We released a new stable version 1.6.15. This is a maintenance release which includes these changes:

• (daemons) fixed "double free" error
• (metarestore) fixed bugs in "REPAIR" and "SNAPSHOT" entries
• (master) fixed bug in "snapshot" command ("mfsmakesnapshot dir dir/" caused master to hung-up)
• (master) preserving atime and mtime during "snapshot" operation (makes "snapshot" to work more like "cp -Rp" than "cp -R")
• (cs) ommit "marked for removal" disks during chunk test loop

Please download MooseFS here.