MBR/GPT Tables step takes very long.

[newlined]

First of all I would like to acknowledge how awesome this tool is for imaging and thank the developers for keeping this project alive.

I know similar posts exist, however, I have already tried Kernel 4.15.2, 4.17.00 and it is still taking a long time deleting the MBR/GPT Tables. Our imaging computer has an i7-8700k, 1TB Samsung 960 NVMe and a 10Gbps Card to a 10Gbps Unmanaged Switch.

We usually have to Mass Image the following computers and I will post their times (for MBR/GPT Table deletion), Imaging Time and Specs:

Model 1:
i5 4th Gen
4gb RAM
500GB HDD
Taking around 6 minutes and 30 Seconds.
Imaging Speed it goes up to 6.50 GB/s

Model 2:
i7 4th Gen
8gb RAM
1TB HDD
Taking around 7 minutes and 40 Seconds.
Imaging Speed it goes up to 10 GB/s

Model 3:
i7 6th Gen
8gb RAM
128gb SSD
Taking around 9 minutes and 40 Seconds.
Imaging Speed it goes up to 11.50 GB/s

Model 4:
i7 6th Gen
8gb RAM
256 SSD
Taking around 6 Minutes 30 Seconds
Imaging Speed goes up to 13 GB/s

I would like to know if there is anything else I might need to do to improve the speeds on that MBR/GPT Erasing.

Thank you again.

[Tom Elliott]

The release notes for 1.5.4 show this is known about and a method to fix. The tables are not “stuck” just something is causing them to initialize very slow. Downgrade the kernels to 4.15.2 and this part will be back to normal.

[newlined]

@newlined said in MBR/GPT Tables step takes very long.:

I have already tried Kernel 4.15.2, 4.17.00 and it is still taking a long time deleting the MBR/GPT Tables

[Wayne Workman]

@newlined Are you sure you’ve correctly tried kernel 4.15.2? Have you seen these steps: https://wiki.fogproject.org/wiki/index.php?title=Kernel_Update

[newlined]

Please mark this as solved.

I was replacing the Kernel here /var/www/fog/service/ipxe and it was suppose to be here /var/www/html/fog/service/ipxe.

Kernel 4.15.2 works if it’s installed in the right place. Sorry for wasting your time.