topic Re: HP DL360 G3 Hangs on Disk Removal in Operating System - Linux

HP DL360 G3 Hangs on Disk Removal

Robert Jurinac — Wed, 21 Apr 2004 06:48:17 GMT

Hi!
I have installed Debian 3.0r2 on HP DL360 G3, with custom kernel 2.4.24. Everything worked OK until I tried to remove one of disks in RAID 1. System respondes to return key but as soon as I try to do something which needs disk it hangs (simple ls command is enough).

Here is context of /proc/driver/cciss/cciss0:
cciss0: HP Smart Array 5i Controller
Board ID: 0x40800e11
Firmware Version: 2.56
IRQ: 31
Logical drives: 1
Current Q depth: 0
Current # commands on controller: 0
Max Q depth since init: 128
Max # commands on controller since init: 128
Max SG entries since init: 31
Monitor thread period: 0
Monitor thread deadline: 0
Status: operational
Sequential access devices: 0
cciss/c0d0: 34.72GB RAID 1(0+1)

Thanks,

Robert

Re: HP DL360 G3 Hangs on Disk Removal

Steven E. Protter — Wed, 21 Apr 2004 08:29:52 GMT

Raid 0+1 nis not Raid 1.

Raid 1 i an exact mirror copy.

It would appear that your array is configured to stripe and mirror.

So what happened would appear to be a configuration issue.

How was it done? Disk druid? After installation change? That servers array setup needs to be redone to make it work the way you expect it too.

SEP

Re: HP DL360 G3 Hangs on Disk Removal

Robert Jurinac — Wed, 21 Apr 2004 09:18:15 GMT

It says "RAID 1(0+1)" which is RAID 1 (value in bracket has no efects in this case).
It is RAID 1 with 2 disk in it (36,4GB Ultra 320 SCSI 15K), configured using HPs (Compaq's:) "Option Rom Configuration for Arrays" version 2.16. And as result I have one logical drive in RAID 1, visible for Debian as /dev/cciss/c0d0.

Re: HP DL360 G3 Hangs on Disk Removal

Roberto Polli — Thu, 22 Apr 2004 05:29:18 GMT

Which ciss module do you have?

Being a hw raid you shouldn't see anything...

I use rh8.0a and i never experienced such a problems. Is it possible that the mirrored hd is broken?

Peace, R.

Re: HP DL360 G3 Hangs on Disk Removal

Robert Jurinac — Thu, 22 Apr 2004 11:22:29 GMT

cciss (drivers for the Compaq Smart Array controllers) are version 2.4.50.

What did you mean by "Being a hw raid you shouldn't see anything...".
As a hw raid I don't see both disks but just one device (which states for this two disks in RAID1) which should be OK.
Both disk are OK (same behavior is if I remove first or second)
After systems hangs, only solution is to power off/on server and than every thing works normal (but this is not the way things should behave :)

Re: HP DL360 G3 Hangs on Disk Removal

Robert Jurinac — Thu, 06 May 2004 05:23:00 GMT

It seems that firmware 2.56 for Smart Array Controller 5i+ was the problem. I upgraded to version 2.58 and now everything work OK.

Re: HP DL360 G3 Hangs on Disk Removal

Stuart Browne — Thu, 06 May 2004 18:21:06 GMT

What he meant is that hardware RAID should be tolerant enough in a RAID1 or RAID5 setup to still be able to run, and it shouldn't effect the OS.

Of which you know which is why you were here. ;)

This is a good one for the forums.. Thank you for posting your findings back here!

Re: HP DL360 G3 Hangs on Disk Removal

Olivier Drouin — Fri, 07 May 2004 07:12:46 GMT

1 question first...

Are you sure you didnt do it too fast ? The LEDs of both disk must be constant green when you take a disk... The rebuild process must be completed (so they are completely in sync) before you take a disk.

Re: HP DL360 G3 Hangs on Disk Removal

Jeroen Peereboom — Fri, 07 May 2004 08:59:09 GMT

I have firmware 2.36 (at least this is shown on the screen at boot time) and did encounter problems. Even accidentally interrupting the recovery process didn't do any harm.

JP.

Re: HP DL360 G3 Hangs on Disk Removal

Robert Jurinac — Fri, 07 May 2004 09:19:09 GMT

I have two DL380G3 with SmartArray 5i+ and firmware version 2.36 and everything is working fine, so my first idea after suspecting firmware was to downgrade it from 2.56 to 2.36. Then I find out that 2.58A is available and that one of the thing it fixes is "Fixed an issue where some ProLiant server models may become unresponsive after a drive hot-plug". Details can be found in Customer Advisory http://wwss1pro.compaq.com/support/reference_library/viewdocument.asp?source=EX031212_CW01.xml&dt=3

Re: HP DL360 G3 Hangs on Disk Removal

Jeroen Peereboom — Mon, 10 May 2004 06:48:08 GMT

Robert,

thanks for your reply.

JP