On Sat, Sep 12, 2009 at 02:37:35PM -0500, Tim Cook wrote:
> On Sat, Sep 12, 2009 at 10:17 AM, Damjan Perenic
...
> I shopped for 1TB 7200rpm drives recently and I noticed Seagate
> Barracude ES.2 has 1TB version with SATA and SAS interface.
>
> On the flip side, according to storage review, the SATA version trumps the
> SAS version in pretty much everything but throughput (which is still
> negligible).
>
> [5]http://www.storagereview.com/php/benchmark/suite_v4.php?typeID=10&testbed
> ID=4&osID=6&raidconfigID=1&numDrives=1&devID_0=354&devID_1=362&devCnt=2
> --Tim
Just in case if interested in SATA, perhaps this helps (made on an almost
idle system):
elkner.sol /pool2 > uname -a
SunOS sol 5.11 snv_98 i86pc i386 i86xpv
elkner.sol /rpool > prtdiag
System Configuration: Intel S5000PAL
BIOS Configuration: Intel Corporation S5000.86B.10.00.0091.081520081046
08/15/2008
BMC Configuration: IPMI 2.0 (KCS: Keyboard Controller Style)
==== Processor Sockets ====================================
Version Location Tag
-------------------------------- --------------------------
Intel(R) Xeon(R) CPU E5440 @ 2.83GHz CPU1
Intel(R) Xeon(R) CPU E5440 @ 2.83GHz CPU2
...
elkner.sol /pool2 > + /usr/X11/bin/scanpci | grep -i sata
Intel Corporation 631xESB/632xESB SATA AHCI Controller
elkner.sol ~ > iostat -E | \
awk '/^sd/ { print $1; getline; print; getline; print }'
sd0
Vendor: ATA Product: ST3250310NS Revision: SN05 Serial No:
Size: 250.06GB <250059350016 bytes>
sd1
Vendor: ATA Product: ST3250310NS Revision: SN04 Serial No:
Size: 250.06GB <250059350016 bytes>
sd2
Vendor: ATA Product: ST3250310NS Revision: SN04 Serial No:
Size: 250.06GB <250059350016 bytes>
sd3
Vendor: ATA Product: ST3250310NS Revision: SN05 Serial No:
Size: 250.06GB <250059350016 bytes>
sd5
Vendor: ATA Product: ST31000340NS Revision: SN06 Serial No:
Size: 1000.20GB <1000204886016 bytes>
sd6
Vendor: ATA Product: ST31000340NS Revision: SN06 Serial No:
Size: 1000.20GB <1000204886016 bytes>
elkner.sol ~ > zpool status | grep ONLINE
state: ONLINE
pool1 ONLINE 0 0 0
mirror ONLINE 0 0 0
c1t2d0 ONLINE 0 0 0
c1t3d0 ONLINE 0 0 0
state: ONLINE
pool2 ONLINE 0 0 0
mirror ONLINE 0 0 0
c1t4d0 ONLINE 0 0 0
c1t5d0 ONLINE 0 0 0
state: ONLINE
rpool ONLINE 0 0 0
mirror ONLINE 0 0 0
c1t0d0s0 ONLINE 0 0 0
c1t1d0s0 ONLINE 0 0 0
elkner.sol /pool2 > + time sh -c "mkfile 4g xx; sync; echo ST31000340NS"
ST31000340NS
real 3:55.2
user 0.0
sys 1.9
elkner.sol ~ > iostat -zmnx c1t4d0 c1t5d0 5 | grep -v device
0.0 154.2 0.0 19739.4 3.0 32.0 19.4 207.5 100 100 c1t4d0
0.0 125.8 0.0 16103.9 3.0 32.0 23.8 254.3 100 100 c1t5d0
0.0 133.0 0.0 16366.9 2.4 25.9 17.9 194.4 80 82 c1t4d0
0.0 158.0 0.0 19592.5 2.8 30.3 17.6 191.7 93 96 c1t5d0
0.0 159.4 0.0 20054.8 2.8 30.3 17.7 190.2 94 95 c1t4d0
0.0 140.2 0.0 17597.2 2.8 30.3 20.1 216.4 94 95 c1t5d0
0.0 134.8 0.0 16298.7 2.0 23.0 15.2 170.8 68 76 c1t4d0
0.0 154.4 0.0 18807.5 2.7 29.3 17.3 189.9 89 94 c1t5d0
0.0 188.4 0.0 24115.5 3.0 32.0 15.9 169.8 100 100 c1t4d0
0.0 159.8 0.0 20454.6 3.0 32.0 18.8 200.2 100 100 c1t5d0
0.0 120.0 0.0 14328.3 2.0 22.2 16.4 184.9 66 71 c1t4d0
0.0 143.2 0.0 17169.9 2.6 28.2 18.0 197.1 86 93 c1t5d0
0.0 157.0 0.0 19140.9 2.6 29.3 16.5 186.9 87 96 c1t4d0
0.0 169.2 0.0 20676.9 2.2 24.8 13.2 146.6 75 79 c1t5d0
0.0 156.2 0.0 19993.8 3.0 32.0 19.2 204.8 100 100 c1t4d0
0.0 140.4 0.0 17971.3 3.0 32.0 21.3 227.9 100 100 c1t5d0
0.0 138.8 0.0 16759.6 2.6 29.3 18.4 210.9 86 94 c1t4d0
0.0 146.6 0.0 17809.2 2.7 29.6 18.4 201.7 90 94 c1t5d0
0.0 133.8 0.0 16196.8 2.5 28.0 18.9 209.3 85 90 c1t4d0
0.0 134.0 0.0 16222.4 2.6 28.7 19.5 214.3 87 94 c1t5d0
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
elkner.sol /pool1 > + time sh -c 'mkfile 4g xx; sync; echo ST3250310NS'
ST3250310NS
real 1:33.5
user 0.0
sys 2.0
elkner.sol ~ > iostat -zmnx c1t2d0 c1t3d0 5 | grep -v device
0.2 408.6 1.6 49336.8 25.7 0.8 62.8 1.9 79 79 c1t3d0
0.2 432.6 1.6 53284.4 29.9 0.9 69.0 2.1 89 89 c1t2d0
0.2 456.0 1.6 56280.0 28.6 0.9 62.6 1.9 86 86 c1t3d0
0.8 389.8 17.6 45360.7 25.8 0.8 66.0 2.1 81 80 c1t2d0
0.4 368.6 3.2 42698.0 21.1 0.6 57.3 1.8 65 65 c1t3d0
1.0 432.4 8.0 52615.8 30.2 0.9 69.6 2.1 91 91 c1t2d0
0.0 457.8 0.0 56423.3 28.3 0.8 61.8 1.8 85 84 c1t3d0
1.0 418.4 11.2 50232.5 28.7 0.9 68.4 2.1 89 89 c1t2d0
0.8 406.4 8.0 48089.0 25.0 0.8 61.5 2.0 80 79 c1t3d0
0.6 381.4 4.8 42019.3 23.9 0.8 62.7 2.1 80 80 c1t2d0
0.4 387.0 3.2 42580.9 21.7 0.7 56.0 1.8 70 70 c1t3d0
0.4 392.8 4.8 48067.8 30.6 0.9 77.9 2.3 92 92 c1t2d0
0.4 372.4 3.2 45343.2 27.5 0.8 73.8 2.2 82 83 c1t3d0
0.6 324.4 16.0 38879.6 29.8 0.9 91.6 2.8 90 91 c1t2d0
0.8 329.0 40.0 39828.9 28.6 0.9 86.8 2.6 87 87 c1t3d0
0.0 296.2 0.0 34579.9 26.5 0.9 89.6 3.1 90 90 c1t2d0
0.4 288.2 14.4 33361.7 23.6 0.7 81.8 2.6 73 74 c1t3d0
0.8 341.8 6.4 41018.7 29.1 1.2 85.0 3.6 88 95 c1t2d0
2.4 344.2 20.8 41377.1 29.3 1.7 84.6 4.9 89 96 c1t3d0
3.8 338.4 209.6 38739.9 26.3 0.9 76.8 2.5 85 86 c1t2d0
3.6 340.4 207.6 38893.5 23.4 0.8 68.0 2.2 76 76 c1t3d0
0.2 401.6 1.6 48459.1 27.2 0.8 67.7 2.1 85 85 c1t2d0
0.6 411.8 6.4 49058.0 24.9 0.8 60.3 1.8 77 76 c1t3d0
0.2 443.0 1.6 54939.5 30.5 0.9 68.8 2.1 92 92 c1t2d0
0.4 451.4 3.2 56184.2 29.0 0.9 64.3 1.9 87 87 c1t3d0
1.4 412.6 12.8 49317.5 26.8 0.9 64.8 2.1 85 85 c1t2d0
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
elkner.sol /rpool > + time sh -c 'mkfile 4g xx; sync; echo ST3250310NS'
ST3250310NS
real 55.2
user 0.0
sys 1.8
elkner.sol ~ > iostat -zmnx c1t0d0 c1t1d0 5 | grep -v device
0.0 660.8 0.0 81796.7 11.7 16.3 17.7 24.7 78 83 c1t0d0
0.0 657.0 0.0 81335.9 11.3 18.7 17.2 28.5 83 89 c1t1d0
0.0 607.2 0.0 75039.6 10.9 15.2 18.0 25.0 73 77 c1t0d0
0.0 614.8 0.0 75986.9 10.7 18.2 17.3 29.6 81 86 c1t1d0
0.0 649.0 0.0 81454.7 12.4 15.6 19.1 24.1 80 81 c1t0d0
0.0 660.8 0.0 83016.3 12.7 19.6 19.2 29.7 91 94 c1t1d0
0.0 723.0 0.0 91469.4 13.7 17.9 18.9 24.8 90 92 c1t0d0
0.0 683.8 0.0 86452.1 13.5 18.8 19.7 27.4 90 94 c1t1d0
0.0 462.6 0.0 56758.7 5.9 22.0 12.8 47.5 78 83 c1t0d0
0.0 501.0 0.0 61725.3 6.4 24.5 12.7 48.8 87 91 c1t1d0
0.0 568.4 0.0 71384.5 8.9 20.9 15.6 36.7 85 88 c1t0d0
0.0 559.8 0.0 70334.9 8.1 24.6 14.4 44.0 92 95 c1t1d0
0.0 636.0 0.0 80171.5 14.0 17.4 22.0 27.3 89 91 c1t0d0
0.0 584.6 0.0 73693.8 13.9 18.9 23.8 32.3 94 95 c1t1d0
0.0 604.2 0.0 75505.2 10.0 16.9 16.5 28.0 76 79 c1t0d0
0.0 630.2 0.0 78730.2 11.2 19.3 17.7 30.7 86 90 c1t1d0
0.0 563.6 0.0 69714.6 9.6 17.2 17.0 30.5 75 79 c1t0d0
0.0 595.0 0.0 73632.5 9.6 21.6 16.1 36.3 88 92 c1t1d0
0.0 573.0 0.0 71691.8 12.5 15.6 21.9 27.2 80 82 c1t0d0
0.0 578.4 0.0 72306.2 12.9 18.9 22.3 32.7 90 92 c1t1d0
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
Finally: 17.4 vs. 43.8 vs. 74.2 MB/s
It seems odd, since rpool (SATA0,SATA1) and pool1 (SATA2,SATA3) have the
same disks and capacity of ~60%, pool2 (SATA4,SATA5) has 0%.
So very roughly 1st 600, 2nd 400, 3rd 200 iops.
My guess is, that there is a driver or BIOS/FW problem. Upgrade to
snv_b124 and BIOS/FW to latest release is scheduled for the end of
october, than I may know a little bit more ...
Regards,
jel.
PS: Sorry, for the long posting :(
--
Otto-von-Guericke University http://www.cs.uni-magdeburg.de/
Department of Computer Science Geb. 29 R 027, Universitaetsplatz 2
39106 Magdeburg, Germany Tel: +49 391 67 12768
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