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rndp6000-200 saga continues :-(
so my saga continues. I ahve all good drives now, with zero unrecoverable sectors. I was able to make a raid1 array no problems with it. XRAID.
I got in another pair of identical drives, verified they also have zero errors, pass smart, etc etc.
I slide one drive in and the unit sees it, and it flips to raid 5 and starts to add it to the array... I think all is well finally! percentage goes up fairly well... couple hours go by, I take a shower and come back and see it sitting at like 2.12% with over 1000 hours estimated time. I run a quick SMARTCTL on the drives and the 1 Raw_Read_Error_Rate and 195 Hardware_ECC_Recovered were climbing through the roof.
issues always seem to appear when I start to use more than those first two bays in this 6000... could be my imagination, but I've been around electronics a lot including EE in college... LOL, usually my gut is right 😞 I trust my gut, but always verify the data ! you guys know what I mean I'm sure 😉
Could I have a bad backplane in this unit? is this common at all in these things?
I have a rn104 that I just got in (badly packaged and the door broke in transit, but seems to work and the seller was super cool) I formatted and placed 4 of these drives into and the RAID array is initializing synching, now. I still see those errors in smartctl though things are working, the percentage is going up, and time to complete is going down quite a bit until it will stabilize.
how long should it take to initialize 4 x 8tb 7200 rpm drives in a rn104?
how can I verify the backplane in the 6000? I was thinking about getting 6 100gig drives and trying that... I I cannot afford 6 mor e8TB drives, and the time for resynch is killing me over here LOL... I figure 100gid drives will be super cheap and quper quick to synch for testing...
thoughts? oh, and anyone have any MB's or backplanes available for a 6000? I'm thinking maybe I just swap out the backplane and start with that, the backplane can't be too expensive.
I have yet to open this up to see if there is anything awry in there... hell, it could just be a loose cable or something stupid as the previous owners did upgrade memory and possibly cpu in this thing...
thank you all for the help! any thoughts are appreciated. this whole thing is just simply frustrating I'm afraid 😞
Mike B
so I think I found the root cause of my issue 🙂
I verified everything was good, from PSU, to the drives, the CPU, to the connections... everything... except for one item, the memory.
I ran a memory test and the error count kept rising and rising took like 15 mins to get to 747 errors...
I pulled one module out and the errors went away.
I replaced them both with one of mine from the shelf and it verified perfection, 0 errors.
so I threw 6 256G drives in, started a factory reset (which never really completed before), and it went through first pass, no issues and really quickly.
I'm initializing the array right now 6x265G drives and it says it should only take an hour and a half... so far things are fully usable and operational even during the array initialization (resynch).
So it's looking good right now but I don't wanna jinx anything 🙂 I'll ahve to dig out 2x4Gig DDR2 ram sticks... I have a full tray of 4G ram, wish I could use those, there are maybe 36 sticks sitting there in the tray gathering dust on the cover ;-(
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exibar wrote:
how can I verify the backplane in the 6000?
You can put create a volume on one drive, and then systematically boot the system up with the disk in each bay. Then run the disk test (on the volume settings wheel), and see what happens.
exibar wrote:
I run a quick SMARTCTL on the drives and the 1 Raw_Read_Error_Rate and 195 Hardware_ECC_Recovered were climbing through the roof.
issues always seem to appear when I start to use more than those first two bays in this 6000...
FWIW, that suggests it could be power related.
StephenB wrote:
exibar wrote:how can I verify the backplane in the 6000?
You can put create a volume on one drive, and then systematically boot the system up with the disk in each bay. Then run the disk test (on the volume settings wheel), and see what happens.
I did test creation of a new single drive volume in each bay, but I was not aware of that drive test. I have my test drive ready to go, it's a 2TB, I'll pop that into the 3rd bay and try the test.
exibar wrote:I run a quick SMARTCTL on the drives and the 1 Raw_Read_Error_Rate and 195 Hardware_ECC_Recovered were climbing through the roof.
issues always seem to appear when I start to use more than those first two bays in this 6000...
FWIW, that suggests it could be power related.
I was told this unit had a new PS added into it less than a year ago. I wonder if they used a low powered supply? I'll have to pop it open and see. However, it's designed for 6 drives, I would think it can handle at least 3 without toppling over, but who knows right? 🙂
thank you again!
Mike B
ps: I finally learned how to quote in this board! yay!! 🙂
exibar wrote:I run a quick SMARTCTL on the drives and the 1 Raw_Read_Error_Rate and 195 Hardware_ECC_Recovered were climbing through the roof.
issues always seem to appear when I start to use more than those first two bays in this 6000...
FWIW, that suggests it could be power related.
you know, this unit does appear to function ok with 2 drives in it... and things seem to go south with more than three... maybe it IS power related? I'm running the diesk test with my test drive in bay3 right now. We'll see wht comes of that... but I have a feeling you may have hit the nail on the head there with the power related issue.
Any tests for that? I ahven't opened it, but I assume it's a standard AT style PS? smaller form factor it seems, but are the connectors standard? I can plug in a 600watt supply on the side and see if that makes a difference... I could buy 6 100GB drives and throw them in as my test drives... or heck I probably have 6 laying around here on a shelf for testing LOL
Mike B
what wattage SFX PSU is required for these? 500watt sufficient? or should I look at a 750?
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