PowerPath for AIX

A slow blinking amber light showing internally from the switch model DS6620B-V2, not from the switch panel, is confirmed by Brocade to be the LED from the eUSB card (on the motherboard).

This article explains what asb:iopf stands for in powermt display dev=all?

Explore the Dell End of Service Life (EOSL) and End of Life (EOL) list for converged infrastructure, storage, and storage networking products. Access End-of-Life documents for hardware, software, and firmware release and service dates

When you downgrade PowerPath from 6.x to 5.x, you need to put aside the PowerPath 5.x saved configuration files in advance.

powermt commands fail with "ERROR: Device Lam claim failed"

Trying to boot from San using Powerpath and a Dell EMC Unity array in and AIX Enviroment

This article provides the fix when the Windows host cannot see LUNs on Unity Array after installation of PowerPath 6.1.

Write are failing from time to time, leading to an LVM error (LVM_IO_FAIL - EWRPROTECT) for no obvious reason, as if the device was "write protected." The error was reported as: "AIX shows disk operation error on array with PowerPath. No error showed in the array…."

Event 4 appears in Viewer, reporting Corporation () PowerPath MPAPI error after upgrade to 5.7 SP2. MPAPI (Powermt, host-agent, Powermig) causes error. No impact on PowerPath cluster.

When PowerPath for Windows version 6.1 is installed on Windows Server 2016, validation alerts indicate many drivers have dates earlier than the OS, because the PowerPath release predates the OS.

This article notes how PowerPath on Red Hat Enterprise Linux 2.1 or 3 can cause SAN access conflicts and block storage software. The cause is the PowerPath driver and services.

Following a new installation of Oracle ASM 11 g (or above) or an upgrade of Oracle ASM, no disks are showing up as available ASM disks.

This article explains how to assign an Initial Company Administrator.

The purpose of this KB article is to provide common information about ESXi issues and the steps to troubleshoot them.

AIX LPM fails when trying to move and LPAR from Frame A to Frame B.

In an NPIV configuration with two virtual HBA, when one virtual HBA goes down, and although there is one path left for the I/Os, LVM_IO_FAIL are logged in errpr with ERROR CODE AS DEFINED IN sys/errno.h set to 22 (EINVAL). Because of these LVM errors, the application using the volume crashes. The issue could also occur in a non NPIV environment.

PPME migration seems to have hung Disk Management and PowerPath 6.2 on the B node of an Active/Active cluster. Node A is the one that has 10 handles setup (no sync yet) but node B is showing high I/O across all disks for some reason.

When the host is rebooted, NMP manages some or all VPLEX LUNs (instead of PowerPath/VE).

What is the maximum number of LUNs (Logical Unit Number) that can be presented? What is the maximum number of Paths per LUN? What is the Maximum Partition size on Microsoft Windows?

This article explains how to promote Company Administrators.

Server hung while PPME migration was in progress at which TargetLUfault errors are received in powermig info.

PowerPath 6.0 (or earlier) is installed and configuring VMAX devices fine. However, after upgrading to PowerPath 6.1, configuring devices is failing with no error message. The devices are just not configured for PowerPath and no pseudodevice is created.

Creating host using mksysb and native drivers result in reserve conflicts after Dell EMC ODMs installed (boot from SAN)

PowerPath IBM AIX ODM reserve lock attributes not converting to reserve_policy.

PowerPath 7.0 introduces a new feature, "flaky path reporting". this article is an attempt to explain how this feature really works and what can be expected.

Microsoft Failover cluster resources go offline during a volume expansion in PowerPath for Windows 6.1.

With PowerPath 6.4 for AIX, the emc_reserve_v3.sh script fails with "PowerPath version Version not >= 5.5".

If the reboot of the SC is taking more than 15 seconds, PowerPath will report an "all_paths_dead" situation, resulting in LVM errors and/or AIX server crash

Following a Powerpath upgrade, VTD with VMAX3 devices backing devices remain defined.

to migrate data from one kind of array to another, there are different tools available either involving the host or completed on the SAN directly. This article is presenting splitvg as an alternate method to migrate data while keeping a copy on the source array.