Bean, Am Montag, 23. Juli 2018, 15:25:49 CEST schrieb Bean Huo (beanhuo): > Hi,Richard > Thanks. > it is Async mode ubifs mounted. After random powerloss testing, found that there is one file contains huge zeroes data. > But UBIFS didn't crash and no ECC/CRC error. Well, if the application changed the file while the power-cut happens, such situation can happen on all kind of filesystems. That's why I asked whether the application does the right thing. :) Thanks, //richard