From: "Janos Haar" <janos.haar@netcenter.hu>
To: Stan Hoeppner <stan@hardwarefreak.com>
Cc: linux-xfs@oss.sgi.com
Subject: Re: 2 question about XFS fragmentation and _fsr: SPLITTED Q1:sparese files
Date: Tue, 26 Apr 2011 23:50:43 +0200 [thread overview]
Message-ID: <2FDAD38566FF4F8B9C5ACF3F900287D6@myXP> (raw)
In-Reply-To: 4DA36676.1070206@hardwarefreak.com
Note: I have splitted my previous letter for easyer discusion...
This have only Question-1 the storage with only sparse files.
----- Original Message -----
From: "Stan Hoeppner" <stan@hardwarefreak.com>
To: "Janos Haar" <janos.haar@netcenter.hu>
Cc: <linux-xfs@oss.sgi.com>
Sent: Monday, April 11, 2011 10:37 PM
Subject: Re: 2 question about XFS fragmentation and _fsr
> Janos Haar put forth on 4/11/2011 12:39 PM:
>
>> In the result, actually we have >6TB images on the 3TB disk, wich is
>> 97.9% fragmented.
>
> How much free space does the filesystem have? How big is each image
> file? For xfs_fsr to work properly it must have sufficient free space
> in the filesystem.
Actually less than 1%.
I know, this is too less for xfs_fsr, but i am only thinking actually to try
because i am unsure this is useful for me.
>
>> Basically the sparse RAW disk images should be more faster accessible
>> than the original drive, because this is 4disk raid, instead of one, AND
>> the head don't need to travel through the empty space of the drive...
>
> It sounds like you may have some other issues besides filesystem
> fragmentation.
>
>> The XFS_FSR can be good for me or not?
>
> If you have plenty of free space.
>
> --
> Stan
Thanks,
Janos
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next prev parent reply other threads:[~2011-04-26 21:48 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-11 17:39 2 question about XFS fragmentation and _fsr Janos Haar
2011-04-11 20:37 ` Stan Hoeppner
2011-04-26 21:21 ` 2 question about XFS fragmentation and _fsr: SPLITTED Q2:normal files, samba share Janos Haar
2011-04-26 21:50 ` Janos Haar [this message]
2011-04-11 21:42 ` 2 question about XFS fragmentation and _fsr Dave Chinner
2011-04-11 23:37 ` Christoph Hellwig
2011-04-26 21:49 ` 2 question about XFS fragmentation and _fsr: Q2 Janos Haar
2011-04-26 21:51 ` 2 question about XFS fragmentation and _fsr: SPLITTED Q1:sparse files Janos Haar
2011-04-27 20:18 ` Eric Sandeen
2011-04-27 20:37 ` Eric Sandeen
2011-04-26 21:51 ` 2 question about XFS fragmentation and _fsr: SPLITTED Q2:normal files, samba share Janos Haar
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