I am simply trying to copy a new firmware file to a 3560X switch by connecting via SSH and copying it from a tftp server to the flash memory. The process commences, the transfer gets all the way to the end but when it complete, it boots me out of my SSH session and when I log back in, the firmware file is nowhere to be found. I opened a second SSH session and watched the flash and it does build the file as it's uploading, but it disappears when it's complete. I don't get a screen showing that it attempted to verify the file, it seems to happen immediately when the transfer is complete. I'm also logged in as a user with root privileges. There were no log entries out of the ordinary during this time.
I've already done this to over 100 other switches, so I know the process like the back of my hand. I don't know why this one switch is having issues. I did some googling but either didn't know what to search for or no one else has posted about this issue. Any help is greatly appreciated.