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From: Eric Sandeen <sandeen@sandeen.net>
To: Anshul Kundra <anshul.kundra@hcl.com>
Cc: "xfs@oss.sgi.com" <xfs@oss.sgi.com>
Subject: Re: xfs_db
Date: Mon, 15 Oct 2012 15:47:38 -0500	[thread overview]
Message-ID: <507C766A.3000400@sandeen.net> (raw)
In-Reply-To: <CACBF2D716C5104BAC48A16827DE5B1513576996C6@NDA-HCLT-EVS04.HCLT.CORP.HCL.IN>

On 10/15/12 9:34 AM, Anshul Kundra wrote:
> Suppose in XFS file system I want to corrupt a inode of my choice,
> will it be possible using xfs_db
> 
> Xfs_db blockget < inode number > blocktrash < seed value and type of
> block >
> 
> In the manuals it is written that it takes a random inodes for the
> corruption which it does in actual practice, so can I use any
> specific command to corrupt the inode (131 )

As the manual says, blocktrash trashes random metadata blocks (possibly
of specified type).

You can, however, write whatever you want into various fields of
inode 131 via xfs_db, there's just no built-in random method to
do that.

-Eric

> 
> Thanks & Regards
> 
> Anshul Kundra
> 
> 
> 

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  reply	other threads:[~2012-10-15 20:46 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-15 14:34 xfs_db Anshul Kundra
2012-10-15 20:47 ` Eric Sandeen [this message]
2012-10-15 21:36   ` xfs_db Dave Chinner
  -- strict thread matches above, loose matches on Subject: below --
2013-02-20 17:11 XFS_DB Anshul Kundra
2013-02-21 11:27 ` XFS_DB Stefan Ring

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