Accessing raw devices returned "Device or resource busy"
Issue
- Accessing raw device returned "Device or Resource busy" but reading the underlying device worked well.
# dd if=/dev/cciss/c0d2p1 of=/dev/null bs=4k count=1k
1024+0 records in
1024+0 records out
4194304 bytes (4.2 MB) copied, 0.046056 seconds, 91.1 MB/s
# /bin/raw /dev/raw/raw30 /dev/cciss/c0d2p1
/dev/raw/raw30: bound to major 104, minor 33
# dd if=/dev/raw/raw30 of=/dev/null bs=4k count=1k
dd: opening `/dev/raw/raw30': Device or resource busy
Environment
- Red Hat Enterprise Linux 5.7
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Close
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.