Gentoo Archives: gentoo-user

From: Helmut Jarausch <jarausch@××××××××××××××××.de>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] USe rsync to backup RAID0 to RAID1?
Date: Fri, 16 Apr 2010 07:06:29
Message-Id: tkrat.a9fffc5c2ce18250@igpm.rwth-aachen.de
In Reply to: Re: [gentoo-user] USe rsync to backup RAID0 to RAID1? by Neil Bothwick
1 On 16 Apr, Neil Bothwick wrote:
2 > On Thu, 15 Apr 2010 14:30:04 -0700, Mark Knecht wrote:
3 >
4 >> I would like to back up a mounted RAID0 to a mounted RAID1.
5 >
6 > The RAID makes no difference, because rsync works at the filesystem level.
7 >
8 >> Would the following command be appropriate to backup /virdata on
9 >> RAID0 to /backups on RAID1?
10 >>
11 >> rsync -avx /virdata/. /backups/.
12 >
13 > Yes, although the use of -v makes it harder to see any errors that may
14 > occur.
15 >
16 >> It appears that maybe the -a option wouldn't copy the links?
17 >
18 > It does.
19
20 I don't think it copies hard links, as well.
21 Therefore I prefer the additional option -H
22 Furthermore I add the -u option for not overriding files on the
23 destination which are newer.
24
25 Helmut.
26
27 --
28 Helmut Jarausch
29
30 Lehrstuhl fuer Numerische Mathematik
31 RWTH - Aachen University
32 D 52056 Aachen, Germany