Gentoo Archives: gentoo-user

From: Neil Bothwick <neil@××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: rsync to a USB stick
Date: Mon, 31 May 2010 09:03:50
Message-Id: 20100531090909.792da6d0@digimed.co.uk
In Reply to: [gentoo-user] Re: rsync to a USB stick by Grant Edwards
1 On Sun, 30 May 2010 14:20:36 +0000 (UTC), Grant Edwards wrote:
2
3 > > You're assuming that each backup only writes once, which is far from
4 > > true. If you mount a drive with the sync option, the FAT is updated
5 > > for every block you write, so even a single file can cause thousands
6 > > of writes to the same location.
7 >
8 > And you're assuming that the flash controller chip in the USB drive
9 > doesn't do wear-leavelling.
10
11 Even with wear levelling, writing in sync mode still does thousands of
12 writes. They may be more spread out, but there are still a lot more than
13 one per day and the previous assumptions are still false.
14
15
16 --
17 Neil Bothwick
18
19 Law of Mechanical Repair: After your hands become coated with
20 grease, your nose will begin to itch.

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[gentoo-user] Re: rsync to a USB stick Grant Edwards <grant.b.edwards@×××××.com>