Mac Os 10Mac Os Software Raid 5 Performance ReviewsMac Os Software DownloadMay 18, 2009 RAID 5/6/50/60, is another story. Hardware can offer solutions (NVRAM & Battery backup) to the write hole issue, assuming it's even available via software RAID (perhaps 5, but I've never seen 6/50/60). Software can't. Some models also offer backup copies of the Partition Tables, which is absolutely come in ha..