Hello everybody...
I have a Server conected to a Disk Array through 2 canals of FiberChannel... I've installed RedHat Advance Server 3 and of course i see two device files that refer the same disk: for example: /dev/sda and /dev/sdb are refered to the same Lun... This is the same case for a new... (2 Replies)
Hi..
when i delete a Lun from a Array on a SAN, and again when i create a Lun it shows that the newly created Lun has the ID of the Old deleted Lun which is leading to data corruption. All this is handled by the Multipath software. can anybody help. (0 Replies)
Hi All,
When I execute "multipath -ll" command that time display only 3 path (orafra2,oradata2 and oradata1), not display other 2 path (orafra1 and data1). I have configure 5 path in "/etc/multipath.conf" file. What is the reason behind it. Please help me.
Please find below some output for... (4 Replies)
Hello,
i have a problem with the multipath tools configuration.
i can't remove the local disk paths.
the multipath.conf archives configuration is:
---------------------------------------------------------
$ cat /etc/multipath.conf
blacklist{
devnode cciss
devnode fd
... (0 Replies)
Hi,
I am running RHEL6 on a physical node (HP Proliant).
If it normal for the root device to get listed in the "multipath -ll" output? (Listed below as dm-4, HP LOGICAL VOLUME).
i.e.
asm-data (360a98000424a414b453f443548503644) dm-3 NETAPP,LUN
size=768G features='4 queue_if_no_path... (0 Replies)
Need attach Oracle Linux 7.1 to IBM Storage DS5300
in AIX use sddpcm package for storage driver, but in oracle linux i can not find similar driver in IBM site. Someone confronted with a like case ? (1 Reply)
Hi,
I have a RAC installation on 2 solaris 11 nodes. (With ASM)
Disks' mpath are managed by EMC Powerpath on both nodes.
I want to migrate mpath software to Solaris multipath without downtime.
My plan is first migrate node1 to solaris mpath, then after some days migrate node2 to sol.mpath.
My... (5 Replies)
Hi,
In a RHEL 5 box, I have just added new multipath configurations in /etc/multipath.conf :
blacklist_exceptions {
wwid "360002ac0000000000000008e0001ee00"
wwid "360002ac0000000000000008f0001ee00"
wwid "360002ac000000000000000900001ee00"
wwid... (0 Replies)
Discussion started by: anaigini45
0 Replies
LEARN ABOUT OPENSOLARIS
mp_setoverridepath
MP_SetOverridePath(3MPAPI) Common Multipath Management Library Functions MP_SetOverridePath(3MPAPI)NAME
MP_SetOverridePath - manually override a logical unit path
SYNOPSIS
cc [ flag... ] file... -lMPAPI [ library... ]
#include <mpapi.h>
MP_STATUS MP_SetOverridePath(MP_OID logicalUnitOid,
MP_OID pathOid);
PARAMETERS
logicalUnitOid The object ID of the multipath logical unit.
pathOid The object ID of the path logical unit.
DESCRIPTION
The MP_SetOverridePath() function is used to manually override the path for a logical unit. The path is exclusively used to access the log-
ical unit until cleared. Use MP_CancelOverride to clear the override.
This API allows the administrator to disable the dri ver's load balance algorithm and force all I/O operations to a specific path. The
existing path weight configuration is maintained. If the administrator undoes the override (by calling MP_CancelOverridePath), the driver
starts load balancing based on the weights of available paths (and target port group access state for asymmetric devices).
If the multipath logical unit is part of a target with asymmetrical access, executing this command could cause failover.
RETURN VALUES
MP_STATUS_INVALID_OBJECT_TYPE
The logicalUnitOid or pathOid does not specify any valid object type. This is most likely to happen if an uninitialized object ID is
passed to the API.
MP_STATUS_INVALID_PARAMETER
The logicalUnitOid has a type subfield other than MP_OBJECT_TYPE_MULTIPATH_LU, or if pathOid has an object type other than
MP_OBJECT_TYPE_PATH_LU.
MP_STATUS_OBJECT_NOT_FOUND
The logicalUnitOid, pathOid owner ID, or object sequence number is invalid.
MP_STATUS_SUCCESS
The operation is successful.
MP_STATUS_UNSUPPORTED
The implementation does not support the API.
MP_STATUS_PATH_NONOPERATIONAL
The driver cannot communicate through selected path
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard: ANSI INCITS 412 |
| |Multipath Management API |
+-----------------------------+-----------------------------+
|MT-Level |Safe |
+-----------------------------+-----------------------------+
SEE ALSO libMPAPI(3LIB), attributes(5)
Multipath Management API Version 1.0
SunOS 5.11 15 Feb 2006 MP_SetOverridePath(3MPAPI)