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Old 03-11-2005, 06:59 PM   #1
acummings
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Registered: Jul 2004
Distribution: Slackware
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No raid but has raid message output by dmesg?


Hi,

Can anyone explain why the dmesg raid info?

Since I do not have raid. I myself did not install raid nor did I tell it to use raid.

There is only one scsi hard drive and one IDE cdrom drive in each of the next mentioned two machines.

Portion of dmesg outputs raid info this happens on two different machines. One uses an Asus P2bs motherboard with ultra 2 (u2w lvd) Adaptec controller that's built into the motherboard . It's running Slackware 10.1 using the adaptec.s kernel. The other machine uses an Abit BX6 motherboard (no on motherboard scsi controller) but on it I do use an Adaptec 29160 an Ultra 160 pci scsi adapter. This second machine runs the latest Kanotix distro it's installed onto the scsi hard drive.

Using Google I searched linuxquestions.org for raid5

site:linuxquestions.org raid5

It turned up some hits mainly in the context of dmesg output

Once again, very nearly if not the same as my two machines dmesg output.

Does anyone have an explanation?

Both my machines also have onboard IDE controllers and I hope this is not confusing the adaptec.s kernel?

On Slackware 10.1, I told it to install the adaptec.s kernel (I hope that's the correct kernel though not absolutely certain that it is so). Can anyone enlighten me a bit more on this issue?

Both machines seem to run alright. Thanks. Alan.

Here's a snippet of dmesg output from the u2w the Slackware 10.1 machine:

RAMDISK driver initialized: 16 RAM disks of 7777K size 1024 blocksize
loop: loaded (max 8 devices)
Uniform Multi-Platform E-IDE driver Revision: 7.00beta4-2.4
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PIIX4: IDE controller at PCI slot 00:04.1
PIIX4: chipset revision 1
PIIX4: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0xd800-0xd807, BIOS settings: hdaio, hdbio
ide1: BM-DMA at 0xd808-0xd80f, BIOS settings: hdcMA, hddio
hdc: CD-ROM Drive/G6D, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
hdc: attached ide-cdrom driver.
hdc: ATAPI 56X CD-ROM drive, 128kB Cache, UDMA(33)
Uniform CD-ROM driver Revision: 3.12
SCSI subsystem driver Revision: 1.00
Loading Adaptec I2O RAID: Version 2.4 Build 5
Detecting Adaptec I2O RAID controllers...
Red Hat/Adaptec aacraid driver (1.1-3 Jan 20 2005 16:18:15)
PCI: Found IRQ 10 for device 00:06.0
PCI: Sharing IRQ 10 with 00:04.2
scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
<Adaptec aic7890/91 Ultra2 SCSI adapter>
aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/253 SCBs

(scsi1:A:6): 80.000MB/s transfers (40.000MHz, offset 15, 16bit)
Vendor: SEAGATE Model: SX118202LC Rev: B704
Type: Direct-Access ANSI SCSI revision: 02
scsi1:A:6:0: Tagged Queuing enabled. Depth 8
Attached scsi disk sda at scsi1, channel 0, id 6, lun 0
SCSI device sda: 35566480 512-byte hdwr sectors (18210 MB)
Partition check:
sda: sda1 sda2 sda3 < sda5 >
md: linear personality registered as nr 1
md: raid0 personality registered as nr 2
md: raid1 personality registered as nr 3
md: raid5 personality registered as nr 4
raid5: measuring checksumming speed
8regs : 1561.200 MB/sec
32regs : 898.400 MB/sec
pIII_sse : 1902.800 MB/sec
pII_mmx : 2135.600 MB/sec
p5_mmx : 2229.200 MB/sec
raid5: using function: pIII_sse (1902.800 MB/sec)
md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
LVM version 1.0.8(17/11/2003)
Initializing Cryptographic API
NET4: Linux TCP/IP 1.0 for NET4.0
 
Old 03-12-2005, 01:11 PM   #2
exvor
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Registered: Jul 2004
Location: Phoenix, Arizona
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Ignore it



Im running zipslack on a thumb drive on a computer that doesent even have raid and i still get the message about raid5


its just loading a driver for a possible raid


in your case you actually have the hardware to do raid and your just not using it. You wont get rid of the message unless you recompile and leave out the driver. But it wont affect anything.
 
Old 03-12-2005, 09:23 PM   #3
ironwalker
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If you wont be needing raid remove "mdadm".
raidtools
and unload the aacraid and I2O modules

Loading Adaptec I2O RAID: Version 2.4 Build 5
Detecting Adaptec I2O RAID controllers...
Red Hat/Adaptec aacraid driver (1.1-3 Jan 20 2005 16:18:15)
PCI: Found IRQ 10 for device 00:06.0
PCI: Sharing IRQ 10 with 00:04.2
scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36
<Adaptec aic7890/91 Ultra2 SCSI adapter>
aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/253 SCBs


Do you have a raid card and or onboard raid...if you have onboard raid capable mainboard go in the bios and disable the onboard raid.
If you have a raid card...remove it.........that is if you wont be useing it.
send it to me*wink*
 
Old 03-14-2005, 12:31 AM   #4
acummings
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Registered: Jul 2004
Distribution: Slackware
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Original Poster
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Quote:
Do you have a raid card and or onboard raid..
Unsure. But think the answer is not. From what I know, the hardware not termed as raid.

http://www.adaptec.com/worldwide/sup...ey=AHA-2940U2W

Slack machine has that hardware but it's onboard the motherboard (not a pci card) it the Intel BX chipset motherboard Asus P2BS.
--


http://www.adaptec.com/worldwide/sup...dkey=ASC-29160

Kanotix machine has exactly one of those but on 32 bit due to the motherboard does not have 64 bit..
--

I'm unaware if a software raid can be set up on either of these or not.

If it's raid, isn't the hardware itself usually called raid?

Thanks. Alan.
 
  


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