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Questions about ReadyNAS Duo v1 RND2150
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Greetings Fellow Geeks & Cryptids.
I recently acquired a ReadyNAS Duo v1 RND2150. I was able to get into the management UI through Win7 and Internet Explorer on an old laptop 😏, update the firmware to the latest-available on the Netgear site, and to set up some shares on a test HDD. It seems to be working fine even though the RAIDar application can't find it on the LAN 😖
I have some questions...
- Can this NAS "see" more than 4Tb?
- Is there an open-source alternative OS out there to unlock more of its features?
- Will it perform better if I upgrade the RAM from 256Mb to 512Mb?
Thanks, in advance...
—Hafizullah
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The labeling can be confusing, so just be certain you have the Duo v1...
The original Duo (called v1 here)
- runs 4.1.x firmware
- says "ReadyNAS Duo" on the front panel
The Duo v2 (a completely different hardware platform)
- runs 5.3.x firmware
- says "ReadyNAS Duo v2" on the front panel
There are other two-bay ReadyNAS that run 4.2.x or 6.x firmware. They don't have any labels that say "Duo".
@hafizullah wrote:
- Can this NAS "see" more than 4Tb?
The maximum disk size is 2 TB. So the max RAID-1 volume size would be 2 TB.
If you use RAID-0 or two JBOD volumes, you can get 4 TB of total storage. IMO two JBOD volumes is a better path than RAID-0.
@hafizullah wrote:
- Is there an open-source alternative OS out there to unlock more of its features?
No.
@hafizullah wrote:
- Will it perform better if I upgrade the RAM from 256Mb to 512Mb?
It's a very old hardware design. The CPU is a custom processor designed back in 2005. (It uses the Sparc instruction set and adds some hardware acceleration for RAID).
Increasing the RAM might improve the performance a little bit. However, the performance bottleneck is actually the CPU.
FWIW, The Duo is rather fussy on memory timing. Some folks have found their unit didn't boot when they replaced the stock RAM.
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The labeling can be confusing, so just be certain you have the Duo v1...
The original Duo (called v1 here)
- runs 4.1.x firmware
- says "ReadyNAS Duo" on the front panel
The Duo v2 (a completely different hardware platform)
- runs 5.3.x firmware
- says "ReadyNAS Duo v2" on the front panel
There are other two-bay ReadyNAS that run 4.2.x or 6.x firmware. They don't have any labels that say "Duo".
@hafizullah wrote:
- Can this NAS "see" more than 4Tb?
The maximum disk size is 2 TB. So the max RAID-1 volume size would be 2 TB.
If you use RAID-0 or two JBOD volumes, you can get 4 TB of total storage. IMO two JBOD volumes is a better path than RAID-0.
@hafizullah wrote:
- Is there an open-source alternative OS out there to unlock more of its features?
No.
@hafizullah wrote:
- Will it perform better if I upgrade the RAM from 256Mb to 512Mb?
It's a very old hardware design. The CPU is a custom processor designed back in 2005. (It uses the Sparc instruction set and adds some hardware acceleration for RAID).
Increasing the RAM might improve the performance a little bit. However, the performance bottleneck is actually the CPU.
FWIW, The Duo is rather fussy on memory timing. Some folks have found their unit didn't boot when they replaced the stock RAM.