clone PE2950

J. Epperson Dell at epperson.homelinux.net
Wed Jun 11 16:25:53 CDT 2008


On Wed, June 11, 2008 17:16, Patrick_Boyd at dell.com wrote:
> I'm guessing the disks aren't in RAID? If they are just yank one drive
> out of A, put it in B. Then let them both rebuild.
>
> -----Original Message-----
> From: linux-poweredge-bounces at dell.com
> [mailto:linux-poweredge-bounces at dell.com] On Behalf Of J. Epperson
> Sent: Wednesday, June 11, 2008 4:10 PM
> To: linux-poweredge-Lists
> Subject: Re: clone PE2950
>
> On Wed, June 11, 2008 16:03, Mad Unix wrote:
>> I want to clone a PE2950, form Server A to Server B.
>> The two servers have same configuration OS RHEL5.0 64bit with
> 2xInternal
>> disk 73GB
>> any ideas ? __.__
>>
>
> Have not seen g4l in the ensuing conversations, so I'll recommend that.
> Available via sourceforge.net as an iso.  You'll need something else on
> the network that will serve at least temporarily as an ftp server,
> either
> anon or otherwise and that can take the compressed image in terms of
> space.  Do a "dd if=/dev/zero > bigzerofile;rm bigzerofile" in each
> local
> filesystem to zero out the free space before booting g4l.  Will make the
> compressed image much smaller and the clone time much shorter.  I
> typically see image sizes of 30% of the filespace in use on the cloned
> disk.
>
> You'll get a bit for bit clone of the existing box.  All g4l consists of
> is a busybox boot environment with netcat and some scripts, but it's
> front-ended fairly nicely and well-maintained as to drivers.  Current
> version works fine on our 2850s, no 2950s in the environment.  I think
> I've had to back off a version or two of g4l for some older hardware.
> Earlier versions also available at sourceforge.  I think the download is
> only about 25Mb, IIRC, not nearly a full CD, anyway.
>
>

Oh, duh.  I'm usually working with RAID5s that won't lend themselves to
that, but for RAID1 it's almost certainly the simplest solution.  Good
one, Patrick.



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