The easiest way to migrate to another (bigger) hard drive?
Rick Stevens
rstevens at vitalstream.com
Thu Apr 29 23:17:47 UTC 2004
jludwig wrote:
> On Thu, 2004-04-29 at 16:11, Dhananjay Makwana wrote:
>
>>Have a look at frisbee
>>http://www.cs.utah.edu/flux/papers/frisbee-usenix03-base.html
>>
>>They have as part of it imagezip, imageunzip programs that you can use
>>to zip, unzip the whole hard disks.
>>We have successfully used it to prepare clone machines with larger
>>disks.
>>
>>All the best,
>>-Jay
>>
>>On Thu, 2004-04-29 at 16:00, WipeOut wrote:
>>
>>>Hi,
>>>
>>>Been trying to work out the easiest way to move from one hard drive to
>>>another and be able to change the size of the partitions..
>>>
>>>I looked at dd but the disk geometry has to be the same so thats a problem..
>>>
>>>I tried ghost but it had issues..
>>>
>>>Basically I have two 40GB drives with two RAID 1 partitions (md0 and md1)..
>>>
>>>md0 is / and md1 is an LVM PV with a number of LV's (/home /var /data
>>>and SWAP) on it..
>>>
>>>The only way I can think of to do it is to boot from one of the live CD
>>>type distros and have one of the old drives and one of the new drives
>>>connected and then partition the new drive, mount it and then copy the
>>>data from one to the other.. Then change over to the other old drive
>>>(the mirror) and the second new drive and do the same again..
>>>
>>>This seems very time consuming, laborious and prone to error..
>>>
>>>Is there any other way to clone Linux drives that will also allow me to
>>>use drives with different geometry and hopfully be able to resize the
>>>LVM partition to make use of the space??
>>>
>>>Later..
>>>
>
> If I understand what you want to do, then you could tar the files and
> directories from root up and move them over as one big file.
> Remember there are directories that could be reloaded S.A. /bin, /sbin
> and then upgraded.
Or (on the existing system):
# cd /
# tar cvpP -x /dev -x /proc -f /dev/st0 *
And on the new system, install the the system and
# tar xvpPkf /dev/st0
It's clunky, but it works--assuming the new system is already bootable.
> In any case I have found moving to 'new media' is always time intensive.
Yup. Sure is.
----------------------------------------------------------------------
- Rick Stevens, Senior Systems Engineer rstevens at vitalstream.com -
- VitalStream, Inc. http://www.vitalstream.com -
- -
- "The Schizophrenic: An Unauthorized Autobiography" -
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