DSM-G600, DNS-3xx and NSA-220 Hack Forum

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#1 2007-08-04 12:16:25

gustaf67
Member
Registered: 2007-08-01
Posts: 8

Swapping disk?

Hello
I have not got a DNS 323 but I am about to get me one. I wounder if You can help before buy one.
I think I have a good grasp over what the dns-323 is about but what if you where to use the standard concept (two seperated disk) and then stoped the dns-323 and removed  the hdd-2. Perhaps inserted a new disk (disk3)
Formated the new disk. add some nice data to it. Then stopped agin and removed disk3 and inserted the disk that I removed from the begining. What would happen then ? Would I be abel to access data that was original stored one this disk?

What I am thinking of is to use the disk more or less like floppys

Can this be done?


And he flung himself on his horse and rode madly off in all directions

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#2 2007-08-04 13:14:00

transstilben
Member
From: Germany
Registered: 2007-06-15
Posts: 45
Website

Re: Swapping disk?

I assume when you want to use two separate disks you do NOT want to use any kind of RAID.
For this case i have the following understanding of how data is stored on the box:

1.) The box formats and partitions the two disks.
2.) The data containing partitions get formated with EXT2 file system (actual firmware).
3.) You may at any time remove one of the disks, put in another disk and you
     will be able to read and write to the data containing partition(s).
4.) A prerequisite for "disk swapping" how you plan it is, that the box finds at any time exactly the
     partitions which it expects and even a special directory structure is expected.
     This prerequisite should be fullfilled if the disks got partitioned  and formated in the box itself.
5.) It may be that the contents of the flash storage of the box plays a role which impacts
     your disk swapping strategy especially concerning the first disk.
6.) If you want to keep it simple i would only swap the second disk.
7.) Be sure "who is who" concering disk numbering when starting your swap experiments

However i did NOT test it and my understanding may be wrong. But i.e. for the external connected USB disks a kind of "disk swapping" is possible.
Please let us know if and how your concept of disk swapping with the DNS-323 works if you actually bought a box.


DNS-323 FW1.03, 500GB-Samsung HD, 4-port USB-Hub, Clients: Vista Home Basic 64 bit, XP-Professional

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#3 2007-08-04 19:58:21

fordem
Member
Registered: 2007-01-26
Posts: 1938

Re: Swapping disk?

You can swap the disks as long as they are not in an RAID configuration, however, if you have it configured for email alerts, it will send you a disk failure alert every time a disk is swapped.

Having said that - whilst SATA connectors are designed for hot swapping, they are not designed for frequent connect/disconnect cycles and frequent disk swapping WILL cause premature failure.

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