Backup worker's disk usage is about 50 MB/s but there is no speed indicator in the TI backup GUI
Hi, so there is high disk usage in the task manager:
But no indication of speed in the True Image GUI:
I've set the compression rate to Max.
Does this particular state (high disk usage in task manager, no speed in GUI) indicate that the backup is currently compressing files and not writing them to the external backup HDD?
Later it showed like this:
So, I presume, it's TI writing the backup data to the drive?
Acronis Protection is temporarily turned off, as I read it slowed down backing up on TI 2021.
Antivirus (ESET NOD32) is also temporarily turned off.
How do I speed up the backup? It's incremental, but the full one was a lot faster, up to 300 Mbps, whereas this incremental one tops at like 8-10 Mbps, oftentimes being around 500 Kbps, it's unbearable.
Should I just do the full backup always or what?
The application when performing a subsequent backup to the initial Full backup at first analyzes the data on disk and assesses the amount of data that has changed. Once that process completes the application creates a snapshot of the data to be backed up. Once that completes the application then writes the changed data to disk. As the write cycle progresses the application displays and estimate of the amount of data backed up and the average time consumed to perform all of the processing and writing from the beginning to present time.
Max compression does not improve space requirements unless data is in large contiguous space and fully compressible, in general the Normal compression setting is advisable.
A Full backup will run at the block level and will always be faster than an incremental or differential version.
Using maximum compression will trigger higher CPU usage and potentially slow down the backup operation as more processing is required to try to achieve the requested compression of data.
With the size and cost of larger disk drives it is not really worth using maximum compression for the small size saving that can be achieve.
I personally leave the default compression setting which should achieve around 20% saving on size while not extending the time needed for the task to complete but this will also depend on the system where Acronis is operating. If you have an older, low powered system, then not using any compression could help.
If your backup source is around 1.5TB then my recommendation would be to use multiple different backup tasks and split this source data into smaller amounts.
For my own system, I keep all the OS and installed programs on my C: drive and backup this as one source task, I keep other data in one or more further drives or partitions, with separate backup tasks for that other source data. This reduces both the size of data being processed but also allows different backup schedules to be applied according to the degree & frequency of change that is happening on the system.
Thank you all for suggestions! I dialed down the compression to Normal and I split the backup into two -- I backup my system SSD and my data HDD separately. Will monitor the subsequent incremental backups' speeds.