Re: IDE disk slow? There's help...
Great! Thanks.
Just got 2.4.0-test9, it compiles and runs fine so far...
I also think about buying an add-on PCI ATA100 controller to get all the
goodies of UDMA.Either a Promise U100 or an HPT370 equipped one (but
found none such jet). I tend towards the Promise due to better web
support... any recommendations?
P.S.: I'd be more than happy to test you "superior tools" on my box. It's a
dual P133 "dream machine"... :-)
Mit freundlichen Gruessen / best regards
Michael Kwasigroch
FaxPlus/Open Development
eMail: [EMAIL PROTECTED]
INTERCOPE GmbH
Andre Hedrick
ide.org> cc: [EMAIL PROTECTED], Mark
Hahn <[EMAIL PROTECTED]>
Subject: Re: IDE disk slow? There's
help...
23.10.00
19:32
2.4 is more up to date than 2.2+patch.
On Mon, 23 Oct 2000, Michael Kwasigroch wrote:
> Andre: What about 2.4.x? Will it contain your ide-patch or some subset? I
> hate to ask this but I don't have the time to play with 2.4-pre although
> I'd like to.
>
> If yes, forget about all this, since 2.4 will be here soon and most users
> will sooner or later upgrade to it.
>
> If not: What about starting a poll like collecting 2.2.x (and maybe 2.4.x
> as well) IDE performance data with some shell script (my pleasure to
> provide one)? Anything special you want to see in the data? I think
about:
>
> - /proc/version
> - /proc/cpuinfo
> - /proc/pci/pci
> - /proc/ide/*
> - Output of 'hdparm -Tt' on all IDE drives.
I have superior tools to use, just not published yet.
hdparm below:
Timing buffered disk reads: 64 MB in 12.25 seconds = 5.22 MB/sec PIO
Timing buffered disk reads: 64 MB in 12.25 seconds = 5.22 MB/sec PIO
Timing buffered disk reads: 64 MB in 10.82 seconds = 5.91 MB/sec MLT
Timing buffered disk reads: 64 MB in 10.84 seconds = 5.90 MB/sec MLT
Timing buffered disk reads: 64 MB in 2.42 seconds = 26.45 MB/sec DMA
Timing buffered disk reads: 64 MB in 2.44 seconds = 26.23 MB/sec DMA
Diskperf below:
Device: Maxtor 91536H2 Serial Number: N200PGDD
LBA 0 PIO Read Test = 5.29 MB/Sec (47.26 Seconds)
Outer Diameter Sequential PIO Read Test = 5.26 MB/Sec (47.52 Seconds)
Inner Diameter Sequential PIO Read Test = 5.26 MB/Sec (47.52 Seconds)
Random PIO Read Test = 2.33 MB/Sec (107.46 Seconds)
LBA 1 PIO Write Test = 5.19 MB/Sec (48.14 Seconds)
Outer Diameter Sequential PIO Write Test = 5.18 MB/Sec (48.25 Seconds)
Inner Diameter Sequential PIO Write Test = 5.20 MB/Sec (48.11 Seconds)
Random PIO Write Test= 3.54 MB/Sec (70.55 Seconds)
LBA 0 MLT Read Test = 5.96 MB/Sec (41.94 Seconds)
Outer Diameter Sequential MLT Read Test = 5.97 MB/Sec (41.89 Seconds)
Inner Diameter Sequential MLT Read Test = 5.97 MB/Sec (41.90 Seconds)
Random MLT Read Test = 2.41 MB/Sec (103.75 Seconds)
LBA 1 MLT Write Test = 5.63 MB/Sec (44.42 Seconds)
Outer Diameter Sequential MLT Write Test = 5.93 MB/Sec (42.18 Seconds)
Inner Diameter Sequential MLT Write Test = 5.94 MB/Sec (42.10 Seconds)
Random MLT Write Test= 3.59 MB/Sec (69.70 Seconds)
LBA 0 DMA Read Test = 46.05 MB/Sec (5.43 Seconds)
Outer Diameter Sequential DMA Read Test = 26.52 MB/Sec (9.43 Seconds)
Inner Diameter Sequential DMA Read Test = 14.72 MB/Sec (16.99 Seconds)
Random DMA Read Test = 3.36 MB/Sec (74.46 Seconds)
LBA 1 DMA Write Test = 42.60 MB/Sec (5.87 Seconds)
Outer Diameter Sequential DMA Write Test = 15.32 MB/Sec (16.31 Seconds)
Inner Diameter Sequential DMA Write Test = 13.96 MB/Sec (17.91 Seconds)
Random DMA Write Test= 3.51 MB/Sec (71.20 Seconds)
Andre Hedrick
The Linux ATA/IDE guy
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
Great! Thanks.
Just got 2.4.0-test9, it compiles and runs fine so far...
I also think about buying an add-on PCI ATA100 controller to get all the
goodies of UDMA.Either a Promise U100 or an HPT370 equipped one (but
found none such jet). I tend towards the Promise due to better web
support... any recommendations?
P.S.: I'd be more than happy to test you "superior tools" on my box. It's a
dual P133 "dream machine"... :-)
Mit freundlichen Gruessen / best regards
Michael Kwasigroch
FaxPlus/Open Development
eMail: [EMAIL PROTECTED]
INTERCOPE GmbH
Andre Hedrick
andre@linux-To: Michael Kwasigroch
[EMAIL PROTECTED]
ide.org cc: [EMAIL PROTECTED], Mark
Hahn [EMAIL PROTECTED]
Subject: Re: IDE disk slow? There's
help...
23.10.00
19:32
2.4 is more up to date than 2.2+patch.
On Mon, 23 Oct 2000, Michael Kwasigroch wrote:
Andre: What about 2.4.x? Will it contain your ide-patch or some subset? I
hate to ask this but I don't have the time to play with 2.4-pre although
I'd like to.
If yes, forget about all this, since 2.4 will be here soon and most users
will sooner or later upgrade to it.
If not: What about starting a poll like collecting 2.2.x (and maybe 2.4.x
as well) IDE performance data with some shell script (my pleasure to
provide one)? Anything special you want to see in the data? I think
about:
- /proc/version
- /proc/cpuinfo
- /proc/pci/pci
- /proc/ide/*
- Output of 'hdparm -Tt' on all IDE drives.
I have superior tools to use, just not published yet.
hdparm below:
Timing buffered disk reads: 64 MB in 12.25 seconds = 5.22 MB/sec PIO
Timing buffered disk reads: 64 MB in 12.25 seconds = 5.22 MB/sec PIO
Timing buffered disk reads: 64 MB in 10.82 seconds = 5.91 MB/sec MLT
Timing buffered disk reads: 64 MB in 10.84 seconds = 5.90 MB/sec MLT
Timing buffered disk reads: 64 MB in 2.42 seconds = 26.45 MB/sec DMA
Timing buffered disk reads: 64 MB in 2.44 seconds = 26.23 MB/sec DMA
Diskperf below:
Device: Maxtor 91536H2 Serial Number: N200PGDD
LBA 0 PIO Read Test = 5.29 MB/Sec (47.26 Seconds)
Outer Diameter Sequential PIO Read Test = 5.26 MB/Sec (47.52 Seconds)
Inner Diameter Sequential PIO Read Test = 5.26 MB/Sec (47.52 Seconds)
Random PIO Read Test = 2.33 MB/Sec (107.46 Seconds)
LBA 1 PIO Write Test = 5.19 MB/Sec (48.14 Seconds)
Outer Diameter Sequential PIO Write Test = 5.18 MB/Sec (48.25 Seconds)
Inner Diameter Sequential PIO Write Test = 5.20 MB/Sec (48.11 Seconds)
Random PIO Write Test= 3.54 MB/Sec (70.55 Seconds)
LBA 0 MLT Read Test = 5.96 MB/Sec (41.94 Seconds)
Outer Diameter Sequential MLT Read Test = 5.97 MB/Sec (41.89 Seconds)
Inner Diameter Sequential MLT Read Test = 5.97 MB/Sec (41.90 Seconds)
Random MLT Read Test = 2.41 MB/Sec (103.75 Seconds)
LBA 1 MLT Write Test = 5.63 MB/Sec (44.42 Seconds)
Outer Diameter Sequential MLT Write Test = 5.93 MB/Sec (42.18 Seconds)
Inner Diameter Sequential MLT Write Test = 5.94 MB/Sec (42.10 Seconds)
Random MLT Write Test= 3.59 MB/Sec (69.70 Seconds)
LBA 0 DMA Read Test = 46.05 MB/Sec (5.43 Seconds)
Outer Diameter Sequential DMA Read Test = 26.52 MB/Sec (9.43 Seconds)
Inner Diameter Sequential DMA Read Test = 14.72 MB/Sec (16.99 Seconds)
Random DMA Read Test = 3.36 MB/Sec (74.46 Seconds)
LBA 1 DMA Write Test = 42.60 MB/Sec (5.87 Seconds)
Outer Diameter Sequential DMA Write Test = 15.32 MB/Sec (16.31 Seconds)
Inner Diameter Sequential DMA Write Test = 13.96 MB/Sec (17.91 Seconds)
Random DMA Write Test= 3.51 MB/Sec (71.20 Seconds)
Andre Hedrick
The Linux ATA/IDE guy
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
2.4 is more up to date than 2.2+patch. On Mon, 23 Oct 2000, Michael Kwasigroch wrote: > Andre: What about 2.4.x? Will it contain your ide-patch or some subset? I > hate to ask this but I don't have the time to play with 2.4-pre although > I'd like to. > > If yes, forget about all this, since 2.4 will be here soon and most users > will sooner or later upgrade to it. > > If not: What about starting a poll like collecting 2.2.x (and maybe 2.4.x > as well) IDE performance data with some shell script (my pleasure to > provide one)? Anything special you want to see in the data? I think about: > > - /proc/version > - /proc/cpuinfo > - /proc/pci/pci > - /proc/ide/* > - Output of 'hdparm -Tt' on all IDE drives. I have superior tools to use, just not published yet. hdparm below: Timing buffered disk reads: 64 MB in 12.25 seconds = 5.22 MB/sec PIO Timing buffered disk reads: 64 MB in 12.25 seconds = 5.22 MB/sec PIO Timing buffered disk reads: 64 MB in 10.82 seconds = 5.91 MB/sec MLT Timing buffered disk reads: 64 MB in 10.84 seconds = 5.90 MB/sec MLT Timing buffered disk reads: 64 MB in 2.42 seconds = 26.45 MB/sec DMA Timing buffered disk reads: 64 MB in 2.44 seconds = 26.23 MB/sec DMA Diskperf below: Device: Maxtor 91536H2 Serial Number: N200PGDD LBA 0 PIO Read Test = 5.29 MB/Sec (47.26 Seconds) Outer Diameter Sequential PIO Read Test = 5.26 MB/Sec (47.52 Seconds) Inner Diameter Sequential PIO Read Test = 5.26 MB/Sec (47.52 Seconds) Random PIO Read Test = 2.33 MB/Sec (107.46 Seconds) LBA 1 PIO Write Test = 5.19 MB/Sec (48.14 Seconds) Outer Diameter Sequential PIO Write Test = 5.18 MB/Sec (48.25 Seconds) Inner Diameter Sequential PIO Write Test = 5.20 MB/Sec (48.11 Seconds) Random PIO Write Test= 3.54 MB/Sec (70.55 Seconds) LBA 0 MLT Read Test = 5.96 MB/Sec (41.94 Seconds) Outer Diameter Sequential MLT Read Test = 5.97 MB/Sec (41.89 Seconds) Inner Diameter Sequential MLT Read Test = 5.97 MB/Sec (41.90 Seconds) Random MLT Read Test = 2.41 MB/Sec (103.75 Seconds) LBA 1 MLT Write Test = 5.63 MB/Sec (44.42 Seconds) Outer Diameter Sequential MLT Write Test = 5.93 MB/Sec (42.18 Seconds) Inner Diameter Sequential MLT Write Test = 5.94 MB/Sec (42.10 Seconds) Random MLT Write Test= 3.59 MB/Sec (69.70 Seconds) LBA 0 DMA Read Test = 46.05 MB/Sec (5.43 Seconds) Outer Diameter Sequential DMA Read Test = 26.52 MB/Sec (9.43 Seconds) Inner Diameter Sequential DMA Read Test = 14.72 MB/Sec (16.99 Seconds) Random DMA Read Test = 3.36 MB/Sec (74.46 Seconds) LBA 1 DMA Write Test = 42.60 MB/Sec (5.87 Seconds) Outer Diameter Sequential DMA Write Test = 15.32 MB/Sec (16.31 Seconds) Inner Diameter Sequential DMA Write Test = 13.96 MB/Sec (17.91 Seconds) Random DMA Write Test= 3.51 MB/Sec (71.20 Seconds) Andre Hedrick The Linux ATA/IDE guy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
Andre Hedrick wrote:
>
> Michael,
>
> Whatever card you are using, in you are getting that low I need to know
> more info. That drive should cook at 30MB/sec.
>
Hi
I've started to use the latest 2.4.0-test10pre3 kernel - my IBM disk
flyies at 33MB/s
on my BP6 - however the amount of deadlocks is unbeliavable - when all
my
disks are at UDMA33 everything goes fine (0 deadlocks per day)
However when I use hpt UDMA66 controler and the latest kernel its quite
easy to lock my machine - like doing several IDE operations in parallel
- e.g.
checksuming CDROM & copying some files from ext2 to vfat partition.
(I'll have to prepare some test case for this and do it in console so
maybe I could see some oops, but in my Xwindow session I couldn't see
anything
as even Sysrq doesn't work)
But its hard to tell if its problem with ATA or this is some fault of
the VM system in 2.4
- is there anywhere backport of your IDE patch for 2.2.18pre17 ??
I think someone has anonnounced that he will maintain this backport
instead of you?
(I have no deadlock when I use 2.2.17/8 kernels even with RTL - 300power
supply
and yes I get APIC errors - and also I've tried to run with noapic
option
with the same result)
--
Zdenek Kabelac http://i.am/kabi/ [EMAIL PROTECTED] {debian.org; fi.muni.cz}
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
On Fri, 20 Oct 2000, Andre Hedrick wrote:
>
> Michael,
>
> Whatever card you are using, in you are getting that low I need to know
> more info. That drive should cook at 30MB/sec.
Andre, he wrote "old triton 2 board (Intel 430HX)". Do you really mean
you can do 30MB/sec on that board (no UDMA at all, AFAIK)?
# hdparm -i /dev/hda
/dev/hda:
Model=IBM-DPTA-372050, FwRev=P76OA30A, SerialNo=JMYJMG52550
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=34
BuffType=3(DualPortCache), BuffSize=1961kB, MaxMultSect=16, MultSect=16
DblWordIO=no, maxPIO=2(fast), DMA=yes, maxDMA=2(fast)
CurCHS=16383/16/63, CurSects=-66060037, LBA=yes
LBA CHS=1023/256/63 Remapping, LBA=yes, LBAsects=40088160
tDMA={min:120,rec:120}, DMA modes: mword0 mword1 *mword2
IORDY=on/off, tPIO={min:240,w/IORDY:120}, PIO modes: mode3 mode4
UDMA modes: mode0 mode1 mode2
# hdparm -tT /dev/hda
/dev/hda:
Timing buffer-cache reads: 128 MB in 4.95 seconds =25.86 MB/sec
Timing buffered disk reads: 64 MB in 8.46 seconds = 7.57 MB/sec
Kernel is a 2.2.16 RedHat-patched but not IDE-patched. I suppose I could get
more with your patches (but really? DMA seems to work, it's just a pre UDMA
chipset, AFAIK), but I doubt I could go over the 25.10 MB/sec thing.
It'a an *old* MB, with a *slow* CPU (133MHz).
# lspci
00:00.0 Host bridge: Intel Corporation 430FX - 82437FX TSC [Triton I] (rev 02)
00:07.0 ISA bridge: Intel Corporation 82371FB PIIX ISA [Triton I] (rev 02)
00:07.1 IDE interface: Intel Corporation 82371FB PIIX IDE [Triton I] (rev 02)
(OK, mine is a 430FX, even older than Michael's one. The chipset is buggy,
I think, since doesn't let you go DMA on the second IDE channel. But a
430HX should be close in performance).
The DPTA-372050 does 20MB/sec on an Athlon MB, BTW. A DTLA-307030 does
35.5MB/sec on AMD-751/6-based boards (UDMA/66). But you know that... B-)
.TM.
--
/ / /
/ / / Marco Colombo
___/ ___ / / Technical Manager
/ / / ESI s.r.l.
_/ _/ _/ [EMAIL PROTECTED]
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
Hi Mark, hi all
thanks to all your feedback, but please allow me to add some thoughts to
all this:
I agree that in this supersonic world of PC hardware with product cycles of
4 weeks or so that my board and SCSI hardware is not the latest, best and
fastest, it may even be obsolete, but it's still stable and does what I
need and I currently don't want (and need) to invest in some new
hardware...
But you say "2.2.17 is obsolete"...?
Frankly: are you always trying to be on the bleeding edge? If 2.2.17 is
obsolete then about 99% of Linux users are using an obsolete kernel. I know
we had this dicsusion before and some people think that once a kernel is
declared stable it is obsolete and thus uninteresting but we're talking
here about Linux as a **PRODUCT** which should give 100% stability along
with appropriate performance for the majority of users.
Ok, if the ide-patch is considered to introduce new problems in the stable
kernel I agree to leave it out of 2.2.x. I also want 2.2.x to be as stable
as possible. But if people find that stock 2.2.x is not giving the
performance as some other OS, well, it will definitely not increase the
perceptance of Linux...
One other aspect of all this is that the majority of users may not even
notice that stock 2.2.x IDE performance may not be optimal because some
(most?) of the distros around tend to patch the default kernel. I (still)
use SuSE 6.4 (may be obsolete as well ;-) and it's a great product. I'm
currently not sure if they added some version of the ide-patch to their
default kernel but I don't care since I always use the latest stable stock
kernel with some (hopefully) well chosen patches. I also know that SuSE and
other distros contain stock kernels as well.
I didn't care about IDE at all and I even compiled my kernel entirely
without the IDE driver until I bought this IDE disk. As you probably
guessed by now, Andre's ide-patch joined the list of my "well chosen"
patches...
Punchline:
- I still think that my hardware is not too old
and most possibly is still in use at some sites.
- I do __know__ that IDE performance could be
**much** better than with stock 2.2.x, at least
with hardware similar to mine...
-
But now back to the topic...
Andre: What about 2.4.x? Will it contain your ide-patch or some subset? I
hate to ask this but I don't have the time to play with 2.4-pre although
I'd like to.
If yes, forget about all this, since 2.4 will be here soon and most users
will sooner or later upgrade to it.
If not: What about starting a poll like collecting 2.2.x (and maybe 2.4.x
as well) IDE performance data with some shell script (my pleasure to
provide one)? Anything special you want to see in the data? I think about:
- /proc/version
- /proc/cpuinfo
- /proc/pci/pci
- /proc/ide/*
- Output of 'hdparm -Tt' on all IDE drives.
With the data maybe we see your ide-path in a future 2.2.x kernel or at
least some subset for onboard IDE chipsets? And I think it **HAS** to be in
2.4.x once this kernel is stable...
Thanks.
P.S.: Please email me directly, I'm not subscribed to any Linux list.
Mit freundlichen Gruessen / best regards
Michael Kwasigroch
FaxPlus/Open Development
eMail: [EMAIL PROTECTED]
INTERCOPE GmbH
Mark Hahn
<[EMAIL PROTECTED]To: Michael Kwasigroch
<[EMAIL PROTECTED]>
master.ca>cc:
Subject: Re: IDE disk slow?
There's help...
21.10.00 04:47
> old triton 2 board (Intel 430HX) and I didn't want to risk more trouble
basically ancient hardware.
> Linux (stock 2.2.17) could ony push about 2.6 MB/s "through" it (hdparm
-Tt
> /dev/hda)... :-(
obviosly in some primitive PIO mode.
> The scsi disks can do about 5.5 - 6.1 MB/s (8Bit fast SCSI, no ultra,
> adaptec 2940 PCI).
it's not hard to come close to the 10 MB/s limit for even this many-year
obsolete scsi mode.
> My new IDE disk now "flies" at about 9.2 MB/s and reall
Re: IDE disk slow? There's help...
Andre Hedrick wrote:
Michael,
Whatever card you are using, in you are getting that low I need to know
more info. That drive should cook at 30MB/sec.
Hi
I've started to use the latest 2.4.0-test10pre3 kernel - my IBM disk
flyies at 33MB/s
on my BP6 - however the amount of deadlocks is unbeliavable - when all
my
disks are at UDMA33 everything goes fine (0 deadlocks per day)
However when I use hpt UDMA66 controler and the latest kernel its quite
easy to lock my machine - like doing several IDE operations in parallel
- e.g.
checksuming CDROM copying some files from ext2 to vfat partition.
(I'll have to prepare some test case for this and do it in console so
maybe I could see some oops, but in my Xwindow session I couldn't see
anything
as even Sysrq doesn't work)
But its hard to tell if its problem with ATA or this is some fault of
the VM system in 2.4
- is there anywhere backport of your IDE patch for 2.2.18pre17 ??
I think someone has anonnounced that he will maintain this backport
instead of you?
(I have no deadlock when I use 2.2.17/8 kernels even with RTL - 300power
supply
and yes I get APIC errors - and also I've tried to run with noapic
option
with the same result)
--
Zdenek Kabelac http://i.am/kabi/ [EMAIL PROTECTED] {debian.org; fi.muni.cz}
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
2.4 is more up to date than 2.2+patch. On Mon, 23 Oct 2000, Michael Kwasigroch wrote: Andre: What about 2.4.x? Will it contain your ide-patch or some subset? I hate to ask this but I don't have the time to play with 2.4-pre although I'd like to. If yes, forget about all this, since 2.4 will be here soon and most users will sooner or later upgrade to it. If not: What about starting a poll like collecting 2.2.x (and maybe 2.4.x as well) IDE performance data with some shell script (my pleasure to provide one)? Anything special you want to see in the data? I think about: - /proc/version - /proc/cpuinfo - /proc/pci/pci - /proc/ide/* - Output of 'hdparm -Tt' on all IDE drives. I have superior tools to use, just not published yet. hdparm below: Timing buffered disk reads: 64 MB in 12.25 seconds = 5.22 MB/sec PIO Timing buffered disk reads: 64 MB in 12.25 seconds = 5.22 MB/sec PIO Timing buffered disk reads: 64 MB in 10.82 seconds = 5.91 MB/sec MLT Timing buffered disk reads: 64 MB in 10.84 seconds = 5.90 MB/sec MLT Timing buffered disk reads: 64 MB in 2.42 seconds = 26.45 MB/sec DMA Timing buffered disk reads: 64 MB in 2.44 seconds = 26.23 MB/sec DMA Diskperf below: Device: Maxtor 91536H2 Serial Number: N200PGDD LBA 0 PIO Read Test = 5.29 MB/Sec (47.26 Seconds) Outer Diameter Sequential PIO Read Test = 5.26 MB/Sec (47.52 Seconds) Inner Diameter Sequential PIO Read Test = 5.26 MB/Sec (47.52 Seconds) Random PIO Read Test = 2.33 MB/Sec (107.46 Seconds) LBA 1 PIO Write Test = 5.19 MB/Sec (48.14 Seconds) Outer Diameter Sequential PIO Write Test = 5.18 MB/Sec (48.25 Seconds) Inner Diameter Sequential PIO Write Test = 5.20 MB/Sec (48.11 Seconds) Random PIO Write Test= 3.54 MB/Sec (70.55 Seconds) LBA 0 MLT Read Test = 5.96 MB/Sec (41.94 Seconds) Outer Diameter Sequential MLT Read Test = 5.97 MB/Sec (41.89 Seconds) Inner Diameter Sequential MLT Read Test = 5.97 MB/Sec (41.90 Seconds) Random MLT Read Test = 2.41 MB/Sec (103.75 Seconds) LBA 1 MLT Write Test = 5.63 MB/Sec (44.42 Seconds) Outer Diameter Sequential MLT Write Test = 5.93 MB/Sec (42.18 Seconds) Inner Diameter Sequential MLT Write Test = 5.94 MB/Sec (42.10 Seconds) Random MLT Write Test= 3.59 MB/Sec (69.70 Seconds) LBA 0 DMA Read Test = 46.05 MB/Sec (5.43 Seconds) Outer Diameter Sequential DMA Read Test = 26.52 MB/Sec (9.43 Seconds) Inner Diameter Sequential DMA Read Test = 14.72 MB/Sec (16.99 Seconds) Random DMA Read Test = 3.36 MB/Sec (74.46 Seconds) LBA 1 DMA Write Test = 42.60 MB/Sec (5.87 Seconds) Outer Diameter Sequential DMA Write Test = 15.32 MB/Sec (16.31 Seconds) Inner Diameter Sequential DMA Write Test = 13.96 MB/Sec (17.91 Seconds) Random DMA Write Test= 3.51 MB/Sec (71.20 Seconds) Andre Hedrick The Linux ATA/IDE guy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
On Sun, 22 Oct 2000, Jeremy Fitzhardinge wrote: > > No the are the pci device ide but different guts. This is the ugliness > > that most never see. > > I think you left some words out. Are you saying that this is one of those > chips which change PCI id in order to give the appearance of backwards > compatability? That it's not really a VT82C586? Okay, The North/South Bridge combination names will change but ATA/IDE device ID's are identical. This is how the features differ from one to the other. So your ATA-33 limited will report the same ID as an ATA-66. Cheers, Andre Hedrick The Linux ATA/IDE guy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
On Fri, Oct 20, 2000 at 01:22:59PM -0700, Andre Hedrick wrote: > On Fri, 20 Oct 2000 [EMAIL PROTECTED] wrote: > > > [EMAIL PROTECTED] wrote.. > > > > > I reliably get 30MB/s with my IBM 30G 7200rpm ATA66 drive, using a > > > Via VT82C586 controller. 2.4.0-test9. Modern drives are really fast. > > > > Hmm, I'm confused here. > > VIA 586 can only do up to UDMA 2, which should return speeds less than > > that. My system has an identical configuration, and I get ~12MB/s > > No the are the pci device ide but different guts. This is the ugliness > that most never see. I think you left some words out. Are you saying that this is one of those chips which change PCI id in order to give the appearance of backwards compatability? That it's not really a VT82C586? Thanks, J PGP signature
Re: IDE disk slow? There's help...
On Fri, Oct 20, 2000 at 01:22:59PM -0700, Andre Hedrick wrote: On Fri, 20 Oct 2000 [EMAIL PROTECTED] wrote: [EMAIL PROTECTED] wrote.. I reliably get 30MB/s with my IBM 30G 7200rpm ATA66 drive, using a Via VT82C586 controller. 2.4.0-test9. Modern drives are really fast. Hmm, I'm confused here. VIA 586 can only do up to UDMA 2, which should return speeds less than that. My system has an identical configuration, and I get ~12MB/s No the are the pci device ide but different guts. This is the ugliness that most never see. I think you left some words out. Are you saying that this is one of those chips which change PCI id in order to give the appearance of backwards compatability? That it's not really a VT82C586? Thanks, J PGP signature
Re: IDE disk slow? There's help...
On Sun, 22 Oct 2000, Jeremy Fitzhardinge wrote: No the are the pci device ide but different guts. This is the ugliness that most never see. I think you left some words out. Are you saying that this is one of those chips which change PCI id in order to give the appearance of backwards compatability? That it's not really a VT82C586? Okay, The North/South Bridge combination names will change but ATA/IDE device ID's are identical. This is how the features differ from one to the other. So your ATA-33 limited will report the same ID as an ATA-66. Cheers, Andre Hedrick The Linux ATA/IDE guy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
Here is what I can acheive using an IBM DeskStar 75 Gig 7200 RPM UDMA 100 (controller only does UDMA 66) using linux-2.4.0-test10-pre3 and 3.6 drivers for my VIA vt82c596b (I believe they are not official yet but were released as a test package by email around October 6th on this email list), here is the output of hdparm -Tt /dev/hda on my machine: 4 root@ledzep /var/log > hdparm -Tt /dev/hda /dev/hda: Timing buffer-cache reads: 128 MB in 0.91 seconds =140.66 MB/sec Timing buffered disk reads: 64 MB in 2.32 seconds = 27.59 MB/sec 5 root@ledzep /var/log > Which blows away the U/W SCSI hard drive I had in my last machine! Jordan Breeding Michael Kwasigroch wrote: > > Hi, > > I recently bought a 40Gig IBM ATA100 disk as a replacement for a dying 4G > SCSI disk. I knew I was risking some trouble because I have an about 4 year > old triton 2 board (Intel 430HX) and I didn't want to risk more trouble > (and spend more money) by using a proprietary PCI IDE controller board. But > the disk was dead cheap and really big so I bought it and connected it as > the primary master on the onboard controller and... > > Linux (stock 2.2.17) could ony push about 2.6 MB/s "through" it (hdparm -Tt > /dev/hda)... :-( > > The scsi disks can do about 5.5 - 6.1 MB/s (8Bit fast SCSI, no ultra, > adaptec 2940 PCI). > > So I tried to enable IDE DMA, 16 bit data transfers, no use. That was quite > disappointing but I gave up until yesterday when I (again) searched > >http://www.linux-ide.org > > I got the latest 2.2.17 ide-patch, made a new kernel and voila: > > My new IDE disk now "flies" at about 9.2 MB/s and really outperforms the > scsi disks!!! > > ABOUT 3.5 PERFORMANCE GAIN! FOR FREE!!! Unbelievable, but the truth with > free software... > > One thing I don't understand: Why is this patch not in the stock kernel? It > should (positively) affect lots of people, or am I missing something? > > P.S.: Please email me directly, I'm not subscribed to any Linux list. > > PPS: Beware 33+ Gig IDE disks if you have an Award 4.51 BIOS and want to > boot from it. > You will **NOT** be able to boot from disks >33G due to a BIOS bug. > See > http://www.storage.ibm.com/techsup/hddtech/bios338gb.htm > and > http://www.storage.ibm.com/techsup/hddtech/hddfaqs.htm > for details. > > Enjoy. > > Mit freundlichen Gruessen / best regards > > Michael Kwasigroch > FaxPlus/Open Development > > > eMail: [EMAIL PROTECTED] > > INTERCOPE GmbH > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
Here is what I can acheive using an IBM DeskStar 75 Gig 7200 RPM UDMA 100 (controller only does UDMA 66) using linux-2.4.0-test10-pre3 and 3.6 drivers for my VIA vt82c596b (I believe they are not official yet but were released as a test package by email around October 6th on this email list), here is the output of hdparm -Tt /dev/hda on my machine: 4 root@ledzep /var/log hdparm -Tt /dev/hda /dev/hda: Timing buffer-cache reads: 128 MB in 0.91 seconds =140.66 MB/sec Timing buffered disk reads: 64 MB in 2.32 seconds = 27.59 MB/sec 5 root@ledzep /var/log Which blows away the U/W SCSI hard drive I had in my last machine! Jordan Breeding Michael Kwasigroch wrote: Hi, I recently bought a 40Gig IBM ATA100 disk as a replacement for a dying 4G SCSI disk. I knew I was risking some trouble because I have an about 4 year old triton 2 board (Intel 430HX) and I didn't want to risk more trouble (and spend more money) by using a proprietary PCI IDE controller board. But the disk was dead cheap and really big so I bought it and connected it as the primary master on the onboard controller and... Linux (stock 2.2.17) could ony push about 2.6 MB/s "through" it (hdparm -Tt /dev/hda)... :-( The scsi disks can do about 5.5 - 6.1 MB/s (8Bit fast SCSI, no ultra, adaptec 2940 PCI). So I tried to enable IDE DMA, 16 bit data transfers, no use. That was quite disappointing but I gave up until yesterday when I (again) searched http://www.linux-ide.org I got the latest 2.2.17 ide-patch, made a new kernel and voila: My new IDE disk now "flies" at about 9.2 MB/s and really outperforms the scsi disks!!! ABOUT 3.5 PERFORMANCE GAIN! FOR FREE!!! Unbelievable, but the truth with free software... One thing I don't understand: Why is this patch not in the stock kernel? It should (positively) affect lots of people, or am I missing something? P.S.: Please email me directly, I'm not subscribed to any Linux list. PPS: Beware 33+ Gig IDE disks if you have an Award 4.51 BIOS and want to boot from it. You will **NOT** be able to boot from disks 33G due to a BIOS bug. See http://www.storage.ibm.com/techsup/hddtech/bios338gb.htm and http://www.storage.ibm.com/techsup/hddtech/hddfaqs.htm for details. Enjoy. Mit freundlichen Gruessen / best regards Michael Kwasigroch FaxPlus/Open Development eMail: [EMAIL PROTECTED] INTERCOPE GmbH - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
On Fri, 20 Oct 2000 [EMAIL PROTECTED] wrote: > [EMAIL PROTECTED] wrote.. > > > I reliably get 30MB/s with my IBM 30G 7200rpm ATA66 drive, using a > > Via VT82C586 controller. 2.4.0-test9. Modern drives are really fast. > > Hmm, I'm confused here. > VIA 586 can only do up to UDMA 2, which should return speeds less than > that. My system has an identical configuration, and I get ~12MB/s No the are the pci device ide but different guts. This is the ugliness that most never see. > Something doesn't add up here. > What mode do you have the drive in? > > Regards, > > Dave. > > -- > | Dave Jones <[EMAIL PROTECTED]> http://www.suse.de/~davej > | SuSE Labs > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > Please read the FAQ at http://www.tux.org/lkml/ > Andre Hedrick The Linux ATA/IDE guy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
[EMAIL PROTECTED] wrote.. > I reliably get 30MB/s with my IBM 30G 7200rpm ATA66 drive, using a > Via VT82C586 controller. 2.4.0-test9. Modern drives are really fast. Hmm, I'm confused here. VIA 586 can only do up to UDMA 2, which should return speeds less than that. My system has an identical configuration, and I get ~12MB/s Something doesn't add up here. What mode do you have the drive in? Regards, Dave. -- | Dave Jones <[EMAIL PROTECTED]> http://www.suse.de/~davej | SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
On Fri, 20 Oct 2000, safemode wrote: > > > That's what i was thinking, but 30MB/s seems to be quite an exaggeration. > On my > Intel Corporation 82371AB PIIX4 IDE (rev 01), ide chipset my master (10.2GB Yes because that chipset is limited to Ultra33 rates > maxtor 7200rpm UDMA66) drive i get ~15-16MB/s and on my slave (same > interface, 20.1GB maxtor 7200rpm UDMA66), i get ~13MB/s. This goes against > logic as the bigger the drive the faster the transferrate should be, and > it's about half of your estimate of Michael's 40GB. Is this due to the > slow disk access of 2.4.0-test10-preX ? Or am i experiencing a bug here? There is something goofy in the block layer. > Both drives are operating at UDMA33 mode (according to hdparm) and both > drives are set to using 32bit, dma, 16 sector read ahead and 16 sector > multi-access mode. I've posted results i've gotten from bonnie and > bonnie++ before, in all cases, the performance seems to be lacking for the > kind of hardware i have. You go through a buffered OS. > > On Fri, 20 Oct 2000 14:58:41 Andre Hedrick wrote: > > > > Michael, > > > > Whatever card you are using, in you are getting that low I need to know > > more info. That drive should cook at 30MB/sec. > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > Please read the FAQ at http://www.tux.org/lkml/ > Andre Hedrick The Linux ATA/IDE guy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
On Fri, 20 Oct 2000 15:34:04 Dmitry Pogosyan wrote: > safemode wrote: > > > That's what i was thinking, but 30MB/s seems to be quite an > exaggeration. > > On my > > Intel Corporation 82371AB PIIX4 IDE (rev 01), ide chipset my master > (10.2GB > > maxtor 7200rpm UDMA66) drive i get ~15-16MB/s and on my slave (same > > interface, 20.1GB maxtor 7200rpm UDMA66), i get ~13MB/s. This goes > against > > logic as the bigger the drive the faster the transferrate should be, > and > > it's about half of your estimate of Michael's 40GB. Is this due to the > > slow disk access of 2.4.0-test10-preX ? Or am i experiencing a bug > here? > > Both drives are operating at UDMA33 mode > > Isn't it this a reason ? You are not using UDMA66 Actually, the difference between UDMA33 and UDMA66 mode occurs mostly in the cache, I should be getting in the upwards of 20MB/s with UDMA33, the first drive is gettings speeds i would expect, but the second is drastically slower even though logic of ide drives dictate it should be going faster since it is bigger. At least this is the general pattern you see with ide drives. > > > (according to hdparm) and both > > drives are set to using 32bit, dma, 16 sector read ahead and 16 sector > > multi-access mode. I've posted results i've gotten from bonnie and > > bonnie++ before, in all cases, the performance seems to be lacking for > the > > kind of hardware i have. > > I have 17-18 MB/sec on my Quantum Fireball 6.4GB (5400 rpm) > drive attached to UDMA33 and 14-15 MB/sec on another, also 5400 rpm > (guess Samsung) drive. Both in -c1 -d1 -m16 mode. > > Ah, sorry, this is with ancient 2.2.5 kernel > > > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
On Fri, Oct 20, 2000 at 03:16:14PM -0400, safemode wrote: > That's what i was thinking, but 30MB/s seems to be quite an exaggeration. I reliably get 30MB/s with my IBM 30G 7200rpm ATA66 drive, using a Via VT82C586 controller. 2.4.0-test9. Modern drives are really fast. J - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
safemode wrote: > That's what i was thinking, but 30MB/s seems to be quite an exaggeration. > On my > Intel Corporation 82371AB PIIX4 IDE (rev 01), ide chipset my master (10.2GB > maxtor 7200rpm UDMA66) drive i get ~15-16MB/s and on my slave (same > interface, 20.1GB maxtor 7200rpm UDMA66), i get ~13MB/s. This goes against > logic as the bigger the drive the faster the transferrate should be, and > it's about half of your estimate of Michael's 40GB. Is this due to the > slow disk access of 2.4.0-test10-preX ? Or am i experiencing a bug here? > Both drives are operating at UDMA33 mode Isn't it this a reason ? You are not using UDMA66 > (according to hdparm) and both > drives are set to using 32bit, dma, 16 sector read ahead and 16 sector > multi-access mode. I've posted results i've gotten from bonnie and > bonnie++ before, in all cases, the performance seems to be lacking for the > kind of hardware i have. I have 17-18 MB/sec on my Quantum Fireball 6.4GB (5400 rpm) drive attached to UDMA33 and 14-15 MB/sec on another, also 5400 rpm (guess Samsung) drive. Both in -c1 -d1 -m16 mode. Ah, sorry, this is with ancient 2.2.5 kernel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
That's what i was thinking, but 30MB/s seems to be quite an exaggeration. On my Intel Corporation 82371AB PIIX4 IDE (rev 01), ide chipset my master (10.2GB maxtor 7200rpm UDMA66) drive i get ~15-16MB/s and on my slave (same interface, 20.1GB maxtor 7200rpm UDMA66), i get ~13MB/s. This goes against logic as the bigger the drive the faster the transferrate should be, and it's about half of your estimate of Michael's 40GB. Is this due to the slow disk access of 2.4.0-test10-preX ? Or am i experiencing a bug here? Both drives are operating at UDMA33 mode (according to hdparm) and both drives are set to using 32bit, dma, 16 sector read ahead and 16 sector multi-access mode. I've posted results i've gotten from bonnie and bonnie++ before, in all cases, the performance seems to be lacking for the kind of hardware i have. On Fri, 20 Oct 2000 14:58:41 Andre Hedrick wrote: > > Michael, > > Whatever card you are using, in you are getting that low I need to know > more info. That drive should cook at 30MB/sec. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
Michael, Whatever card you are using, in you are getting that low I need to know more info. That drive should cook at 30MB/sec. On Fri, 20 Oct 2000, Michael Kwasigroch wrote: > Hi, > > I recently bought a 40Gig IBM ATA100 disk as a replacement for a dying 4G > SCSI disk. I knew I was risking some trouble because I have an about 4 year > old triton 2 board (Intel 430HX) and I didn't want to risk more trouble > (and spend more money) by using a proprietary PCI IDE controller board. But > the disk was dead cheap and really big so I bought it and connected it as > the primary master on the onboard controller and... > > Linux (stock 2.2.17) could ony push about 2.6 MB/s "through" it (hdparm -Tt > /dev/hda)... :-( > > The scsi disks can do about 5.5 - 6.1 MB/s (8Bit fast SCSI, no ultra, > adaptec 2940 PCI). > > So I tried to enable IDE DMA, 16 bit data transfers, no use. That was quite > disappointing but I gave up until yesterday when I (again) searched > >http://www.linux-ide.org > > I got the latest 2.2.17 ide-patch, made a new kernel and voila: > > My new IDE disk now "flies" at about 9.2 MB/s and really outperforms the > scsi disks!!! > > ABOUT 3.5 PERFORMANCE GAIN! FOR FREE!!! Unbelievable, but the truth with > free software... > > > One thing I don't understand: Why is this patch not in the stock kernel? It > should (positively) affect lots of people, or am I missing something? > > > P.S.: Please email me directly, I'm not subscribed to any Linux list. > > PPS: Beware 33+ Gig IDE disks if you have an Award 4.51 BIOS and want to > boot from it. > You will **NOT** be able to boot from disks >33G due to a BIOS bug. > See > http://www.storage.ibm.com/techsup/hddtech/bios338gb.htm > and > http://www.storage.ibm.com/techsup/hddtech/hddfaqs.htm > for details. > > > Enjoy. > > > Mit freundlichen Gruessen / best regards > > Michael Kwasigroch > FaxPlus/Open Development > > > eMail: [EMAIL PROTECTED] > > INTERCOPE GmbH > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > Please read the FAQ at http://www.tux.org/lkml/ > Andre Hedrick The Linux ATA/IDE guy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
IDE disk slow? There's help...
Hi, I recently bought a 40Gig IBM ATA100 disk as a replacement for a dying 4G SCSI disk. I knew I was risking some trouble because I have an about 4 year old triton 2 board (Intel 430HX) and I didn't want to risk more trouble (and spend more money) by using a proprietary PCI IDE controller board. But the disk was dead cheap and really big so I bought it and connected it as the primary master on the onboard controller and... Linux (stock 2.2.17) could ony push about 2.6 MB/s "through" it (hdparm -Tt /dev/hda)... :-( The scsi disks can do about 5.5 - 6.1 MB/s (8Bit fast SCSI, no ultra, adaptec 2940 PCI). So I tried to enable IDE DMA, 16 bit data transfers, no use. That was quite disappointing but I gave up until yesterday when I (again) searched http://www.linux-ide.org I got the latest 2.2.17 ide-patch, made a new kernel and voila: My new IDE disk now "flies" at about 9.2 MB/s and really outperforms the scsi disks!!! ABOUT 3.5 PERFORMANCE GAIN! FOR FREE!!! Unbelievable, but the truth with free software... One thing I don't understand: Why is this patch not in the stock kernel? It should (positively) affect lots of people, or am I missing something? P.S.: Please email me directly, I'm not subscribed to any Linux list. PPS: Beware 33+ Gig IDE disks if you have an Award 4.51 BIOS and want to boot from it. You will **NOT** be able to boot from disks >33G due to a BIOS bug. See http://www.storage.ibm.com/techsup/hddtech/bios338gb.htm and http://www.storage.ibm.com/techsup/hddtech/hddfaqs.htm for details. Enjoy. Mit freundlichen Gruessen / best regards Michael Kwasigroch FaxPlus/Open Development eMail: [EMAIL PROTECTED] INTERCOPE GmbH - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
IDE disk slow? There's help...
Hi, I recently bought a 40Gig IBM ATA100 disk as a replacement for a dying 4G SCSI disk. I knew I was risking some trouble because I have an about 4 year old triton 2 board (Intel 430HX) and I didn't want to risk more trouble (and spend more money) by using a proprietary PCI IDE controller board. But the disk was dead cheap and really big so I bought it and connected it as the primary master on the onboard controller and... Linux (stock 2.2.17) could ony push about 2.6 MB/s "through" it (hdparm -Tt /dev/hda)... :-( The scsi disks can do about 5.5 - 6.1 MB/s (8Bit fast SCSI, no ultra, adaptec 2940 PCI). So I tried to enable IDE DMA, 16 bit data transfers, no use. That was quite disappointing but I gave up until yesterday when I (again) searched http://www.linux-ide.org I got the latest 2.2.17 ide-patch, made a new kernel and voila: My new IDE disk now "flies" at about 9.2 MB/s and really outperforms the scsi disks!!! ABOUT 3.5 PERFORMANCE GAIN! FOR FREE!!! Unbelievable, but the truth with free software... One thing I don't understand: Why is this patch not in the stock kernel? It should (positively) affect lots of people, or am I missing something? P.S.: Please email me directly, I'm not subscribed to any Linux list. PPS: Beware 33+ Gig IDE disks if you have an Award 4.51 BIOS and want to boot from it. You will **NOT** be able to boot from disks 33G due to a BIOS bug. See http://www.storage.ibm.com/techsup/hddtech/bios338gb.htm and http://www.storage.ibm.com/techsup/hddtech/hddfaqs.htm for details. Enjoy. Mit freundlichen Gruessen / best regards Michael Kwasigroch FaxPlus/Open Development eMail: [EMAIL PROTECTED] INTERCOPE GmbH - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
Michael, Whatever card you are using, in you are getting that low I need to know more info. That drive should cook at 30MB/sec. On Fri, 20 Oct 2000, Michael Kwasigroch wrote: Hi, I recently bought a 40Gig IBM ATA100 disk as a replacement for a dying 4G SCSI disk. I knew I was risking some trouble because I have an about 4 year old triton 2 board (Intel 430HX) and I didn't want to risk more trouble (and spend more money) by using a proprietary PCI IDE controller board. But the disk was dead cheap and really big so I bought it and connected it as the primary master on the onboard controller and... Linux (stock 2.2.17) could ony push about 2.6 MB/s "through" it (hdparm -Tt /dev/hda)... :-( The scsi disks can do about 5.5 - 6.1 MB/s (8Bit fast SCSI, no ultra, adaptec 2940 PCI). So I tried to enable IDE DMA, 16 bit data transfers, no use. That was quite disappointing but I gave up until yesterday when I (again) searched http://www.linux-ide.org I got the latest 2.2.17 ide-patch, made a new kernel and voila: My new IDE disk now "flies" at about 9.2 MB/s and really outperforms the scsi disks!!! ABOUT 3.5 PERFORMANCE GAIN! FOR FREE!!! Unbelievable, but the truth with free software... One thing I don't understand: Why is this patch not in the stock kernel? It should (positively) affect lots of people, or am I missing something? P.S.: Please email me directly, I'm not subscribed to any Linux list. PPS: Beware 33+ Gig IDE disks if you have an Award 4.51 BIOS and want to boot from it. You will **NOT** be able to boot from disks 33G due to a BIOS bug. See http://www.storage.ibm.com/techsup/hddtech/bios338gb.htm and http://www.storage.ibm.com/techsup/hddtech/hddfaqs.htm for details. Enjoy. Mit freundlichen Gruessen / best regards Michael Kwasigroch FaxPlus/Open Development eMail: [EMAIL PROTECTED] INTERCOPE GmbH - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/ Andre Hedrick The Linux ATA/IDE guy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
That's what i was thinking, but 30MB/s seems to be quite an exaggeration. On my Intel Corporation 82371AB PIIX4 IDE (rev 01), ide chipset my master (10.2GB maxtor 7200rpm UDMA66) drive i get ~15-16MB/s and on my slave (same interface, 20.1GB maxtor 7200rpm UDMA66), i get ~13MB/s. This goes against logic as the bigger the drive the faster the transferrate should be, and it's about half of your estimate of Michael's 40GB. Is this due to the slow disk access of 2.4.0-test10-preX ? Or am i experiencing a bug here? Both drives are operating at UDMA33 mode (according to hdparm) and both drives are set to using 32bit, dma, 16 sector read ahead and 16 sector multi-access mode. I've posted results i've gotten from bonnie and bonnie++ before, in all cases, the performance seems to be lacking for the kind of hardware i have. On Fri, 20 Oct 2000 14:58:41 Andre Hedrick wrote: Michael, Whatever card you are using, in you are getting that low I need to know more info. That drive should cook at 30MB/sec. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
On Fri, 20 Oct 2000 15:34:04 Dmitry Pogosyan wrote: safemode wrote: That's what i was thinking, but 30MB/s seems to be quite an exaggeration. On my Intel Corporation 82371AB PIIX4 IDE (rev 01), ide chipset my master (10.2GB maxtor 7200rpm UDMA66) drive i get ~15-16MB/s and on my slave (same interface, 20.1GB maxtor 7200rpm UDMA66), i get ~13MB/s. This goes against logic as the bigger the drive the faster the transferrate should be, and it's about half of your estimate of Michael's 40GB. Is this due to the slow disk access of 2.4.0-test10-preX ? Or am i experiencing a bug here? Both drives are operating at UDMA33 mode Isn't it this a reason ? You are not using UDMA66 Actually, the difference between UDMA33 and UDMA66 mode occurs mostly in the cache, I should be getting in the upwards of 20MB/s with UDMA33, the first drive is gettings speeds i would expect, but the second is drastically slower even though logic of ide drives dictate it should be going faster since it is bigger. At least this is the general pattern you see with ide drives. (according to hdparm) and both drives are set to using 32bit, dma, 16 sector read ahead and 16 sector multi-access mode. I've posted results i've gotten from bonnie and bonnie++ before, in all cases, the performance seems to be lacking for the kind of hardware i have. I have 17-18 MB/sec on my Quantum Fireball 6.4GB (5400 rpm) drive attached to UDMA33 and 14-15 MB/sec on another, also 5400 rpm (guess Samsung) drive. Both in -c1 -d1 -m16 mode. Ah, sorry, this is with ancient 2.2.5 kernel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
On Fri, 20 Oct 2000, safemode wrote: That's what i was thinking, but 30MB/s seems to be quite an exaggeration. On my Intel Corporation 82371AB PIIX4 IDE (rev 01), ide chipset my master (10.2GB Yes because that chipset is limited to Ultra33 rates maxtor 7200rpm UDMA66) drive i get ~15-16MB/s and on my slave (same interface, 20.1GB maxtor 7200rpm UDMA66), i get ~13MB/s. This goes against logic as the bigger the drive the faster the transferrate should be, and it's about half of your estimate of Michael's 40GB. Is this due to the slow disk access of 2.4.0-test10-preX ? Or am i experiencing a bug here? There is something goofy in the block layer. Both drives are operating at UDMA33 mode (according to hdparm) and both drives are set to using 32bit, dma, 16 sector read ahead and 16 sector multi-access mode. I've posted results i've gotten from bonnie and bonnie++ before, in all cases, the performance seems to be lacking for the kind of hardware i have. You go through a buffered OS. On Fri, 20 Oct 2000 14:58:41 Andre Hedrick wrote: Michael, Whatever card you are using, in you are getting that low I need to know more info. That drive should cook at 30MB/sec. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/ Andre Hedrick The Linux ATA/IDE guy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
Re: IDE disk slow? There's help...
[EMAIL PROTECTED] wrote.. I reliably get 30MB/s with my IBM 30G 7200rpm ATA66 drive, using a Via VT82C586 controller. 2.4.0-test9. Modern drives are really fast. Hmm, I'm confused here. VIA 586 can only do up to UDMA 2, which should return speeds less than that. My system has an identical configuration, and I get ~12MB/s Something doesn't add up here. What mode do you have the drive in? Regards, Dave. -- | Dave Jones [EMAIL PROTECTED] http://www.suse.de/~davej | SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
