Cloud Backup speed significantly below Speedtest bandwidth
Yeah - sorry - another one of "those threads".
Earlier this year, I got a new ISP line, taking me from 32/5 to 900/200 Mbps. The one area I am not seeing an improvement though is Acronis Cloud, which just seems to limp along.
Tried a few times over the last 2 days on a new backup. Occasionally, Acronis Cloud manages to get up to 7Mbps send rate, I even saw a couple of brief spikes above 10Mbps. But I am not seeing anywhere near the full bandwidth.
My CPU, RAM and disc(s) are not even remotely stressed as the screenshot shows. Second screenshot is of a speedtest taking at same time. I rarely see my workstation hit the full 200Mbps tbh, but that's not a big deal for me.
Given my ISP link seems to have plenty of capacity - logic seems to suggest something downstream must the bottlebeck (I'm in the UK for example and I'd imagine the Acronis servers may be US).
Is there any other throttles or blockages that I can lift in settings? At this stage I'm considering moving to a different cloud service backup and cancelling that part of my Acronis subscription and just keeeping Acronis for local backup.
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BackupNetwkSpeed.PNG | 44.67 Ko |
speetest1.PNG | 47.55 Ko |


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After a certain point, the upload/download speeds have no appreciable impact on backup time. Previously I had a 100/40 connection and about 18 months ago my ISP changed it to 100/50 which appears to have slowed cloud backups a bit, but not by 50%. Upload speed of more than 30 seems to have no incremental impact. I have never had a cloud backup that is reported at more than 26 Mbps. There is considerable local overhead, because of the need to encrypt and decrypt, and accommodate deduplication, and the complexities of running scheduled clean-up due to the combination of deduplication and the incremental nature of the backup process.
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Hello!
It's completely normal for the first backup to the cloud to be slower. To better understand the situation, I recommend referring to our Knowledge Base article: https://kb.acronis.com/content/7963
The speed of your connection to the datacenter where the backup is stored is crucial in this scenario. To check your connection speed, you can visit the website speedtest.net. Change the 'Connections' setting from 'Multi' to 'Single,' and select the server location that matches the location of the cloud storage. To find the physical location of the cloud storage, you can use a GeoIP web service like www.iplocation.net. You can find the datacenter locations in our Knowledge Base: https://kb.acronis.com/content/47189
Compare the read/write speed obtained in the Connection Verification Tool with the Upload/Download Speed from speedtest.net. If the results match, it means that the backup/recovery speed is limited by the available bandwidth from your machine to the specific location.
However, if the values don't match, please don't hesitate to contact our support team. Attach screenshots of those tests, and we will be more than happy to investigate the issue further: https://kb.acronis.com/content/8153
Thank you in advance for your cooperation, and if you have any further questions or need assistance, feel free to let us know. We are here to help
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