On Wed, 22 Feb 2023 07:52:11 -0500, Nick Holland wrote: > So...I tried it against disks with mounted file systems and > softraid partitions on them. > > It...seems to work. I did have one laptop with a softraid > encrypted drive that gave a nice, clear "Input/output error", > but I can't reproduce it (maybe it got locked out? Seems > odd on a read, but ...
Sounds like the read was successful on retry, which is certainly something that happens. However, there's no guarantee that what was eventually read is the _correct_ data. Without checksums you can't really tell. > Is this sane? is it safe to attempt to read all the blocks > on an entire 'c' partition of a disk that's doing "other > things" at the same time, including a layers of softraid? Just reading should be fine, it will simply slow down other operations. - todd
