From: Neil Bothwick <neil@digimed.co.uk>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Re: rsync to a USB stick
Date: Mon, 31 May 2010 09:09:09 +0100 [thread overview]
Message-ID: <20100531090909.792da6d0@digimed.co.uk> (raw)
In-Reply-To: <htts7k$s3c$1@dough.gmane.org>
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On Sun, 30 May 2010 14:20:36 +0000 (UTC), Grant Edwards wrote:
> > You're assuming that each backup only writes once, which is far from
> > true. If you mount a drive with the sync option, the FAT is updated
> > for every block you write, so even a single file can cause thousands
> > of writes to the same location.
>
> And you're assuming that the flash controller chip in the USB drive
> doesn't do wear-leavelling.
Even with wear levelling, writing in sync mode still does thousands of
writes. They may be more spread out, but there are still a lot more than
one per day and the previous assumptions are still false.
--
Neil Bothwick
Law of Mechanical Repair: After your hands become coated with
grease, your nose will begin to itch.
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next prev parent reply other threads:[~2010-05-31 9:03 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-29 9:01 [gentoo-user] rsync to a USB stick Mick
2010-05-29 9:20 ` meino.cramer
2010-05-29 9:30 ` Alan McKinnon
2010-05-29 9:30 ` Alan McKinnon
2010-05-29 9:39 ` Mick
2010-05-29 19:02 ` Alan McKinnon
2010-05-29 9:39 ` Steven
2010-05-29 19:23 ` Joshua Murphy
2010-05-29 9:49 ` Peter Ruskin
2010-05-29 10:34 ` [gentoo-user] " Remy Blank
2010-05-29 11:42 ` Mick
2010-05-29 11:59 ` [gentoo-user] " David Relson
2010-05-30 10:48 ` Neil Bothwick
2010-05-30 12:06 ` David Relson
2010-05-30 14:20 ` [gentoo-user] " Grant Edwards
2010-05-31 2:26 ` David Relson
2010-05-31 8:09 ` Neil Bothwick [this message]
2010-05-31 16:27 ` Grant Edwards
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