Date: Fri, 04 Jan 2002 07:31:28 -0600 From: jacks@sage-american.com To: "Seamus.Venasse" <Seamus.Venasse@polaris.ca>, "'Scott Gerhardt'" <scott@gerhardt-it.com>, "'FreeBSD'" <freebsd-questions@FreeBSD.ORG> Subject: RE: Backup using TAR Message-ID: <3.0.5.32.20020104073128.01946370@mail.sage-american.com> In-Reply-To: <005101c194e0$c719b360$8b7b7ed8@tornado> References: <KPEMLBLEMPMHGLJOCDEGMEDMDGAA.scott@gerhardt-it.com>
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I thought the tar "-p" option maintained the "permissions" (ownership)
*************************************************************
-p
--same-permissions
--preserve-permissions Extract all protection information.
--preserve Has the effect of -p -s.
*************************************************************
At 09:29 PM 1.3.2002 -0800, Seamus.Venasse wrote:
>> -----Original Message-----
>> From: owner-freebsd-questions@FreeBSD.ORG
>> [mailto:owner-freebsd-questions@FreeBSD.ORG] On Behalf Of
>> Scott Gerhardt
>> Sent: January 2, 2002 12:27 PM
>> To: FreeBSD
>> Subject: Backup using TAR
>>
>>
>> I am experimenting with tar as a mechanism to do a full
>> backup of my system. I would like to backup the entire system
>> to file which will later be copied to cd (roughly 450MB).
>>
>> Here is the command I'm using:
>>
>> tar cpf /usr/archive/full-backup-`date '+%d-%B-%Y'`.tar
>> --directory / --exclude=/usr/ports --exclude=/mnt
>> --exclude=/usr/archive --exclude=/proc .
>>
>> What other directories should I exclude?
>> Are there any other recommended parameters?
>>
>> I've looked at the tar manpage but it is a little overwhelming.
>
>Your exclusions look fine, but I would suggest looking at gnutar
>(/usr/ports/archivers/gtar) if you want a "complete" backup. In that, I
>mean the version of tar that comes with FreeBSD, v1.11.2, does not have
>the capability of backing up the numeric values of the user/group field.
>Extracting a file using the stock tar command will result in the files
>being owned by the user extracting the archive if the user/group
>specified in the tar file does not exist on in the passwd/group files.
>
>I use the gnutar command to perform my backups for offsite storage, and
>I ensure that the files are owned by the proper users/groups by backing
>up the numeric values. At least have a look at gnutar... You can always
>uninstall it. :)
>
>Seamus
>
>
>To Unsubscribe: send mail to majordomo@FreeBSD.org
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>
>
Best regards,
Jack L. Stone,
Server Admin
Sage-American
http://www.sage-american.com
jacks@sage-american.com
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