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Old 05-07-2007, 03:08 AM   #1
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Question 3TB Raid 5 with adaptec 2820sa can't boot


I just received a nice Adaptec 2820SA (8x SATA II ports) and lots of 500GB units. Then I created a new RAID 5 drives with the 8 disks to get 3.18TB of free space with EXT3. I tried to install CENTOS 5 two times, the 1st time using automatic partitions (using volumes) and the 2nd time I only created a root partition (mountet as /) with all the free space and a swap of 2GB.
Unfortunatly when the installation is over, there is always a crash (kernel panic...) when linux is trying to boot. I'm using the latest firmwares (controller + drives) and the drivers seems to be well loaded by the OS (working fine in the installation).

I really would like to have a bid raid 5 partition for the whole system (/...).

Thanks for your help !
Old 05-07-2007, 07:48 AM   #2
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Have you tested making a 10GB raid and installing onto that? If that works, then the filesystem size is probably an issue - but if that fails as well, then you have a problem with the raid controller/drivers/etc..
Old 05-07-2007, 01:16 PM   #3
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It's working fine with a 1.3TB EXT3 partition... so may be that EXT3 doesn't support more that 2TB ?? Anyway the specifications seems to say that it's possible without problems

2 years before I used ReiserFS with a Suse server with 2TB... but that's amazing, Fedora, CentOS and RHEL are using this dawn EXT3 !

May be should I try ReiserFS v4 but I really have no idea how to install it before the installation.. seems difficult .

Thanks you for your help

edit : I'm trying now with fedora and the boot cmd : "linux reiserfs"...

Last edited by raf_iso; 05-07-2007 at 02:52 PM.
Old 05-07-2007, 03:15 PM   #4
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may be the solution here for linux admins


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