Thank you, Bernard
I stop the pfilter, and re-image client nodes. it works! ! :-)
two of my three client nodes can boot successfully now, but still one
has a problem.
probing devices to guess BIOS drives,this may take a long
time:
end-request: I/O error ,dev fd0, sector 0
Buffer I/O error on device fd0 logical block 0
> This sounds suspiciously like an issue with pfilter. You have two options:
>
> 1) Disable pfilter on the headnode:
>
> # /etc/init.d/pfilter stop
>
> then re-image your nodes
>
> 2) Update the kernel of the *headnode*
>
> # yum update kernel-smp
>
> then re-image your nodes
>
> If you went with 1), note that pfilter will be restarted when you run the
> "Complete Cluster Setup" step.
>
> Hopefully this works...
>
> Cheers,
>
> Bernard
>
> ________________________________
>
> From: [EMAIL PROTECTED] on behalf of liukai
> Sent: Mon 31/07/2006 21:58
> To: [email protected]
> Subject: Re: [Oscar-users] client nodes cannotreboot properlyafter
> imagetransfer
>
>
> Dear Bernard:
> yesterday evening, I had re-imaged the client nodes. the process froze
> before transfer completed. I got a series of rsync errors:
> ............................................
> opt/lam-7.0.6/man/man3/MPI_Group_incl.3
> opt/lam-7.0.6/man/man3/MPI_Group_intersection.3
> rsync: read error: connection timed out(110)
> rsync error:error in rsync protocol data stream(code 12) at
> io.c(584)
> rsync:connection unexpectdly closed(1095846 bytes received so
> far) [generator]
> rsync error:error in rsync protocol data stream(code 12) at
> io.c(434)
> killing off running processes
> write_variables
> <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> your autoinstall has failed.........
> ..............................
> <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> /scripts/pre-install#_
>
>
> My system: FC3+ oscar4.2 , is this a systemimager problem?
>
> Thank you!
>
>
> Imaging logs are not stored in the headnode, you'll need to re-image
> the node and look at the console. You can hit shift-pageup on the console to
> scroll up.
>
> Even if /mnt/sysimage did not automatically mount, you should be able
> to mount the /boot partition manually. Assuming you used the default
> partition scheme from scsi.disk, then execute:
>
> mount /dev/sda1 /mnt
>
> Then you should be able to read /mnt/grub/menu.lst.
>
> Cheers,
>
> Bernard
>
> ________________________________
>
> From: [EMAIL PROTECTED] on behalf of liukai
> Sent: Mon 31/07/2006 00:38
> To: [email protected]
> Subject: Re: [Oscar-users] client nodes cannot reboot properlyafter
> imagetransfer
>
>
>
> thanks for your reply.
> i chose "beep" as my post-instal action , so i had to reboot clients
> manually.
> i agree with you, the transferation failed in all probability..but i
> did not yet check the error messages, where can i find them in server
> node?
> i did try boot one of them with rescue CD, but the client's
> filesystem can't be mounted to /mnt/sysimage , so i can't see the
> context of /boot/grub.
>
> thank you again..
>
>
>
> When you build the client image, which post-install action did
> you choose (beep, shutdown or reboot)? If you chose reboot it should
> automatically reboot. Anyways, dropping to "ash" sounds like the process
> failed - did you see any other messages?
>
> Can you boot up one of the nodes with a rescue CD (you can use
> the first CD of FC3 and type "linux rescue") and then post the contents of
> your HD's /boot/grub/menu.lst?
>
> Cheers,
>
> Bernard
>
>
> ________________________________
>
> From: [EMAIL PROTECTED] on behalf of ??
> Sent: Mon 31/07/2006 00:03
> To: [email protected]
> Subject: [Oscar-users] client nodes cannot reboot properly
> after imagetransfer
>
>
> Cluster HD info:
> > headnode 2x Piii 1.0G 35G scsi 2G ram
> > clientnode 2x piii 1.0G 8G scsi 2G ram (3
> client nodes)
>
> System:FC3 (workstation) + OSCAR4.2
> ____________________________________________
>
> After image transfer completely (i'm not sure whether it
> is successful or not), all of the client nodes enter a "ash" , i can see the
> image filesystem in "/a" , then i reboot clients from hard disk manually. i
> get following errors from all of the client nodes:
> grub loading ,step 1.5
> please wait....
> error 15
>
> then I checked the manual of grub, i get these:
> error 15 : File not found
> This error is returned if the specified file name
> cannot be found, but everything else (like the disk/partition info) is OK.
>
> does it imply the transferation of image was failed?
> how can i fix it?
>
> Any help would be appreciated.
>
>
> ---------
> liukai
>
>
>
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