Although I haven’t actually counted… it seems there to be more “format drive” issues since firmware 2.2.26 - maybe not
NEW - Tablo Firmware Release 2.2.26
For us, ‘bug fixes & performance improvements’ are the laundry list of behind the scenes tweaks that would be gibberish to most people without an advanced understanding of HLS streaming or Linux.
“Linux” …maybe something got tweaked here, some drives may be just that-much-different to cause a headache.