ΠΠ·ΠΌΠ΅Π½ΠΈΠΌ ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ Π·Π°ΡΠ΅Π·Π΅ΡΠ²ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
Π±Π»ΠΎΠΊΠΎΠ² ΡΠ°ΠΉΠ»ΠΎΠ²ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ.
ΠΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ Π·Π°ΡΠ΅Π·Π΅ΡΠ²ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ Π±Π»ΠΎΠΊΠΎΠ² ΡΠ°ΠΉΠ»ΠΎΠ²ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ ΠΏΠΎ ΡΠΌΠΎΠ»ΡΠ°Π½ΠΈΡ
ΠΠΎΠΊΠ°ΠΆΠ΅ΠΌ ΡΠ΅ΠΊΡΡΠΈΠ΅ Π·Π½Π°ΡΠ΅Π½ΠΈΡ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ² ΡΠ°ΠΉΠ»ΠΎΠ²ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ.
$ sudo tune2fs -l /dev/sda3 tune2fs 1.44.1 (24-Mar-2018) Filesystem volume name: Last mounted on: / Filesystem UUID: 0db04d02-6e6b-491d-a13e-f1e00c9a8cd1 Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum Filesystem flags: signed_directory_hash Default mount options: user_xattr acl Filesystem state: clean Errors behavior: Continue Filesystem OS type: Linux Inode count: 15491072 Block count: 61932544 Reserved block count: 3096627 Free blocks: 12697518 Free inodes: 13987896 First block: 0 Block size: 4096 Fragment size: 4096 Group descriptor size: 64 Reserved GDT blocks: 1024 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 8192 Inode blocks per group: 512 Flex block group size: 16 Filesystem created: Thu Jun 14 20:04:09 2018 Last mount time: Wed Sep 18 00:10:49 2019 Last write time: Wed Sep 18 00:10:48 2019 Mount count: 25 Maximum mount count: -1 Last checked: Thu Jun 14 20:04:09 2018 Check interval: 0 () Lifetime writes: 4091 GB Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 256 Required extra isize: 32 Desired extra isize: 32 Journal inode: 8 First orphan inode: 7602256 Default directory hash: half_md4 Directory Hash Seed: b2be8da3-dcad-4029-b282-05c63e4890ab Journal backup: inode blocks Checksum type: crc32c Checksum: 0xcc7e4256
ΠΡΠ° ΡΠ°ΠΉΠ»ΠΎΠ²Π°Ρ ΡΠΈΡΡΠ΅ΠΌΠ° ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅Ρ ΡΠ°Π·ΠΌΠ΅Ρ Π±Π»ΠΎΠΊΠ° 4096, ΠΎΠ½Π° ΠΈΠΌΠ΅Π΅Ρ 61932544 Π±Π»ΠΎΠΊΠΎΠ², Π² ΡΠΎΠΌ ΡΠΈΡΠ»Π΅ 3096627 Π·Π°ΡΠ΅Π·Π΅ΡΠ²ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ .
ΠΡΡΠ΅Ρ ΠΎΠ± ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠΈ Π΄ΠΈΡΠΊΠΎΠ²ΠΎΠ³ΠΎ ΠΏΡΠΎΡΡΡΠ°Π½ΡΡΠ²Π° ΡΠ°ΠΉΠ»ΠΎΠ²ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ Π±ΡΠ΄Π΅Ρ Π½Π΅ΠΌΠ½ΠΎΠ³ΠΎ ΠΎΡΠ»ΠΈΡΠ°ΡΡΡΡ, Π½ΠΎ Π½Π΅ ΠΎ ΡΠ΅ΠΌ Π±Π΅ΡΠΏΠΎΠΊΠΎΠΈΡΡΡΡ, ΠΏΠΎΡΠΊΠΎΠ»ΡΠΊΡ ΡΠΈΡΡΠ΅ΠΌΠ° ΡΡΠΈΡΡΠ²Π°Π΅Ρ Π±Π»ΠΎΠΊΠΈ, ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΠΌΡΠ΅ Π±Π»ΠΎΠΊΠ°ΠΌΠΈ Π»ΠΎΠ³ΠΎΠ² ΠΈ inode.
$ df --block-size=4K / Filesystem Type 4K-blocks Used Available Use% Mounted on /dev/sda3 ext4 60697961 44235478 13361760 77% /
$ df --human-readable / Filesystem Type Size Used Avail Use% Mounted on /dev/sda3 ext4 232G 169G 53G 77% /
ΠΠΎ ΡΠΌΠΎΠ»ΡΠ°Π½ΠΈΡ ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ Π·Π°ΡΠ΅Π·Π΅ΡΠ²ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ Π±Π»ΠΎΠΊΠΎΠ² ΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ Π½Π° 5%.
$ echo "61932544*5/100" | bc 3096627
Π ΡΡΠΎΠΌ ΡΠ»ΡΡΠ°Π΅ ΡΡΠΎ Π±ΡΠ΄Π΅Ρ ΠΎΠΊΠΎΠ»ΠΎ 11 ΠΠ.
$ echo "(3096627*4096)/1024^3" | bc 11
ΠΠ·ΠΌΠ΅Π½ΠΈΠΌ ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ Π·Π°ΡΠ΅Π·Π΅ΡΠ²ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ Π±Π»ΠΎΠΊΠΎΠ² ΡΠ°ΠΉΠ»ΠΎΠ²ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ Π² ΠΏΡΠΎΡΠ΅Π½ΡΠ°Ρ
Π£Π²Π΅Π»ΠΈΡΡΡΠ΅ ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ Π·Π°ΡΠ΅Π·Π΅ΡΠ²ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ Π±Π»ΠΎΠΊΠΎΠ² Π΄ΠΎ 10%.
$ sudo tune2fs -m 10 /dev/sda3 tune2fs 1.44.1 (24-Mar-2018) Setting reserved blocks percentage to 10% (6193254 blocks)
Π ΡΡΠΎΠΌ ΡΠ»ΡΡΠ°Π΅ ΡΡΠΎ Π±ΡΠ΄Π΅Ρ ΠΎΠΊΠΎΠ»ΠΎ 23 ΠΠ ΠΈΠ»ΠΈ 24192 ΠΠ, Π΅ΡΠ»ΠΈ Π±ΡΡΡ Π±ΠΎΠ»Π΅Π΅ ΡΠΎΡΠ½ΡΠΌ.
$ echo "(6193254*4096)/1024^3" | bc 23
$ echo "(6193254*4096)/1024^2" | bc 24192
ΠΠΎΠΊΠ°ΠΆΠ΅ΠΌ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½Π½ΡΠ΅ Π·Π½Π°ΡΠ΅Π½ΠΈΡ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ² ΡΠ°ΠΉΠ»ΠΎΠ²ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ.
$ sudo tune2fs -l /dev/sda3 tune2fs 1.44.1 (24-Mar-2018) Filesystem volume name: Last mounted on: / Filesystem UUID: 0db04d02-6e6b-491d-a13e-f1e00c9a8cd1 Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum Filesystem flags: signed_directory_hash Default mount options: user_xattr acl Filesystem state: clean Errors behavior: Continue Filesystem OS type: Linux Inode count: 15491072 Block count: 61932544 Reserved block count: 6193254 Free blocks: 12697518 Free inodes: 13987896 First block: 0 Block size: 4096 Fragment size: 4096 Group descriptor size: 64 Reserved GDT blocks: 1024 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 8192 Inode blocks per group: 512 Flex block group size: 16 Filesystem created: Thu Jun 14 20:04:09 2018 Last mount time: Wed Sep 18 00:10:49 2019 Last write time: Wed Nov 20 01:14:22 2019 Mount count: 25 Maximum mount count: -1 Last checked: Thu Jun 14 20:04:09 2018 Check interval: 0 () Lifetime writes: 4091 GB Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 256 Required extra isize: 32 Desired extra isize: 32 Journal inode: 8 First orphan inode: 7602256 Default directory hash: half_md4 Directory Hash Seed: b2be8da3-dcad-4029-b282-05c63e4890ab Journal backup: inode blocks Checksum type: crc32c Checksum: 0x39f657c8
ΠΠ°ΠΊ Π½Π΅ ΡΠ΅Π·Π΅ΡΠ²ΠΈΡΠΎΠ²Π°ΡΡ Π½ΠΈΠΊΠ°ΠΊΠΈΡ Π±Π»ΠΎΠΊΠΎΠ² ΡΠ°ΠΉΠ»ΠΎΠ²ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ.
Π£ΡΡΠ°Π½ΠΎΠ²ΠΈΡΠ΅ ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ Π·Π°ΡΠ΅Π·Π΅ΡΠ²ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ Π±Π»ΠΎΠΊΠΎΠ² Π½Π° 0%.
$ sudo tune2fs -m 0 /dev/sda3 tune2fs 1.44.1 (24-Mar-2018) Setting reserved blocks percentage to 0% (0 blocks)
Π£ΡΡΠ°Π½ΠΎΠ²ΠΈΡΠ΅ ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ Π·Π°ΡΠ΅Π·Π΅ΡΠ²ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ Π±Π»ΠΎΠΊΠΎΠ² ΡΠ°Π²Π½ΡΠΌ 0.
$ sudo tune2fs -r 0 /dev/sda3 tune2fs 1.44.1 (24-Mar-2018) Setting reserved blocks count to 0
ΠΠΎΠΊΠ°ΠΆΠ΅ΠΌ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½Π½ΡΠ΅ Π·Π½Π°ΡΠ΅Π½ΠΈΡ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ² ΡΠ°ΠΉΠ»ΠΎΠ²ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ.
$ sudo tune2fs -l /dev/sda3 tune2fs 1.44.1 (24-Mar-2018) Filesystem volume name: Last mounted on: / Filesystem UUID: 0db04d02-6e6b-491d-a13e-f1e00c9a8cd1 Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent 64bit flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum Filesystem flags: signed_directory_hash Default mount options: user_xattr acl Filesystem state: clean Errors behavior: Continue Filesystem OS type: Linux Inode count: 15491072 Block count: 61932544 Reserved block count: 0 Free blocks: 12697518 Free inodes: 13987896 First block: 0 Block size: 4096 Fragment size: 4096 Group descriptor size: 64 Reserved GDT blocks: 1024 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 8192 Inode blocks per group: 512 Flex block group size: 16 Filesystem created: Thu Jun 14 20:04:09 2018 Last mount time: Wed Sep 18 00:10:49 2019 Last write time: Wed Nov 20 01:16:46 2019 Mount count: 25 Maximum mount count: -1 Last checked: Thu Jun 14 20:04:09 2018 Check interval: 0 () Lifetime writes: 4091 GB Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 256 Required extra isize: 32 Desired extra isize: 32 Journal inode: 8 First orphan inode: 7602256 Default directory hash: half_md4 Directory Hash Seed: b2be8da3-dcad-4029-b282-05c63e4890ab Journal backup: inode blocks Checksum type: crc32c Checksum: 0x39f657c8
