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# _generals
Slackbot
12/13/2019, 4:00 PMThis message was deleted.
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dready
12/13/2019, 4:04 PM Copy code
virsh list –all
virsh shutdown <CVM-Name>
virsh setmem 8G –config
virsh setmaxmem 8G –config
virsh start <CVM-Name>
virsh list –alldready
12/13/2019, 4:04 PMnot sure how low you can go these days
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Dave Brett
12/13/2019, 4:05 PM8 is about min from my experience
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Tom Nguyen
12/13/2019, 4:06 PMThanks all. dropping to 8 now. fingers crossed
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Leee Jeffries
12/13/2019, 4:32 PMDepends how many vm's you are running.
Leee Jeffries
12/13/2019, 4:33 PMWell, that was my experience. I'm sure 8 will be fine for a small number though, I dropped mine to 12 and it ticked over quite nicely.
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Tom Nguyen
12/13/2019, 4:42 PMthx for the asssist. the command has changed a bit with newer version. here it is:
Tom Nguyen
12/13/2019, 4:42 PM Copy code
root@ahv# virsh setmaxmem cvm_name --config --size ram_gbGiB
root@ahv# virsh setmem cvm_name --config --size ram_gbGiBe
Eric
12/13/2019, 6:16 PM8 GB is too low in my experience, would recommend 12GB, maybe more on latest release
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Leee Jeffries
12/13/2019, 6:24 PM12gb was my sweet spot. Bear in mind Tom, these appliances are serving all storage and replication.
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Kees Baggerman
12/13/2019, 6:34 PMDoesn’t depend on the number of VMs, it depends on the services you want to run :) There’s an excellent CVM sizing doc on our portal
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Leee Jeffries
12/13/2019, 6:42 PMKees , not to contradict at all but.... What does the replication between nodes?
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Kees Baggerman
12/13/2019, 6:43 PMMostly the CVM CPU.. not RAM :)
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Leee Jeffries
12/13/2019, 6:43 PMAaahhh okay. O would have assumed that services would need more ram the more info was needed to replicate. You can school me in January.
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Kees Baggerman
12/13/2019, 6:45 PMIt’s just little nuances, things like dedup/ECX etc would require more RAM as we need that capacity, RF2 or RF3 are mostly coming from CPU.
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Leee Jeffries
12/13/2019, 6:45 PMThanks Kees
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Eric
12/13/2019, 10:26 PMAnother note, keep an eye on the CPU temp, I had to urgently buy some CPU fans for my E200-8D, same for VMW btw