Category Archives: swap

List all “thick” swap files on vSAN


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As some may know, on vSAN by default the swap file is a fully reserved file. This means that if you have a VM with 8GB of memory, vSAN will reserve 16GB capacity in total for it. 16GB? Yes, 16GB as the FTT=1 policy is also applied to it. In vSAN 6.2 we introduced the […]

List all “thick” swap files on vSAN” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.2, 6.5, 6.6, Server, Software Defined, Storage, swap, VMware, vsan, vSphere | Comments

Storage capacity for swap files and TPS disabled


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A while ago (2014) I wrote an article on TPS being disabled by default in future release. (Read KB 2080735 and 2097593 for more info) I described why VMware made this change from a security perspective and what the impact could be. Even today, two years later, I am still getting questions about this and […]

Storage capacity for swap files and TPS disabled” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.0, 6.2, 6.5, cloud, Server, Software Defined, Storage, swap, tps, Virtual SAN, VMware, vsan, vSphere | Comments

I have memory pages swapped, can vSphere unswap them?


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“I have memory pages swapped out to disk, can vSphere swap them back in to memory again” is one of those questions that comes up occasionally. A while back I asked the engineering team why we don’t “swap in” pages when memory contention is lifted. There was no real good answer for it other than it […]

I have memory pages swapped, can vSphere unswap them?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in ESXi, memory, memory management, Server, swap, unswap, vSphere | Comments