Last night (3/12/2011) I noticed the echolink node acting up. I moved it to a simplex frequency while I fix the issues so it will not affect the day to day repeater use.
If the problem is related to the sound card then the echolink node may be down for a few days since the host computer requires a special type of PCI card due to its 1U size. Nothing else is affected, the RACES nets are still being recorded.
UPDATE: 3/15/2011 1800z
The echolink problem has been fixed. It was not related to hardware, but an update had caused the audio to malfunction.