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Author Topic: Upgrading to 2TB  (Read 3829 times)

Clayton

  • Level 3 Member
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  • Posts: 162
Upgrading to 2TB
« on: April 10, 2010, 06:08:54 PM »
Hi, I have 2 X 1.5TB dives running RAID1 and I want to upgrade them to 2TB, would replacing one drive with a 2TB drive then rebuilding it and adding the other 2TB drive work?
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gunrunnerjohn

  • Level 11 Member
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  • Posts: 2717
Re: Upgrading to 2TB
« Reply #1 on: April 10, 2010, 06:15:52 PM »
Nope.  You'd end up with a 1.5TB array and 500GB left over as a non-RAID partition.
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Microsoft MVP - Windows Desktop Experience
Remember: Data you don't have two copies of is data you don't care about!
PS: RAID of any level is NOT a second copy.

m2k3423

  • Level 2 Member
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  • Posts: 29
Re: Upgrading to 2TB
« Reply #2 on: April 12, 2010, 12:44:06 AM »
Agree, it cannot be done within the DNS323 ... but .... if you are comfortable with telnet/ssh (i.e. you had in some point installed fun_plug) and is familiar with linux, I can show you a step-by-step method how you can achieve that (have done exactly what you wanted on two DNS323).  In whatever way you are going to do this, a reminder here to backup all your data. Any operation like what you described has great potential to  destroy all your data in the RAID array.

Another point:  2TB is the largest drive capacity the current PC-era partition table will allow. This is to say that the current DNS323 firmware cannot handle any drive capacity larger than 2TB. Without changing the firmware to use GUID partition table (like OS X had always done, or Windows Vista/7 recently), drive capacity larger than 2TB cannot be supported.

Given the above, IMHO, it is not worth the trouble for an additional 500GB.  For my case, I went from 650GB to 1.5TB. It is better to buy another DNS323, keep DLINK happy and give us something to excite over soon.
« Last Edit: April 12, 2010, 12:46:56 AM by m2k3423 »
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chaicl

  • Level 1 Member
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  • Posts: 1
Re: Upgrading to 2TB
« Reply #3 on: April 13, 2010, 05:38:12 AM »
Hi m2k3423,

   Appreciate if you can provide the instructions to do the manual transfer when swapping in larger harddisk in RAID.  I have been holding off upgrading because of the need to do massive transfer across the network...

   Thanks!
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gcimmino

  • Level 1 Member
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  • Posts: 2
Re: Upgrading to 2TB
« Reply #4 on: April 15, 2010, 10:57:34 AM »
I too would like to see the recipe for doing an "in place" upgrade/expansion.  A friend has a DNS-323 with dual 400G drives in RAID1 and we'd like to take it to dual 1.5T drives.

The DNS-323 is used solely as a backup target, so there's not really a data loss issue, but I would like to be able to transfer data easily from the 400G to the 1.5T drives.

Thank you
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