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Forum Discussion
Odd disk usage question
Hi To all!
I have only had my ReadyNAs Duo V1 for a month now so in all probability i am probably doing something wrong - but here goes...
Unit has on 2TB drive and has been factory reset to run as JBOD, with the intention of running 2x2TB giving an expected max capacity of 3.6TB over the two drives.
I have one user (streamer) on the unit, with a quota of 2000000 - which i hope is 2TB (or there abouts!) and one share (video).
I have for the last month been backing up my dvd collection to iso imagesthe directory heirarchy i created in the share above.
Now here is the odd thing.
The ReadyNAS web interface shows drive C as being 1558 GB (84%) of 1845 GB used, but in Windows under the network share i am seeing a used space of 1.52Tb (1,673,030,090,752) and only 4.36Gb (4,691,509,248) free.
So i am wondering where my expected 300Gb has gone. Can anyone please tell me a way of working out what has happened.
Thanks
T.
I have only had my ReadyNAs Duo V1 for a month now so in all probability i am probably doing something wrong - but here goes...
Unit has on 2TB drive and has been factory reset to run as JBOD, with the intention of running 2x2TB giving an expected max capacity of 3.6TB over the two drives.
I have one user (streamer) on the unit, with a quota of 2000000 - which i hope is 2TB (or there abouts!) and one share (video).
I have for the last month been backing up my dvd collection to iso imagesthe directory heirarchy i created in the share above.
Now here is the odd thing.
The ReadyNAS web interface shows drive C as being 1558 GB (84%) of 1845 GB used, but in Windows under the network share i am seeing a used space of 1.52Tb (1,673,030,090,752) and only 4.36Gb (4,691,509,248) free.
So i am wondering where my expected 300Gb has gone. Can anyone please tell me a way of working out what has happened.
Thanks
T.
15 Replies
- Same speed for both volumes?
Can you try a direct-connection: How to Direct Connect to your ReadyNAS
Also note there are some performance issues with 4.1.8
There is a new beta: http://www.readynas.com/forum/viewtopic.php?f=17&t=59222 - Wow - now thats really interesting i am suprised you can do that.
Either way, followed all those instructions, connecting the NAS directly to the port on my patch panel which is connected to PC gives a transfer rate of 13.5Mbs (as reported by Windows). Phew - I'm not sure i would expect any more than that - is that reasonable ?
I havent tried the beta software yet - will give that a go later and report back.
Thanks
T. - Megabit per second or MegaBytes/s. If you mean MB/s then that performance is excellent for 100 megabit ethernet. Does your PC have a gigabit NIC?
- i (think) i mean megabytes - i was looking at the file transfer window windows displays when dragging and dropping a file onto the NAS.
I will check it with FTP and see what it reports.
However that was direct connect, with the switch in the way then i only see 4 megabytes per sec - which i think is a bit poor.
PC has GBit NIC but i dont have that on the switch.
Update
Ftp read from NAS through the switch
ftp: 4676780032 bytes received in 440.11Seconds 10626.41Kbytes/sec.
Ftp write to NAS through the switch
ftp: 4681418752 bytes sent in 633.28Seconds 7392.28Kbytes/sec.
The read speed is about all you can expect with a 100 mbit switch. Clearly something else is slowing down the writes a bit. RAID writes are slower than reads (since the reads can potentially be spread across the two drives, but the writes need to be done on both). The performance issues in 4.1.8 certainly won't help.Trumble wrote: Ftp read from NAS through the switch
ftp: 4676780032 bytes received in 440.11Seconds 10626.41Kbytes/sec.
Ftp write to NAS through the switch
ftp: 4681418752 bytes sent in 633.28Seconds 7392.28Kbytes/sec.
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