errno 15 (ENOTBLK) in Solaris: meaning and diagnosis

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: Solaris expected a block-special device, usually in a mount or device-management path.

Could be also:
Constant	Type	OS
ERROR_INVALID_DRIVE	Win32 error	Windows
KERN_INVALID_NAME	Kern return	Mac
ippStsLSFLowAndHigh	Intel Ipp Status	Any
ENOTBLK	errno	Linux
ENOTBLK	errno	Mac
SPIN_LOCK_ALREADY_OWNED	BugCheck Code	Windows

Previous	Next
ENOTBLK	EBUSY

ENOTBLK

Block-special device requirement

ENOTBLK is Solaris errno 15 (Block device required). Solaris expected a block-special device, usually in a mount or device-management path.

Confirm the resolved device node type with filesystem metadata before changing mount arguments. A character device, regular file, or stale path can exist and be accessible while still failing an operation that specifically requires a block device.

What to check

Verify that the pathname names a block device rather than a regular file, character device, directory, or symlink to the wrong object.
For mount-style failures, compare the device node, filesystem type, and privileges used by the caller.
Do not treat this as a media I/O failure; it is usually an object-type mismatch.

References

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