Try reflashing the file system according to:
http://www.juniper.net/techpubs/en_US/junos14.2/topics/task/installation/security-junos-os-tftp-srx-series-device-installing.html
Just have a backup of the configuration as everything on the flash will be deleted.
If this doesn't help, seems the flash memory is dead and you'll need to RMA the SRX.
http://www.juniper.net/techpubs/en_US/junos14.2/topics/task/installation/security-junos-os-tftp-srx-series-device-installing.html
Just have a backup of the configuration as everything on the flash will be deleted.
If this doesn't help, seems the flash memory is dead and you'll need to RMA the SRX.