Re: [Networker] Very slow inquire command (fwd)

2007-05-30 11:37:06
Subject: Re: [Networker] Very slow inquire command (fwd)
From: "Marcelo H. Bartsch" <mbartsch AT UNIX911.ATH DOT CX>
Date: Wed, 30 May 2007 11:34:27 -0400
Afair 7.2 is only supported on RHEL3 (and lower) and or other kernel 2.4
based distros, 2.6 change scsi subsystem, and only 7.3.2 supports it.

On Wed, 2007-05-30 at 09:17 -0600, Librado Pamintuan wrote:
> I think this is a compatibility issue with RedHat ES 4 and Networker. I am 
> having the same issues.
> I was on RedHat ES 3 update 5 before, same Networker version - v.7.2.2 (jumbo 
> patch) and same hardware.
> Dell PowerEdge 2850 with LSI Logic HBA to an ADIC Scalar 100 with 2 IBM LTO-2 
> tape drives.
> When I was on this kernel,  you can get the response immediately after you 
> hit the 'Enter' key when you use inquire and nsrjb commands, but right after 
> I upgraded to RedHat ES 4 update 4, everything went too slow even using the 
> GUI. Just inventory 1 to 36 slots using the GUI takes at least an hour this 
> time.
> To use Inquire and nsrjb command, you can go get coffee and be back before 
> you can get the output.
> I already tried to resolve this with Dell, Legato, RedHat and LSI Logic Tech. 
> supports, but got nothing.
> Update 5 is now available on RedHat ES 4, I will download it and boot from it 
> and will see if there are any improvements.
> regards,
> Librado Pamintuan
> Technical Support Analyst II
> Information Systems Div.
> Operations Group
> City of Regina
> Phone:          (306) 777-7573
> General Fax: (306) 777-6804
> eFax:             (306) 546-6002
> eMail:            lpamintuan AT regina DOT ca 
> >>> "McDonald, Paul" <Paul.McDonald AT DNR.STATE.OH DOT US> 30/May/2007 6:51 
> >>> am >>>
> I am setting up a new networker server on a Dell 2850 running RedHat ES
> 4 and Networker 7.2.2 using a Emulex LP9802-E HBA to an ADIC Scalar 10k with 
> Pathlight 5000 SNC.  When issuing a "inquire" to probe the SCSI bus it's
> extremely slow (8m3.693s) consistently.  RedHat sees all of the hardware
> ok - 
> library, changer, and 4 LTO1 drives.  This is an existing library being
> driven 
> by RedHat AS 2.1 just fine using a Qlogic Qla2200 HBA.  Topology is set
> to 
> "Private Loop".
> Any thoughts or help would be appreciated,
> t.i.a.

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