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Filesystems, Disks and Memory
block size
Post 22342 by linuxpenguin on Saturday 1st of June 2002 01:11:07 AM
06-01-2002
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How can I find the os block size?
How can I change the OS Block Size?
When and where does the os block size get set?
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Hello Unix guru's
I want to check my OS Block size for the Solaris 8
Following is one of the line from df -g command.
Can anybody help to interpret the same.
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If I execute this command:
$ ls -lt | awk '{print $5}' | sort -nr |head -1
it returns the following value
57441881
If I execute this command:
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112208
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Hi All,
drwxr-xr-x 2 root root 4096 May 31 14:47 test
Please let me know here 4096 indicating what?
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Hello,
in one default UFS filesystem we have 8K block size (bsize) and 1K fragmentsize (fsize). At this scenary I thought all "FileSytem IO" will be 8K (or greater) but never smaller than the fragment size (1K). If a UFS fragment/blocksize is allwasy several ADJACENTS sectors on disk (in a ... (4 Replies)
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Hi Guys,
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Accordingly a lot of manuals - if you have block size 8KB and trying to write a 1KB file to the block, as result you waste 7KB of the block space. But recently I noticed about Fragments of File Block. In same case if you have File Block 8KB and Fragment size 1KB - you can save your block space,... (6 Replies)
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LEARN ABOUT CENTOS
mkfs.bfs
MKFS.BFS(8) System Administration MKFS.BFS(8) NAME
mkfs.bfs - make an SCO bfs filesystem SYNOPSIS
mkfs.bfs [options] device [block-count] DESCRIPTION
mkfs.bfs creates an SCO bfs filesystem on a block device (usually a disk partition or a file accessed via the loop device). The block-count parameter is the desired size of the filesystem, in blocks. If nothing is specified, the entire partition will be used. OPTIONS
-N, --inodes number Specify the desired number of inodes (at most 512). If nothing is specified, some default number in the range 48-512 is picked depending on the size of the partition. -V, --vname label Specify the volume label. I have no idea if/where this is used. -F, --fname name Specify the filesystem name. I have no idea if/where this is used. -v, --verbose Explain what is being done. -c This option is silently ignored. -l This option is silently ignored. -h, --help Display help text and exit. -V, --version Display version information and exit. Option -V only works as --version when it is the only option. EXIT CODES
The exit code returned by mkfs.bfs is 0 when all went well, and 1 when something went wrong. SEE ALSO
mkfs(8) AVAILABILITY
The mkfs.bfs command is part of the util-linux package and is available from https://www.kernel.org/pub/linux/utils/util-linux/. util-linux July 2011 MKFS.BFS(8)