Posted on March 18, 2019 10:41 pm
 |  Asked by Brian Jankovich
 |  107 views
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Hello,
I’ve recently acquired an Arista 1u switch that does not have an operating system. I do see a 4Gb /dev/sda disk in the system but there are no partitions on it. What steps need to be taken to get a partition on the disk again and operating system loaded to it?

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Posted by Upasana Dangi
Answered on March 18, 2019 10:58 pm

Hi Brian.

Thanks for reaching out. Could you paste the outputs of “bash df -h” and “ls -ltra /mnt/flash/” here.

The EOS image should be copied to the /mnt/flash drive if you are loading the EOS from the switch.

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Posted by Harold Hall
Answered on March 21, 2019 10:02 pm

Boot into Aboot then use fdisk and mkfs.vfat

Specifically use fdisk on /dev/sda to create a DOS disklabel and a new primary partition 1 across the entire disk, make it bootable, and write the new partitions to the disk.
Then use mkfs.vfat on the new /dev/sda1 to create a filesystem.

At that point you can load an EOS image via the network or a usb stick and boot it with:
Aboot# cd; boot /mnt/driveWithEos/EOS.swi

Now that you have a system that can boot into EOS, there are some configuration files that you probably need and hopefully Upasana Dangi, above, can help you with that.

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