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UNIX for Dummies Questions & Answers
How to know the OS Block size
Post 53585 by pressy on Tuesday 20th of July 2004 06:23:55 AM
07-20-2004
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10 More Discussions You Might Find Interesting
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Hi,
Somehow i have forgotten a comand that displays me the block size of the unix filesystem. Can someone letme know this command
regards
penguin (5 Replies)
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AIX 4.3.3
How can I find the os block size?
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When and where does the os block size get set?
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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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it returns the same file but now in block size
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?
Thanks & Regards,
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Hi, I try to change the block size from 512 to 0, but it send this message:
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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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LEARN ABOUT OPENSOLARIS
blk2scsa
blk2scsa(7D) Devices blk2scsa(7D) NAME
blk2scsa - SCSA block device emulation DESCRIPTION
The blk2scsa module provides support services for generic block devices so that they appear to the system as devices on a virtual SCSI bus, thus allowing them to be serviced by the sd(7D) SCSI disk driver. The blk2scsa device supports the SCSI-2 command set for Direct Access Devices. The blk2scsa device supports multiple LUNs per physical device and creates a separate child device for each LUN. All child nodes attach to sd(7D). DEVICE SPECIAL FILES
Disk block special file names are located in /dev/dsk. Raw file names are located in /dev/rdsk. See sd(7D). IOCTLS
See dkio(7I) ERRORS
See sd(7D). FILES
Device special files for the storage device are created in the same way as those for a SCSI disk. See sd(7D) for more information. /dev/dsk/cntndnsn Block files for disks. /dev/rdsk/ctndnsn Raw files for disks. /kernel/misc/blk2scsa 32-bit ELF kernel module (x86). /kernel/misc/amd64/blk2scsa 64-bit ELF kernel module (x86). /kernel/misc/sparcv9/blk2scsa 64-bit ELF kernel module (SPARC). ATTRIBUTES
See attributes(5) for a description of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Architecture |SPARC, x86 | +-----------------------------+-----------------------------+ |Availability |SUNWckr | +-----------------------------+-----------------------------+ SEE ALSO
eject(1), rmformat(1), rmmount(1), cfgadm_scsi(1M), fdisk(1M), mount(1M), umount(1M), scsi(4), vfstab(4), attributes(5), sd(7D), dkio(7I), pcfs(7FS) 802.11b Standard for Wireless Local Area Networks (WLANs) - IEEE SunOS 5.11 28 Feb 2008 blk2scsa(7D)