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mkincheloe n00b
Joined: 16 Sep 2003 Posts: 5 Location: Austin, TX
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Posted: Sat Oct 11, 2003 9:06 am Post subject: Linux software RAID problems: |
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I'm having some problems setting up a software RAID-0 array on my SPARCstation 5. Everything seems to go well throughout the install process. I found the install guide and this thread to be extremely helpful. The problem comes when Im done with everything and I reboot after Step 29 in the guide. When booting the kernel detects the array and is happy with the first disk. Then it comes to the second disk it displays some errors and eventually says that it won't work because there's only one disk in the array. Kernel panic. I realize this is a partially bogus question since I failed to write down the errors before I blew everything away and started over but... Are there any known issues with Linux software raid and sparc machines? Also when I booted off the cd and started the install process again fdisk /dev/sdb came up with an unfamiliar device selection screen asking what kind of drive it was. I don't know if this is related or if it is normal.
My partitions were as follows:
/dev/sda1 - /boot - ext2 - 64MB
/dev/sda2 - swap - 288 MB
/dev/sda3 - Whole Disk
/dev/sda4 - Linux RAID - rest of the disk
/dev/sdb1 - Linux RAID
/dev/sdb3 - Whole Disk
/dev/md0 - / - ext3
mkraid produced no errors, creating the ext3 filesystem produced no errors, mounting the volume produced no errors, and thoughout the install process there were no problems reading from and writing to the /mnt/gentoo directory.
If this rings a bell with someone I'd love to hear from you.
Thanks.
System:
SPARCstation 5 with 192MB RAM, Gentoo LiveCD 'gentoo-sparc-1.4_rc4.iso', (2) 2GB SCSI disks. |
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bent Tux's lil' helper
Joined: 26 Mar 2003 Posts: 75 Location: New Zealand
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Posted: Fri Oct 17, 2003 8:10 am Post subject: |
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Make sure the partitions you're running RAID on DO NOT start at cylinder 0. This isn't documented in the Software-RAID howto IIRC. Sounds exactly like the problems I was having.
Simply repartition the disks, and don't start at cyl 0, start at cyl 1. Then you should be fine. Of course, you'll lose anything you put on them probably, but after partitioning, do mkraid /dev/md0 and then fsck /dev/md0, you may or may not recover.
If you don't mind copying everything back to the raid, just mkfs them after you've repartitioned.
HTH! |
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bent Tux's lil' helper
Joined: 26 Mar 2003 Posts: 75 Location: New Zealand
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Posted: Fri Oct 17, 2003 8:10 am Post subject: |
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Make sure the partitions you're running RAID on DO NOT start at cylinder 0. This isn't documented in the Software-RAID howto IIRC. Sounds exactly like the problems I was having.
Simply repartition the disks, and don't start at cyl 0, start at cyl 1. Then you should be fine. Of course, you'll lose anything you put on them probably, but after partitioning, do mkraid /dev/md0 and then fsck /dev/md0, you may or may not recover.
If you don't mind copying everything back to the raid, just mkfs them after you've repartitioned.
HTH! |
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