Re: HDD duplication in RH7.3 - dd_rescue

2002-09-04 Thread Joachim Breuer
"karhong ng" <[EMAIL PROTECTED]> writes: > I have an internal HDD running under RH7.3. I would like to purchse > a second HDD(usb external) of same geometry, and use it as a > bootable snapshot of the first internal HDD. > > I wish to make a whole disk bootable backup regularly via this > method.

Re: HDD duplication in RH7.3

2002-09-03 Thread Stephen C. Tweedie
Hi, On Mon, Sep 02, 2002 at 02:25:11PM -0400, Theodore Ts'o wrote: > On Mon, Sep 02, 2002 at 11:27:50AM +0100, Stephen C. Tweedie wrote: > As a note, the EVMS snapshot functionality has this capability as > well, with two additional features beyond that of the LVM code: > ... > 2) The snapshot

Re: HDD duplication in RH7.3

2002-09-03 Thread Theodore Ts'o
On Mon, Sep 02, 2002 at 11:27:50AM +0100, Stephen C. Tweedie wrote: > > Yes --- we don't have the initial blocks in memory in ext3 any more > than in ext2. > > However, ext3's journaling _does_ mean that it's really easy to > completely quiesce the filesystem and mark it temporarily clean, so >

Re: HDD duplication in RH7.3

2002-09-02 Thread Stephen C. Tweedie
Hi, On Mon, Sep 02, 2002 at 12:04:47PM +0200, Daniel Veillard wrote: > Hum, can we hazard in enhancement requests land ? Multics in the 70's > had that feature allowing to snapshot and backup coherent versions of > a filesystem while live. The evolution from ext2 to ext3 seems to make > this f

Re: HDD duplication in RH7.3

2002-09-02 Thread Daniel Veillard
On Mon, Sep 02, 2002 at 10:11:24AM +0100, Stephen C. Tweedie wrote: > On Mon, Sep 02, 2002 at 12:27:35AM +0800, karhong ng wrote: > > > I have an internal HDD running under RH7.3. I would like to purchse a second >HDD(usb external) of same geometry, and use it as a bootable snapshot of the firs

Re: HDD duplication in RH7.3

2002-09-02 Thread Stephen C. Tweedie
Hi, On Mon, Sep 02, 2002 at 12:27:35AM +0800, karhong ng wrote: > I have an internal HDD running under RH7.3. I would like to purchse a second HDD(usb >external) of same geometry, and use it as a bootable snapshot of the first internal >HDD. > > I wish to make a whole disk bootable backup re