On Tue, 30 Sep 2003, Ian Blenke wrote:
> Meyer, David R wrote:
> > One of our Open Source products at CA is our Bare Metal Restore product
> > for Linux systems. The question is...
> >
> > "If I havea crash and replace my hard drive, and it happens to be a
> > larger hard drive than was in there when the DR media was created, will
> > it work?"
>
> It depends. There are geometry issues that can cause confusion. Things
> like booting booting may be impacted (different BIOS representations of
> geometries of drives causes int13 calls to return incorrect blocks
> during bootstrap, particularly in older BIOSes). Geometry changes also
> tend to cause fdisk to report incorrect partition tables, and tend to
> confuse the admin.
Oh yeah, you'll probably have to rewrite the bootloader and the partition
table if they doesn't work.
> After adding the space, you will need to use a "growfs" tool like
> resize2fs/xfs_growfs/resize_reiserfs to make the space usable by a given
> filesystem.
That's true, if you intend to use the whole disk in an existing partition.
Maybe you should back up as tar/cpio files, which would eliminate this
problem?
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