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發表者： 冷日 發表時間： 2017/6/27 5:16:30
How to mount and unmount hard drives under Windows (the unix way)
On my work computer I have two USB hard drives that I use rarely. They have a power save mode that sends them into sleep after a couple of minutes of them being idle.
Whenever I open a context menu on a file, the drives are woken up (most likely caused by the "send to" handler). So I eject the drive, but I can't find a way to get it back, other than unplugging and replugging it in.
Is there a way to unmount the drives, and then remount them only when I actually need them? (On Windows 7 Ultimate.)
Remove the drive letters using mountvol or diskmgmt.msc. Without a drive letter, they won't appear under Computer or Send To.
Using /p will actually dismount the device. On older Windows versions, you only have /d, which only unassigns the drive letter, but keeps the volume mounted.
Reassign when needed, using the volume ID printed by mountvol:
You can also mount the volume on an empty folder (Unix style) using the same tools:
All these operations require Administrator privileges.
(In fact, you might even be able to directly use the volume ID in your backup scripts, without having to mount it anywhere. For example, \\?\Volume{1be3da43-6602-11e0-b9e6-f11e1c50f5b5}\projects instead of Q:\projects.)
Use DISKPART to set your disk offline
It will stay offline even after a restart or a new power on
Use DISKPART to set it back online
This can be done in scripts
command file to put disk 2 offline:
command file to put disk 2 online:
Execute as administrator
原文出處：How to mount and unmount hard drives under Windows (the unix way) - Super User
On my work computer I have two USB hard drives that I use rarely. They have a power save mode that sends them into sleep after a couple of minutes of them being idle.
Whenever I open a context menu on a file, the drives are woken up (most likely caused by the "send to" handler). So I eject the drive, but I can't find a way to get it back, other than unplugging and replugging it in.
Is there a way to unmount the drives, and then remount them only when I actually need them? (On Windows 7 Ultimate.)
Remove the drive letters using mountvol or diskmgmt.msc. Without a drive letter, they won't appear under Computer or Send To.
mountvol Q: /p
Using /p will actually dismount the device. On older Windows versions, you only have /d, which only unassigns the drive letter, but keeps the volume mounted.
Reassign when needed, using the volume ID printed by mountvol:
mountvol Q: \\?\Volume{1be3da43-6602-11e0-b9e6-f11e1c50f5b5}\
You can also mount the volume on an empty folder (Unix style) using the same tools:
mkdir C:\fs\backup-disk
mountvol C:\fs\backup-disk \\?\Volume{1be3da43-6602-11e0-b9e6-f11e1c50f5b5}\
All these operations require Administrator privileges.
(In fact, you might even be able to directly use the volume ID in your backup scripts, without having to mount it anywhere. For example, \\?\Volume{1be3da43-6602-11e0-b9e6-f11e1c50f5b5}\projects instead of Q:\projects.)
Use DISKPART to set your disk offline
It will stay offline even after a restart or a new power on
Use DISKPART to set it back online
This can be done in scripts
command file to put disk 2 offline:
Offline.cmd
echo list disk > c:\windows\temp\namexxxx.none
echo select disk 2 >> c:\windows\temp\namexxxx.none
echo offline disk >> c:\windows\temp\namexxxx.none
echo exit >> c:\windows\temp\namexxxx.none
diskpart /s c:\windows\temp\namexxxx.none
erase c:\windows\temp\namexxxx.none
pause
command file to put disk 2 online:
Online.cmd
.
echo select disk 2 ........
echo online disk ......
.
Execute as administrator
原文出處：How to mount and unmount hard drives under Windows (the unix way) - Super User