Part16 Wiping and Imaging Computers. Wiping using a bash script with hdparm скачать в хорошем качестве

Part16 Wiping and Imaging Computers. Wiping using a bash script with hdparm

A simple bash script to erase a disk using hdparm, demonstrating the steps required. Unfreeze the disk when frozen Set a password Use hdparm to use ATA commands to secure-erase or enhanced-secure-erase a disk, and clear the password wipe2a.sh ======== In the script change [CHANGEME] to a greater than sign which is not allowed in youtube!! #!/bin/bash #Use secure erase or enhanced secure erase to wipe a disk DEBUG= DEV=$1 DEV="/dev/sdb" echo "Checking $DEV" lsblk -io TYPE,VENDOR,MODEL,SERIAL,SIZE $DEV | grep -v part HDTEST=`hdparm -I $DEV 2[CHANGEME]&1 | grep "SG_IO: bad/missing sense data" | awk '{print $1}'` if [ $HDTEST ]; then echo "Checking $DEV" echo "disk does not support secure erase" echo "" echo "- might be a RAID volume" echo "- might be an old disc" echo "- might be broken" sleep 2 exit fi LOCK=`hdparm -I $DEV | grep locked | grep -c not` if [ $LOCK == 0 ]; then echo "disk is locked with a password" echo "Unlocking..." echo "hdparm --security-disable password --verbose $DEV" hdparm --security-disable password --verbose $DEV else echo "disk is not Locked" fi DOIT=True while [ "$DOIT" == "True" ]; do FROZEN=`hdparm -I $DEV | grep frozen | grep -c not` if [ $FROZEN == 0 ]; then echo "disk is frozen, System Sleep required" read -p "Continue Y[N]" ANS if [ "$ANS" == "Y" ]; then echo "sleep" rtcwake -u -s 10 -m mem else DOIT= fi else echo "disk is not frozen" DOIT= fi done ENHANCED_ERASE=`hdparm -I $DEV | grep -i enhanced | grep -c not` if [ $ENHANCED_ERASE == 0 ]; then #Inverse logic ERASE_TYPE="Enhanced Secure Erase" ERASE_CMD="security-erase-enhanced" else ERASE_TYPE="Secure Erase" ERASE_CMD="security-erase" fi echo "disk supports $ERASE_TYPE" ERASE_TIME=`hdparm -I $DEV | grep -i "for security erase" | sed -e's/\t/ /g'` echo "disk estimated time to erase:" echo " $ERASE_TIME" if [ $ENHANCED_ERASE == 0 ]; then read -p "use enhanced erase Y[N]" ANS if [ "$ANS" != "Y" ]; then ERASE_TYPE="Secure Erase" ERASE_CMD="security-erase" fi fi echo "Setting password..." hdparm --security-set-pass password $DEV [CHANGEME] /dev/null echo "disk Password set to password" MYTIMEVAR=`date +'%k:%M:%S'` echo "disk $ERASE_TYPE started at $MYTIMEVAR" echo "Standby..." hdparm --$ERASE_CMD password $DEV [CHANGEME] /dev/null if [ $? -eq 0 ]; then MYTIMEVAR=`date +'%k:%M:%S'` echo "disk $ERASE_TYPE finished at $MYTIMEVAR" echo else echo "ER hdparm returned error: $?" echo -e "Erase failed. Check log" fi