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From: Justin <justin@emproshunts.com>
To: Craig Ringer <craig@postnewspapers.com.au>
Cc: Dave Cramer <pg@fastcrypt.com>
Cc: Craig James <craig_james@emolecules.com>
Cc: Greg Smith <gsmith@gregsmith.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Benchmark: Dell/Perc 6, 8 disk RAID 10
Date: Mon, 17 Mar 2008 11:31:15 -0500
Message-ID: <47DE9CD3.9000306@emproshunts.com> (raw)
In-Reply-To: <47DE1A3B.2050704@postnewspapers.com.au>
References: <f966c2ee0803052142l6a105678jfe2da92a0d9371@mail.gmail.com>
	<Pine.GSO.4.64.0803060813570.11897@westnet.com>
	<47D00DB2.7040007@emolecules.com>
	<18451.1204824562@sss.pgh.pa.us>
	<47D0AFC1.5070305@emolecules.com>
	<08115901408538@mail.emproshunts.com>
	<47D93A43.6020503@emolecules.com>
	<016301c8854e$851e06e0$3101a8c0@JDell>
	<dcc563d10803132312o1539215fk859bbae03f36e566@mail.gmail.com>
	<47DA1866.3050500@krogh.cc>
	<dcc563d10803132319u19480a4fn16115c415ee57844@mail.gmail.com>
	<47DA37E1.6050104@emproshunts.com>
	<Pine.GSO.4.64.0803140359220.20241@westnet.com>
	<47DA5852.30004@emproshunts.com>
	<47DCBBF9.1090401@emproshunts.com>
	<F38ADB71-8F77-41C8-9066-488FFCA7BD67@fastcrypt.com>
	<47DD6F4C.2050208@emolecules.com>
	<3CD2CF85-AD79-4500-95EE-57E6B2D01721@fastcrypt.com>
	<47DE1F9A.2040804@emproshunts.com>
	<47DE1A3B.2050704@postnewspapers.com.au>

Well every thing worked right up to the point where i tried to mount the 
file system

Warning:  xfs_db: /dev/sdb1 contains a mounted file system

fatal error -- couldn't initialize XFS library.

think i'm missing something???

Craig Ringer wrote:
> Justin wrote:
>   
>> OK i'm showing my ignorance of linux.  On Ubuntu i can't seem to figure
>> out if  XFS file system is installed, if not installed  getting it
>> installed.
>>     
>
> There are two parts to the file system, really. One is the kernel driver
> for the file system. This is almost certainly available, as it will ship
> with the kernel. It might be a module that is loaded on demand or it
> might be compiled into the kernel its self.
>
> On my Debian Etch system it's a module, xfs.ko, that can be loaded
> manually with:
>
> modprobe xfs
>
> ... however, you should not need to do that, as it'll be autoloaded when
> you try to mount an xfs volume.
>
> The other part to the file system is the userspace tools for creating,
> checking, resizing, etc the file system. An `apt-cache search xfs' shows
> that these tools have the package name xfsprogs, at least on Debian.
>
> You can install them with "apt-get install xfsprogs". If they're already
> installed no action will be taken.
>
> When xfsprogs is installed you can use mkfs.xfs (see: man mkfs.xfs) to
> format a block device (say, a partition like /dev/sda1 or an LVM logical
> volume like /dev/SOMELVMVG/somelvmlv) with the xfs file system.
>
> Once the file system is formatted you can mount it manually with the
> mount command, eg:
>
> mkdir /mnt/tmp
> mount -t xfs /dev/sda1 /mnt/tmp
>
> ... or have it mounted on boot using an fstab entry like:
>
> /dev/sda1 /path/to/desired/mountpoint xfs defaults 0 0
>
> --
> Craig Ringer
>
>   

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  Cc: justin@emproshunts.com, craig@postnewspapers.com.au, pg@fastcrypt.com, craig_james@emolecules.com, gsmith@gregsmith.com
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