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New SAN setup - Configuration issues

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David Wiles
New SAN setup - Configuration issues
on Jul 15, 2013 at 8:05:28 am

Hey guys,

I've got a problem with the configuration of my SAN causing it struggle connecting over fibre.

Gear -
Storage : Infortrend ESDS S16F-R2840-4 with 12 x 3tb Seagate constellations
Primary MDC : xserve - ATTO 8b fibre
Clients : 2 x Mac Pro - ATTO 8gb fibre
Software : MetaSAN
Interconnects: None - All gear going straight into Infortrend.

Issue : Only the primary MDC can connect to the SAN - The clients see the enclosure but no 'direct access device' which means MetaSAN defaults to metaLAN and I only get gigabit ethernet speeds. Server manages 650mb/second.

I assume I have to configure the Infortrend to act as a switch so multiple devices can mount the volume, but I'm not sure where i've gone wrong.

A snapshot of my Config:
Host connection parameters :

Maximum Queued I/O Count : 1024
Luns per Host SCSI ID: 8
Max number of Concurrent Host-LUN connection : 4
Number of Tags reserved for each Host-LUN connection : 4
Fibre connection Option : Loop only
Cylinder/Head/Sector : Variable

Peripheral Device Type Parameters

Peripheral device type: Enclosure Services Device (Type=0xD)
Peripheral Device Qualifier : Connected
Devices Supports Removable Media : Disable
LUN Applicability : First Undefined LUN

I've got experience with Apples xsan fibre (Couple of previous installs, including another concurrently) and my immediate temptation is to put in a switch but I'm told with the Infortrend that shouldn't be necessary.

Any help appreciated!

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