Доработка файловой системы на NAND накопителе: различия между версиями

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Форматирование раздела:
 
Форматирование раздела:
−
  ubiformat /dev/mtd10 -s 2048 -O 2048
+
  root@agava6432_30:~# ubiformat /dev/mtd10 -s 2048 -O 2048
 +
ubiformat: mtd10 (nand), size 33554432 bytes (32.0 MiB), 256 eraseblocks of 131072 bytes (128.0 KiB), min. I/O size 2048 bytes
 +
libscan: scanning eraseblock 255 -- 100 % complete
 +
ubiformat: 256 eraseblocks have valid erase counter, mean value is 3
 +
ubiformat: formatting eraseblock 255 -- 100 % complete
 
Создание тома  на разделе с максимально доступным размером:
 
Создание тома  на разделе с максимально доступным размером:
−
  ubimkvol /dev/ubi1 -N optfs -m
+
  root@agava6432_30:~# ubimkvol /dev/ubi1 -N optfs -m
−
Смонтируем два раздела одновременно.
+
Set volume size to 26918912
 +
Volume ID 0, size 212 LEBs (26918912 bytes, 25.7 MiB), LEB size 126976 bytes (124.0 KiB), dynamic, name "optfs", alignment 1
 +
Смонтируем два раздела одновременно. Аттач и монтирование первого:
 
  root@agava6432_30:~# ubiattach /dev/ubi_ctrl -m 9 -O 2048
 
  root@agava6432_30:~# ubiattach /dev/ubi_ctrl -m 9 -O 2048
 
  [  155.104000] ubi0: attaching mtd9
 
  [  155.104000] ubi0: attaching mtd9
Строка 18: Строка 24:
 
  UBI device number 0, total 1712 LEBs (217382912 bytes, 207.3 MiB), available 0 LEBs (0 bytes), LEB size 126976 bytes (124.0 KiB)
 
  UBI device number 0, total 1712 LEBs (217382912 bytes, 207.3 MiB), available 0 LEBs (0 bytes), LEB size 126976 bytes (124.0 KiB)
  
−
  mount -t ubifs ubi0:rootfs /media/ram
+
  root@agava6432_30:~# mount -t ubifs ubi0:rootfs /media/ram
−
 
+
[  848.465385] UBIFS (ubi0:0): background thread "ubifs_bgt0_0" started, PID 838
 +
[  848.537802] UBIFS (ubi0:0): UBIFS: mounted UBI device 0, volume 0, name "rootfs"
 +
[  848.545352] UBIFS (ubi0:0): LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
 +
[  848.557670] UBIFS (ubi0:0): FS size: 210399232 bytes (200 MiB, 1657 LEBs), journal size 9023488 bytes (8 MiB, 72 LEBs)
 +
[  848.569689] UBIFS (ubi0:0): reserved for root: 0 bytes (0 KiB)
 +
[  848.576642] UBIFS (ubi0:0): media format: w4/r0 (latest is w4/r0), UUID 13B5E90D-3C04-4CC3-A177-A691A903DAEB, small LPT model
 +
Аттач и монтирование второго:
 
  root@agava6432_30:~# ubiattach /dev/ubi_ctrl -m 10 -O 2048
 
  root@agava6432_30:~# ubiattach /dev/ubi_ctrl -m 10 -O 2048
 
  [  159.661425] ubi1: attaching mtd10
 
  [  159.661425] ubi1: attaching mtd10
Строка 34: Строка 46:
 
  UBI device number 1, total 256 LEBs (32505856 bytes, 31.0 MiB), available 212 LEBs (26918912 bytes, 25.7 MiB), LEB size 126976 bytes (124.0 KiB)
 
  UBI device number 1, total 256 LEBs (32505856 bytes, 31.0 MiB), available 212 LEBs (26918912 bytes, 25.7 MiB), LEB size 126976 bytes (124.0 KiB)
  
−
  mount -t ubifs ubi1:optfs /opt
+
  root@agava6432_30:~# mount -t ubifs ubi1:optfs /opt
 +
[  923.223283] UBIFS (ubi1:0): default file-system created
 +
[  923.295157] UBIFS (ubi1:0): background thread "ubifs_bgt1_0" started, PID 844
 +
[  923.409002] UBIFS (ubi1:0): UBIFS: mounted UBI device 1, volume 0, name "optfs"
 +
[  923.422729] UBIFS (ubi1:0): LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
 +
[  923.435346] UBIFS (ubi1:0): FS size: 25649152 bytes (24 MiB, 202 LEBs), journal size 1269760 bytes (1 MiB, 10 LEBs)
 +
[  923.446969] UBIFS (ubi1:0): reserved for root: 1211472 bytes (1183 KiB)
 +
[  923.453628] UBIFS (ubi1:0): media format: w4/r0 (latest is w4/r0), UUID B920CD11-CAF7-430F-9199-30BCBA23AC07, small LPT model

Версия 14:27, 6 февраля 2023

Форматирование раздела: 

root@agava6432_30:~# ubiformat /dev/mtd10 -s 2048 -O 2048
ubiformat: mtd10 (nand), size 33554432 bytes (32.0 MiB), 256 eraseblocks of 131072 bytes (128.0 KiB), min. I/O size 2048 bytes
libscan: scanning eraseblock 255 -- 100 % complete
ubiformat: 256 eraseblocks have valid erase counter, mean value is 3
ubiformat: formatting eraseblock 255 -- 100 % complete

Создание тома на разделе с максимально доступным размером: 

root@agava6432_30:~# ubimkvol /dev/ubi1 -N optfs -m
Set volume size to 26918912
Volume ID 0, size 212 LEBs (26918912 bytes, 25.7 MiB), LEB size 126976 bytes (124.0 KiB), dynamic, name "optfs", alignment 1

Смонтируем два раздела одновременно. Аттач и монтирование первого: 

root@agava6432_30:~# ubiattach /dev/ubi_ctrl -m 9 -O 2048
[  155.104000] ubi0: attaching mtd9
[  155.957456] ubi0: scanning is finished
[  155.975810] ubi0: attached mtd9 (name "NAND.file-system", size 214 MiB)
[  155.982484] ubi0: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes
[  156.024324] ubi0: min./max. I/O unit sizes: 2048/2048, sub-page size 512
[  156.041109] ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096
[  156.073123] ubi0: good PEBs: 1712, bad PEBs: 0, corrupted PEBs: 0
[  156.089556] ubi0: user volume: 1, internal volumes: 1, max. volumes count: 128
[  156.102847] ubi0: max/mean erase counter: 1/0, WL threshold: 4096, image sequence number: 1174463929
[  156.114658] ubi0: available PEBs: 0, total reserved PEBs: 1712, PEBs reserved for bad PEB handling: 40
[  156.125597] ubi0: background thread "ubi_bgt0d" started, PID 828
UBI device number 0, total 1712 LEBs (217382912 bytes, 207.3 MiB), available 0 LEBs (0 bytes), LEB size 126976 bytes (124.0 KiB)

root@agava6432_30:~# mount -t ubifs ubi0:rootfs /media/ram
[  848.465385] UBIFS (ubi0:0): background thread "ubifs_bgt0_0" started, PID 838
[  848.537802] UBIFS (ubi0:0): UBIFS: mounted UBI device 0, volume 0, name "rootfs"
[  848.545352] UBIFS (ubi0:0): LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
[  848.557670] UBIFS (ubi0:0): FS size: 210399232 bytes (200 MiB, 1657 LEBs), journal size 9023488 bytes (8 MiB, 72 LEBs)
[  848.569689] UBIFS (ubi0:0): reserved for root: 0 bytes (0 KiB)
[  848.576642] UBIFS (ubi0:0): media format: w4/r0 (latest is w4/r0), UUID 13B5E90D-3C04-4CC3-A177-A691A903DAEB, small LPT model

Аттач и монтирование второго: 

root@agava6432_30:~# ubiattach /dev/ubi_ctrl -m 10 -O 2048
[  159.661425] ubi1: attaching mtd10
[  159.793666] ubi1: scanning is finished
[  159.808003] ubi1: attached mtd10 (name "NAND.opt-fs", size 32 MiB)
[  159.814239] ubi1: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes
[  159.853010] ubi1: min./max. I/O unit sizes: 2048/2048, sub-page size 512
[  159.869891] ubi1: VID header offset: 2048 (aligned 2048), data offset: 4096
[  159.880333] ubi1: good PEBs: 256, bad PEBs: 0, corrupted PEBs: 0
[  159.887885] ubi1: user volume: 0, internal volumes: 1, max. volumes count: 128
[  159.896402] ubi1: max/mean erase counter: 6/4, WL threshold: 4096, image sequence number: 411538511
[  159.906678] ubi1: available PEBs: 212, total reserved PEBs: 44, PEBs reserved for bad PEB handling: 40
[  159.917388] ubi1: background thread "ubi_bgt1d" started, PID 831
UBI device number 1, total 256 LEBs (32505856 bytes, 31.0 MiB), available 212 LEBs (26918912 bytes, 25.7 MiB), LEB size 126976 bytes (124.0 KiB)

root@agava6432_30:~# mount -t ubifs ubi1:optfs /opt
[  923.223283] UBIFS (ubi1:0): default file-system created
[  923.295157] UBIFS (ubi1:0): background thread "ubifs_bgt1_0" started, PID 844
[  923.409002] UBIFS (ubi1:0): UBIFS: mounted UBI device 1, volume 0, name "optfs"
[  923.422729] UBIFS (ubi1:0): LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
[  923.435346] UBIFS (ubi1:0): FS size: 25649152 bytes (24 MiB, 202 LEBs), journal size 1269760 bytes (1 MiB, 10 LEBs)
[  923.446969] UBIFS (ubi1:0): reserved for root: 1211472 bytes (1183 KiB)
[  923.453628] UBIFS (ubi1:0): media format: w4/r0 (latest is w4/r0), UUID B920CD11-CAF7-430F-9199-30BCBA23AC07, small LPT model
Источник — http://docs.kb-agava.ru/index.php?title=Доработка_файловой_системы_на_NAND_накопителе&oldid=1885