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Forum Discussion
faceface
Jan 21, 2014Follower
Should I buy the 104?
Hello, I'm about to dip my toe in the NAS pool... Currently weighing up the DS413j vs. RN104 (planning to use 4x3Tb Toshiba DT01ABA in either). I'm both excited and cautious about the idea of BT...
rit1
Jan 29, 2014Aspirant
You are likely to hit performance issues with the 104 if you are doing a number of things against it at once. With 9TB of storage (I'm guessing RAID5) the device will be tracking a large amount of general disk meta data - the directory and block structure that defines the file system. If the device is support single user tasks the memory it has available for data is OK, but the cache becomes overloaded if there are a number of tasks working in different areas of the file system at once. The same is also true for the CPU, as any operation that does not get blocked by the disks will fully load the CPU.
As for BTRFS, Netgear are currently cheating as they use BTRFS on top of standard RAIDed disks, rather than leave BTRFS to do the raiding work. The reduces the number of 'new' features that have to be perfect, while leaving the same old problems of RAID setup/rebuild times.
The 104 makes a nice little single use home device (which is what I have), but if you plan to do a lot then the 413 would be a better option because of its memory and CPU.
As for BTRFS, Netgear are currently cheating as they use BTRFS on top of standard RAIDed disks, rather than leave BTRFS to do the raiding work. The reduces the number of 'new' features that have to be perfect, while leaving the same old problems of RAID setup/rebuild times.
The 104 makes a nice little single use home device (which is what I have), but if you plan to do a lot then the 413 would be a better option because of its memory and CPU.
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