Re: Initrd boot phase errors reading bogus partition on raid drive.

"Acarphinus" <acarphinus-not@xxxxxxxxx> wrote in message
news:N9mdndHSWJLfjtzYnZ2dnUVZ_rqdnZ2d@xxxxxxxxxxxxxx
Hi gurus!
Booting my Fedora 5 (2.6.18-1.2200.fc5) system takes an extra couple of
minutes because of disk errors. The system is trying to ?do something?
with a partition on a drive that is part of a raid set, and failing.

When I boot, I get several screens worth of the following error
Buffer I/O error on device hde1, logical block 625153152

These errors occur during the initrd boot phase. After the system
boots, the system is apparently ok.

hde is part of a 2 disk striped raid set, and that set is formatted as a
single ntfs partition. I can stop the errors if I add ?hde=noprobe
hdf=noprobe? as a kernel boot parameter, but then I cannot use dmraid to
access my raid partition, because /dev/hde & /dev/hde don?t exist. I
tried adding boot parameter ?hde=19457,255,63? but the device remains
invisible.

My naive guess is that I can solve my problem by either
1) Getting dmraid to see my drives after a boot that uses ?noprobe?
2) Stopping whatever program is trying to access hde1 during the initrd
boot.
All my attempts at 1) have failed, and I have no idea how to do 2).

My System has
An Abit AN7 nforce chipset motherboard with
2 ATA onboard channels
onboard Si3112 SATA Raid ( I use SATA, but not the SATA raid)
A SiI0680 (CMD 680) pci ATA card

The drive layout is
hda onboard ata [hda1=/boot ,ext3 : hda2=unmounted, ntfs]
hdc onboard ata [ hdc1= /, ext3 : hdc2=swap : hdc3=/var, ext3]
** hde SiI0680 striped raid set 1
hdf SiI0680 [ hdf1=unmounted, ntfs ]
** hdg SiI0680 striped raid set 1
sda onboard SATA [sda1=unmounted, ntfs]
** dm-0 raid 1[dm-0p1=unmounted, ntfs]

Thanks!

1. Backup data.
2. Replace drive generating errors.
either under warantee or with a new/known good one.
3. Put data back.

later.....


.

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