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 Missing Swap in CentOS 7 KVM Template (6 Replies, Read 1471 times)
cuongvttt@yahoo.com
Group: Member
Post Group: Newbie
Posts: 8
Status:
Hello Support Team,
All KVM virtual machines that I deployed were missing Swap. Is this normal and I have to enable manually inside the virtual machines?
Thank you so much.
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Missing Swap in CentOS 7 KVM Template
jevingala
Group: Virtualizor Team
Post Group: Elite Member
Posts: 438
Status:
Hi,

It should work fine.
You need not require manual changes in vps.
Can you open a ticket so that we can create a test vps and check it.

-----------------------
Regards,
Virtualizor Team.
http://virtualizor.com/
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Missing Swap in CentOS 7 KVM Template
cuongvttt@yahoo.com
Group: Member
Post Group: Newbie
Posts: 8
Status:
Hello Jevingala,

        The swap was created correctly but disabled. Do I miss something out?
I'm going to deploy a new KVM physical node in next week and then I'll let you know, log in and check it out.
Thank you so much and have a good day.
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Missing Swap in CentOS 7 KVM Template
wolke
Group: NOC
Post Group: Elite Member
Posts: 273
Status:
You shouldn´t need swap on modern OS like CentOS7.The guys from cloudlinux have a great article about it and why swap should be avoided:
https://www.cloudlinux.com/cloudlinux-os-blog/entry/how-big-your-swap-partition-to-be
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Missing Swap in CentOS 7 KVM Template
Skhilled
Group: Member
Post Group: Newbie
Posts: 3
Status:
Ok, so why do the docs state it is required before installation? This is what we the users go by and what Virt support expects us to go by.
Is a swap file not required for KVM only or for other installations like OpenVZ 7, LXM, etc. as well?
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Missing Swap in CentOS 7 KVM Template
wolke
Group: NOC
Post Group: Elite Member
Posts: 273
Status:
Swap isn´t required by a special virtualization platform. It is a mechanism to compensate a machine state where you don´t have enough real memory for your computer/VM/VPS.This is OS based and not platform based.
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Missing Swap in CentOS 7 KVM Template
Skhilled
Group: Member
Post Group: Newbie
Posts: 3
Status:
I see now... I've been wasting time partitioning for it and checking it when I didn't really need it all along.
Thanks.
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