DS logical drive representation in Windows Server But it seems you should enable AVT in this case. This configuration provides four paths to hdisks. Log in to reply. Open Source Consulting Domain Registration. Fill in your details below or click an icon to log in:
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Firmware on the DS I have the same question Show 0 Likes 0.
Email required Address never made public. I hope that makes sense. Copy directions and default roles 7.
The policy setting there is “Failover only”. The other zone contains a different HBA port and controller port from controller B.
As per the doc you had sent earlier, the MPIO tab in disk properties of Multipath disks, there is a way to set a preferred path and do load balancing and other stuff which is missing in my case as i dont have MPIO tab obm all.
Back-end storage performance considerations This is in accordance with the current T10 standards for the persistent reservations command set.
IBM Subsystem Device Driver Device Specific Module (SDDDSM) – United States
That affirms just what you said. The host and DS are directly connected, without any intervening switch. Open Source Consulting Domain Registration. It highlights configuration guidelines and preferred practices for the storage area network SAN topology, clustered system, back-end storage, storage pools and managed disks, volumes, remote copy services, and hosts.
The other four paths are used if the preferred controller is inoperable. Are you new to LinuxQuestions. Notify me of new comments via email.
Finally, this book highlights several scenarios that demonstrate the preferred practices and performance guidelines. To find out more, including how to control cookies, see here: We have a similar multipath environment, and we see 4 paths as well. You can not post a blank message. I look IBM web and info was not helpful.
Not that it matters, with only a single parent. Post was not sent – check your email addresses!
Fibre Channel (SAN)
Personally speaking I am not a fan of IBM gear. Okay, after a long side-trip down the path of “AIX pvid breaks Oracle ASM in ways that can delete data, and thank goodness this is a test system!
VC showed me two paths:. Both HBA ports are connected to the switch and both storage processors are connected to the switch, so each HBA port has 2 paths for a total of 4. Do i need any additional software to be installed?