badblocks: add page (#1399)

2017-06-11 14:30:40 +01:00 · 2017-06-11 14:30:40 +01:00 · 10e9f9d2af
parent 1d2cbd0f07
commit 10e9f9d2af
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--- a/pages/common/badblocks.md
+++ b/pages/common/badblocks.md
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+# badblocks
+
+> Search a device for bad blocks.
+> Some usages of badblocks can cause destructive actions, such as erasing all the data on a disk, including the partition table.
+
+- Search a disk for bad blocks by using a non-destructive read-only test:
+
+`sudo badblocks {{/dev/sda}}`
+
+- Search an unmounted disk for bad blocks with a non-destructive read-write test:
+
+`sudo badblocks -n {{/dev/sda}}`
+
+- Search an unmounted disk for bad blocks with a destructive write test:
+
+`sudo badblocks -w {{/dev/sda}}`