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| From: | Nikos Chantziaras <realnc@×××××.com> | ||
|---|---|---|---|
| To: | gentoo-user@l.g.o | ||
| Subject: | [gentoo-user] Re: How can I rewrite all empty sectors with zeros? | ||
| Date: | Mon, 23 Jul 2012 14:31:37 | ||
| Message-Id: | jujn3j$d2d$1@dough.gmane.org | ||
| In Reply to: | [gentoo-user] How can I rewrite all empty sectors with zeros? by Jarry |
||
| 1 | On 22/07/12 20:18, Jarry wrote: |
| 2 | > Hi, |
| 3 | > I want to backup my whole hard-drive (8 partitions) with: |
| 4 | > # dd if=/dev/sda | gzip > /path/image.gz |
| 5 | > |
| 6 | > In order to achieve good compression level I'd like to wipe |
| 7 | > out all empty space with zeros. How can I do that? |
| 8 | |
| 9 | That's the wrong way to do it. You should use a tool that only copies |
| 10 | the data, and then also backup the partition table. |
| 11 | |
| 12 | Or use partimage/clonezilla like Neil mentioned which does all that |
| 13 | automatically. |
| Subject | Author |
|---|---|
| Re: [gentoo-user] Re: How can I rewrite all empty sectors with zeros? | Simon <turner25@×××××.com> |
| Re: [gentoo-user] Re: How can I rewrite all empty sectors with zeros? | Jarry <mr.jarry@×××××.com> |