Red Hat Bugzilla – Bug 190417
Anaconda does not detect HPT372 RAID1
Last modified: 2008-05-06 11:52:22 EDT
Description of problem: During installation, Anaconda does not detect my HPT372 RAID1 array, but instead lists two separate disk devices with identical content, /dev/hde and /dev/hdg. How reproducible: Run the FC5 graphical installation. dmraid -ay -t produces the following output: hpt37x_baadhdbjcd: 0 156301477 mirror core 2 64 nosync 2 /dev/hde 0 /dev/hdg 10 Please find anaconda.log attached to this report. Let me know if you need any additional information.
Created attachment 128466 [details] anaconda.log
I can confirm that this remains the case with the latest FC6-test2 distribution. I belive that it *may* be possible to install onto a "broken" raid, then create the raid in BIOS duplicate onto the redunant disk, reboot onto an instalation on a non raid disk. Detect the raid with dmraid -ay -f hpt and then mount /dev/mapper/hpt37_xxxxx1 or whatever, then CHROOT to it and run mkinitrd to create a suitible initrd for booting on the raid. However as yet I've not had a chance to test this convoluted approach (don't have spare drive to put non-raid install just now)!
Done some further testing, treid swapping in a promise Fastrack TX2 card instead of the highpoint 37x adaptec one, unfortuantely the card has problems duplicating the array during the BIOS based RAID creation process so I can't confirm if it works. However if I try to boot with a degraded array onto a valid linux install on a drive not on the promise Fastrack TX2 the system crashes so I susepct there may be a fualt on this card. Interstingly when I put the highpoint card back in 1) dmraid reports 2 raid signatures as it should 2) anaconda detects the promise pdc one and gives the option of using /dev/mapper/pdc_xxxx as an install device even though this doesn't exist 3) recreating the highpoint raid (without duplication) so that there is a valid RAID signature on the disk stops anaconda detecting the pdc one (expected) but it doesn't detect the hpt one ! Is there some command I can do manually in the installation shell at an early stage before the system goes to detect the partitions to make the highpoint one show up as an option ? Meantime I've got a spare drive and will try above convoluted appraoch mentioned in my last post.
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