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

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#1 2008-11-06 20:26:06

potad
Member
Registered: 2008-07-12
Posts: 8

Slow performance over time...

I'm running on firmware 1.05 and i've been noticing a constant problem with my DNS-323.  It seems that it gets slower over time, especially after a large file transfer.  Rebooting the NAS seems to resolve the issue, but it always keeps crawling back.  Last night I did an rsync backup from my PC to the NAS and it took forever.  The network monitor in the Task Manager says it never got higher than about 9MB/s.

I'm running on a gigabit network that I've verified that it's working properly.  Again, file transfers are pretty fast most of the time but performance slowly degrades to the point where rebooting the 323 is the only solution.

Any idea?

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#2 2008-11-07 20:06:45

potad
Member
Registered: 2008-07-12
Posts: 8

Re: Slow performance over time...

Anyone?

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#3 2008-11-15 05:08:32

potad
Member
Registered: 2008-07-12
Posts: 8

Re: Slow performance over time...

No one else is having this issue?

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#4 2008-11-15 12:51:36

Biscotte
Member
Registered: 2007-05-21
Posts: 81

Re: Slow performance over time...

No, no, no, three times no.  And i regularly move large chunks of data. 

This board is lively enough that if someone else experienced the same, or had an answer, you would have had an answer by now. 

Biscotte

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#5 2008-11-15 16:12:59

quattro
Member
Registered: 2008-10-28
Posts: 21

Re: Slow performance over time...

potad, please do some testing on your own.
noone else seems to experience the same problems, so the only information _about_ the problem must come from you.
if we habe this information, someone maybe come up with a solution.

here some tipps for testing:
try to narrow it down as much as you can.

you said rsync gets slower.
how about samba and ftp?

try oth directions (read from, write to the device..)

try wget on the nas.

what happens if you restart the rsyncd (on the nas and/or on the computer)

look at the log, search the running processes for anything unusual.

it may well be possible that you find the solution yourself just by testing thoroughly.
if you do, please post it here just in case someone else has a simmilar issue in the future.

hope that helps

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#6 2008-11-15 22:31:42

bq041
Member
From: USA
Registered: 2008-03-19
Posts: 709

Re: Slow performance over time...

Also, are you attempting to use jumbo frame, or could you possibly have jumbo frame enabled on 1 or more of the devices.  This requires the devices to have the same settings and requres Gbit components that support jumbo frame between the 2 points (switches and/or routers).


DNS-323     F/W: 1.04b84  H/W: A1  ffp: 0.5  Drives: 2X 400 GB Seagate SATA-300
DNS-323     F/W: 1.05b28  H/W: B1  ffp: 0.5  Drives: 2X 1 TB  WD SATA-300
DSM-G600   F/W: 1.02       H/W: B                Drive:  500 GB WD ATA

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#7 2008-12-10 01:25:07

potad
Member
Registered: 2008-07-12
Posts: 8

Re: Slow performance over time...

Well, let's see...

1. Jumbo frames are enabled for both my NIC and on the NAS.
2. I've tried both FTP and Samba transfers.
3. Running firmware v1.05.

The results are all the same: the more I transfer, the slower it gets over time.  Rebooting the NAS brings the speeds back up to what they should be (roughly 20MB/s).  Just the other day I was transferring a roughly 500MB video file to the DNS323 through my mounted share in XP and I was getting around 300-500KB/s.  Yeah, KB/s.

I noticed that there's a new firmware update listed on one of these thread (v1.06b65), should I give it a shot?  If this doesn't work out i'm thinking of just building a little Linux file server.

Thanks for the help, guys.

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