test WP



When I connect laptop drives using a USB enclosure, I'm getting system
messages as follows:

Jun 18 11:20:18 linus kernel: sda: test WP failed, assume Write Enabled
Jun 18 11:20:18 linus kernel: sda: assuming drive cache: write through

This happens on three drives from 3 different manufacturers. What does
it mean?

Bob T.
.



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