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andrei152000 03-02-2018 03:41 PM

SATA faster than SSD ???
I installed vmware ESXi 6.5 on my server, and I tested it with SATA and SSD. I created 2 datastore ( 1 for SATA and 1 for SSD ). I did a writing speedtest on a CentOS VM and the results are:
ON SATA: 377 MB/s
ON SSD: 243 MB/s

How could be possible ?

execorehosting 03-04-2018 06:10 AM

Could be SSHD, could be another SSD, could be a RAID set up. Or it could juist be the size of the write test. hard to say. I assume when you say sata you mean HDD.

Cheapest 03-04-2018 01:52 PM

what number the SSD should be there?

andrei152000 03-04-2018 02:13 PM

I mean HDD.
I used 2xHDD in RAID1 and 2xSSD in RAID1

RWB_Hosting 03-06-2018 01:13 AM


Originally Posted by andrei152000 (Post 228327)
I mean HDD.
I used 2xHDD in RAID1 and 2xSSD in RAID1

What brand is the SSD and what model is your server?

andrei152000 03-06-2018 09:11 AM

Is a HP Generation 6 ( I do not know the model exactly :( )

MikeDVB 03-06-2018 03:02 PM

Not all SSD are created alike. Some perform better than others.

I don't know anything about 'ADATA' but the biggest thing with SSD over SATA is not throughput but seek time / random read/write.

If you're just reading and writing large files sequentially SATA will work fine. If you're serving hundreds or thousands of requests per second and they're all small requests from all over the storage - SSD will win any day of the week hands down.

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