nv-l

Re: [nv-l] SAN Disk Utilization

2003-08-07 16:25:37
Subject: Re: [nv-l] SAN Disk Utilization
From: Jim Kellock <jkellock AT nc.rr DOT com>
To: nv-l AT lists.tivoli DOT com
Date: Thu, 07 Aug 2003 16:24:39 -0400
The new TSanM is plugged into a limited-license NetView 7.x.  The old
TSNM was a whole other animal that never really got beyond version
-1.0.  TSanM requires some editing of the java config files for server
name, but does what it's supposed to do with little fuss or bother. It's
worth a look.  IBM includes it pre-installed on the console of the new
Storage Volume Controller (SVC), the block-storage virtualization engine
that just GA'd.

CMazon AT commercebankfl DOT com wrote:
> 
> Thanks for the input Jim.  We had a bad experience with the old TSanM and
> have not tried the new version yet to see if it has improved.  We do have
> McData switches and have their MIBS but I was hoping to just monitor some
> specific servers hard disk space without requiring a third party.
> Identifying the LUN for that specific server and monitor it through the SAN
> may have to be the way that I have to go.  I contacted QLogic and they do
> not have any MIBs for their HBA's and was hoping that one of the creative
> people in this group had found a work around for it. I know the Compaq MIBS
> and system MIBS do not pick up on those fibre attached drives.
> 
> Thanks again.
> 
> Carlos Mazon
> 
> |---------+---------------------------->
> |         |           Jim Kellock      |
> |         |           <jkellock AT nc DOT rr.c|
> |         |           om>              |
> |         |                            |
> |         |           08/06/2003 03:21 |
> |         |           PM               |
> |---------+---------------------------->
>   
> >------------------------------------------------------------------------------------------------------------------------------|
>   |                                                                           
>                                                    |
>   |       To:       nv-l AT lists.tivoli DOT com                              
>                                                           |
>   |       cc:                                                                 
>                                                    |
>   |       Subject:  Re: [nv-l] SAN Disk Utilization                           
>                                                    |
>   
> >------------------------------------------------------------------------------------------------------------------------------|
> 
> Reading this back, it's probably more info than you want, and not quite
> what you asked for, but hope it's useful-
> There a many applications that can help with this-  Switch, NAS,
> gateway, and director vendors all have apps for their devices, and
> Tivoli San Manager (TSanM) is available [It rides on top of NetView],
> and there are other software vendors (Datacore, Veritas, etc) who do all
> or some things.  Cisco has a slick application for their new switches.
> The trick generally is that you need both in-band and out-of-band
> connectivity to get the full picture.  This means that your management
> server will need both fibre channel and ethernet connectivity to the SAN
> devices.  Most of the storage devices on the market do NOT have rich
> MIBS, almost none have R/W MIBS. All will send some sort of traps, and
> many are CIM compliant, so to get all you want from the latter, you may
> need some kind of intermediary application to translate CIM to SNMP.
> For example, IBM Director for IBM xSeries servers is useful.
> 
> Typically, the application will want an agent on the server.  You can
> either identify the LUN to watch (from the SAN perspective) or the SCSI
> partition (from the server side).  Depending on whether the server is
> clustered Active/Active and/or uses multiplipathing (more than one HBA),
> or multiple paths from/through the SAN switch(es) to the storage cluster
> (and whether it is Active/Active or Active/Passive), simply monitoring
> the server may not suffice.  The switch applications can also provide
> zoning information to help complete the picture.  TSanM is useful for
> this, especially if you have Brocade switches.  It uses the Brocade APIs
> to get zoning/switch info.
> 
> Hope this helps.
> 
> Jim Kellock.
> CMazon AT commercebankfl DOT com wrote:
> >
> > Hi all,
> >
> > Does anyone know a way of monitoring partitions on a SAN for a particular
> > system?  The regular system host mibs don't pick up on the fiber attached
> > disks and I have no way of monitoring the space or I/O usage.
> >
> > Netview 7.1.3 / Windows 2000
> >
> > Thanks.
> >
> > Carlos
> > Commercebank
> >
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> *NOTE*
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> assistance from Tivoli please call the IBM Tivoli Software Group
> help line at 1-800-TIVOLI8(848-6548)
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> *NOTE*
> This is not an Offical Tivoli Support forum. If you need immediate
> assistance from Tivoli please call the IBM Tivoli Software Group
> help line at 1-800-TIVOLI8(848-6548)

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