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notes:drive_wipe [2021/06/24 04:33] – blkdiscard force, notes Sean Rhonenotes:drive_wipe [2023/09/09 05:17] (current) Sean Rhone
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-====== Nightwane ======+====== Information ======
  
-===== sda ===== +  Quick-commands to wipe drives and clear EFI variables 
- +  * Notably performs full-drive TRIMs for SSDs ([[https://wiki.archlinux.org/title/Solid_state_drive/Memory_cell_clearing|ArchWiki]]) 
-  If ''119.2G'', is Linux main +  * Useful to perform before OS installations
-  * If ''119.2G'', is SATA SSD +
-  * See [[#sda1]] +
- +
-===== sdb ===== +
- +
-  * If ''931.5G'', is Windows storage +
-  * If ''931.5G'', is SATA HDD +
-  * :!: Do not wipe this +
-  * See [[#sdb1]] +
- +
-===== sdc =====+
  
-  * If ''465.8G'', is Windows main +  * Ideally use [[distros:opensuse_tumbleweed_gnome#xfce|openSUSE Tumbleweed's latest XFCE image]] on LiveUSB due to it having up-to-date tools, a GUI, and USB data persistence ((can copy a command into Terminal and run it on one machine, boot the drive on another machine, and use Terminal history to re-run the command; it's quite convenient :p))
-  * If ''465.8G'', is SATA SSD +
-  * See [[#sdc1]]+
  
-====== Generic ====== +====== Tools ======
- +
-===== Tools =====+
  
 <code>sudo zypper install 'nvme-cli' -y && sync</code> <code>sudo zypper install 'nvme-cli' -y && sync</code>
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 <code>sudo apt install 'nvme-cli' -y && sync</code> <code>sudo apt install 'nvme-cli' -y && sync</code>
  
-<code>sudo dnf install 'hdparm-y && sync</code>+<code>sudo dnf install nvme-cli hdparm -y && sync</code>
  
-===== Suspend/Wake =====+====== Suspend/Wake ======
  
   * Some motherboard firmware lock/freeze drives, and prevents some wipe commands from working   * Some motherboard firmware lock/freeze drives, and prevents some wipe commands from working
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 <code>sync && systemctl suspend</code> <code>sync && systemctl suspend</code>
  
-===== lsblk =====+====== lsblk ======
  
   * :!: **Always** check before running anything   * :!: **Always** check before running anything
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 <code>lsblk</code> <code>lsblk</code>
  
-===== EFI Variables =====+====== EFI Variables ======
  
 **** ****
  
 <code>sudo rm -f '/sys/firmware/efi/efivars/'* || sync && sudo efibootmgr -v</code> <code>sudo rm -f '/sys/firmware/efi/efivars/'* || sync && sudo efibootmgr -v</code>
 +
 +====== Drive Wipe ======
 +
 +===== Notes =====
 +
 +==== 4K Sectors ====
 +
 +  * https://steamcommunity.com/discussions/forum/1/4739473745776804012/?tscn=1641033020#c3203747342915419588
 +  * https://steamcommunity.com/discussions/forum/1/3203745634155479256
 +
 +  * :!: Steam and Oculus were **known** to be broken with 4K sector size on Windows 11
 +  * Steam and Oculus work fine with 4K sector size on Windows 10 LTSC 2021 and Linux
 +  * iTunes possibly fails with 4K sectors due to Bonjour and dnssd.dll ([[https://www.techpowerup.com/forums/threads/setting-4k-sector-size-on-nvme-ssds-does-performance-actually-change.289757/page-3#post-4981622|thread]])
 +
 +  * See [[#sector_size]] to check or switch to available sector disk formats
  
 ===== nvme0 ===== ===== nvme0 =====
  
-<code>sudo blkdiscard --force --verbose '/dev/nvme0n1' && sync && sudo nvme format '/dev/nvme0' --reset --ses='1' --pil='0' --pi='0' --ms='0' && sudo rm -f '/sys/firmware/efi/efivars/'* || sync</code>+  * :!: This is using LBA Format ''1'' for 4K sector size 
 + 
 +<code>sudo blkdiscard --force --verbose '/dev/nvme0n1' && sync && sudo nvme format '/dev/nvme0' --force --namespace-id='1' --lbaf='1' --reset --ses='1' --pil='0' --pi='0' --ms='0' && sudo rm -f '/sys/firmware/efi/efivars/'* || sync</code>
  
 <code>sudo blkdiscard --force --verbose '/dev/nvme0n1' && sync</code> <code>sudo blkdiscard --force --verbose '/dev/nvme0n1' && sync</code>
  
-<code>sudo nvme format '/dev/nvme0' --reset --ses='1' --pil='0' --pi='0' --ms='0' && sync</code>+<code>sudo nvme format '/dev/nvme0' --force --namespace-id='1' --lbaf='1' --reset --ses='1' --pil='0' --pi='0' --ms='0' && sync</code>
  
 <code>sudo wipefs --all --force '/dev/nvme0n1'</code> <code>sudo wipefs --all --force '/dev/nvme0n1'</code>
 +
 +==== LBA 0 ====
 +
 +  * :!: This is using LBA Format ''0'' for 512 sector size
 +
 +<code>sudo blkdiscard --force --verbose '/dev/nvme0n1' && sync && sudo nvme format '/dev/nvme0' --force --namespace-id='1' --lbaf='0' --reset --ses='1' --pil='0' --pi='0' --ms='0' && sudo rm -f '/sys/firmware/efi/efivars/'* || sync</code>
 +
 +<code>sudo nvme format '/dev/nvme0' --force --namespace-id='1' --lbaf='0' --reset --ses='1' --pil='0' --pi='0' --ms='0' && sync</code>
 +
 +===== nvme1 =====
 +
 +  * :!: This is using LBA Format ''0''
 +
 +<code>sudo blkdiscard --force --verbose '/dev/nvme1n1' && sync && sudo nvme format '/dev/nvme1' --force --namespace-id='1' --lbaf='0' --reset --ses='1' --pil='0' --pi='0' --ms='0' && sudo rm -f '/sys/firmware/efi/efivars/'* || sync</code>
 +
 +<code>sudo blkdiscard --force --verbose '/dev/nvme1n1' && sync</code>
 +
 +<code>sudo nvme format '/dev/nvme1' --force --namespace-id='1' --lbaf='0' --reset --ses='1' --pil='0' --pi='0' --ms='0' && sync</code>
 +
 +<code>sudo wipefs --all --force '/dev/nvme1n1'</code>
  
 ===== sda ===== ===== sda =====
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 <code>sudo wipefs --all --force '/dev/sdc'</code> <code>sudo wipefs --all --force '/dev/sdc'</code>
  
-===== sdd =====+====== Sector Size ======
  
-<code>sudo blkdiscard --force --verbose '/dev/sdd' && sync && sudo hdparm --user-master u --security-set-pass 'x' '/dev/sdd' && sudo hdparm --user-master u --security-erase 'x' '/dev/sdd' && sudo hdparm --user-master u --security-set-pass 'x' '/dev/sdd' && sudo hdparm --user-master u --security-erase-enhanced 'x' '/dev/sdd' && sudo rm -f '/sys/firmware/efi/efivars/'* || sync</code>+  * https://community.wd.com/t/sn550-why-it-uses-512b-sector-instead-of-4096/250724 
 +  * https://filers.blogspot.com/2018/12/how-to-format-nvme-drive.html 
 +  * https://wiki.archlinux.org/title/Advanced_Format 
 +  * https://unix.stackexchange.com/questions/562571/switching-hdd-sector-size-to-4096-bytes 
 +  * https://www.thomas-krenn.com/en/wiki/Advanced_Sector_Format_of_Block_Devices
  
-<code>sudo blkdiscard --force --verbose '/dev/sdd&& sync</code>+===== NVMe ===== 
 + 
 +<code>sudo nvme id-ns '/dev/nvme0' --namespace-id='1' --human-readable</code> 
 + 
 +<code>sudo smartctl --all '/dev/nvme0'</code> 
 + 
 +===== sda =====
  
-<code>sudo hdparm --user-master u --security-set-pass 'x' '/dev/sdd' && sudo hdparm --user-master u --security-erase 'x' '/dev/sdd&& sync</code>+<code>sudo smartctl --all '/dev/sda1'</code>
  
-<code>sudo hdparm --user-master u --security-set-pass 'x' '/dev/sdd' && sudo hdparm --user-master u --security-erase-enhanced 'x' '/dev/sdd&& sync</code>+<code>sudo hdparm --set-sector-size '4096' '/dev/sda'</code>
  
-<code>sudo wipefs --all --force '/dev/sdd'</code> 
/var/www/wiki/data/attic/notes/drive_wipe.1624523623.txt.gz · Last modified: 2021/06/24 04:33 by Sean Rhone