On Wed, 12 Jan 2011, John R Pierce wrote:
>
> To: centos@centos.org
> From: John R Pierce
> Subject: Re: [CentOS] Kernel Errors Present...
>
>
>> In the BIOS I turn DMA off for /dev/hda and /dev/hdc,
>> but they still show up in /proc/ide/.../settings as
>>
On Sat, 15 Jan 2011, Ryan Wagoner wrote:
> To: CentOS mailing list
> From: Ryan Wagoner
> Subject: Re: [CentOS] Kernel Errors Present
>
> On Sat, Jan 15, 2011 at 7:57 AM, Keith Roberts wrote:
>> I hope to be be getting some custom made 80 wire UDMA IDE
>> cabl
On Mon, 17 Jan 2011, Shade.GE wrote:
> To: CentOS mailing list
> From: Shade.GE
> Subject: Re: [CentOS] Kernel Errors Present
>
> Same Problem here, the harddrive (2.5" Samsung HM121HC) running with
> Kernel 2.6.18-194.32.1.el5 (x86_64) produces errors on high load.
>
Same Problem here, the harddrive (2.5" Samsung HM121HC) running with
Kernel 2.6.18-194.32.1.el5 (x86_64) produces errors on high load.
With one step back kernel the errors are gone. Im already changed the
harddrive with a new one, same errors on the newest kernel.
dmesg output:
hdc: status error:
On Sat, Jan 15, 2011 at 7:57 AM, Keith Roberts wrote:
> I hope to be be getting some custom made 80 wire UDMA IDE
> cables sorted ASAP. That should squeeze extra speed from all
> the drives on the machine.
You shouldn't need custom cables. IDE 80 pin cables can be sourced all
over the Internet fo
On Sat, 15 Jan 2011, Leonard den Ottolander wrote:
> To: CentOS mailing list
> From: Leonard den Ottolander
> Subject: Re: [CentOS] Kernel Errors Present
>
> Hi Keith,
>
> On Thu, 2011-01-13 at 19:03 +, Keith Roberts wrote:
>> Well it seems likely it's beca
Hi Keith,
On Thu, 2011-01-13 at 19:03 +, Keith Roberts wrote:
> Well it seems likely it's because the drive is on a
> 40-wire cable. But the kernel wants to do UDMA at 100 MB/s.
See hdparm's -X switch to override the (U)DMA mode used for the drive.
Regards,
Leonard.
--
mount -t life -o ro
On Thu, 13 Jan 2011, compdoc wrote:
> To: centos@centos.org
> From: compdoc
> Subject: Re: [CentOS] Kernel Errors Present
>
> Is it the ITE IT8212 ATA RAID Controller ?
Yes it is a card with that ITE8212 chip on it.
I had to reflash the BIOS on the card, to make it work in
st
Is it the ITE IT8212 ATA RAID Controller ?
I would suspect that raid card - the few I've tried didn't work well even
with the manufacturer's supplied windows drivers. The linux drivers might
not be any better.
I'm not sure why you distrust DMA, or if it's just on this one card that you
have probl
On Thu, 13 Jan 2011, Tsuyoshi Nagata wrote:
> To: CentOS mailing list
> From: Tsuyoshi Nagata
> Subject: Re: [CentOS] Kernel Errors Present
>
> Hi Keith
> (2011/01/13 6:39), Keith Roberts wrote:
>> hde: dma_intr: error=0x84 { DriveStat ...: 12 Time(s)
>&g
On Thu, 13 Jan 2011, Tsuyoshi Nagata wrote:
> To: CentOS mailing list
> From: Tsuyoshi Nagata
> Subject: Re: [CentOS] Kernel Errors Present
>
> Hi Keith
> (2011/01/13 6:39), Keith Roberts wrote:
>> hde: dma_intr: error=0x84 { DriveStat ...: 12 Time(s)
>&g
Hi Keith
(2011/01/13 6:39), Keith Roberts wrote:
>hde: dma_intr: error=0x84 { DriveStat ...: 12 Time(s)
>hde: dma_intr: status=0x51 { DriveReady SeekComplete
The first error is data transmitting error. Your HARD DRIVE have
a data transmitting error or malfunction on transmitting pa
Use the modern, 80 wire cables, and trust the technology - it's come a long
way.
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Gosh that's an old drive. Seems its capable of some speed, tho:
Data transfer rate (buffer to host)
Mode 5 Ultra ATA4 100 MB/s
Mode 4 Ultra ATA4 66.6 MB/s
Mode 2 Ultra ATA4 33.3 MB/s
Mode 2 DMA4 16.6 MB/s
Mode 4 PIO4 16.6 MB/s
John Pierce is right - if you don't use a dma mode, the cpu has a lot
On 01/12/11 2:47 PM, Keith Roberts wrote:
> I'm only using 40 wire IDE cables, and from past experience
> I don't trust DMA 100%
40 wire supports DMA modes up to Ultra/DMA 33 (as in 33Mbyte/sec).
UDMA 66+ require the 80 wire shielded cables (and both drives on the
same cable have to support it
On Wed, 12 Jan 2011, John R Pierce wrote:
> To: centos@centos.org
> From: John R Pierce
> Subject: Re: [CentOS] Kernel Errors Present...
>
>
>> In the BIOS I turn DMA off for /dev/hda and /dev/hdc,
>> but they still show up in /proc/ide/.../settings as
>> using
On Wed, 12 Jan 2011, compdoc wrote:
> What model is the drive?
=== START OF INFORMATION SECTION ===
Model Family: Western Digital Caviar family
Device Model: WDC WD400BB-00GFA0
Serial Number:WD-WMAKA1241735
Firmware Version: 09.01B09
User Capacity:40,020,664,320 bytes
Device is:
What model is the drive?
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> In the BIOS I turn DMA off for /dev/hda and /dev/hdc,
> but they still show up in /proc/ide/.../settings as
> using_dma 1.
say HUH?IDE PIO modes are like 3-7 MBytes/sec and require 100% CPU
utilization during the transfer phase. why in dogs name would you be
doing this in 2011 ?
__
On Wed, 12 Jan 2011, m.r...@5-cent.us wrote:
> To: CentOS mailing list
> From: m.r...@5-cent.us
> Subject: Re: [CentOS] Kernel Errors Present...
>
> Keith Roberts wrote:
>> On Wed, 12 Jan 2011, compdoc wrote:
>>
>>> To: 'CentOS mailing list'
>&
Keith Roberts wrote:
> On Wed, 12 Jan 2011, compdoc wrote:
>
>> To: 'CentOS mailing list'
>> From: compdoc
>> Subject: Re: [CentOS] Kernel Errors Present
>>
>> Bad sectors get reallocated automatically, so you might
>> not find any with testin
On Wed, 12 Jan 2011, compdoc wrote:
> To: 'CentOS mailing list'
> From: compdoc
> Subject: Re: [CentOS] Kernel Errors Present
>
> Bad sectors get reallocated automatically, so you might
> not find any with testing. You need to see how many have
> been reall
Bad sectors get reallocated automatically, so you might not find any with
testing. You need to see how many have been reallocated.
SMART should already be enabled, so maximize your term window and type:
smartctl -a /dev/sdb
That will show the reallocated sector count, as well as power on hours,
On Wed, Jan 12, 2011 at 4:45 AM, Keith Roberts wrote:
>
> It's an old drive I'm using for swap space, /var, and /tmp.
> (It's on a PCI IDE controller, that's why it comes up as
> hde.)
>
> If I test it for bad sectors using Vivard, there are no bad
> sectors found or remapped.
>
> I'm just trying
I'm getting this message in my logwatch email notification:
- Kernel Begin
WARNING: Kernel Errors Present
sdb:<3>Buffer I/O error on device sdb, l ...: 2
Time(s)
Buffer I/O error on device sdb, l ...: 12 Time(s)
hde: dma_intr: er
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