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henninc
partially protected
Joined: 17 Aug 2009
Posts: 6
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 Posted: Mon Aug 17, 2009 2:27 pm Post subject: XServeRAID freezes machine / RAIDAdmin shows all good |
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Hi there!
I'm having an issue with of of our XServeRAIDs.
The drive seems to hang and then freeze the MacPro it's connected to.
At the moment there are only two large clips on it, when I am editing it may run stable for a whole day but then on another day it freezes the whole system after like 20 minutes. This issue is not reproducable.
Another XServeRAID just works fine, so I don't think I can blame the MacPro.
I already reformatted the RAID (yes, the 48h format), did a complete surface scan with the RAIDAdmin tool, as well as with TechToolPro.
The AdminTool shows me nothing to worry about - green lights all over.
Any more indepth tool I could try? Any other thoughts?
This is a XServeRAID 5.6 TB, firmware 1.51, RAID 5.
Thanks! |
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abstractrude
Xsan Master
Joined: 13 Mar 2008
Posts: 863
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| Posted: Mon Aug 17, 2009 6:32 pm Post subject: |
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| system log of the mac pro when it crashes. including anything from diskarbitrationd and Crash Reporter. |
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henninc
partially protected
Joined: 17 Aug 2009
Posts: 6
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| Posted: Tue Aug 18, 2009 4:57 pm Post subject: |
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thanks for the reply. need to wait a little until the machine freezes again.
as I said it's not reproducible. will post logs then. |
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henninc
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Joined: 17 Aug 2009
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| Posted: Fri Aug 21, 2009 12:58 pm Post subject: |
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ok, here it goes:
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21.08.09 15:42:19 kernel IOAudioStream[0x6d0a800]::clipIfNecessary() - Error: attempting to clip to a position more than one buffer ahead of last clip position (2c8,3ce)->(2c9,581).
21.08.09 15:42:19 kernel IOAudioStream[0x6d0a800]::clipIfNecessary() - adjusting clipped position to (2c9,3ce)
21.08.09 15:47:21 kernel AppleRAID::completeRAIDRequest - error 0xe00002ca detected for set "ZOOL" (2E3B6422-2655-481A-82EC-1177203AA409), member 51AA070A-B903-40BF-A6DF-00F663739690, set byte offset = 341948215296.
21.08.09 15:47:21 kernel disk4: I/O error.
21.08.09 15:47:21 kernel AppleRAID::completeRAIDRequest - error 0xe00002ca detected for set "ZOOL" (2E3B6422-2655-481A-82EC-1177203AA409), member 51AA070A-B903-40BF-A6DF-00F663739690, set byte offset = 341950312448.
21.08.09 15:47:21 kernel disk4: I/O error.
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i shortened the log. and I see disk4 having an I/O error. raid admin says the drive is fine. |
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abstractrude
Xsan Master
Joined: 13 Mar 2008
Posts: 863
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| Posted: Fri Aug 21, 2009 1:35 pm Post subject: |
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| are you using apple softwareraid? |
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henninc
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Joined: 17 Aug 2009
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| Posted: Sat Aug 22, 2009 3:38 am Post subject: |
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| yes. in RAIDAdmin I set up each "half" as RAID5, then in DiskUtility I set up both "halfs" as RAID 0. is that wrong the wrong procedure? sorry, I feel like a noob right now. |
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henninc
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Joined: 17 Aug 2009
Posts: 6
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| Posted: Mon Aug 24, 2009 5:58 pm Post subject: |
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ok, here's the plan:
splitting the xserve in its two RAID 5 halfs and then (maybe) narrowing it down to a faulty harddrive. I've also been suggested a faulty backplane where the drives connect to may be faulty.
any thought on that?
thanks for any input - I feel kinda lost.
thanks! |
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fritz.
Xsan Master
Joined: 03 Oct 2007
Posts: 177
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| Posted: Mon Aug 24, 2009 7:35 pm Post subject: |
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You mentioned that you have a separate Xserve RAID that doesn't exhibit any issues. Are you using the same Fibre Channel cables with both of the RAIDs?
What type of video are you trying to play back from the RAID? Would it play from just one controller? One thing to consider along with isolating the issue to separate controllers is to swap both the controllers out entirely with the ones from the known good Xserve RAID. |
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henninc
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Joined: 17 Aug 2009
Posts: 6
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| Posted: Fri Aug 28, 2009 2:00 pm Post subject: |
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sorry for the late reply.
good point - swapping the controllers. too bad I already went the
the "splitting" route as previously described. thanks anyway ;) |
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