To achieve dd copy, disk size and caracteristics must absolutely be the same
and not in use.
So, offline. If not, filesystem will become corrupted.
As required disk space is the same as for dd than mirror, why not just OS-level
mirror original
disks to new MA8000, then, once sync is done, break the original disks.
Then, rebuild your new disk layout from originam MA8000, mirror it back with
temp disks and
once sync is completed, remove temp disks ?
You can do this online without interrupting service.
Good luck,
Thierry
________________________________
De: Legato NetWorker discussion de la part de Tony Skalski
Date: mar. 20/09/2005 0:00
À: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Objet : Re: [Networker] SAN data migration
One of our Linux gurus came up with a neat trick: zone a LUN from each SAN (old
and new) into a Linux box and use dd. Very low tech. Very effective. Very fast.
ajs
Alain Richard wrote:
> I have a question for a SAN spécialist.
>
> I have to reorganise the disk in my SAN for a big 2TB client "Vrep"
> Windows file system. The data is in a storageworks MA8000(HSG80) and I
> want to move it temporarely in another MA8000(if possible or internaly if
> not). I dont want to make the copy by Windows becose it will take forever
> (10 Millon of files). Can I use an internal scsi command or some disk
> mirorring fonction to do the tricks?
>
> What will you do, what will be the step to follow?
>
> Thanks in advance.
> Alain Richard
> MRNF.
>
> To sign off this list, send email to listserv AT listserv.temple DOT edu and
> type "signoff networker" in the
> body of the email. Please write to networker-request AT listserv.temple DOT
> edu if you have any problems
> wit this list. You can access the archives at
> http://listserv.temple.edu/archives/networker.html or
> via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER
--
Tony Skalski
Systems Administrator
507-646-3227
ajs AT stolaf DOT edu
-------------------------------------------------------
St. Olaf College 1510 St. Olaf Avenue
Information and Northfield, MN
Instructional Technologies 55057-1097
=======================================================
To sign off this list, send email to listserv AT listserv.temple DOT edu and
type "signoff networker" in the
body of the email. Please write to networker-request AT listserv.temple DOT edu
if you have any problems
wit this list. You can access the archives at
http://listserv.temple.edu/archives/networker.html or
via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER
To sign off this list, send email to listserv AT listserv.temple DOT edu and
type "signoff networker" in the
body of the email. Please write to networker-request AT listserv.temple DOT edu
if you have any problems
wit this list. You can access the archives at
http://listserv.temple.edu/archives/networker.html or
via RSS at http://listserv.temple.edu/cgi-bin/wa?RSS&L=NETWORKER
|
