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On Friday 13 May 2011 20:11:01 James Wall wrote: |
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> On Thu, May 12, 2011 at 7:09 PM, Andrew Lowe <agl@×××××××.au> wrote: |
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> > On 13/05/2011 5:00 AM, Tanstaafl wrote: |
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> >> Probably a dumb one, but... |
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> >> |
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> >> I have /home, /usr and /var on separate partitions... |
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> >> |
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> >> If I want to image my system prior to the update 'just in case' |
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> >> something goes south, am I correct that all I need to worry about is /, |
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> >> since /etc is located there? |
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> >> |
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> >> In other words, is anything on /usr or /var touched during this update? |
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> > |
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> > If you want to be reeaallyyy safe, and want an image and not a |
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> > backup, grab the latest copy of SystemRescueCd, a couple of TB of usb |
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> > external drive space, which is very cheap these days, and use partImage |
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> > to grab a true image of your whole system. I started doing this recently |
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> > and it's saved me once so far. Things "flew apart big time" for me |
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> > recently, a disk failure, I rebooted into the rescue cd and hey presto, |
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> > 30 minutes later, everything was good. |
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> > |
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> > Andrew |
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> |
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> Another tool which will work well is dd. |
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> as an example to back up my laptop before experimenting with new |
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> distros, I do dd if=/dev/sda of=/mnt/backup/jalopy.img bs=2M to back |
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> up the drive for a bare metal restore of the 40 GB hard drive. |
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> |
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> James Wall |
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Is the bs=2M important? Should one use the block size of the drive? |
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-- |
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Regards, |
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Mick |
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