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SSD's and ZFS

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farscapesg1

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Curious if anyone else is using SSD drives in a ZFS array for home use? Been running all my VMs on a stripped mirror array of 4 Seagate 750GB drives I salvaged from work. Works fine, but with prices dropping I'm really thinking about replacing them with 240 or 256GB SSDs by the end of the year. Right now I could fit all my VMs on 240GB of drive space. With the improved performance I'm guessing a RAIDZ array of 3 drives would still provide better performance than the old mechanical drives...

My only concerns would be longivity and performance degredation from lack of trim, but nowadays I think most drives will do garbage collection on their own right?
 
I suspect it should work fine, because ZFS detects all types of data corruption. ZFS is more sensitive than SMART. As long as you use raidz1 or raidz2, you should be fine.

Anyone have experience of this?
 
If your machine is often idle, then the garbage collection SHOULD be ok and have time to work. If your machine is contantly active, GC will be more of an issue. While RZ1 would allow you to survive 1 failure (and help in the case of bitrot) a standard R1 will survive 1 drive failure and have the same available space while costing you 1 less drive in $$$$.
 
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