On Mon, Aug 1, 2011 at 8:43 PM, Round Robinjp <roundrobinjp@xxxxxxxxxxx> wrote: >> I meant using a newer version of resize2fs (which you do not have), > > I have now corrected this and other mistakes. > But when I mount the image after finally extending > to 4G, the df still shows the size as 1G. > Am I still doing something wrong? yes, a few things :-) > > Full log below: > > ----------------------------------------- > ----------------------------------------- > ----------------------------------------- > $ dd if=/dev/zero of=a.img bs=4K count=256K > 262144+0 records in > 262144+0 records out > 1073741824 bytes (1.1 GB) copied, 4.09006 s, 263 MB/s > create the initial a.img 4G and specify 1G to mkfs. so the loop device size is 4G and you can online resize the fs to 4G. > $ mkfs.ext4 -O ^has_journal,flex_bg -G 32 -E resize=4G a.img > mke2fs 1.42-WIP (02-Jul-2011) > a.img is not a block special device. > Proceed anyway? (y,n) y > Filesystem label= > OS type: Linux > Block size=4096 (log=2) > Fragment size=4096 (log=2) > Stride=0 blocks, Stripe width=0 blocks > 65536 inodes, 262144 blocks > 13107 blocks (5.00%) reserved for the super user > First data block=0 > Maximum filesystem blocks=268435456 > 8 block groups > 32768 blocks per group, 32768 fragments per group > 8192 inodes per group > Superblock backups stored on blocks: > 32768, 98304, 163840, 229376 > > Allocating group tables: done > Writing inode tables: done > Writing superblocks and filesystem accounting information: done > > This filesystem will be automatically checked every 0 mounts or > 0 days, whichever comes first. Use tune2fs -c or -i to override. > > $ sudo mount -t ext4 -o loop a.img /mnt/ > $ du -sh /usr/src/ > 92M /usr/src/ > $ cp -a /usr/src/* /mnt/ > you should not run fsck on a mounted fs. this is not good. if you run fsck /dev/loop0 you will get an error. if you want to check the fs, umount it first. > $ e2fsck -f a.img > e2fsck 1.42-WIP (02-Jul-2011) > Pass 1: Checking inodes, blocks, and sizes > Pass 2: Checking directory structure > Pass 3: Checking directory connectivity > Pass 4: Checking reference counts > Pass 5: Checking group summary information > Free blocks count wrong (242859, counted=237788). > Fix<y>? yes > > Free inodes count wrong (55821, counted=52249). > Fix<y>? yes > > > a.img: ***** FILE SYSTEM WAS MODIFIED ***** > a.img: 13287/65536 files (0.0% non-contiguous), 24356/262144 blocks > > $ resize2fs a.img 4G resize2fs /dev/loop0 > resize2fs 1.42-WIP (02-Jul-2011) > Please run 'e2fsck -f a.img' first. > > $ e2fsck -f a.img > e2fsck 1.42-WIP (02-Jul-2011) > Pass 1: Checking inodes, blocks, and sizes > Pass 2: Checking directory structure > Pass 3: Checking directory connectivity > Pass 4: Checking reference counts > Pass 5: Checking group summary information > a.img: 20864/65536 files (0.0% non-contiguous), 27067/262144 blocks > > $ resize2fs a.img 4G > resize2fs 1.42-WIP (02-Jul-2011) > Resizing the filesystem on a.img to 1048576 (4k) blocks. > The filesystem on a.img is now 1048576 blocks long. > > $ sudo tune2fs -O has_journal /dev/loop0 > tune2fs 1.42-WIP (02-Jul-2011) > Creating journal inode: done > This filesystem will be automatically checked every 20 mounts or > 0 days, whichever comes first. Use tune2fs -c or -i to override. > > $ sudo umount /mnt > > $ dumpe2fs a.img > dumpe2fs 1.42-WIP (02-Jul-2011) > Filesystem volume name: <none> > Last mounted on: /mnt > Filesystem UUID: 4f2361c3-2755-4a6a-bf28-dd7e1a4dd772 > Filesystem magic number: 0xEF53 > Filesystem revision #: 1 (dynamic) > Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize > Filesystem flags: signed_directory_hash > Default mount options: user_xattr acl > Filesystem state: clean > Errors behavior: Continue > Filesystem OS type: Linux > Inode count: 65536 > Block count: 262144 if you do everything right you should have 1048576 blocks after resize. > Reserved block count: 13107 > Free blocks: 226191 > Free inodes: 44671 > First block: 0 > Block size: 4096 > Fragment size: 4096 > Reserved GDT blocks: 63 > Blocks per group: 32768 > Fragments per group: 32768 > Inodes per group: 8192 > Inode blocks per group: 512 > Flex block group size: 32 > Filesystem created: Tue Aug 2 02:29:45 2011 > Last mount time: Tue Aug 2 02:29:50 2011 > Last write time: Tue Aug 2 02:31:01 2011 > Mount count: 1 > Maximum mount count: 20 > Last checked: Tue Aug 2 02:29:45 2011 > Check interval: 0 (<none>) > Lifetime writes: 406 kB > Reserved blocks uid: 0 (user root) > Reserved blocks gid: 0 (group root) > First inode: 11 > Inode size: 256 > Required extra isize: 28 > Desired extra isize: 28 > Journal inode: 20500 > Default directory hash: half_md4 > Directory Hash Seed: a42d0c4e-0207-4fd4-94e7-b71bc107ae90 > Journal features: (none) > Journal size: 32M > Journal length: 8192 > Journal sequence: 0x00000001 > Journal start: 0 > > > Group 0: (Blocks 0-32767) [ITABLE_ZEROED] > Checksum 0x3fe2, unused inodes 0 > Primary superblock at 0, Group descriptors at 1-1 > Reserved GDT blocks at 2-64 > Block bitmap at 65 (+65), Inode bitmap at 97 (+97) > Inode table at 129-640 (+129) > 24746 free blocks, 0 free inodes, 3 directories > Free blocks: 20358-32767 > Free inodes: > Group 1: (Blocks 32768-65535) [ITABLE_ZEROED] > Checksum 0x1361, unused inodes 0 > Backup superblock at 32768, Group descriptors at 32769-32769 > Reserved GDT blocks at 32770-32832 > Block bitmap at 66 (bg #0 + 66), Inode bitmap at 98 (bg #0 + 98) > Inode table at 641-1152 (bg #0 + 641) > 9128 free blocks, 0 free inodes, 975 directories > Free blocks: 49152-57343, 60376-60383, 60512-61439 > Free inodes: > Group 2: (Blocks 65536-98303) [ITABLE_ZEROED] > Checksum 0x3bb7, unused inodes 4076 > Block bitmap at 67 (bg #0 + 67), Inode bitmap at 99 (bg #0 + 99) > Inode table at 1153-1664 (bg #0 + 1153) > 28672 free blocks, 4076 free inodes, 2302 directories, 4076 unused inodes > Free blocks: 69632-98303 > Free inodes: 20501-24576 > Group 3: (Blocks 98304-131071) [ITABLE_ZEROED] > Checksum 0x372b, unused inodes 7865 > Backup superblock at 98304, Group descriptors at 98305-98305 > Reserved GDT blocks at 98306-98368 > Block bitmap at 68 (bg #0 + 68), Inode bitmap at 100 (bg #0 + 100) > Inode table at 1665-2176 (bg #0 + 1665) > 32703 free blocks, 7865 free inodes, 327 directories, 7865 unused inodes > Free blocks: 98369-131071 > Free inodes: 24904-32768 > Group 4: (Blocks 131072-163839) [ITABLE_ZEROED] > Checksum 0x4c7a, unused inodes 8154 > Block bitmap at 69 (bg #0 + 69), Inode bitmap at 101 (bg #0 + 101) > Inode table at 2177-2688 (bg #0 + 2177) > 32768 free blocks, 8154 free inodes, 38 directories, 8154 unused inodes > Free blocks: 131072-163839 > Free inodes: 32807-40960 > Group 5: (Blocks 163840-196607) [INODE_UNINIT, ITABLE_ZEROED] > Checksum 0xbd51, unused inodes 8192 > Backup superblock at 163840, Group descriptors at 163841-163841 > Reserved GDT blocks at 163842-163904 > Block bitmap at 70 (bg #0 + 70), Inode bitmap at 102 (bg #0 + 102) > Inode table at 2689-3200 (bg #0 + 2689) > 32703 free blocks, 8192 free inodes, 0 directories, 8192 unused inodes > Free blocks: 163905-196607 > Free inodes: 40961-49152 > Group 6: (Blocks 196608-229375) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED] > Checksum 0xf453, unused inodes 8192 > Block bitmap at 71 (bg #0 + 71), Inode bitmap at 103 (bg #0 + 103) > Inode table at 3201-3712 (bg #0 + 3201) > 32768 free blocks, 8192 free inodes, 0 directories, 8192 unused inodes > Free blocks: 196608-229375 > Free inodes: 49153-57344 > Group 7: (Blocks 229376-262143) [INODE_UNINIT, ITABLE_ZEROED] > Checksum 0xfcc2, unused inodes 8192 > Backup superblock at 229376, Group descriptors at 229377-229377 > Reserved GDT blocks at 229378-229440 > Block bitmap at 72 (bg #0 + 72), Inode bitmap at 104 (bg #0 + 104) > Inode table at 3713-4224 (bg #0 + 3713) > 32703 free blocks, 8192 free inodes, 0 directories, 8192 unused inodes > Free blocks: 229441-262143 > Free inodes: 57345-65536 > > $ truncate -s 1G a.img > > $ e2fsck -f a.img don't try to 'fix' the fs before truncate -s 4G. you can run fsck -nf if you want to see how the fs looks now. > e2fsck 1.42-WIP (02-Jul-2011) > Backing up journal inode block information. > > Moving journal from /.journal to hidden inode. > > Pass 1: Checking inodes, blocks, and sizes > Inode 7 has illegal block(s). Clear<y>? yes > > Illegal block #2064 (294914) in inode 7. CLEARED. > Illegal block #2065 (819202) in inode 7. CLEARED. > Illegal block #2066 (884738) in inode 7. CLEARED. > Illegal block #3088 (294915) in inode 7. CLEARED. > Illegal block #3089 (819203) in inode 7. CLEARED. > Illegal block #3090 (884739) in inode 7. CLEARED. > Illegal block #4112 (294916) in inode 7. CLEARED. > Illegal block #4113 (819204) in inode 7. CLEARED. > Illegal block #4114 (884740) in inode 7. CLEARED. > Illegal block #5136 (294917) in inode 7. CLEARED. > Illegal block #5137 (819205) in inode 7. CLEARED. > Too many illegal blocks in inode 7. > Clear inode<y>? yes > > Restarting e2fsck from the beginning... > Resize inode not valid. Recreate<y>? yes > > Pass 1: Checking inodes, blocks, and sizes > Pass 2: Checking directory structure > Pass 3: Checking directory connectivity > Pass 4: Checking reference counts > Pass 5: Checking group summary information > Block bitmap differences: -(8022--20357) > Fix<y>? yes > > Free blocks count wrong for group #0 (24745, counted=24746). > Fix<y>? yes > > Free blocks count wrong (226190, counted=226191). > Fix<y>? yes > > > a.img: ***** FILE SYSTEM WAS MODIFIED ***** > a.img: 20864/65536 files (0.0% non-contiguous), 35953/262144 blocks > $ > > $ dumpe2fs a.img > dumpe2fs 1.42-WIP (02-Jul-2011) > Filesystem volume name: <none> > Last mounted on: /mnt > Filesystem UUID: 4f2361c3-2755-4a6a-bf28-dd7e1a4dd772 > Filesystem magic number: 0xEF53 > Filesystem revision #: 1 (dynamic) > Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize > Filesystem flags: signed_directory_hash > Default mount options: user_xattr acl > Filesystem state: clean > Errors behavior: Continue > Filesystem OS type: Linux > Inode count: 65536 > Block count: 262144 > Reserved block count: 13107 > Free blocks: 226191 > Free inodes: 44672 > First block: 0 > Block size: 4096 > Fragment size: 4096 > Reserved GDT blocks: 63 > Blocks per group: 32768 > Fragments per group: 32768 > Inodes per group: 8192 > Inode blocks per group: 512 > Flex block group size: 32 > Filesystem created: Tue Aug 2 02:29:45 2011 > Last mount time: Tue Aug 2 02:29:50 2011 > Last write time: Tue Aug 2 02:32:29 2011 > Mount count: 0 > Maximum mount count: 20 > Last checked: Tue Aug 2 02:32:29 2011 > Check interval: 0 (<none>) > Lifetime writes: 742 kB > Reserved blocks uid: 0 (user root) > Reserved blocks gid: 0 (group root) > First inode: 11 > Inode size: 256 > Required extra isize: 28 > Desired extra isize: 28 > Journal inode: 8 > Default directory hash: half_md4 > Directory Hash Seed: a42d0c4e-0207-4fd4-94e7-b71bc107ae90 > Journal backup: inode blocks > Journal features: (none) > Journal size: 32M > Journal length: 8192 > Journal sequence: 0x00000001 > Journal start: 0 > > > Group 0: (Blocks 0-32767) [ITABLE_ZEROED] > Checksum 0x3fe2, unused inodes 0 > Primary superblock at 0, Group descriptors at 1-1 > Reserved GDT blocks at 2-64 > Block bitmap at 65 (+65), Inode bitmap at 97 (+97) > Inode table at 129-640 (+129) > 24746 free blocks, 0 free inodes, 3 directories > Free blocks: 8022-32767 > Free inodes: > Group 1: (Blocks 32768-65535) [ITABLE_ZEROED] > Checksum 0x1361, unused inodes 0 > Backup superblock at 32768, Group descriptors at 32769-32769 > Reserved GDT blocks at 32770-32832 > Block bitmap at 66 (bg #0 + 66), Inode bitmap at 98 (bg #0 + 98) > Inode table at 641-1152 (bg #0 + 641) > 9128 free blocks, 0 free inodes, 975 directories > Free blocks: 49152-57343, 60376-60383, 60512-61439 > Free inodes: > Group 2: (Blocks 65536-98303) [ITABLE_ZEROED] > Checksum 0x3b77, unused inodes 4077 > Block bitmap at 67 (bg #0 + 67), Inode bitmap at 99 (bg #0 + 99) > Inode table at 1153-1664 (bg #0 + 1153) > 28672 free blocks, 4077 free inodes, 2302 directories, 4077 unused inodes > Free blocks: 69632-98303 > Free inodes: 20500-24576 > Group 3: (Blocks 98304-131071) [ITABLE_ZEROED] > Checksum 0x372b, unused inodes 7865 > Backup superblock at 98304, Group descriptors at 98305-98305 > Reserved GDT blocks at 98306-98368 > Block bitmap at 68 (bg #0 + 68), Inode bitmap at 100 (bg #0 + 100) > Inode table at 1665-2176 (bg #0 + 1665) > 32703 free blocks, 7865 free inodes, 327 directories, 7865 unused inodes > Free blocks: 98369-131071 > Free inodes: 24904-32768 > Group 4: (Blocks 131072-163839) [ITABLE_ZEROED] > Checksum 0x4c7a, unused inodes 8154 > Block bitmap at 69 (bg #0 + 69), Inode bitmap at 101 (bg #0 + 101) > Inode table at 2177-2688 (bg #0 + 2177) > 32768 free blocks, 8154 free inodes, 38 directories, 8154 unused inodes > Free blocks: 131072-163839 > Free inodes: 32807-40960 > Group 5: (Blocks 163840-196607) [INODE_UNINIT, ITABLE_ZEROED] > Checksum 0xbd51, unused inodes 8192 > Backup superblock at 163840, Group descriptors at 163841-163841 > Reserved GDT blocks at 163842-163904 > Block bitmap at 70 (bg #0 + 70), Inode bitmap at 102 (bg #0 + 102) > Inode table at 2689-3200 (bg #0 + 2689) > 32703 free blocks, 8192 free inodes, 0 directories, 8192 unused inodes > Free blocks: 163905-196607 > Free inodes: 40961-49152 > Group 6: (Blocks 196608-229375) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED] > Checksum 0xf453, unused inodes 8192 > Block bitmap at 71 (bg #0 + 71), Inode bitmap at 103 (bg #0 + 103) > Inode table at 3201-3712 (bg #0 + 3201) > 32768 free blocks, 8192 free inodes, 0 directories, 8192 unused inodes > Free blocks: 196608-229375 > Free inodes: 49153-57344 > Group 7: (Blocks 229376-262143) [INODE_UNINIT, ITABLE_ZEROED] > Checksum 0xfcc2, unused inodes 8192 > Backup superblock at 229376, Group descriptors at 229377-229377 > Reserved GDT blocks at 229378-229440 > Block bitmap at 72 (bg #0 + 72), Inode bitmap at 104 (bg #0 + 104) > Inode table at 3713-4224 (bg #0 + 3713) > 32703 free blocks, 8192 free inodes, 0 directories, 8192 unused inodes > Free blocks: 229441-262143 > Free inodes: 57345-65536 > > $ truncate -s 4G a.img > > $ e2fsck -f a.img > e2fsck 1.42-WIP (02-Jul-2011) > Pass 1: Checking inodes, blocks, and sizes > Pass 2: Checking directory structure > Pass 3: Checking directory connectivity > Pass 4: Checking reference counts > Pass 5: Checking group summary information > a.img: 20864/65536 files (0.0% non-contiguous), 35953/262144 blocks > > $ dumpe2fs a.img > dumpe2fs 1.42-WIP (02-Jul-2011) > Filesystem volume name: <none> > Last mounted on: /mnt > Filesystem UUID: 4f2361c3-2755-4a6a-bf28-dd7e1a4dd772 > Filesystem magic number: 0xEF53 > Filesystem revision #: 1 (dynamic) > Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize > Filesystem flags: signed_directory_hash > Default mount options: user_xattr acl > Filesystem state: clean > Errors behavior: Continue > Filesystem OS type: Linux > Inode count: 65536 > Block count: 262144 > Reserved block count: 13107 > Free blocks: 226191 > Free inodes: 44672 > First block: 0 > Block size: 4096 > Fragment size: 4096 > Reserved GDT blocks: 63 > Blocks per group: 32768 > Fragments per group: 32768 > Inodes per group: 8192 > Inode blocks per group: 512 > Flex block group size: 32 > Filesystem created: Tue Aug 2 02:29:45 2011 > Last mount time: Tue Aug 2 02:29:50 2011 > Last write time: Tue Aug 2 02:33:36 2011 > Mount count: 0 > Maximum mount count: 20 > Last checked: Tue Aug 2 02:33:36 2011 > Check interval: 0 (<none>) > Lifetime writes: 746 kB > Reserved blocks uid: 0 (user root) > Reserved blocks gid: 0 (group root) > First inode: 11 > Inode size: 256 > Required extra isize: 28 > Desired extra isize: 28 > Journal inode: 8 > Default directory hash: half_md4 > Directory Hash Seed: a42d0c4e-0207-4fd4-94e7-b71bc107ae90 > Journal backup: inode blocks > Journal features: (none) > Journal size: 32M > Journal length: 8192 > Journal sequence: 0x00000001 > Journal start: 0 > > > Group 0: (Blocks 0-32767) [ITABLE_ZEROED] > Checksum 0x3fe2, unused inodes 0 > Primary superblock at 0, Group descriptors at 1-1 > Reserved GDT blocks at 2-64 > Block bitmap at 65 (+65), Inode bitmap at 97 (+97) > Inode table at 129-640 (+129) > 24746 free blocks, 0 free inodes, 3 directories > Free blocks: 8022-32767 > Free inodes: > Group 1: (Blocks 32768-65535) [ITABLE_ZEROED] > Checksum 0x1361, unused inodes 0 > Backup superblock at 32768, Group descriptors at 32769-32769 > Reserved GDT blocks at 32770-32832 > Block bitmap at 66 (bg #0 + 66), Inode bitmap at 98 (bg #0 + 98) > Inode table at 641-1152 (bg #0 + 641) > 9128 free blocks, 0 free inodes, 975 directories > Free blocks: 49152-57343, 60376-60383, 60512-61439 > Free inodes: > Group 2: (Blocks 65536-98303) [ITABLE_ZEROED] > Checksum 0x3b77, unused inodes 4077 > Block bitmap at 67 (bg #0 + 67), Inode bitmap at 99 (bg #0 + 99) > Inode table at 1153-1664 (bg #0 + 1153) > 28672 free blocks, 4077 free inodes, 2302 directories, 4077 unused inodes > Free blocks: 69632-98303 > Free inodes: 20500-24576 > Group 3: (Blocks 98304-131071) [ITABLE_ZEROED] > Checksum 0x372b, unused inodes 7865 > Backup superblock at 98304, Group descriptors at 98305-98305 > Reserved GDT blocks at 98306-98368 > Block bitmap at 68 (bg #0 + 68), Inode bitmap at 100 (bg #0 + 100) > Inode table at 1665-2176 (bg #0 + 1665) > 32703 free blocks, 7865 free inodes, 327 directories, 7865 unused inodes > Free blocks: 98369-131071 > Free inodes: 24904-32768 > Group 4: (Blocks 131072-163839) [ITABLE_ZEROED] > Checksum 0x4c7a, unused inodes 8154 > Block bitmap at 69 (bg #0 + 69), Inode bitmap at 101 (bg #0 + 101) > Inode table at 2177-2688 (bg #0 + 2177) > 32768 free blocks, 8154 free inodes, 38 directories, 8154 unused inodes > Free blocks: 131072-163839 > Free inodes: 32807-40960 > Group 5: (Blocks 163840-196607) [INODE_UNINIT, ITABLE_ZEROED] > Checksum 0xbd51, unused inodes 8192 > Backup superblock at 163840, Group descriptors at 163841-163841 > Reserved GDT blocks at 163842-163904 > Block bitmap at 70 (bg #0 + 70), Inode bitmap at 102 (bg #0 + 102) > Inode table at 2689-3200 (bg #0 + 2689) > 32703 free blocks, 8192 free inodes, 0 directories, 8192 unused inodes > Free blocks: 163905-196607 > Free inodes: 40961-49152 > Group 6: (Blocks 196608-229375) [INODE_UNINIT, BLOCK_UNINIT, ITABLE_ZEROED] > Checksum 0xf453, unused inodes 8192 > Block bitmap at 71 (bg #0 + 71), Inode bitmap at 103 (bg #0 + 103) > Inode table at 3201-3712 (bg #0 + 3201) > 32768 free blocks, 8192 free inodes, 0 directories, 8192 unused inodes > Free blocks: 196608-229375 > Free inodes: 49153-57344 > Group 7: (Blocks 229376-262143) [INODE_UNINIT, ITABLE_ZEROED] > Checksum 0xfcc2, unused inodes 8192 > Backup superblock at 229376, Group descriptors at 229377-229377 > Reserved GDT blocks at 229378-229440 > Block bitmap at 72 (bg #0 + 72), Inode bitmap at 104 (bg #0 + 104) > Inode table at 3713-4224 (bg #0 + 3713) > 32703 free blocks, 8192 free inodes, 0 directories, 8192 unused inodes > Free blocks: 229441-262143 > Free inodes: 57345-65536 > > $ sudo mount -t ext4 -o loop a.img /mnt/ > $ df > [...] > /dev/loop0 1032088 127324 852336 13% /mnt > > $ sudo umount /mnt > ----------------------------------------- > ----------------------------------------- > ----------------------------------------- > -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
