Re: HP Smart Array 6i opinions

2006-03-08 Thread Matt Hartzell
I have used the 6i n the same situation. RAID5 performance with 3 - 36 
GB SCSI disk is acceptable.


I have never had a disk fail on these controllers so I can't comment on 
fail over.


The util's on http://people.freebsd.org/~jcagle/ don't seen to work 
under 6.x, however status messages are sent to the console and can be 
sent to syslog.  camcontrol devlist will give you a quick status (OK or 
REBUILDING)


For me it is workable solution.





kama wrote:


I have used the whole range (or somewhat) for internal SA's. Starting with
the internal one in DL380R1 and up to G4.

Performance of 6i in freebsd is better than 5i, but worse than if you
insert a external card (6402/6404). I mostly use the internal SA as
systemdisk only on systems with a lot of disk IO. A single write is OK,
but multiple rw's are not its best side. I had some performance data a
year ago regarding the different setups, but Im afraid they are long gone
now.

I have not have any problems with a recover. But it takes time. 18GB
~15-20 mins on 5i. dunno on 6i... I have yet to get a failure on those
servers.

http://people.freebsd.org/~jcagle/ is available. But it screams to the
console and logs when something occurs, so there are other options to
report an error.

/Bjorn

On Mon, 27 Feb 2006, Steven Hartland wrote:

 


Has anyone had any dealings with the HP Smart Array 6i?

Specifically looking for info on:
* Performance
* Disk failure recover
* Available tools for monitoring etc.

  Regards
  Steve



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Re: HP Smart Array 6i opinions

2006-03-08 Thread Matt Hartzell

Wilko Bulte wrote:


On Wed, Mar 08, 2006 at 09:27:50AM -0600, Matt Hartzell wrote..
 

I have used the 6i n the same situation. RAID5 performance with 3 - 36 
GB SCSI disk is acceptable.


I have never had a disk fail on these controllers so I can't comment on 
fail over.


The util's on http://people.freebsd.org/~jcagle/ don't seen to work 
under 6.x, however status messages are sent to the console and can be 
   



Well, you need to put libc.so.5 plus libpthread.so.mumble from a RELENG_5
machine on your RELENG_6 machine and then they work.

ldd hpasm* tells you which libraries exactly you need.  One of the
2 is statically linked by the way (I forgot which one)
 

Would using the libpthread from 5 have any negative affect on MySQL 
performance?



 

sent to syslog.  camcontrol devlist will give you a quick status (OK or 
REBUILDING)


For me it is workable solution.





kama wrote:

   


I have used the whole range (or somewhat) for internal SA's. Starting with
the internal one in DL380R1 and up to G4.

Performance of 6i in freebsd is better than 5i, but worse than if you
insert a external card (6402/6404). I mostly use the internal SA as
systemdisk only on systems with a lot of disk IO. A single write is OK,
but multiple rw's are not its best side. I had some performance data a
year ago regarding the different setups, but Im afraid they are long gone
now.

I have not have any problems with a recover. But it takes time. 18GB
~15-20 mins on 5i. dunno on 6i... I have yet to get a failure on those
servers.

http://people.freebsd.org/~jcagle/ is available. But it screams to the
console and logs when something occurs, so there are other options to
report an error.

/Bjorn

On Mon, 27 Feb 2006, Steven Hartland wrote:



 


Has anyone had any dealings with the HP Smart Array 6i?

Specifically looking for info on:
* Performance
* Disk failure recover
* Available tools for monitoring etc.

Regards
Steve



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or otherwise disseminating it or any information contained in it.


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please telephone (023) 8024 3137

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