ZFS - Re: disk flaws, classic vs. modern

I have a problem that cropped up that spans both old systems and flaw maps / disks that have flaws to skip over and current technology. ... So, I have now got the situation where there is a bad spot in a file (more complicated because this is part of a raid set, but bear with me). If you power cycle the drive set they do a scan of the media with the raid system I'm using (linux based) and hang before releasing it for server operations. That is the only flaw that there was, and I had a brick. Thank heaven I could put it in a desktop system and recover the data (7tb of it). Anyway, have we lost the capability with such as Linux to run with flaws growing on media at the level where transfers from media come from the drive target to the host, or did this vendor of raid equipment (appliance was readynas nv2+) have a flaw in their bringup procedure. I am glad I shopped and got a system with raid 5 support like this with a linux system that I could take out and troubleshoot with any linux tools, rather than hardware raid. Dodged that bullet.

Jim