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Encrypt a VM on a SSD drive

davidst99
By davidst99
in Storage Devices
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Posted

Hi,

 

I have a Samsung 840 500 EVO and recently bought VMWare Workstation 11 which provides encryption of VMs.   I read that it's not good to encrypt your SSD drive because of excess read and rights but is it ok to encrypt a VM on a SSD drive?   The VM is only about 60GB.   Thanks.

 

David

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Why are you encrypting? I know it may sound cool and all 007 of you to encrypt it but in reality its a pain in the ass. Don't do it and I'm not just saying from the extra read and writes to your SSD (although I believe its rumor, because VM's use so much I/O it won't really matter as it will be writing a boat-load anyway) but from the headache of if something goes wrong it ends up becoming un-readable its not like you're going to break out a decrypter to get your data off of it, if it existed.

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The biggest issue with encrypting your VM is that you're going to have to write all 60GB to your SSD. I wouldn't be too worried about drive life, SSDs are pretty robust, so if you do need to encrypt your data for whatever reason, I'd say go for it.

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Posted

Hi,

 

I have a Samsung 840 500 EVO and recently bought VMWare Workstation 11 which provides encryption of VMs.   I read that it's not good to encrypt your SSD drive because of excess read and rights but is it ok to encrypt a VM on a SSD drive?   The VM is only about 60GB.   Thanks.

 

David

I would get a self-encrypting SSD if you're worried about that.

I do not feel obliged to believe that the same God who has endowed us with sense, reason and intellect has intended us to forgo their use, and by some other means to give us knowledge which we can attain by them. - Galileo Galilei
Build Logs: Tophat (in progress), DNAF | Useful Links: How To: Choosing Your Storage Devices and Configuration, Case Study: RAID Tolerance to Failure, Reducing Single Points of Failure in Redundant Storage , Why Choose an SSD?, ZFS From A to Z (Eric1024), Advanced RAID: Survival Rates, Flashing LSI RAID Cards (alpenwasser), SAN and Storage Networking

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