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Author Topic: Fastest method for migrating data from one DNS-323 to another  (Read 10964 times)

Caneli70

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Fastest method for migrating data from one DNS-323 to another
« on: February 26, 2011, 06:38:50 PM »

Hi,

I'm sure this was covered somewhere before, but i can't find a straight answer for it. I have the following configuration:

1. OLD DNS-323 named "Backup Server" , 2 x 500 GB drives in RAID 1 mode. Disks are Full.
2. New DNS-323 named "Entertainment Server", 2 x 2TB drive in Standard disk mode.

I want to move or copy in the fastest and easiest way my movies/music/pictures (257 GB) data from Backup Server to Entertainment Server without chocking my network or going over network.


Please help with a script or an application or a step by step guide for migrating the data from one HD to another.

Thx,

Caneli
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TJ

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Re: Fastest method for migrating data from one DNS-323 to another
« Reply #1 on: February 26, 2011, 11:21:04 PM »

Since you're copying data to an entirely new box, you pretty much HAVE to copy your data over the network. If you're on a windows machine, this means using explorer, a sync tool, or ROBOCOPY if you want to shave a few mins off the total time. I use SyncBackPro in cases like this, because I can copy the data over for 6 or 7 hours or so while I'm sleeping, "cancel" the copy when I need to use the network, and just resume at my leisure.

You should be able to copy 257 GB overnight, or at the very least within 16 hours or so.
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lookingforinfo

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Re: Fastest method for migrating data from one DNS-323 to another
« Reply #2 on: February 27, 2011, 05:46:48 AM »

You can use the D-Link Scheduled Download application that will move files directly for the "Backup Server" to the "Entertainment Server".  The job would be scheduled on Entertainment Server.  The URL points to Backup Server, (\\192.168.1.??\Volume_1\directory\subdirectory\Movies).  The "Save to" location is straight forward but I do not know if you and create new folders as you schedule the download.

This will keep data from passing through your PC, and based on one test seems about 10% faster.

HTH
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Caneli70

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Re: Fastest method for migrating data from one DNS-323 to another
« Reply #3 on: February 27, 2011, 09:01:15 PM »

I did what Lookingforinfo suggested with the scheduled download. for some folders all the sub folders and files were copied but for others just the root folder but no files or sub folders. It seems Scheduled Download is incosistent or lmited by size or amount of files. Not sure.

I wonder if Fun_Plug & Rsync will be more reliable solution.

Another problem i encountered with the Schedule Download interface is that i can not see and control any of the download tasks which suppose to be listed in the Scheduling window or the Status window. The view was different in different web browsers. Firefox does not show the Download Tasks section at all. IE, Safari and Opera shows the Download Tasks Section but does not list any of the tasks which i have scheduled. anyone know of a solution?

FW: 1.09
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lookingforinfo

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Re: Fastest method for migrating data from one DNS-323 to another
« Reply #4 on: February 27, 2011, 09:16:58 PM »

When sub-folders and files were not copied, do you remember if you changed the "Type" from File to folder?  I have not done extensive testing yet.  My initial goal was to understand the values and formats for the parameters.

I used Safari.  I will try others tomorrow, it is 12:15 AM now.
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Caneli70

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Re: Fastest method for migrating data from one DNS-323 to another
« Reply #5 on: February 27, 2011, 10:27:54 PM »

I always changed the "Type" to Folder.
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lookingforinfo

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Re: Fastest method for migrating data from one DNS-323 to another
« Reply #6 on: February 28, 2011, 11:47:06 AM »

Caneli70-  My experience and been moving files and folders between two DNS-323 units and the biggest test was to move my iTunes library.  A comparison of directory sized looks like everything was copied.

As to using fun plug, I would think the total time would be longer.

As to information displayed using different browsers, on my Mac Mini I have used Safari and FireFox and see the same information under DownLoad Tasks.  I see the same when on a Win 7 machine using Chrome.
I am sorry I can not be of more help.  
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Caneli70

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Re: Fastest method for migrating data from one DNS-323 to another
« Reply #7 on: February 28, 2011, 11:11:07 PM »

What FW version are you running?

Thanks for your help.

I called Dlink for support with the missing information in the interface and will report if they resolve it.



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Tipstaff

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Re: Fastest method for migrating data from one DNS-323 to another
« Reply #8 on: March 01, 2011, 01:19:49 AM »

There are 2 methods you can try:

1) disk to disk cloning

2) NAS to local drive, local drive to other NAS copying.

Number 2 first. I ran into this situation recently where I was migrating a 500GB folder from one NAS to another. Scheduler just kept messing things up as it wouldn't properly do a folder from the root to the root of the other NAS as it wants it to be to a folder, and when it did do it I had missing data and or security was changed on some files making them inaccessible (plus if it stops while copying it can make the folder undeletable). Best way I did it was to use TeraCopy, copied my data to my local machine, then to the other NAS. Unless you don't care about this, DO NOT use Windows copy/paste as their creation/modified dates will change. Also, doing it this way is faster than NAS to NAS copying since you use your full networks bandwidth in one direction at a time rather than trying to go full tilt in 2 (doing so can increase your chance of packet loss or data corruption).

As for disk to disk cloning, this might be your best bet. Hookup the drives to a PC, and boot up using something like Norton Ghost (10 or higher), or Acronis True Image Home Edition 2010 or 2011. Both straight copy data AS IS (copying using Linux or Windows copy/paste can mess things up security wise, and data wise), and you can manually resize the partitions, or let the application do it for you (just be sure to leave the smaller partitions as is, and resize ONLY the data partition, and for Acronis be sure to uncheck the option for deleting the old partitions). I've used this method countless times for clients as well as myself when I migrated from 250GB to 500GB drives, and then to my current 1TB drives. It can take time, but it works like a charm.

The only issue I can see is that you are running RAID. Since I've never done the disk to disk cloning on a RAID setup I can't say what steps you need to do in order for it to work properly. You may need to setup the RAID first on the new NAS, clone BOTH drives, then restart the box with both in, or if you should clone 1 drive, insert it first, shut down, insert the other drive so it shows up as Volume_2, then RAID the drive (however I don't know if doing so will maintain the data on Volume_1, or erase it, and start a fresh RAID). Someone who knows more about running RAID on these might be better able to address that part of it.
« Last Edit: March 01, 2011, 01:26:59 AM by Tipstaff »
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Wiggs

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Re: Fastest method for migrating data from one DNS-323 to another
« Reply #9 on: March 01, 2011, 08:49:24 AM »

Using fun_plug would allow you to access the shell and use a cp or rsync directly between the 2 NAS boxs.  Using your desktop to move the files will be slower because you the flow of info will be:
Old NAS -> PC -> New NAS

Regards,

Wiggs
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Wiggs,

DNS-323, 2-500GB Seagate Drives, FW 1.08
D-Link DGS-1005G Gigabit Switch
Asus O!Play Air Media Player
WinXP PC
OpenSuse 11.2 PC
Macbook 5,2 - Snow Leopard

jamieburchell

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Re: Fastest method for migrating data from one DNS-323 to another
« Reply #10 on: March 03, 2011, 12:54:59 PM »

Remove one of the RAID disks and insert in to the new NAS with one of your 2TB drives. Use the internal file copy facility to transfer the data. Then remove the RAID1 disk.

Another, more complicated option- remove one of the RAID disks and one new 2TB disk (already formatted in the NAS) and attach them to spare SATA ports on your PC (assuming you have one) use Linux to copy files between the disks or use ext2fsd driver in Windows. You will need to make sure the file permissions and owner are set to a valid user on your new NAS, and this can only be done with a fun_plug.

There is no point using rsync if the destination is empty because of unnecessary overhead. Use cp instead if you go the shell route.
« Last Edit: March 03, 2011, 02:36:15 PM by jamieburchell »
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