nothing to do with number of nodes or number of OSDs.
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JJohannes S reacted to gurubert's post in the thread Pardon my less-than-intelligent question, but is there a way to install Proxmox on a Ceph cluster? with Like.
This is not recommended and certainly not HA. With m=1 you cannot loose a single disk. An erasure coded pool should have size=k+m and min_size=k+1 settings which would be size=3 and min_size=3 in your case.
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JJohannes S reacted to gurubert's post in the thread Pardon my less-than-intelligent question, but is there a way to install Proxmox on a Ceph cluster? with Like.
No no no. You got your math wrong. To achieve the same availability as EC with k=6 and m=2 you need triple replication (three copies) meaning a storage efficiency of 33%. It is rarely necessary to go beyond 4 copies.
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BAlles klar, ich warte ab. Kann dauern ;-) danke
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gurubert replied to the thread Pardon my less-than-intelligent question, but is there a way to install Proxmox on a Ceph cluster?.With size=min_size you cannot lose any OSDs without losing write access to the affected objects. And it has nothing to do with number of nodes or number of OSDs.
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Aalpha754293 replied to the thread Pardon my less-than-intelligent question, but is there a way to install Proxmox on a Ceph cluster?.But I've got that with my three nodes, no? k = 2 m = 1 size=2+1 = 3 (which is what I have) min_size = k + 1 = 2 + 1 = 3 (which I have three nodes). So, I am struggling a little bit, in trying to understanding how size = min_size = 3 in my...
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gurubert replied to the thread Pardon my less-than-intelligent question, but is there a way to install Proxmox on a Ceph cluster?.Yes. In erasure coded pools with m=2 you can lose 2 OSDs for one PG at the same time without losing data. The same can be achieved in replicated pools with size=3. You can lose 2 OSDs for a PG without losing its data.
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Aalpha754293 replied to the thread Pardon my less-than-intelligent question, but is there a way to install Proxmox on a Ceph cluster?.Can you show me your math so that I can learn from it? Is the need for triple replication because it's m=2? I would like to learn how to arrived at this conclusion if you can expand a little further on how you are doing the math that leads you...
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Stoiko Ivanov replied to the thread Final Delivery Status.the first status `accepted` says that PMG has accepted the mail for delivering it to the next server (instead of blocking it, adding it to quarantine, rejecting it in postscreen) - the second status `delivered` says that PMG sent the mail to the... -
Shouldn't it be "nomodeset"? -
Ttcnewone posted the thread What Object mit spezifischem Header-Wert in Proxmox Mail Gateway (Deutsch/German).Hallo, ist es möglich, ein What Object anzulegen, welches auf einen spezifischen SA-Hit - also z.B. DKIM_INVALID = Wert oder URIBL_GREY = Wert - reagiert? Viele Grüße, Thomas
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CChecole replied to the thread Final Delivery Status.Thanks for your answer. I’d like to follow up because this distinction matters greatly to me when considering whether to use an enterprise/support subscription or only the free open-source PMG. In the official documentation it clearly describes...
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SSunilkumar replied to the thread Proxmox SDN Traffic breakout Interface and routing.Thank you for the information
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Mm.j replied to the thread ReadyMade VM Templates.Working off the previous answer, here is a guide on how to work with cloud-init images: https://www.thomas-krenn.com/en/wiki/Cloud_Init_Templates_in_Proxmox_VE_-_Quickstart .
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dakralex replied to the thread [SOLVED] PVE 9.1.5: Linux VM Freeze Randomly.I don't know IPfire itself, but are there any logs within the VMs themselves? As their website states that they are based on Linux, the VMs own syslog or other logs could give some hint what the reason for the freezes are. 4 GiB seems good... -
PPartitionPrankster replied to the thread LAG / VLAN on node setup.This is part of my first-boot script that detects network interfaces and forms them into a bond. For me, it's not an 802.3ad, but by adjusting some parameters, you should be able to get that too: # Set network configuration - BEGIN...
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fiona replied to the thread Snapshot causes VM to become unresponsive..Good to hear! Did you use snapshot-as-volume-chain or something else? Why? It's not like I'd write something there that I wouldn't also write in the public forum.