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How to get UFS filesystem block size in FreeBSD

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mandrei99

Post subject: How to get UFS filesystem block size in FreeBSD | Posted: Mon Jul 22, 2013 9:49 am

Joined: Tue Aug 04, 2009 9:16 am
Posts: 250

How to get UFS filesystem block size in FreeBSD

How to get UFS filesystem block size in FreeBSD using "dumpfs" utility

Code:

# dumpfs /var/ | grep "bsize"
bsize   16384   shift   14      mask    0xffffc000
maxbsize 16384  maxbpg  2048    maxcontig 8     contigsumsize 8
sbsize  2048    cgsize  16384   csaddr  3000    cssize  2048

Default UFS filesystem block size in FreeBSD is 16 K ( and from my reading, this is a decent value, but care needs to be taken when deploying Postgresql on FreeBSD - both UFS block size and Postgresql blocks should be at the same size).

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Topics		Author	Replies	Views	Last post
Topics related to - "How to get UFS filesystem block size in FreeBSD"
	How to read UFS filesystem super block information in FreeBSD	mandrei99	0	3748	Mon Jul 22, 2013 9:52 am mandrei99
	How to print filesystem super block information in Linux	mandrei99	0	14060	Mon Jul 08, 2013 6:56 am mandrei99
	FreeBSD - fuser checking processes that are using a filesystem	mandrei99	2	3699	Tue Mar 24, 2015 1:26 am Woolmer
	FreeBSD - How to retrieve the newfs command that was used to create an existing UFS filesystem	mandrei99	0	2372	Mon Jul 22, 2013 9:55 am mandrei99
	Checking Linux virtual memory page size	mandrei99	0	2192	Mon Feb 09, 2015 4:53 pm mandrei99
	Linux: list block devices UUID	debuser	0	3665	Tue Mar 10, 2015 5:46 pm debuser
	How to list PCI devices in FreeBSD - pciconf	mandrei99	0	17109	Mon Jul 22, 2013 9:58 am mandrei99
	Squid clear cache on FreeBSD	mandrei99	0	4020	Mon Mar 03, 2014 7:37 am mandrei99
	FreeBSD slow booting: Recovering vi editor sessions	mandrei99	0	3187	Wed Feb 19, 2014 4:02 pm mandrei99
	How to list the largest files in a directory in Linux/FreeBSD	mandrei99	0	2482	Thu Jan 22, 2015 5:14 pm mandrei99

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