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mverrilli
n00b
Joined: 04 Jul 2002
Posts: 40
Location: Atlanta, GA
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 Posted: Wed Jul 03, 2002 6:02 pm Post subject: Linux RAID hanging? |
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I'm posting from work, so I might not have all the details...
The setup:
Brand new 1.2 gentoo installation using the stage3 tarball.
| Code: | Dual P3 450mhz
onboard ide:
/dev/hda1 swap
/dev/hda2 /boot ext2
fastrak/66 card:
/dev/md0 / xfs raid0
/dev/hde1 linux autoraid
/dev/hdg1 linux autoraid |
I am not using the fastrak raid, I have no disks set up in an fastrak array, I am using linux's built in software raid.
Everything boots up fine, everything runs fine under normal load. (Although I haven't added X yet...) Gentoo rocks. 
The problem:
When I compile for long periods of time... eventually the compile freezes. It doesn't matter what I compile, just that it is usually a large compile. Any programs that are already running, like telnet, top, etc work fine. Anything that requires going to disk hangs.
How do I fix this? What can I do to get the information I need to track down the issue? Is there a known problem doing this? |
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rommel
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Joined: 19 Apr 2002
Posts: 1145
Location: Williamsburg Virginia
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| Posted: Wed Jul 03, 2002 7:03 pm Post subject: |
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| i think if it were my system i would redo the install...this time from stage1...and then choose the vanilla kernel...and you might as well forget xfs unless there is a very specific feature that you need that it offers that ext3 doesnt....i got terrible through put using xfs and lsr on an smp system...run hdparm -t /dev/md0 adn see what it gives you....i am not saying these things will solve you problem but i think the stage1 and vanilla kernel might help |
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mverrilli
n00b
Joined: 04 Jul 2002
Posts: 40
Location: Atlanta, GA
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| Posted: Wed Jul 03, 2002 11:00 pm Post subject: |
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Well, I haven't taken that advice just yet... but I might if this didn't fix it.
In the linux config, I had support for my promise card compiled in, but I didn't have the Special UDMA feature and Special Fastrak feature compiled in. I don't know exactly what these are, but I enabled them.
Started my long emerge kde, and it has been running for 3 hours almost... so the problem might be licked. |
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rommel
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Joined: 19 Apr 2002
Posts: 1145
Location: Williamsburg Virginia
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| Posted: Thu Jul 04, 2002 1:50 am Post subject: |
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| oh yeah absolutely enable those options...i ahd a fast track tx2 and enabled all that and had lsr 0 screaming...did you do the hdparm -t /dev/md0 before and after (you should ahve just to see the difference) |
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mverrilli
n00b
Joined: 04 Jul 2002
Posts: 40
Location: Atlanta, GA
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| Posted: Thu Jul 04, 2002 2:04 am Post subject: |
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I didn't do it before... although I still have the old kernel, I could do it just to test it out.  It's still compiling, so I'll do it when it's done (tomorrow? hehe).
While compiling I get 34Mb/sec. I've done zero tweaks, though.
So... compiling many hours now without a freeze, I'm guessing those options fixed me. I'll post my before and after rates later. |
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rommel
Veteran
Joined: 19 Apr 2002
Posts: 1145
Location: Williamsburg Virginia
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| Posted: Thu Jul 04, 2002 2:09 am Post subject: |
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| cool....it will be interesting to see the difference anyway..but hopefully you will run smoothly now. |
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