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Rajahal

Which 2 TB drive should I buy?

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I thought these drives are not advanced format?  Why would you use sector 64?

They are not advanced format per say.  But they will work equally well with a start sector of 64 as they would with 63.  With this server also having some WD Advanced Format drives in it I wanted to make sure the setting in the unRAID WebGUI was 4-K aligned (so no jumper is needed later).

 

Advanced format or not a drive can start at sector 64 regardless.  There will be no issues with performance going that way.  If you sector 63 on a WD Advanced Format drive without a jumper you will run into the performance issue.

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The only time you do not want 4k aligned sectors is on EARS with jumper installed.

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Regarding the new Hitachi green drives (5K3000):

 

Has anyone completed all of the following?

 

1) Precleared at least 2 passes starting at sector 63 (the default option in preclear)

 

Yes, 3 cycles @ 65 total hours = ~ 21 2/3 hours per cycle.  No errors whatsoever.  I've done this for 2 Hitachi 5K3000 2TB drives, and posted the results for one below (the other drive results look identical):

** Changed attributes in files: /tmp/smart_start_sda  /tmp/smart_finish_sda
               ATTRIBUTE   NEW_VAL OLD_VAL FAILURE_THRESHOLD STATUS      RAW_VALUE
     Temperature_Celsius =   193     214            0        ok          31
No SMART attributes are FAILING_NOW

0 sectors were pending re-allocation before the start of the preclear.
0 sectors were pending re-allocation after pre-read in cycle 1 of 3.
0 sectors were pending re-allocation after zero of disk in cycle 1 of 3.
0 sectors were pending re-allocation after post-read in cycle 1 of 3.
0 sectors were pending re-allocation after zero of disk in cycle 2 of 3.
0 sectors were pending re-allocation after post-read in cycle 2 of 3.
0 sectors were pending re-allocation after zero of disk in cycle 3 of 3.
0 sectors are pending re-allocation at the end of the preclear,
   the number of sectors pending re-allocation did not change.
0 sectors had been re-allocated before the start of the preclear.
0 sectors are re-allocated at the end of the preclear,
   the number of sectors re-allocated did not change.

 

Output of diff /tmp/smart_start_sda /tmp/smart_finish_sda

< Local Time is:    Sat Feb 12 14:13:26 2011 CST
---
> Local Time is:    Tue Feb 15 07:28:02 2011 CST
21,22c21,22
< Offline data collection status:  (0x80)       Offline data collection activity
<                                       was never started.
---
> Offline data collection status:  (0x84)       Offline data collection activity
>                                       was suspended by an interrupting command from host.
61c61
<   9 Power_On_Hours          0x0012   100   100   000    Old_age   Always       -       16
---
>   9 Power_On_Hours          0x0012   100   100   000    Old_age   Always       -       81
66c66
< 194 Temperature_Celsius     0x0002   214   214   000    Old_age   Always       -       28 (Lifetime Min/Max 19/29)
---
> 194 Temperature_Celsius     0x0002   193   193   000    Old_age   Always       -       31 (Lifetime Min/Max 19/32)

 

 

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I've been using a 1.5TB Samsung drive since July, and also a Samsung F4 2TB drive since August without issues. This is not in an unRAID server, just my main PC. It is unpatched, and I am annoyed that Samsung would provide a new firmware patch that has the same version number as the "bad" firmware. I don't know why anyone would do such a thing. The 2TB is aligned, and it is FAST, as is the 1.5TB drive, just not as fast.

 

I'm hoping that the Hitachi Green drives are without problems, but the F4 2TB drives were THE drive to have before it took a few months to discover the silent corruption issue. I wish a drive maker could produce a 2TB drive that just plain works.

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I have sent the Hitachi Greens through 2 complete passes of preclear so far and have not run into any issues.

 

I am doing 4 preclears at the same time on 2 Hitachi Green and 2 WD Green drives.  The 3 pass should finish up sometime late tonight and I will see if I can post some numbers for you all.  If I remember off the top of my head the prelcear is taking around 25 hours for the 2TB drives.

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So the HITACHI Deskstar 5K3000 would be better to buy instead of the WD Ears?  I am ready to buy and rather buy the Hitachi...  ???

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So the HITACHI Deskstar 5K3000 would be better to buy instead of the WD Ears?  I am ready to buy some rather then buy the Hitachi...  ???

 

Hitachis are usually very solid drives. My 7200 Hitachis (4 2Teras) have performed flawlessly on my limited testing, on NAS and Media PC.

 

I've put off the order for the 2TB drives for my unRAID project, hoping the Hitachi greens became available here, or found encouraging testing in here. But nothing yet. 

 

Tests as those being conducted now by prostuff1 will be crucial for my decision. It seems it will be either the WD Ears, unless his results show some issues, or the Hitachi Greens if the local market sorts itself out.

 

Will be looking forward to prostuff1's next post. I need, would like to order by next week. Want to start throwing my unRAID bits together.  ;D

 

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Hitachis are usually very solid drives. My 7200 Hitachis (4 2Teras) have performed flawlessly on my limited testing, on NAS and Media PC.

I agree.  I have 6 and have not had a single problem with any of them, and some are over a year old already.

 

I've put off the order for the 2TB drives for my unRAID project, hoping the Hitachi greens became available here, or found encouraging testing in here. But nothing yet.

 

Tests as those being conducted now by prostuff1 will be crucial for my decision. It seems it will be either the WD Ears, unless his results show some issues, or the Hitachi Greens if the local market sorts itself out.

 

Will be looking forward to prostuff1's next post. I need, would like to order by next week. Want to start throwing my unRAID bits together.  ;D

Wait, what?  I have already done exactly what Prostuff is currently doing, except my cycles were 100% sector 63.  Look at this post. :)

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Wait, what?  I have already done exactly what Prostuff is currently doing, except my cycles were 100% sector 63.  Look at this post. :)

 

Hi Aiden, Thanks for the link to your tests. Just went there. Will try to buy the EARS this weekend.

Thank you!!

Ramon

 

 

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Wait, what?  I have already done exactly what Prostuff is currently doing, except my cycles were 100% sector 63.  Look at this post. :)

 

Hi Aiden, Thanks for the link to your tests. Just went there. Will try to buy the EARS this weekend.

Thank you!!

Ramon

 

 

 

Hm... I guess I need to make my results more clear.  They are specific to the Hitachi 5K3000 2TB drives that were just released.

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Hmm, Interesting,

 

But the Hitachi greens are not yet on sale in Australia, so we continue on track to build ASAP ::)

 

Thanx

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But the Hitachi greens are not yet on sale in Australia, so we continue on track to build ASAP ::)

 

I must have misunderstood you.  I read your post and thought you were trying to decide between the EARS and the new Hitachi.  Now that I reread it you were saying that you are waiting for Prostuff's EARS results, or for the Hitachis to become available within the next week.  Obviously you have to go with what's available to you :), and the EARS are heavily used in current unRAID builds.

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But the Hitachi greens are not yet on sale in Australia, so we continue on track to build ASAP ::)

 

I must have misunderstood you.  I read your post and thought you were trying to decide between the EARS and the new Hitachi.  Now that I reread it you were saying that you are waiting for Prostuff's EARS results, or for the Hitachis to become available within the next week.  Obviously you have to go with what's available to you :), and the EARS are heavily used in current unRAID builds.

 

No worries. I think you somehow saw in my post what I'm looking for-  :) I do prefer the Hitachis, due to their great history with Business and Industry use, and in my case, the ease of applying the AAM and keep them quiet, though the ones I own, still at 7200rpm.

But you're right on the money. We have the EARS available, and I just saw on one of my preferred retailers-On Sale this weekend.

Thus, buying the EARS for now. Maybe will just buy a first batch, and complete my Fractal XL when the Hitachi Greens land in Ozz.

Thanks again,

Ramon

 

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I would love to try an Hitachi 2TB 7200, but I'm scared to use anything other than WD in my system.

 

I have 2 of the Hitachi 7200RPM drives and they have been working great for me

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I would love to try an Hitachi 2TB 7200, but I'm scared to use anything other than WD in my system.

I have 6, no problems.

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I would love to try an Hitachi 2TB 7200, but I'm scared to use anything other than WD in my system.

I've got 4 of them. They are the best of all the 2TB SATA drives I have. (No re-allocated sectors)

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I would love to try an Hitachi 2TB 7200, but I'm scared to use anything other than WD in my system.

I've got 4 of them. They are the best of all the 2TB SATA drives I have. (No re-allocated sectors)

Mine are all the older Hitachi_HDS722020ALA330 series.

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I would love to try an Hitachi 2TB 7200, but I'm scared to use anything other than WD in my system.

I've got 4 of them. They are the best of all the 2TB SATA drives I have. (No re-allocated sectors)

Mine are all the older Hitachi_HDS722020ALA330 series.

As are mine.  Never had a problem with them.

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Anyone use this drive ? It seems to be the new green barracuda drive from Seagate that's on sale...

 

Seagate

BARRACUDA GREEN 2TB - 3.5IN 5900RPM 64MB SATA 6GB/S

manufacturer #: ST2000DL003

 

Seagate SmartAlign technology simplifies your transition to the Advanced Format (AF), 4K standard. There is no need for time-consuming integration utilities required by similar AF drives.

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Sorry for the double post like this but wanted to make sure these were kept separate!

 

Anyway, I have two of the new Hitachi "CoolSpin" drives in a client build and have been testing them with preclear and diskspeed.sh.

 

System Specs (that are important):

Motherboard: Intel BOXDB43LD LGA 775 Intel B43 Micro ATX Intel Motherboard

Hard Drives: 2x2TB Hitachi CoolSpin drives and 2x2TB Western Digital Green drives

 

While I don't have exact numbers for the preclear anymore I can tell you that the Hitachi's cleared between 1 and 1.5 hours faster then the Western Digitals in the same system.  I was running 4 preclear cycles on the drives at the same time in the system that has 2GB of RAM.  The Hitachi's took around 25 hours for 1 pass and the Western Digitals took just shy of 27 hours for 1 pass.

 

Now, for the WRITE results on every drive:

 

Hitachi Disk1

root@Tower:~# /boot/diskspeed.sh /mnt/disk1/speed_test_disk1
writing 10240000000 bytes to: /mnt/disk1/speed_test_disk1
292037+0 records in
292037+0 records out
299045888 bytes (299 MB) copied, 5.05448 s, 59.2 MB/s
533613+0 records in
533613+0 records out
546419712 bytes (546 MB) copied, 10.0645 s, 54.3 MB/s
748653+0 records in
748653+0 records out
766620672 bytes (767 MB) copied, 15.108 s, 50.7 MB/s
964717+0 records in
964717+0 records out
987870208 bytes (988 MB) copied, 20.0872 s, 49.2 MB/s
1188374+0 records in
1188374+0 records out
1216894976 bytes (1.2 GB) copied, 25.068 s, 48.5 MB/s
1400941+0 records in
1400941+0 records out
1434563584 bytes (1.4 GB) copied, 30.1034 s, 47.7 MB/s
1612284+0 records in
1612284+0 records out
1650978816 bytes (1.7 GB) copied, 35.1457 s, 47.0 MB/s
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1867625472 bytes (1.9 GB) copied, 40.2494 s, 46.4 MB/s
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2084680704 bytes (2.1 GB) copied, 45.1325 s, 46.2 MB/s
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2306978816 bytes (2.3 GB) copied, 50.1519 s, 46.0 MB/s
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2530919424 bytes (2.5 GB) copied, 55.1731 s, 45.9 MB/s
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2740047872 bytes (2.7 GB) copied, 60.3371 s, 45.4 MB/s
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2963002368 bytes (3.0 GB) copied, 65.2026 s, 45.4 MB/s
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3176187904 bytes (3.2 GB) copied, 70.2917 s, 45.2 MB/s
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3409039360 bytes (3.4 GB) copied, 75.2471 s, 45.3 MB/s
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3612471296 bytes (3.6 GB) copied, 80.2983 s, 45.0 MB/s
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3833470976 bytes (3.8 GB) copied, 85.2894 s, 44.9 MB/s
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4051824640 bytes (4.1 GB) copied, 90.3015 s, 44.9 MB/s
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4285657088 bytes (4.3 GB) copied, 95.3129 s, 45.0 MB/s
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4494448640 bytes (4.5 GB) copied, 100.331 s, 44.8 MB/s
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4744475648 bytes (4.7 GB) copied, 105.351 s, 45.0 MB/s
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4940600320 bytes (4.9 GB) copied, 110.488 s, 44.7 MB/s
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5178011648 bytes (5.2 GB) copied, 115.374 s, 44.9 MB/s
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5397164032 bytes (5.4 GB) copied, 120.449 s, 44.8 MB/s
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5612114944 bytes (5.6 GB) copied, 125.43 s, 44.7 MB/s
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5823934464 bytes (5.8 GB) copied, 130.448 s, 44.6 MB/s
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6063009792 bytes (6.1 GB) copied, 135.459 s, 44.8 MB/s
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6270627840 bytes (6.3 GB) copied, 140.592 s, 44.6 MB/s
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6501264384 bytes (6.5 GB) copied, 145.465 s, 44.7 MB/s
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6711029760 bytes (6.7 GB) copied, 150.496 s, 44.6 MB/s
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6950999040 bytes (7.0 GB) copied, 155.509 s, 44.7 MB/s
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7155625984 bytes (7.2 GB) copied, 160.505 s, 44.6 MB/s
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7381069824 bytes (7.4 GB) copied, 165.516 s, 44.6 MB/s
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7586590720 bytes (7.6 GB) copied, 170.536 s, 44.5 MB/s
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7808645120 bytes (7.8 GB) copied, 175.558 s, 44.5 MB/s
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8014409728 bytes (8.0 GB) copied, 180.617 s, 44.4 MB/s
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8244572160 bytes (8.2 GB) copied, 185.57 s, 44.4 MB/s
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8446423040 bytes (8.4 GB) copied, 190.67 s, 44.3 MB/s
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8679206912 bytes (8.7 GB) copied, 195.596 s, 44.4 MB/s
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8882630656 bytes (8.9 GB) copied, 200.692 s, 44.3 MB/s
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9116578816 bytes (9.1 GB) copied, 205.642 s, 44.3 MB/s
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9334566912 bytes (9.3 GB) copied, 210.719 s, 44.3 MB/s
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9553719296 bytes (9.6 GB) copied, 215.72 s, 44.3 MB/s
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9765531648 bytes (9.8 GB) copied, 220.697 s, 44.2 MB/s
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10002050048 bytes (10 GB) copied, 225.707 s, 44.3 MB/s
9973853+0 records in
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10213225472 bytes (10 GB) copied, 230.728 s, 44.3 MB/s
10000000+0 records in
10000000+0 records out
10240000000 bytes (10 GB) copied, 231.195 s, 44.3 MB/s
write complete, syncing

 

Western Digital Disk2

root@Tower:~# /boot/diskspeed.sh /mnt/disk2/speed_test_disk2
writing 10240000000 bytes to: /mnt/disk2/speed_test_disk2
226941+0 records in
226941+0 records out
232387584 bytes (232 MB) copied, 5.01477 s, 46.3 MB/s
425322+0 records in
425322+0 records out
435529728 bytes (436 MB) copied, 10.022 s, 43.5 MB/s
612714+0 records in
612714+0 records out
627419136 bytes (627 MB) copied, 15.1214 s, 41.5 MB/s
786794+0 records in
786794+0 records out
805677056 bytes (806 MB) copied, 20.0928 s, 40.1 MB/s
970090+0 records in
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993372160 bytes (993 MB) copied, 25.2162 s, 39.4 MB/s
1143147+0 records in
1143147+0 records out
1170582528 bytes (1.2 GB) copied, 30.2081 s, 38.8 MB/s
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1362470912 bytes (1.4 GB) copied, 35.2471 s, 38.7 MB/s
1530218+0 records in
1530218+0 records out
1566943232 bytes (1.6 GB) copied, 40.131 s, 39.0 MB/s
1701226+0 records in
1701226+0 records out
1742055424 bytes (1.7 GB) copied, 45.1664 s, 38.6 MB/s
1877354+0 records in
1877354+0 records out
1922410496 bytes (1.9 GB) copied, 50.2503 s, 38.3 MB/s
2057578+0 records in
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2106959872 bytes (2.1 GB) copied, 55.3391 s, 38.1 MB/s
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2274709504 bytes (2.3 GB) copied, 60.1628 s, 37.8 MB/s
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2463475712 bytes (2.5 GB) copied, 65.18 s, 37.8 MB/s
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2659559424 bytes (2.7 GB) copied, 70.2012 s, 37.9 MB/s
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2846205952 bytes (2.8 GB) copied, 75.2637 s, 37.8 MB/s
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3021318144 bytes (3.0 GB) copied, 80.3436 s, 37.6 MB/s
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3206916096 bytes (3.2 GB) copied, 85.2315 s, 37.6 MB/s
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3389368320 bytes (3.4 GB) copied, 90.4108 s, 37.5 MB/s
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3580209152 bytes (3.6 GB) copied, 95.2637 s, 37.6 MB/s
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3769963520 bytes (3.8 GB) copied, 100.274 s, 37.6 MB/s
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3947210752 bytes (3.9 GB) copied, 105.321 s, 37.5 MB/s
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4131613696 bytes (4.1 GB) copied, 110.304 s, 37.5 MB/s
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4316308480 bytes (4.3 GB) copied, 115.315 s, 37.4 MB/s
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4860491776 bytes (4.9 GB) copied, 130.365 s, 37.3 MB/s
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5049252864 bytes (5.0 GB) copied, 135.375 s, 37.3 MB/s
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5760211968 bytes (5.8 GB) copied, 155.474 s, 37.0 MB/s
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7209181184 bytes (7.2 GB) copied, 195.557 s, 36.9 MB/s
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7389723648 bytes (7.4 GB) copied, 200.593 s, 36.8 MB/s
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7770389504 bytes (7.8 GB) copied, 210.597 s, 36.9 MB/s
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7946550272 bytes (7.9 GB) copied, 215.607 s, 36.9 MB/s
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8117468160 bytes (8.1 GB) copied, 220.785 s, 36.8 MB/s
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8311213056 bytes (8.3 GB) copied, 225.637 s, 36.8 MB/s
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8502377472 bytes (8.5 GB) copied, 230.648 s, 36.9 MB/s
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8686926848 bytes (8.7 GB) copied, 235.658 s, 36.9 MB/s
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8854699008 bytes (8.9 GB) copied, 240.805 s, 36.8 MB/s
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9189194752 bytes (9.2 GB) copied, 250.715 s, 36.7 MB/s
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9374233600 bytes (9.4 GB) copied, 255.718 s, 36.7 MB/s
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9928449024 bytes (9.9 GB) copied, 270.976 s, 36.6 MB/s
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10087832576 bytes (10 GB) copied, 275.758 s, 36.6 MB/s
10000000+0 records in
10000000+0 records out
10240000000 bytes (10 GB) copied, 279.75 s, 36.6 MB/s
write complete, syncing

 

Western Digital Disk3

root@Tower:~# /boot/diskspeed.sh /mnt/disk3/speed_test_disk3
writing 10240000000 bytes to: /mnt/disk3/speed_test_disk3
233309+0 records in
233309+0 records out
238908416 bytes (239 MB) copied, 5.02139 s, 47.6 MB/s
407215+0 records in
407215+0 records out
416988160 bytes (417 MB) copied, 10.0346 s, 41.6 MB/s
592559+0 records in
592559+0 records out
606780416 bytes (607 MB) copied, 15.086 s, 40.2 MB/s
773807+0 records in
773807+0 records out
792378368 bytes (792 MB) copied, 20.297 s, 39.0 MB/s
940751+0 records in
940751+0 records out
963329024 bytes (963 MB) copied, 25.0661 s, 38.4 MB/s
1129290+0 records in
1129290+0 records out
1156392960 bytes (1.2 GB) copied, 30.0727 s, 38.5 MB/s
1304298+0 records in
1304298+0 records out
1335601152 bytes (1.3 GB) copied, 35.0822 s, 38.1 MB/s
1494735+0 records in
1494735+0 records out
1530608640 bytes (1.5 GB) copied, 40.1075 s, 38.2 MB/s
1657551+0 records in
1657551+0 records out
1697332224 bytes (1.7 GB) copied, 45.1027 s, 37.6 MB/s
1837775+0 records in
1837775+0 records out
1881881600 bytes (1.9 GB) copied, 50.1172 s, 37.5 MB/s
2023119+0 records in
2023119+0 records out
2071673856 bytes (2.1 GB) copied, 55.1856 s, 37.5 MB/s
2209487+0 records in
2209487+0 records out
2262514688 bytes (2.3 GB) copied, 60.143 s, 37.6 MB/s
2399951+0 records in
2399951+0 records out
2457549824 bytes (2.5 GB) copied, 65.3026 s, 37.6 MB/s
2551503+0 records in
2551503+0 records out
2612739072 bytes (2.6 GB) copied, 70.1752 s, 37.2 MB/s
2732005+0 records in
2732005+0 records out
2797573120 bytes (2.8 GB) copied, 75.1928 s, 37.2 MB/s
2907855+0 records in
2907855+0 records out
2977643520 bytes (3.0 GB) copied, 80.2463 s, 37.1 MB/s
3091151+0 records in
3091151+0 records out
3165338624 bytes (3.2 GB) copied, 85.2235 s, 37.1 MB/s
3272399+0 records in
3272399+0 records out
3350936576 bytes (3.4 GB) copied, 90.2456 s, 37.1 MB/s
3443428+0 records in
3443428+0 records out
3526070272 bytes (3.5 GB) copied, 95.2438 s, 37.0 MB/s
3623663+0 records in
3623663+0 records out
3710630912 bytes (3.7 GB) copied, 100.254 s, 37.0 MB/s
3807951+0 records in
3807951+0 records out
3899341824 bytes (3.9 GB) copied, 105.283 s, 37.0 MB/s
3992271+0 records in
3992271+0 records out
4088085504 bytes (4.1 GB) copied, 110.296 s, 37.1 MB/s
4165327+0 records in
4165327+0 records out
4265294848 bytes (4.3 GB) copied, 115.297 s, 37.0 MB/s
4343724+0 records in
4343724+0 records out
4447973376 bytes (4.4 GB) copied, 120.305 s, 37.0 MB/s
4514511+0 records in
4514511+0 records out
4622859264 bytes (4.6 GB) copied, 125.315 s, 36.9 MB/s
4692687+0 records in
4692687+0 records out
4805311488 bytes (4.8 GB) copied, 130.421 s, 36.8 MB/s
4853455+0 records in
4853455+0 records out
4969937920 bytes (5.0 GB) copied, 135.345 s, 36.7 MB/s
5040546+0 records in
5040546+0 records out
5161519104 bytes (5.2 GB) copied, 140.365 s, 36.8 MB/s
5227215+0 records in
5227215+0 records out
5352668160 bytes (5.4 GB) copied, 145.575 s, 36.8 MB/s
5403343+0 records in
5403343+0 records out
5533023232 bytes (5.5 GB) copied, 150.445 s, 36.8 MB/s
5585615+0 records in
5585615+0 records out
5719669760 bytes (5.7 GB) copied, 155.439 s, 36.8 MB/s
5761780+0 records in
5761780+0 records out
5900062720 bytes (5.9 GB) copied, 160.436 s, 36.8 MB/s
5938903+0 records in
5938903+0 records out
6081436672 bytes (6.1 GB) copied, 165.447 s, 36.8 MB/s
6106839+0 records in
6106839+0 records out
6253403136 bytes (6.3 GB) copied, 170.486 s, 36.7 MB/s
6297335+0 records in
6297335+0 records out
6448471040 bytes (6.4 GB) copied, 175.476 s, 36.7 MB/s
6473163+0 records in
6473163+0 records out
6628518912 bytes (6.6 GB) copied, 180.496 s, 36.7 MB/s
6646519+0 records in
6646519+0 records out
6806035456 bytes (6.8 GB) copied, 185.511 s, 36.7 MB/s
6821623+0 records in
6821623+0 records out
6985341952 bytes (7.0 GB) copied, 190.704 s, 36.6 MB/s
6993655+0 records in
6993655+0 records out
7161502720 bytes (7.2 GB) copied, 195.589 s, 36.6 MB/s
7178702+0 records in
7178702+0 records out
7350990848 bytes (7.4 GB) copied, 200.557 s, 36.7 MB/s
7360255+0 records in
7360255+0 records out
7536901120 bytes (7.5 GB) copied, 205.567 s, 36.7 MB/s
7538431+0 records in
7538431+0 records out
7719353344 bytes (7.7 GB) copied, 210.703 s, 36.6 MB/s
7706981+0 records in
7706981+0 records out
7891948544 bytes (7.9 GB) copied, 215.745 s, 36.6 MB/s
7867135+0 records in
7867135+0 records out
8055946240 bytes (8.1 GB) copied, 220.607 s, 36.5 MB/s
8050431+0 records in
8050431+0 records out
8243641344 bytes (8.2 GB) copied, 225.617 s, 36.5 MB/s
8229173+0 records in
8229173+0 records out
8426673152 bytes (8.4 GB) copied, 230.639 s, 36.5 MB/s
8399615+0 records in
8399615+0 records out
8601205760 bytes (8.6 GB) copied, 235.655 s, 36.5 MB/s
8593151+0 records in
8593151+0 records out
8799386624 bytes (8.8 GB) copied, 240.671 s, 36.6 MB/s
8776447+0 records in
8776447+0 records out
8987081728 bytes (9.0 GB) copied, 245.812 s, 36.6 MB/s
8930047+0 records in
8930047+0 records out
9144368128 bytes (9.1 GB) copied, 250.763 s, 36.5 MB/s
9112319+0 records in
9112319+0 records out
9331014656 bytes (9.3 GB) copied, 255.823 s, 36.5 MB/s
9287029+0 records in
9287029+0 records out
9509917696 bytes (9.5 GB) copied, 260.728 s, 36.5 MB/s
9464513+0 records in
9464513+0 records out
9691661312 bytes (9.7 GB) copied, 265.748 s, 36.5 MB/s
9642428+0 records in
9642428+0 records out
9873846272 bytes (9.9 GB) copied, 270.768 s, 36.5 MB/s
9814839+0 records in
9814839+0 records out
10050395136 bytes (10 GB) copied, 275.931 s, 36.4 MB/s
9982775+0 records in
9982775+0 records out
10222361600 bytes (10 GB) copied, 280.81 s, 36.4 MB/s
10000000+0 records in
10000000+0 records out
10240000000 bytes (10 GB) copied, 281.483 s, 36.4 MB/s
write complete, syncing

 

All of the above tests were done one after the other, with no other activity happening on the server, with completely empty disks, and the server was restarted between tests on each disk.

 

 

Now, for the READ results on every drive:

 

Hitachi Disk1

reading from: /mnt/disk1/speed_test_disk1
10000000+0 records in
10000000+0 records out
10240000000 bytes (10 GB) copied, 73.2141 s, 140 MB/s

 

Western Digital Disk2

reading from: /mnt/disk2/speed_test_disk2
10000000+0 records in
10000000+0 records out
10240000000 bytes (10 GB) copied, 83.055 s, 123 MB/s

 

Western Digital Disk3

reading from: /mnt/disk3/speed_test_disk3
10000000+0 records in
10000000+0 records out
10240000000 bytes (10 GB) copied, 81.3016 s, 126 MB/s

 

Again, all of the above tests were done one after the other, with no other activity happening on the server, with completely empty disks, and the server was restarted between tests on each disk.

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I can corroborate the Hitachi speeds.  Same tests, mounted in the array with parity protection on an empty precleared 5K3000 2TB.  And a 3 cycle preclear took 21.7 hours per cycle.  These drives are impressing me.

 

Processor: AMD Athlon II NEO N36L 1.3 Ghz

Motherboard: HP proprietary, based on AMD RS785E/SB820M chipset

RAM: 4GB DDR3 1333 ECC

 

WRITE

writing 10240000000 bytes to: /mnt/disk1/diskspeedtest1
292661+0 records in
292661+0 records out
299684864 bytes (300 MB) copied, 5.01838 s, 59.7 MB/s
523120+0 records in
523120+0 records out
535674880 bytes (536 MB) copied, 10.1248 s, 52.9 MB/s
736854+0 records in
736854+0 records out
754538496 bytes (755 MB) copied, 15.0764 s, 50.0 MB/s
973668+0 records in
973668+0 records out
997036032 bytes (997 MB) copied, 20.1034 s, 49.6 MB/s
1167540+0 records in
1167540+0 records out
1195560960 bytes (1.2 GB) copied, 25.124 s, 47.6 MB/s
1408837+0 records in
1408837+0 records out
1442649088 bytes (1.4 GB) copied, 30.1463 s, 47.9 MB/s
1600136+0 records in
1600136+0 records out
1638539264 bytes (1.6 GB) copied, 35.1668 s, 46.6 MB/s
1830979+0 records in
1830979+0 records out
1874922496 bytes (1.9 GB) copied, 40.2808 s, 46.5 MB/s
2054641+0 records in
2054641+0 records out
2103952384 bytes (2.1 GB) copied, 45.2369 s, 46.5 MB/s
2263220+0 records in
2263220+0 records out
2317537280 bytes (2.3 GB) copied, 50.2697 s, 46.1 MB/s
2480423+0 records in
2480423+0 records out
2539953152 bytes (2.5 GB) copied, 55.3036 s, 45.9 MB/s
2699444+0 records in
2699444+0 records out
2764230656 bytes (2.8 GB) copied, 60.3411 s, 45.8 MB/s
2917556+0 records in
2917556+0 records out
2987577344 bytes (3.0 GB) copied, 65.3656 s, 45.7 MB/s
3137293+0 records in
3137293+0 records out
3212588032 bytes (3.2 GB) copied, 70.4082 s, 45.6 MB/s
3352178+0 records in
3352178+0 records out
3432630272 bytes (3.4 GB) copied, 75.4244 s, 45.5 MB/s
3570490+0 records in
3570490+0 records out
3656181760 bytes (3.7 GB) copied, 80.4641 s, 45.4 MB/s
3794466+0 records in
3794466+0 records out
3885533184 bytes (3.9 GB) copied, 85.5027 s, 45.4 MB/s
4015480+0 records in
4015480+0 records out
4111851520 bytes (4.1 GB) copied, 90.585 s, 45.4 MB/s
4231355+0 records in
4231355+0 records out
4332907520 bytes (4.3 GB) copied, 95.6626 s, 45.3 MB/s
4437179+0 records in
4437179+0 records out
4543671296 bytes (4.5 GB) copied, 100.715 s, 45.1 MB/s
4655001+0 records in
4655001+0 records out
4766721024 bytes (4.8 GB) copied, 105.636 s, 45.1 MB/s
4872345+0 records in
4872345+0 records out
4989281280 bytes (5.0 GB) copied, 110.677 s, 45.1 MB/s
5114909+0 records in
5114909+0 records out
5237666816 bytes (5.2 GB) copied, 115.714 s, 45.3 MB/s
5315771+0 records in
5315771+0 records out
5443349504 bytes (5.4 GB) copied, 120.859 s, 45.0 MB/s
5544544+0 records in
5544544+0 records out
5677613056 bytes (5.7 GB) copied, 125.781 s, 45.1 MB/s
5751885+0 records in
5751885+0 records out
5889930240 bytes (5.9 GB) copied, 130.82 s, 45.0 MB/s
5983867+0 records in
5983867+0 records out
6127479808 bytes (6.1 GB) copied, 135.855 s, 45.1 MB/s
6193135+0 records in
6193135+0 records out
6341770240 bytes (6.3 GB) copied, 141.008 s, 45.0 MB/s
6406330+0 records in
6406330+0 records out
6560081920 bytes (6.6 GB) copied, 145.915 s, 45.0 MB/s
6624812+0 records in
6624812+0 records out
6783807488 bytes (6.8 GB) copied, 150.954 s, 44.9 MB/s
6854890+0 records in
6854890+0 records out
7019407360 bytes (7.0 GB) copied, 155.977 s, 45.0 MB/s
7065612+0 records in
7065612+0 records out
7235186688 bytes (7.2 GB) copied, 161.025 s, 44.9 MB/s
7289439+0 records in
7289439+0 records out
7464385536 bytes (7.5 GB) copied, 166.053 s, 45.0 MB/s
7488722+0 records in
7488722+0 records out
7668451328 bytes (7.7 GB) copied, 171.102 s, 44.8 MB/s
7718269+0 records in
7718269+0 records out
7903507456 bytes (7.9 GB) copied, 176.197 s, 44.9 MB/s
7932114+0 records in
7932114+0 records out
8122484736 bytes (8.1 GB) copied, 181.174 s, 44.8 MB/s
8166039+0 records in
8166039+0 records out
8362023936 bytes (8.4 GB) copied, 186.432 s, 44.9 MB/s
8363128+0 records in
8363128+0 records out
8563843072 bytes (8.6 GB) copied, 191.3 s, 44.8 MB/s
8585184+0 records in
8585184+0 records out
8791228416 bytes (8.8 GB) copied, 196.341 s, 44.8 MB/s
8805469+0 records in
8805469+0 records out
9016800256 bytes (9.0 GB) copied, 201.369 s, 44.8 MB/s
9016998+0 records in
9016998+0 records out
9233405952 bytes (9.2 GB) copied, 206.416 s, 44.7 MB/s
9247069+0 records in
9247069+0 records out
9468998656 bytes (9.5 GB) copied, 211.451 s, 44.8 MB/s
9461508+0 records in
9461508+0 records out
9688584192 bytes (9.7 GB) copied, 216.564 s, 44.7 MB/s
9680489+0 records in
9680489+0 records out
9912820736 bytes (9.9 GB) copied, 221.519 s, 44.7 MB/s
9894037+0 records in
9894037+0 records out
10131493888 bytes (10 GB) copied, 226.553 s, 44.7 MB/s
10000000+0 records in
10000000+0 records out
10240000000 bytes (10 GB) copied, 229.256 s, 44.7 MB/s

 

READ

reading from: /mnt/disk1/diskspeedtest1
10000000+0 records in
10000000+0 records out
10240000000 bytes (10 GB) copied, 71.7748 s, 143 MB/s

 

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