Hi,
defining separate zones for the disks and tapes is a general rule in
designing a SAN.
Your problem is not caused by the zone configuration but is a
compatitibilyt problem between W2000 Service Pack 3 and SecurePath.
We have the same problem and are waiting since Dec/2002 for a fix.
As you probably know Windows 2003 will natively support multi-pathing and
Microsoft has integrated some Windows 2003 code in SP3.
You have to contact HP Support for further details.
regards,
Patrick Sibilio
On Wed, 26 Mar 2003 15:30:42 +0100, =?iso-8859-1?q?Matts=20Nilsson?=
<matts_nilsson AT YAHOO DOT COM> wrote:
> Hi Juan,
>I would set up the Brocade switches a little different
>in such a way as to separate disks and tape into
>different zones:
>
>Zone1: backup server (2xHBA) + storage node1 (2xHBA) +
>storage node2 (2xHBA) + disks
>This assumes that you use selective storage
>presentation of the disks in your cabinet to restrict
>access to only the proper HBA's
>
>Zone2: backup server + storage node1 (1xHBA) + storage
>node2 (1xHBA) + tapes
>This assumes you can do selective storage presentation
>on your tape drives (in your MDR/NSR). If this isn't
>possible create one zone for each NetWorker server
>with the proper HBA and the proper tape drives.
>
>I'm not sure what HP has to say about running tape
>drives over SecurePath, maybe you should check with
>them.
>
>And before you go to Microsoft, you should know that
>they DO NOT support disk and tape on the same HBA!
>
>Hope this is more help than confusion! :)
>
>Regards,
>Matts
>
> --- Juan Fau <jfauv AT YAHOO DOT ES> skrev: > Hi all,
>>
>> I´m having a problem with Legato NetWorker in a SAN
>> environment. When I start a backup, users can´t
>> access
>> files. Error in Windows Event log is the following:
>>
>> {Lost Delayed-Write Data} The system was attempting
>> to
>> transfer file data from buffers to
>> \Device\HarddiskVolume3. The write operation failed,
>> and only some of the data may have been written to
>> the
>> file.
>>
>> This is the environment:
>> Backup server: version 6.1.3 Tru64 5.1A
>> Storage nodes: version 6.1.3 windows 2000 SP 3
>> Every server has 2 Compaq KGPSA HBA´s with
>> securepath.
>> The switch is brocade with the following zones
>> defined:
>> zone1: backup server+disks+tapes
>> zone2: storage node 1+disks+tapes
>> zone3: storage node 2+disks+tapes
>> .....
>>
>> So zone is defined to see disks from the two HBA´s
>> in
>> every server, but securepath shows only one disk to
>> Operating System.
>> But zone in the switch is defined to see tapes only
>> from one HBA, not from the two.
>>
>> Is this configuration correct? What happens with
>> securepath and tapes? Anyone can help me?
>>
>> Thanks in advanced.
>>
>>
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