apache - Amazon EC2 Error or Application Error - swapon: /dev/sda3: read swap header failed -


can tell me error is? amazon ec2 related error?

our application hosted on amazon ec2 , when try hit site getting blank page 503 error.

there nothing unusual other error located on amazon system report.

swapon: /dev/sda3: read swap header failed: invalid argument

mountall: swapon /dev/sda3 449 terminated status 255

mountall: problem activating swap: /dev/sda3

asking remaining processes terminate... 

[80g init: error while reading descriptor: bad file descriptor

init: error while reading descriptor: bad file descriptor

init: error while reading descriptor: bad file descriptor

init: error while reading descriptor: bad file descriptor

its reading disk failure. if using instance storage, should restoring backups. if using ebs volumes, need restore snapshot.


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