Date: Thu, 5 Aug 2010 14:09:57 +0800 From: "Alex V. Petrov" <alexvpetrov@gmail.com> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-stable@freebsd.org Subject: Re: zpool - low speed write Message-ID: <201008051409.57751.alexvpetrov@gmail.com> In-Reply-To: <20100805053504.GA91196@icarus.home.lan> References: <201008042008.25679.alexvpetrov@gmail.com> <201008051247.43260.alexvpetrov@gmail.com> <20100805053504.GA91196@icarus.home.lan>
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=D0=92 =D1=81=D0=BE=D0=BE=D0=B1=D1=89=D0=B5=D0=BD=D0=B8=D0=B8 =D0=BE=D1=82 =
5 =D0=B0=D0=B2=D0=B3=D1=83=D1=81=D1=82=D0=B0 2010 13:35:04 =D0=B2=D1=8B =D0=
=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB=D0=B8:
> Write performance here is abysmal, agreed. This is very odd.
>=20
> I hate to say this, but can you remove ahci.ko (ahci_load=3D"yes") from
> your loader.conf and reboot? You may need to change filesystem names
> around in /etc/fstab for your OS disk (assuming it's on ada0), but for
> ZFS it should just magically find the disks on adXX.
>=20
> If you could also provide pciconf -lvc output that would be helpful.
> Thanks.
dd if=3D/dev/zero of=3D/tank/test.zero bs=3D3M count=3D1000
1000+0 records in
1000+0 records out
3145728000 bytes transferred in 485.431690 secs (6480269 bytes/sec)
zpool iostat -v 10 10
capacity operations bandwidth
pool used avail read write read write
=2D--------- ----- ----- ----- ----- ----- -----
tank 1,91T 829G 0 64 49,7K 4,73M
ad12 598G 333G 0 22 19,9K 1,71M
ad8 633G 295G 0 21 13,8K 1,65M
ad10 727G 201G 0 19 15,9K 1,36M
=2D--------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool used avail read write read write
=2D--------- ----- ----- ----- ----- ----- -----
tank 1,91T 829G 0 116 0 5,91M
ad12 598G 333G 0 39 0 2,20M
ad8 633G 295G 0 39 0 2,02M
ad10 727G 201G 0 37 0 1,68M
=2D--------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool used avail read write read write
=2D--------- ----- ----- ----- ----- ----- -----
tank 1,91T 829G 0 140 0 9,09M
ad12 598G 333G 0 51 0 3,69M
ad8 633G 295G 0 45 0 2,94M
ad10 727G 201G 0 43 0 2,46M
=2D--------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool used avail read write read write
=2D--------- ----- ----- ----- ----- ----- -----
tank 1,91T 829G 0 133 0 7,66M
ad12 598G 333G 0 46 0 2,84M
ad8 633G 295G 0 44 0 2,59M
ad10 727G 201G 0 43 0 2,23M
=2D--------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool used avail read write read write
=2D--------- ----- ----- ----- ----- ----- -----
tank 1,91T 829G 0 133 6,39K 5,84M
ad12 598G 333G 0 47 6,39K 2,34M
ad8 633G 295G 0 43 0 1,83M
ad10 727G 201G 0 42 0 1,67M
=2D--------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool used avail read write read write
=2D--------- ----- ----- ----- ----- ----- -----
tank 1,91T 829G 0 113 0 5,54M
ad12 598G 333G 0 39 0 1,97M
ad8 633G 295G 0 37 0 1,98M
ad10 727G 201G 0 35 0 1,59M
=2D--------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool used avail read write read write
=2D--------- ----- ----- ----- ----- ----- -----
tank 1,91T 829G 0 152 0 10,1M
ad12 598G 333G 0 52 0 3,41M
ad8 633G 295G 0 52 0 3,65M
ad10 727G 201G 0 47 0 3,06M
=2D--------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool used avail read write read write
=2D--------- ----- ----- ----- ----- ----- -----
tank 1,91T 828G 0 116 0 5,61M
ad12 598G 333G 0 41 0 2,16M
ad8 633G 295G 0 40 0 1,95M
ad10 727G 201G 0 34 0 1,50M
=2D--------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool used avail read write read write
=2D--------- ----- ----- ----- ----- ----- -----
tank 1,91T 828G 0 176 0 11,1M
ad12 598G 333G 0 60 0 3,78M
ad8 634G 294G 0 60 0 3,95M
ad10 727G 201G 0 55 0 3,35M
=2D--------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool used avail read write read write
=2D--------- ----- ----- ----- ----- ----- -----
tank 1,91T 828G 0 112 0 7,55M
ad12 598G 333G 0 39 0 2,73M
ad8 634G 294G 0 39 0 2,66M
ad10 727G 201G 0 33 0 2,15M
=2D--------- ----- ----- ----- ----- ----- -----
pciconf -lvc
hostb0@pci0:0:0:0: class=3D0x060000 card=3D0x50001458 chip=3D0x2e20808=
6=20
rev=3D0x02 hdr=3D0x00
vendor =3D 'Intel Corporation'
class =3D bridge
subclass =3D HOST-PCI
cap 09[e0] =3D vendor (length 12) Intel cap 9 version 1
pcib1@pci0:0:1:0: class=3D0x060400 card=3D0x50001458 chip=3D0x2e21808=
6=20
rev=3D0x02 hdr=3D0x01
vendor =3D 'Intel Corporation'
class =3D bridge
subclass =3D PCI-PCI
cap 0d[88] =3D PCI Bridge card=3D0x50001458
cap 01[80] =3D powerspec 3 supports D0 D3 current D0
cap 05[90] =3D MSI supports 1 message=20
cap 10[a0] =3D PCI-Express 2 root port max data 128(128) link x16(x16)
uhci0@pci0:0:26:0: class=3D0x0c0300 card=3D0x50041458 chip=3D0x3a37808=
6=20
rev=3D0x00 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D 'USB UHCI Controller *4'
class =3D serial bus
subclass =3D USB
cap 13[50] =3D PCI Advanced Features: FLR TP
uhci1@pci0:0:26:1: class=3D0x0c0300 card=3D0x50041458 chip=3D0x3a38808=
6=20
rev=3D0x00 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D 'USB UHCI Controller *5'
class =3D serial bus
subclass =3D USB
cap 13[50] =3D PCI Advanced Features: FLR TP
uhci2@pci0:0:26:2: class=3D0x0c0300 card=3D0x50041458 chip=3D0x3a39808=
6=20
rev=3D0x00 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D 'USB UHCI Controller *6'
class =3D serial bus
subclass =3D USB
cap 13[50] =3D PCI Advanced Features: FLR TP
ehci0@pci0:0:26:7: class=3D0x0c0320 card=3D0x50061458 chip=3D0x3a3c808=
6=20
rev=3D0x00 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D 'USB EHCI Controller *2'
class =3D serial bus
subclass =3D USB
cap 01[50] =3D powerspec 2 supports D0 D3 current D0
hdac0@pci0:0:27:0: class=3D0x040300 card=3D0xa0021458 chip=3D0x3a3e808=
6=20
rev=3D0x00 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D 'Microsoft UAA Bus Driver for High Definition Audio=20
(Microsoft UAA Bus Driver for High Definition Audio)'
class =3D multimedia
subclass =3D HDA
cap 01[50] =3D powerspec 2 supports D0 D3 current D0
cap 05[60] =3D MSI supports 1 message, 64 bit enabled with 1 message
cap 10[70] =3D PCI-Express 1 root endpoint max data 128(128) link x0(x0)
pcib2@pci0:0:28:0: class=3D0x060400 card=3D0x50011458 chip=3D0x3a40808=
6=20
rev=3D0x00 hdr=3D0x01
vendor =3D 'Intel Corporation'
device =3D 'PCI Express Port 1'
class =3D bridge
subclass =3D PCI-PCI
cap 10[40] =3D PCI-Express 1 root port max data 128(128) link x0(x4)
cap 05[80] =3D MSI supports 1 message=20
cap 0d[90] =3D PCI Bridge card=3D0x50011458
cap 01[a0] =3D powerspec 2 supports D0 D3 current D0
pcib3@pci0:0:28:5: class=3D0x060400 card=3D0x50011458 chip=3D0x3a4a808=
6=20
rev=3D0x00 hdr=3D0x01
vendor =3D 'Intel Corporation'
device =3D 'PCI Express Port 6'
class =3D bridge
subclass =3D PCI-PCI
cap 10[40] =3D PCI-Express 1 root port max data 128(128) link x1(x1)
cap 05[80] =3D MSI supports 1 message=20
cap 0d[90] =3D PCI Bridge card=3D0x50011458
cap 01[a0] =3D powerspec 2 supports D0 D3 current D0
uhci3@pci0:0:29:0: class=3D0x0c0300 card=3D0x50041458 chip=3D0x3a34808=
6=20
rev=3D0x00 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D 'USB UHCI Controller *1'
class =3D serial bus
subclass =3D USB
cap 13[50] =3D PCI Advanced Features: FLR TP
uhci4@pci0:0:29:1: class=3D0x0c0300 card=3D0x50041458 chip=3D0x3a35808=
6=20
rev=3D0x00 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D 'USB UHCI Controller *2'
class =3D serial bus
subclass =3D USB
cap 13[50] =3D PCI Advanced Features: FLR TP
uhci5@pci0:0:29:2: class=3D0x0c0300 card=3D0x50041458 chip=3D0x3a36808=
6=20
rev=3D0x00 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D 'USB UHCI Controller *3'
class =3D serial bus
subclass =3D USB
cap 13[50] =3D PCI Advanced Features: FLR TP
ehci1@pci0:0:29:7: class=3D0x0c0320 card=3D0x50061458 chip=3D0x3a3a808=
6=20
rev=3D0x00 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D 'USB EHCI Controller *1'
class =3D serial bus
subclass =3D USB
cap 01[50] =3D powerspec 2 supports D0 D3 current D0
pcib4@pci0:0:30:0: class=3D0x060401 card=3D0x50001458 chip=3D0x244e808=
6=20
rev=3D0x90 hdr=3D0x01
vendor =3D 'Intel Corporation'
device =3D '82801 Family (ICH2/3/4/5/6/7/8/9,63xxESB) Hub Interface=
to=20
PCI Bridge'
class =3D bridge
subclass =3D PCI-PCI
cap 0d[50] =3D PCI Bridge card=3D0x50001458
isab0@pci0:0:31:0: class=3D0x060100 card=3D0x50011458 chip=3D0x3a18808=
6=20
rev=3D0x00 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D 'LPC Interface Controller'
class =3D bridge
subclass =3D PCI-ISA
cap 09[e0] =3D vendor (length 12) Intel cap 1 version 0
features: Quick Resume, SATA RAID-5, 4 PCI-e x1 slots, SAT=
A=20
RAID-0/1/10
atapci0@pci0:0:31:2: class=3D0x010601 card=3D0xb0051458 chip=3D0x3a22808=
6=20
rev=3D0x00 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D '6 port SATA AHCI Controller'
class =3D mass storage
subclass =3D SATA
cap 05[80] =3D MSI supports 16 messages=20
cap 01[70] =3D powerspec 3 supports D0 D3 current D0
cap 12[a8] =3D SATA Index-Data Pair
cap 13[b0] =3D PCI Advanced Features: FLR TP
none0@pci0:0:31:3: class=3D0x0c0500 card=3D0x50011458 chip=3D0x3a30808=
6=20
rev=3D0x00 hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D 'SMB controller (50011458)'
class =3D serial bus
subclass =3D SMBus
vgapci0@pci0:1:0:0: class=3D0x030000 card=3D0x34a11458 chip=3D0x062210d=
e=20
rev=3D0xa1 hdr=3D0x00
vendor =3D 'NVIDIA Corporation'
device =3D 'NVIDIA GeForce 9600 GT (G94)'
class =3D display
subclass =3D VGA
cap 01[60] =3D powerspec 3 supports D0 D3 current D0
cap 05[68] =3D MSI supports 1 message, 64 bit=20
cap 10[78] =3D PCI-Express 2 endpoint max data 128(128) link x16(x16)
cap 09[b4] =3D vendor (length 20)
re0@pci0:3:0:0: class=3D0x020000 card=3D0xe0001458 chip=3D0x816810ec rev=3D=
0x02=20
hdr=3D0x00
vendor =3D 'Realtek Semiconductor'
device =3D 'Gigabit Ethernet NIC(NDIS 6.0) (RTL8168/8111/8111c)'
class =3D network
subclass =3D ethernet
cap 01[40] =3D powerspec 3 supports D0 D1 D2 D3 current D0
cap 05[50] =3D MSI supports 2 messages, 64 bit enabled with 1 message
cap 10[70] =3D PCI-Express 1 endpoint IRQ 2 max data 128(256) link x1(x=
1)
cap 11[b0] =3D MSI-X supports 2 messages in map 0x20
cap 03[d0] =3D VPD
bktr0@pci0:4:2:0: class=3D0x040000 card=3D0x00031461 chip=3D0x036e109=
e=20
rev=3D0x11 hdr=3D0x00
vendor =3D 'Conexant (Was: Brooktree Corp)'
device =3D 'Bt878/Fusion 878A Mediastream Controller'
class =3D multimedia
subclass =3D video
cap 03[44] =3D VPD
cap 01[4c] =3D powerspec 2 supports D0 D3 current D0
none1@pci0:4:2:1: class=3D0x048000 card=3D0x00031461 chip=3D0x0878109=
e=20
rev=3D0x11 hdr=3D0x00
vendor =3D 'Conexant (Was: Brooktree Corp)'
device =3D 'TV Video Capture: Hauppauge WinTV GO=20
(SUBSYS_13EB0070&REV_11)'
class =3D multimedia
cap 03[44] =3D VPD
cap 01[4c] =3D powerspec 2 supports D0 D3 current D0
ath0@pci0:4:3:0: class=3D0x020000 card=3D0x3a131186 chip=3D0x0013168=
c=20
rev=3D0x01 hdr=3D0x00
vendor =3D 'Atheros Communications Inc.'
device =3D '802.11a/b/g Wireless Adapter (AR2312)'
class =3D network
subclass =3D ethernet
cap 01[44] =3D powerspec 2 supports D0 D3 current D0
=2D----
Alex V. Petrov
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