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Thread: Is N5200 really building RAID5?

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    Is N5200 really building RAID5?

    hey guys,

    i just got a N5200 but must say that i can't get past building raid 5 with 5 750GB WD7500AAKS drives. how do i know its really building it? on LCD, it says "RAID:Formatting Rai" and the web interface says its formatting. the DOM led is orange. Remaining time under RAID menu is 'N/A'. I'm on my second attempt trying to get Raid 5 going. The first try, after about 20 hours, did not finish so i shut down NAS and started over but it had all the signs it was building from the above statues. is 20 hours still not finished building RAID5 normal? how long should this be taking? am i just not being patient enough? its frustrating that there is no real way to see how far along the raid is being built from what i can tell. stock firmware is 1.00.09.

    please help... thanks!

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    Agent of the System ikonia's Avatar
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    I suspect 20 hours is WAY too long.

    I'd expect something in the region of say 3 - 6 hours to build a 5 disk array.
    It is Inevitable.....


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    i know for sure its not supposed to take 5-6 hours for a 5 disk raid 5 with 750GB drives. that would be really fast and nice... this is known to have long raid times. i read others saying around 12 hours for 5 500GB drives for raid 5. on my second attempt, its going about 16 hours so far but i'll give this more time than the first. i just hope its really building raid... help?

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    The King of Vague Steve B's Avatar
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    best thing you can do is wait it out
    it takes aaaaaaages to build the array with 5x750's.
    I've got 2x500's in mine, not started building yet

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    yeah im going to wait longer. i just dont want this on for half a week only to know it was never doing anything. hopefully by the 30-40 hour mark, it will work assuming it really is builing raid...

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    DR
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    You can login to the web panel and it tell you how far it's done (%age wise...)

    It takes about 30hours on a 52....

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    hey, where in the web panel does is show % complete? that would be really helpful. Under Storage > RAID it's showing Remaining Time: N/A. I'm guessing this is what you're referring to? Definitely don't see % complete anywhere in web interface either. any ideas?

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    Agent of the System ikonia's Avatar
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    interesting my box built a 8 x 320 gig raid 5 array in 5 hours so I would have expected similar for a 5 larger disk array.
    It is Inevitable.....


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    about 40 hours now and still no raid...

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    About 52 hours has passed and still "RAID:Formatting Rai" according to LCD. under Storage > Raid, Status is blinking "Formatting Raid ..." but Remaining Time is "N/A". Can someone from Thecus please help me?

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    I rebuilt mine on Friday (03/08/2007) just to see the difference in speed from changing thee stripe size from 64k to 128k. It started at 15:07 and finished the following morning at 06:51 (about 16hrs). I have 5 x 1000Gb IBM/Hitachi drives all in a RAID5 array and I set Data % to 75%. The amount done appeared under Storage -> Raid, from memory it was something like "Formatting Raid xx.x%"

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