Re: Third-party drives not permitted on Gen 11 servers

2010-02-16 Thread Tino Schwarze
Hi there,

On Thu, Feb 11, 2010 at 11:52:04AM +0100, Tino Schwarze wrote:

 I mailed my sales rep yesterday explaining my concerns and got a reply
 today that he'll ask the marketing department for an official statement.

I got an answer today (German, English translation below):

 [...] Ich kann Sie voll und ganz verstehen. DELL hat sich entschieden an
 dieser Stelle den gleichen Weg zu gehen wie die Konkurrenz (HP,IBM). Das
 heisst auch bei den anderen werden Sie dort kein Glück haben was diese
 Sache an geht.  Zur Zeit kann ich Ihnen dann nur den Perc 6i empfehlen
 solange dieser noch zur Verfügung steht. Falls Sie hierzu noch weitere
 Fragen haben sollten, dann rufen Sie mich bitte kurz an. Vielen Dank für
 Ihr Verständnis.
 
 P.S. ich hätte Ihnen gerne eine andere Auskunft gegeben :-/ 

Rough translation: I do fully understand you. DELL decided to go the
same route as it's competitors (HP, IBM). Which means you'll be out of
luck there as well regarding this issue. For the time being I can only
recommend the PERC 6i as long as it is available. Please call me if
you've got further questions. Thank you for your understanding.
PS: I'd rather given you a different information. 

End of translation.

Tino.

-- 
What we nourish flourishes. - Was wir nähren erblüht.

www.lichtkreis-chemnitz.de
www.tisc.de

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RE: Reverse DNS lookup syslog (Debian 4.0)

2010-02-16 Thread Brian O'Mahony
Not my call. Network engineers won't even entertain the idea.

-Original Message-
From: linux-poweredge-boun...@dell.com 
[mailto:linux-poweredge-boun...@dell.com] On Behalf Of Jefferson Ogata
Sent: Tuesday, February 16, 2010 4:52 AM
To: linux-powere...@lists.us.dell.com
Subject: Re: Reverse DNS lookup  syslog (Debian 4.0)

On 2010-02-15 10:22, Brian O'Mahony wrote:
 Not possible with 600+ machines in different locations around the world. MAC 
 reservations for clients is not an option here.

Only 600+? Of course it's possible. The only legitimate reason to use
non-static assignment is if you don't have enough address space for your
devices and they need to take turns.

Not knowing what devices are attaching to your networks gives you
exactly the sort of problem you're currently trying to find a kluge for,
and invites unwelcome guests on your network.

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Re: Third-party drives not permitted on Gen 11 servers

2010-02-16 Thread Rahul Nabar
On Tue, Feb 16, 2010 at 3:35 AM, Tino Schwarze
linux-poweredge.li...@tisc.de wrote:
 Hi there,

 On Thu, Feb 11, 2010 at 11:52:04AM +0100, Tino Schwarze wrote:

 I mailed my sales rep yesterday explaining my concerns and got a reply
 today that he'll ask the marketing department for an official statement.

 I got an answer today (German, English translation below):

 If only these were home-grade devices and not enterprise. We'd have
to wait on the order of 2 days for some smart kid to come along and
tweak a few lines in the firmware that do the check. :)

-- 
Rahul

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Re: Third-party drives not permitted on Gen 11 servers

2010-02-16 Thread Blake Hudson
 Original Message  
Subject: Re: Third-party drives not permitted on Gen 11 servers
From: Jeff jlar...@gmail.com
To: linux-poweredge@dell.com
Date: Wednesday, February 10, 2010 1:24:38 PM
 On Wed, Feb 10, 2010 at 12:48 PM, Bond Masuda bond.mas...@jlbond.com wrote:
   
 however, bottom line is this: Dell is trying to increase profits and
 they see this lock-in as a potential method to achieve that goal. if
 Dell customers want to see this change, you'll just need to show Dell
 that it doesn't accomplish that goal. I.e., stop buying Dell, cancel
 your orders, etc. anything short of this will not change how a business
 operates. no amount of complaining on this mailing list is going to make
 this change until dollars are at stake.
 
 +1.

 We are all preaching to the choir here. This list is not the best
 forum for getting our message across to Dell. I just wrote to my Dell
 Sales rep informing her that future sales are in jeopardy. Maybe if we
 all do that, they might take notice.

 Jeff

 ___
   

RAM and HDDs are the most common upgrades we perform on our servers. At
least half of our servers get upgrades of one or both of these. I
typically buy qualified RAM from Crucial and purchase HDDs from a local
or online vendor as a commodity item. This often occurs several years
after initial purchase when the servers are re-purposed. We wrote our
sales rep regarding the topic of this thread and his response was
basically: Yes, we are doing this... It's called HDD lock strategy
which blocks non-Dell certified HDDs from being used with these
controllers.. Attached was a pdf explaining the stringent quality
control standards for Dell's HDDs. No apology, remorse, alternative
solutions, etc.

Vendor lock in is not an option I am willing to support. Either we will
purchase RAID controllers that support standard drives with our Dell
servers or we will purchase non-Dell servers.

--Blake


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Re: raid-5 to raid-10 conversion for PERC-6i?

2010-02-16 Thread Alexander Dupuy
I wrote:
 The only approach that I can see might be to remove a drive from the 
 RAID-5 (making it into a RAID-0), 

Stroller replied:
 Removing a drive from a RAID5 does not make it a RAID0 - it makes it a 
 degraded RAID5, BTW.
It depends on how you do the removal.  Using the MegaCli command-line 
tool, if you do a logical drive reconstruction to remove the drive from 
RAID-5, you will end up with a RAID-0, e.g.:

MegaCli -LDRecon -Start -R0 -Rmv [E32:S3] -L1 -a0

This capability is also possible with the Web/BIOS under the 
Reconstruction Wizard.

Marking the drive offline or missing, will of course give you a degraded 
RAID-5.

 I'm a little confused why you want to do this, and all this way. You 
 seem to be acting penurious about drives, ... perhaps this is simply 
 related to the number of drives you can fit in your RAID cage at one 
 time?

PowerEdge 1950 with four 2.5 drive bays - although I also have some 
2950 systems, which have eight bays (five occupied), allowing more 
flexibility - on one of those systems, I could add three drives, 
allowing a full RAID-10 to be created by the spares (3 new + 1 taken 
from the RAID-5).  It would probably be easier on those systems to move 
the contents of the RAID-5 to the two disk RAID-0 that takes up the 
other slots.

 I've read recently (here?) that RAID10 /or RAID01 performs better 
 than RAID5, but RAID5 is really nice  flexible  easily expandable - 
 surely if performance was a major bottleneck  consideration, you 
 would have planned for this? I'm not putting you down, but most of us 
 don't need to bleed every ounce of performance from our hardware.

The answer: it depends.  For (random and/or small) writes, a RAID-10 
will have better performance than RAID-5; for reads, the RAID-5 (with 
the same number of drives) will be better.  So the performance benefit 
will depend on the read/write mix, which can change depending on 
workload (and thus is not always possible to plan for).   There's a nice 
blog series that shows this at 
http://kendalvandyke.blogspot.com/2009/02/disk-performance-hands-on-series.html

 I would imagine that migrating a RAID0 or RAID1 to RAID10 or RAID01 
 might well be officially supported

RAID-0 to RAID-1 is supported, but there seems to be no way to convert 
even these into RAID-10.

@alex

-- 
mailto:alex.du...@mac.com

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Vendor ID?

2010-02-16 Thread Steve Thompson

I've just noticed that on all my PE2900 systems with Perc 5 or 6 
controllers, an omreport storage pdisk always shows a Vendor ID of DELL, 
whether they are Dell-supplied disks or not. Is this always true?

-s

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RE: Vendor ID?

2010-02-16 Thread Stephan van Hienen
 -Original Message-
 From: linux-poweredge-boun...@dell.com 
 [mailto:linux-poweredge-boun...@dell.com] On Behalf Of Steve
 Thompson
 Sent: dinsdag 16 februari 2010 20:11
 To: linux-poweredge@dell.com
 Subject: Vendor ID?
 
 I've just noticed that on all my PE2900 systems with Perc 5 or 6
 controllers, an omreport storage pdisk always shows a Vendor ID of DELL,
 whether they are Dell-supplied disks or not. Is this always true?
On my T300 with a PERC6 :

Controller PERC 6/i Adapter (Slot 3)
ID: 0:0:0
Status: Ok
Name  : Physical Disk 0:0:0
[..]
Vendor ID : SEAGATE 
Product ID: ST31000640SS

Stephan

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Re: [OT] php_warn

2010-02-16 Thread madunix
solved by setting error reporting to 0 in “configuration.php” file

$mosConfig_error_reporting = '0;

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RE: Vendor ID?

2010-02-16 Thread Steve Thompson
On Tue, 16 Feb 2010, Stephan van Hienen wrote:

 Controller PERC 6/i Adapter (Slot 3)
 ID: 0:0:0
 Status: Ok
 Name  : Physical Disk 0:0:0
 [..]
 Vendor ID : SEAGATE
 Product ID: ST31000640SS

How interesting! I have (disks not sourced from Dell):

Vendor ID : DELL
Product ID: ST3750330NS

-steve

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removing drives from PE2850 w/ PERC 4e/Di

2010-02-16 Thread Shannon Gray

I'm looking at permanently removing a drive from a PE2850 system with PERC 
4e/Di card.

I've read through the docs and searched through the PERC bios but it looks like 
I can't permanently remove a drive without completely clearing the entire 
configuration and starting from scratch.

If I simply disable the drive and remove it when I reboot the BIOS will halt on 
a message about a problem with the configuration. It looks like it would do 
that every time which is not so desirable in a remote server.

Can anybody clarify this for me? What's the best way to permanently remove a 
single (raid 0) drive from a PE2850 with PERC 4e/Di?

Thanks!

Shannon


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Re: Vendor ID?

2010-02-16 Thread Brandon Ooi

 On my T300 with a PERC6 :

 Controller PERC 6/i Adapter (Slot 3)
 ID: 0:0:0
 Status: Ok
 Name  : Physical Disk 0:0:0
 [..]
 Vendor ID : SEAGATE
 Product ID: ST31000640SS

 Stephan

Non-Dell disks? You rebel!

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Re: Third-party drives not permitted on Gen 11 servers

2010-02-16 Thread Jefferson Ogata
On 2010-02-16 17:46, Blake Hudson wrote:
 Attached was a pdf explaining the stringent quality
 control standards for Dell's HDDs. No apology, remorse, alternative
 solutions, etc.

That's pretty funny considering the fairly high failure rate of Dell 
drives. If you actually check the SMART statistics you'll see the PERC 
often tries to pretend bad drives are just fine. For example I have a 
Dell-provided Seagate in a PE2950 right now that has logged 100 
uncorrected write errors and 10 uncorrected read errors, and has failed 
a SMART long self-test. The PERC says 2 media errors and hasn't failed 
it out of the RAID.

Well, I guess this is the year I start diving into HP or IBM gear.

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Re: Third-party drives not permitted on Gen 11 servers

2010-02-16 Thread William Warren
On 2/16/2010 4:35 AM, Tino Schwarze wrote:
 Hi there,

 On Thu, Feb 11, 2010 at 11:52:04AM +0100, Tino Schwarze wrote:


 I mailed my sales rep yesterday explaining my concerns and got a reply
 today that he'll ask the marketing department for an official statement.
  
 I got an answer today (German, English translation below):


 [...] Ich kann Sie voll und ganz verstehen. DELL hat sich entschieden an
 dieser Stelle den gleichen Weg zu gehen wie die Konkurrenz (HP,IBM). Das
 heisst auch bei den anderen werden Sie dort kein Glück haben was diese
 Sache an geht.  Zur Zeit kann ich Ihnen dann nur den Perc 6i empfehlen
 solange dieser noch zur Verfügung steht. Falls Sie hierzu noch weitere
 Fragen haben sollten, dann rufen Sie mich bitte kurz an. Vielen Dank für
 Ihr Verständnis.

 P.S. ich hätte Ihnen gerne eine andere Auskunft gegeben :-/
  
 Rough translation: I do fully understand you. DELL decided to go the
 same route as it's competitors (HP, IBM). Which means you'll be out of
 luck there as well regarding this issue. For the time being I can only
 recommend the PERC 6i as long as it is available. Please call me if
 you've got further questions. Thank you for your understanding.
 PS: I'd rather given you a different information.

 End of translation.

 Tino.


I think i'll clal hpo and see if what this person is saying is actually 
true.

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