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Author Topic: Slow Access Speed  (Read 2778 times)

colincecil

  • Level 1 Member
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  • Posts: 3
Slow Access Speed
« on: April 29, 2011, 05:30:01 AM »

For a few weeks now I have been experiencing exceeding slow read times on the DNS-323 when I first access a directory, particularly if there are many files and/or folders in the directory.  Once I have entered the directory the performance increases which might suggest and indexing issue.  Is there a way to force the DNS to rebuild the indexing on one or both disks?

The system information is:
Firmware version: 1.09

Hard Drive Info:
Volume Name:    Volume_1
Volume Type:    RAID 0
Total Hard Drive Capacity:    490402 MB
Used Space:    137417 MB
Unused Space:    352984 MB

Volume Name:    Volume_2
Volume Type:    JBOD
Total Hard Drive Capacity:    1231303 MB
Used Space:    330721 MB
Unused Space:    900582 MB

Physical Disk Info: 
Slot   Vendor   Model                            Serial Number           Size
Right   WDC           WD15EARS-00Z5B1    WD-WMAVU1880082   1500 G   
Left   Maxtor   6Y250M0                    Y61323VE                   251 G

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mihies

  • Level 2 Member
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  • Posts: 29
Re: Slow Access Speed
« Reply #1 on: April 29, 2011, 05:39:17 AM »

Perhaps your unit goes to sleep?
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fordem

  • Level 10 Member
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  • Posts: 2168
Re: Slow Access Speed
« Reply #2 on: April 29, 2011, 09:08:02 AM »

I know this does not relate to the question you asked, but I noticed that you are running RAID0 & JBOD - please be aware that failure of a disk will result in your data becoming inaccessible, so be sure to back it up regularly.
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RAID1 is for disk redundancy - NOT data backup - don't confuse the two.

colincecil

  • Level 1 Member
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  • Posts: 3
Re: Slow Access Speed
« Reply #3 on: April 29, 2011, 07:29:46 PM »

fordem: thanks for the reminder ... I do back up regularly

mihies: no, this is after repeated accesses so the unit should be active
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colincecil

  • Level 1 Member
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  • Posts: 3
Re: Slow Access Speed
« Reply #4 on: July 06, 2011, 08:01:21 PM »

More info - I am still have dreadful access speeds to display directories on my OSX 10.6.8 MacBook Pro, with my music folder taking over 2 minutes to display.  My daughter's Windows 7 PC takes less than two seconds to access the folder.

Read speed from the NAS to the MacBook is OK at over 150Mbps.  Any thoughts on why the directory display is such a dog from a Mac?
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