The command works correctly, but shows this message!

[a198 m198]

Set HDD2 state to StandBy
      0 [main] hdparm 17604 find_fast_cwd: WARNING: Couldn't compute FAST_CWD pointer.  Please report this problem to
the public mailing list cygwin@cygwin.com

hdb:
 issuing standby command
Press any key to continue . . .

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