I/O errors in PowerEdge 2900 with Megaraid SAS

Wed Dec 19 07:19:03 CST 2007

But now the big question,

are you running 32bit Debian or 64Bit debian?

Im running on a 32Bit version.

Louis

>-----Oorspronkelijk bericht-----
>Van: linux-poweredge-bounces at dell.com 
>[mailto:linux-poweredge-bounces at dell.com] Namens Victor Olalla
>Verzonden: woensdag 19 december 2007 12:40
>Aan: linux-poweredge at dell.com
>Onderwerp: RE: I/O errors in PowerEdge 2900 with Megaraid SAS
>
>Thanks to all for your answers, 
>
>I'm going to try with backports.org but I don't like to use 
>unstable or testing kernels on production...let's see.
>
>My Power Edge 2900 has a Quad Core Xeon E5320 1.86GHz 
>processor, that can execute 64bit instructions but It's not a 
>64bit native processor, I think.
>
>With kernel 2.6.18-5-i686 the error persists
>
>I have to confirm that we have the latest Perc firmware version.
>
>Victor Olalla.
>
>"L.P.H. van Belle" <belle at bazuin.nl> escribió:
>
>	Hi, 
>	
>	To help a bit, 
>	
>	Im running on my PE2900 with 2x E5345 CPU, Bios 2.0.1, 
>Latest Perc firmware
>	also
>	and kernel 2.6.18-5-i686 . And no problems at all. ( no 64 Bit )
>	
>	Louis
>	
>	
>	>-----Oorspronkelijk bericht-----
>	>Van: linux-poweredge-bounces at dell.com 
>	>[mailto:linux-poweredge-bounces at dell.com] Namens Robert Goley
>	>Verzonden: dinsdag 18 december 2007 21:36
>	>Aan: linux-poweredge at dell.com
>	>Onderwerp: Re: I/O errors in PowerEdge 2900 with Megaraid SAS
>	>
>	>I have experienced issues with 2970s and recently a 2900 with 
>	>a RAID 5 arrays 
>	>on the PERC5 controller. I have upgraded all of the kernels 
>	>to backports.org 
>	>2.6.21 or 2.6.22 kernels. The problems seem to have 
>went away. I saw 
>	>additional communication errors and the filesystems were 
>	>mounted readonly 
>	>automatically because of the errors. I am using Debian Etch 
>	>(AMD64). The 
>	>problems I saw took from hours to days to appear. All 
>machines worked 
>	>properly after reboot with the 2.6.18 kernel. I have used the 
>	>2.6.18 kernel 
>	>with Debian Sarge on the 2900 machines for a long time 
>now without any 
>	>trouble. It has something to do with Etch or 64 bit. I am 
>	>not sure past 
>	>that. Your particular errors may also be related to cache on 
>	>the controller. 
>	>
>	>Robert
>	>
>	>On Tuesday 18 December 2007 14:54, Victor Olalla wrote:
>	>> Hi to all,
>	>>
>	>> I'm having problems with a Power Edge 2900 machine.
>	>>
>	>> I have configured a Raid5 with three SAS disks and I
>	>> have installed a Linux Debian etch with 2.6.18 kernel.
>	>>
>	>> After 2 months of perfect work, the system is throwing
>	>> a lot of error messages about I/O, also mounts the
>	>> filesystem in read_only. Here is a little fragment
>	>> from dmesg:
>	>>
>	>> sd 0:2:0:0: [sda] Result: hostbyte=DID_BAD_TARGET
>	>> driverbyte=DRIVER_OK,SUGGEST_OK
>	>> sd 0:2:0:0: [sda] Result: hostbyte=DID_BAD_TARGET
>	>> driverbyte=DRIVER_OK,SUGGEST_OK
>	>> end_request: I/O error, dev sda, sector 24786199
>	>> Buffer I/O error on device sda3, logical block 2554073
>	>> sd 0:2:0:0: [sda] Result: hostbyte=DID_BAD_TARGET
>	>> driverbyte=DRIVER_OK,SUGGEST_OK
>	>> lost page write due to I/O error on sda3
>	>> end_request: I/O error, dev sda, sector 24786343
>	>> Buffer I/O error on device sda3, logical block 2554091
>	>> lost page write due to I/O error on sda3
>	>> sd 0:2:0:0: [sda] Result: hostbyte=DID_BAD_TARGET
>	>> driverbyte=DRIVER_OK,SUGGEST_OK
>	>> end_request: I/O error, dev sda, sector 24786399
>	>> end_request: I/O error, dev sda, sector 8024063
>	>> sd 0:2:0:0: [sda] Result: hostbyte=DID_BAD_TARGET
>	>> driverbyte=DRIVER_OK,SUGGEST_OK
>	>> end_request: I/O error, dev sda, sector 8285991
>	>> sd 0:2:0:0: [sda] Result: hostbyte=DID_BAD_TARGET
>	>> driverbyte=DRIVER_OK,SUGGEST_OK
>	>> end_request: I/O error, dev sda, sector 9858639
>	>> sd 0:2:0:0: [sda] Result: hostbyte=DID_BAD_TARGET
>	>> driverbyte=DRIVER_OK,SUGGEST_OK
>	>> end_request: I/O error, dev sda, sector 9858679
>	>> sd 0:2:0:0: [sda] Result: hostbyte=DID_BAD_TARGET
>	>>
>	>> After a reboot, the system works fine, without any
>	>> error about the filesystems. But after few hours,
>	>> (sometimes 3 hours and sometimes 30 hours) the I/O
>	>> errors return.
>	>>
>	>> I have changed the kernel, using a 2.6.22 kernel the
>	>> problem persists.
>	>>
>	>> Has anyone some experience with this problem?
>	>>
>	>> Thanks a lot.
>	>>
>	>>
>	>>
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