[Q] Android extSd file check? topic

Hey all -
I have a corrupted extSd card and trying to save it if possible. I've tried windows chkdsk etc but it freezes and unmounts while running the check, and from the commandline I get a I/O error timeout. I know it's iffy... but trying to see if I can fix it from the android side.

I found the e2fsck command that I can most easily run from the adb shell / su route, but it's stuck when I do it, so not sure if it's running or (most likely) I'm running it wrong.

What I'm doing is, from a windows command prompt:

Code:

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adb shell
su
e2fsck -fv /extSdCard

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Then it's frozen.

Does it take a long time to run or am I doing it wrong? Thanks!