alexskysilk's latest activity
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Aalexskysilk replied to the thread Proxmox with 48 nodes.A dual socket system with 2x Intel Xeon E5-2690v4 has the potential for 72800 "cpu units" of performance (more with turbo+hyperthreading but lets leave that for now) a dual socket system with 2x Epyc 9575F has the potential for 422400 "cpu units"...
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Aalexskysilk replied to the thread Proxmox with 48 nodes.E5-2690v4 is 14c@2.6GHz, 135W. Epyc 9575F is 64c@3.3GHz, 400W. even if we ignore the MUCH newer process node, WAY faster memory, PCIe generations and just counted each at equal IPC: AMD (64*3300)/400= 528 instructions per watt Intel...
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Aalexskysilk replied to the thread Proxmox with 48 nodes.so your entire purpose for any cluster is "because I can?" doesnt really matter how you configure your clusters for that.
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Aalexskysilk replied to the thread Proxmox with 48 nodes.so before any answer would be applicable... why? what is your use case? Also, 40g for cluster traffic is effectively the same as 10g (same latency.) you should be fine, but depending on the REST of your system architecture its will likely not...
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Aalexskysilk replied to the thread One zfs pool slows down all other zfs pools.Not at all certain your conclusion backs the evidence. How many cores did you assign to the vm generating the job? urandom isnt free.
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Aalexskysilk replied to the thread Shared storage over Fibre-Channel / iSCSI with thin provisioning and snapshots.Stupid question, but have you discussed this with Datacore?
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Aalexskysilk reacted to Maximiliano's post in the thread LVM over shared iSCSI (MSA 2050) – Deleted VMs do not free up space – Any remediation? with
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Hello, please take a look at the following bug report [1]. Therein it is explained that there is a bug in the MSA 2050 firmware: the device reports (via the LBPRZ bit) that after discarding a block reading from it again will return zeroes, but... -
Aalexskysilk replied to the thread LVM over shared iSCSI (MSA 2050) – Deleted VMs do not free up space – Any remediation?.Netapp would like a word.
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Aalexskysilk replied to the thread Dumb CEPH questions.its way too dumb ;) since your crush rule requires an osd on three different nodes, and you have two nodes with excess capacity... the excess capacity is unused. but I think you're going about this the wrong way. What is your REQUIRED usable...
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Aalexskysilk replied to the thread New pve9 node - Storage set up help.Read what it says carefully. pve can use mdadm easily and with full tooling support BUT YOU SHOULDNT. I agree with their assessment ;) There are usecases for it. the converse of my original assertion is that there are cases where you MUST use it...
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Aalexskysilk replied to the thread fc shared storage for all nodes.https://forum.proxmox.com/threads/help-needed-shared-iscsi-storage-for-pve-cluster-multi-node-access.167382/post-777930
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Aalexskysilk replied to the thread New pve9 node - Storage set up help.the "fastest" would be lvm-thick on mdraid10 or directly to individual devices. the thing you need to realize is if the speed is above what you actually NEED you are losing out on other features that may be of much more importance, namely...
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Aalexskysilk replied to the thread LVM over shared iSCSI (MSA 2050) – Deleted VMs do not free up space – Any remediation?.Correct. those are not supported options. Its not a bug. PVE doesnt have a mechanism to "talk" to your storage device. the only way to make sure this doesn't happen is to NOT thin provision your luns on the storage.
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Aalexskysilk replied to the thread it isn't working.@bbgeek17 you're a saint.
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Aalexskysilk replied to the thread Low Budget Proxmox Server.In what sense? the only real "issue" with this generation of cpu is their atrocious performance/watt, not performance in general. Intel's product portfolio is available tall (core speed) and wide (core count) to suit a wide variety of need. More...
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Aalexskysilk replied to the thread Installing doca-ofed on Proxmox 9.0.you have a normal NIC, not a bluefield DPU. you dont need DOCA.
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Aalexskysilk replied to the thread iSCSI multipath with active/active dual-controller SAN.you're right of course- I misspoke (miswrote?) What I mean is one vlan per physical interface on your host.
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Aalexskysilk replied to the thread iSCSI multipath with active/active dual-controller SAN.Any of the paths can be used, but as @bbgeek17 pointed out only one controller will ACTUALLY be serving a given lun, so any traffic pointed to the other controller simply gets handed over the internal communication bus inside your SAN. This is...
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Aalexskysilk replied to the thread TrueNAS Storage Plugin.The problem with that statement is that there are too many variables to consider. When dealing with Truenas, you're dealing with their ZFS stack passing zvols to iscsitgt; this is a known quantity- but the zpool organization, makeup (number/type...
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Aalexskysilk replied to the thread Messed up my hypervisor when attempting to reduce ZFS writes.Lesson for the future: dont mess with your production machine. It probably wont. you just wont be able to access various services depending on the stuff you broke.