the purpose is to get the max space and the best performance
is it possible to merge two drives one is hdd and the other is ssd
into one partition using raid 0 ?
and do it provide good performance ?
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Is it possible? Of course, but with a RAID0, you will only use the same size on the HDD as is the SSD, which will usually be smaller.
Will it provide good performance? Obviously not, except in edge cases where you read/write only from a fast stripe on the SSD. The slow stripes will severely impact the performance of the whole array. On average, you might end up with a performance boost, but it will be relatively small, depending on your specific workload.
That being said, there are a number of approaches you can take to actually improve the performance with this set:
- Use the fast disk as cache (including both software and hardware hybrid drives)
- Use it to store the file system metadata
- Use it as part of a more global hierarchical storage architecture.
Sven
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i have installed the os on a ssd but i have remain two drives, one is hdd and the other is ssd. so what would be better : 1- use only hdd. 2- use hdd and ssd (raid 0) ? – Abdelhafidh Belalia Mar 13 '16 at 11:25
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Use SSD and HDD separately is the best option. – Tero Kilkanen Mar 13 '16 at 13:49
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@TeroKilkanen i would like to have one partition – Abdelhafidh Belalia Mar 13 '16 at 16:54