From: mulyadi.santosa@gmail.com (Mulyadi Santosa)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Blocking the access to the device files.
Date: Thu, 30 Dec 2010 02:07:02 +0700 [thread overview]
Message-ID: <AANLkTiktw2GO47WVdrCX5GwDqrciP1vUdhCTMFBxOfnz@mail.gmail.com> (raw)
In-Reply-To: <AANLkTimOkKTR1-HC_be9Nz1DJKrvZJ5LV8_cd5GUyF0J@mail.gmail.com>
Hi Greg...
On Thu, Dec 30, 2010 at 02:02, Greg Freemyer <greg.freemyer@gmail.com> wrote:
> I really don't remember what the problem was. ?It was about 2003 or
> 2004 I think that I came across the issue. ?I don't recall if it was
> XFS or ext2/3 or what.
>
> I just know I came to the conclusion that dd if=/dev/sda of=/dev/null
> was not always safe if the drive had a mounted filesystem. ?Hopefully
> its been fixed by now.
2.4.x? If yes, I am not so surprised since buffer cache and page cache
aren't unified yet, unlike in 2.6.x. I highly guess that was indeed
synchronization issue....
--
regards,
Mulyadi Santosa
Freelance Linux trainer and consultant
blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com
next prev parent reply other threads:[~2010-12-29 19:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-29 13:06 Blocking the access to the device files Prasad Joshi
2010-12-29 16:12 ` Mulyadi Santosa
2010-12-29 17:01 ` Greg Freemyer
2010-12-29 18:06 ` Mulyadi Santosa
2010-12-29 18:54 ` mindentropy
2010-12-29 19:00 ` Mulyadi Santosa
2010-12-29 19:02 ` Greg Freemyer
2010-12-29 19:07 ` Mulyadi Santosa [this message]
2010-12-29 19:09 ` Greg Freemyer
2010-12-29 23:32 ` Prasad Joshi
2010-12-30 0:07 ` Greg Freemyer
2010-12-30 0:24 ` Henry Gebhardt
2010-12-30 7:10 ` Rajat Sharma
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