BSL Update Event Error

  • Last Post 25 August 2022
Terry Dunbar posted this 22 August 2022

What is the subject disk error on a NS4300N? What is BSL?

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R P posted this 22 August 2022

Hi Terry,

BSL is Bad Sector Log, it means there is a bad sector on the disk. In later Promise firmware they are referred to as Bad Blocks.

One or even a few bad sectors is not a problem, but if they keep increasing, then the disk should probably be replaced, especially if it's a very old disk, disk failure is likely.

Terry Dunbar posted this 25 August 2022

Thanks, R P