User manual - ICP DAS USA

4.2.2 Umount microSD CardBefore you want to pull out the microSD card from the LinPAC-8000, please type thefollowing steps:(1) /etc/init.d/startx stop(2) /etc/init.d/apachect1 stop(3) umount /mnt/hdaThen you can unplug the microSD card safely to prevent the damage to microSD card.4.2.3 Scan and repair microSD CardThe microSD card at boot will be named “ /dev/mmcblk0p1 “. User could be umountmicroSD card first before scan or repair microSD card. blockdev : call block device ioctls from the command lineex. blockdev --report /dev/mmcblk0p1 (print a report for device)blockdev -v --getra --getbz /dev/mmcblk0p1 (get readhead and blocksize) fsck.minix : perform a consistency check for the Linux MINIX filesystemex. fsck.minix -r /dev/mmcblk0p1(performs interactive repairs)fsck.minix -s /dev/mmcblk0p1(outputs super-block information) fsck.vfat : check and repair MS-DOS file systemsex. fsck.vfat -a /dev/mmcblk0p1 (automatically repair the file system)fsck.vfat -l /dev/mmcblk0p1 (list path names of files being processed) mkfs : build a Linux file system on a device, usually a hard disk partition.ex. mkfs -t vfat /dev/mmcblk0p1 (specifies the type of file system to be built)mkfs -c vfat /dev/mmcblk0p1(check the device for bad blocks before building the file system) mkfs.minix : make a MINIX filesystemex. mkfs.minix /dev/mmcblk0p1 (create a Linux MINIX file-system)mkfs.minix -c /dev/mmcblk0p1(check the device for bad blocks before creating the file system) mkfs.vfat : make an MS-DOS filesystemex. mkfs.vfat -A /dev/mmcblk0p1 (use Atari variation of the MS-DOS filesystem)mkfs.vfat -v /dev/mmcblk0p1 (verbose execution)LinPAC-8x4x SDK:17