What does errno 49 (EDQUOT) in Solaris mean?

EDQUOT

Filesystem quota exhaustion

EDQUOT is Solaris errno 49 (Disc quota exceeded). A Solaris UFS-style disk-block or inode quota was exhausted.

Quota exhaustion is independent of free blocks reported for the filesystem as a whole. Check the affected user or group quota, both block and inode usage, and whether delayed cleanup or snapshots keep usage charged after files were removed.

What to check

• Check both block quota and inode quota for the user or project.
• Compare with ENOSPC, which indicates general free-space exhaustion rather than quota enforcement.
• The failing operation may be write, mkdir, symlink creation, or directory-entry creation.

References

• Oracle Solaris intro(2): error numbers
• illumos errno.h definitions
• POSIX errno.h