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--- computing:storage:disk_in_use [2012/05/03 12:19]
gcooper created
+++ computing:storage:disk_in_use [2015/06/23 16:18] (current)
gcooper
@@ Line 1: / Line 1: @@
 ====== Disk in Use ======
+See also **[[computing:storage:raid_metadata_removal|RAID Metadata Removal]]**
+http://forums.fedoraforum.org/showthread.php?t=242935
+http://diehealthy.org/linux/dmraids-metadata-mdadm
 http://www.sturge.ca/?p=108
@@ Line 5: / Line 11: @@
 http://www.overclockers.com/forums/showthread.php?t=667317
-When preparing a disk or partition for use on Linux, you may see an error such as:
+:!: This commonly occurs after using a drive in BIOS-based RAID or when re-using a drive that was previosly used in the older dmraid-style software RAID.
+===== Possible Error Messages =====
+When using or preparing a disk or partition for use on Linux, you may see an error such as one of these:
 <file>
-/dev/sda1 is apparently in use by the system; will not make a filesystem here!
+/dev/sdxx is apparently in use by the system; will not make a filesystem here!
+Device or resource busy
+mount: /dev/sdxx already mounted or /mount/point busy
 </file>
+===== Determine the Problem =====
   - Check if the filesystem is already mounted
@@ Line 21: / Line 37: @@
     * <file>dmsetup status</file>
     * <file>dmsetup ls</file>
+    * <file>dmraid -r</file>
+===== Fix the Problem =====
+//Carefully// try one of these options based on what you found (in no particular order):
     * <file>dmsetup remove xxxxxxxx</file>
+    * <file>dmraid -r -E</file>
+    * <file>dmraid -r -E -f [pdc,nvidia]</file>
+    * <file>dmraid -r -E /dev/sd[a,b,c...]</file>

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