From 6bf63ab0692f8171f71674d7b9e3f2a964199749 Mon Sep 17 00:00:00 2001 From: Roman Ovchinnikov Date: Sat, 21 May 2011 04:05:33 +0400 Subject: [PATCH] adding example with xfs_info decryption Signed-off-by: Roman Ovchinnikov --- man/man8/xfs_growfs.8 | 34 ++++++++++++++++++++++++++++++++++ 1 files changed, 34 insertions(+), 0 deletions(-) diff --git a/man/man8/xfs_growfs.8 b/man/man8/xfs_growfs.8 index 02793ae..c782fc1 100644 --- a/man/man8/xfs_growfs.8 +++ b/man/man8/xfs_growfs.8 @@ -1,3 +1,14 @@ +.\" Verbatim blocks taken from openssl req manpage content +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R +.fi +.. + .TH xfs_growfs 8 .SH NAME xfs_growfs, xfs_info \- expand an XFS filesystem @@ -105,6 +116,7 @@ this is specified with Specifies that no change to the filesystem is to be made. The filesystem geometry is printed, and argument checking is performed, but no growth occurs. +.B See output examples below. .TP .BI "\-r | \-R " size Specifies that the real-time section of the filesystem should be grown. If the @@ -152,6 +164,28 @@ reside. In order to grow a filesystem, it is necessary to provide added space for it to occupy. Therefore there must be at least one spare new disk partition available. Adding the space is often done through the use of a logical volume manager. +.SH "EXAMPLES" + +Examining xfs_info output. +.PP +Let's assume one have the next xfs_info output: +.PP +.Vb 1 +\& meta-data=/dev/sda isize=256 agcount=32, agsize=16777184 blks +\& = sectsz=512 attr=2 +\& data = bsize=4096 blocks=536869888, imaxpct=5 +\& = sunit=32 swidth=128 blks +\& naming =version 2 bsize=4096 +\& log =internal bsize=4096 blocks=32768, version=2 +\& = sectsz=512 sunit=32 blks, lazy-count=1 +\& realtime =none extsz=524288 blocks=0, rtextents=0 +.Ve +.PP + +Here, data section block size (bsize) is 4096 bytes. Therefore +"sunit=32 swidth=128 blks" means stripe unit is 32*4096 bytes = 128 kibibytes +and stripe width is 128*4096 bytes = 512 kibibytes. Filesystem is striped +over 4 ( 128 / 32 ) stripes. .SH SEE ALSO .BR mkfs.xfs (8), .BR md (4), -- 1.7.2.5