Boot hanging at initializing hardware

Neil100 — Tue, 23 Feb 2010 00:48:53 GMT

Hi all,

I have a BladeSystem c7000 Enclosure with 16 blades.

They are all running RHEL4 Update 8.

The blades are connected to a tape storage unit over fibre.

When I reboot one of the blades, the boot process hangs at the initializing hardware step. Closer investigation (using strace) reveals it is during the running of /sbin/kmodule and more specifically when it probes /dev/nst2 The output from strace looks like this

11:21:19 access("/dev/nst1", F_OK) = 0
11:21:19 open("/dev,nst1",O_RDONLY|O_NONBLOCK)= 3
11:21:19 ioctl(3, CDROMAUDIOBUFSIZ or SCSI_IOCTL_GET_IDLUN, 0x7fbfffab58) = 0
11:21:19 close(3) = 0
11:21:19 access("/dev/nst2", F_OK) = 0
11:21:19 open("/dev/nst2",O_RDONLY|O_NONBLOCK) = -1 EIO (Input/output error)
13:11:22 access("/dev/nst3", F_OK) = 0
13:11:22 open("/dev/nst3",O_RDONLY|O_NONBLOCK) = 3
13:11:22 ioctl(3, CDROMAUDIOBUFSIZ or SCSI_IOCTL_GET_IDLUN, 0x7fbfffab58) = 0
13:11:22 close(3) = 0

You can see the open("/dev/nst2" line ends in EIO (Input/output error) after nearly 2 hours.

The servers were successfully rebooted last time on Feb 7th. If I remove the tape device from the servers, they boot fine. I have tried updatig the Proliant Support pack, and HBA firmware on one of the servers, but this didn't make a difference.

How can I find out more about what has changed, and what is causing this issue ?

Thanks

Re: Boot hanging at initializing hardware

Dennis Handly — Sun, 28 Feb 2010 03:40:48 GMT

What kind of blades do you have?

Re: Boot hanging at initializing hardware

Neil100 — Sun, 28 Feb 2010 22:27:04 GMT

Hi

the blades are ProLiant BL460c G1

Thanks

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Boot hanging at initializing hardware

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