Does SWIM erase bootflash if there is not enough free space on bootflash?
A. If the bootflash card does not have enough free space to store the new bootldr image, SWIM erases the bootflash to make room for the new boot image. A verification warning alerts you of the bootflash erase. To see this warning, click the Failure/Warning link in the Status column of the Verify Image Upgrade window. SWIM backs up and restores files on bootflash with sizes of less than 1 MB.