패키지 설치
sudo apt install pm-utils hibernate/swapfile 확인.
cat /proc/swaps
Filename Type Size Used Priority
/swapfile file 2097148 0 -2UUID 확인
findmnt -no UUID -T /swapfile
5c0028fe-edc4-4b17-93d0-b78fda1f83b8여기서 UUID 기록.
오프셋 확인
sudo filefrag -v /swapfile
Filesystem type is: ef53
File size of /swapfile is 2147483648 (524288 blocks of 4096 bytes)
ext: logical_offset: physical_offset: length: expected: flags:
0: 0.. 32767: 34816.. 67583: 32768:
1: 32768.. 63487: 67584.. 98303: 30720:
2: 63488.. 96255: 100352.. 133119: 32768: 98304:
3: 96256.. 126975: 133120.. 163839: 30720:
4: 126976.. 159743: 165888.. 198655: 32768: 163840:
5: 159744.. 190463: 198656.. 229375: 30720:
6: 190464.. 223231: 231424.. 264191: 32768: 229376:
7: 223232.. 253951: 264192.. 294911: 30720:
8: 253952.. 286719: 296960.. 329727: 32768: 294912:
9: 286720.. 319487: 329728.. 362495: 32768:
10: 319488.. 352255: 362496.. 395263: 32768:
11: 352256.. 385023: 395264.. 428031: 32768:
12: 385024.. 417791: 428032.. 460799: 32768:
13: 417792.. 450559: 460800.. 493567: 32768:
14: 450560.. 481279: 493568.. 524287: 30720:
15: 481280.. 514047: 557056.. 589823: 32768: 524288:
16: 514048.. 524287: 589824.. 600063: 10240: last,eof여기서 physical_offset: 의 처음인 34816을 기록.
/etc/default/grub 파일 수정
아래 예시처럼 변경.
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=UUID=5c0028fe-edc4-4b17-93d0-b78fda1f83b8 resume_offset=34816"
GRUB 업데이트
sudo update-grub/etc/initramfs-tools/conf.d/resume 파일 생성
내용은 아래처럼.
RESUME=UUID=5c0028fe-edc4-4b17-93d0-b78fda1f83b8 resume_offset=34816
initramfs 재생성
sudo update-initramfs -c -k all재부팅 후, hibernation 확인
sudo systemctl hibernate