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Online.net IO SSD Speed
Hello Guys.
Am owning a Dedibox SC SSD 2016 from online.net and today tested the IO and this is what I get:
[root@tpt ~]# dd if=/dev/zero of=/root/testfile bs=1G count=1 oflag=direct
1+0 records in
1+0 records out
1073741824 bytes (1.1 GB) copied, 24.8319 s, 43.2 MB/s
[root@tpt ~]#
Is this ok for SSD?
Comments
Not sure how to respond apart from this is my 'limited 33xx' with a slow 7200rpm laptop HDD
1+0 records in
1+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 8.65567 s, 124 MB/s
This is what my oldest server with a normal spinnng disk reports:
So, no. This seems not okay for SSD. ;-/
Although trhere is one variable - just how full is this SSD?
And what does
say?
Why are you using a 1G blocksize?
Same command on a Dedibox XC SSD:
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 4.52121 s, 237 MB/sNot the very best, but fine I guess.
the speed for SSD hard drive is too slow, you do get 150+ MB/s (depends on setup)
Ok thanks. I have already contacted online.net
MB/s on sequential write is not a valid test of whether a drive is good or not. IOPS is far more telling, and the most important factor of all is: Is this causing problems for your particular applications? Do your applications require writing large blocks of 200+MB/s of data to disk constantly?
DD test porn is cool, but that's all it is.
maybe try:
dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync; rm testthis is clearly a "diamond disk", which reminds me the couple dollar LIFE-TIME vps.