10 Ceph Block Device Tutorial Create Map & Mount RBD in Linux

Thedefaultvalueis4096bytes(4KiB),theminimumis512,andthemaximumis65536(64KiB).XFSonLinuxcurrentlyonlysupportspagesizeorsmallerblocks.,mkfs.ext4-b1024-m0/dev/whatever.-bgivestheblocksizeand-mgivesyouthereservedblockspercentage.Replace/dev/whateverw...。參考影片的文章的如下：

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參考內容推薦

Can we create an ext3, ext4, or xfs filesystem with a blocksize larger ...

The default value is 4096 bytes (4 KiB), the minimum is 512, and the maximum is 65536 (64 KiB). XFS on Linux currently only supports pagesize or smaller blocks.

How do I create an EXT4 file system with block size 1024 and no ...

mkfs.ext4 -b 1024 -m 0 /dev/whatever. -b gives the block size and -m gives you the reserved blocks percentage. Replace /dev/whatever with the ...

Formatting an ext4 partition with a 16KB block, possible?

I need to format a 6TB drive I have with a 16KB AUS in order to achieve maximum dedup. Is this possible? I tried this with mkfs and got the following warning.

Linux mkfs.ext4命令参数使用原创

[-b block-size] 指定block size大小，默认配置文件在/etc/mke2fs.conf，blocksize = 4096. Block size: 4096. Fragment size: 4096 [-I inode-size]

mkfs.ext4(8): create ext2ext3ext4 filesystem

Valid block-size values are 1024, 2048 and 4096 bytes per block. If omitted, block-size is heuristically determined by the filesystem size and the expected ...

mkfs.ext4(8)

Valid block-size values are powers of two from 1024 up to 65536 (however note that the kernel is able to mount only file systems with block-size smaller or ...

mkfs.ext4(8) — e2fsprogs — Debian testing

Specify the size of blocks in bytes. Valid block-size values are powers of two from 1024 up to 65536 (however note that the kernel is able to mount only file ...

How to mount ext4 fs with block size of 65536? - linux

I am benchmarking EXT4 performance on Compact Flash media. I have created an ext4 fs with block size of 65536. However I cannot mount it on ubuntu-10.10- ...

EXT4 for very large (>1GB) files

I'd like to format a 12 TB HDD (not SSD) with EXT4, in order to store large video files (each file being at least 1 GiB in size).

How do I determine the block size for ext4 and btrfs filesystems?

On ext4, just use tune2fs to check your block size, as follows (change /dev/sda1 to your own device path):

linuxmkfs.ext4blocksize

Thedefaultvalueis4096bytes(4KiB),theminimumis512,andthemaximumis65536(64KiB).XFSonLinuxcurrentlyonlysupportspagesizeorsmallerblocks.,mkfs.ext4-b1024-m0/dev/whatever.-bgivestheblocksizeand-mgivesyouthereservedblockspercentage.Replace/dev/whateverwiththe ...,Ineedtoformata6TBdriveIhavewitha16KBAUSinordertoachievemaximumdedup.Isthispossible?Itriedthiswithmkfsandgotthefollowingwarning.,[-bblock-si...

參考資訊如下