To View the Dynamic Multi-Pathing (DMP) Properties

1.Type:

#vxdisk list Disk_1

Device:

Disk_1

 

 

devicetag:

Disk_1

 

 

type:

sliced

 

 

hostid:

diag.xxxxx.xxx.COM

 

 

disk:

name=t3dg02 id=1010283311.1163.diag.xxxxx.xxx.com

group:

name=t3dg id=1010283312.1166.diag.xxxxx.xxx.com

flags:

online ready private autoconfig nohotuse autoimport imported

pubpaths:

block=/dev/vx/dmp/Disk_1s4 char=/dev/vx/rdmp/Disk_1s4

privpaths:

block=/dev/vx/dmp/Disk_1s3 char=/dev/vx/rdmp/Disk_1s3

version:

2.2

 

 

iosize:

min=512 (bytes) max=2048 (blocks)

public:

slice=4 offset=0 len=209698816

 

private:

slice=3 offset=1 len=4095

 

update:

time=1010434311 seqno=0.6

 

headers:

0 248

 

 

configs:

count=1 len=3004

 

 

logs:

count=1 len=455

 

 

Defined regions:

 

 

config

priv 000017-000247[000231]: copy=01 offset=000000 enabled

config

priv 000249-003021[002773]: copy=01 offset=000231 enabled

log

priv 003022-003476[000455]: copy=01 offset=000000 enabled

Multipathing information:

 

 

numpaths:

2

 

 

c20t2B000060220041F4d0s2

state=enabled

c23t2B000060220041F9d0s2

state=enabled

# vxdmpadm

listctlr all

 

 

CTLR-NAME

ENCLR-TYPE

STATE

ENCLR-NAME

=====================================================

c0

OTHER_DISKS

ENABLED

OTHER_DISKS

c2

SENA

ENABLED

SENA0

c3

SENA

ENABLED

SENA0

c20

Disk

ENABLED

Disk

c23

Disk

ENABLED

Disk

The vxdisk output includes two physical paths to the LUN:

c20t2B000060220041F4d0s2

c23t2B000060220041F9d0s2

Both of these paths are currently enabled with DMP.

20 Sun StorEdge 3900 and 6900 2.0 Series Troubleshooting Guide • March 2003

Sun Proprietary/Confidential: Internal Use Only

Page 40
Image 40
Sun Microsystems 3900, 6900 manual To View the Dynamic Multi-Pathing DMP Properties, # vxdisk list Disk1

6900, 3900 specifications

Sun Microsystems was a pioneering force in the computer industry, especially known for its innovative workstations and servers during the late 20th century. Among its notable product lines were the Sun 6900 and 3900 series, which played a critical role in enterprise computing, offering substantial advancements in performance and reliability.

The Sun 6900, also known as the Starfire, was an advanced multiprocessor server introduced in the mid-1990s. One of its standout features was its ability to support up to 64 processors, making it one of the most powerful systems of its time. This scalability was made possible by Sun’s innovative design, which utilized a high-bandwidth crossbar switch architecture that facilitated fast communication between processors, ensuring minimal latency and optimal performance for demanding applications.

The 6900 was built on the UltraSPARC architecture, which provided support for 64-bit processing. This was a significant advancement over 32-bit systems, allowing for improved memory addressing and overall application performance. The server supported large amounts of RAM, up to 512 GB, which was critical for memory-intensive tasks such as database management and scientific computation.

On the other hand, the Sun 3900 series catered to a different segment of the market, targeting businesses requiring robust, yet cost-effective server solutions. The 3900 was designed primarily as a mid-range server and offered impressive reliability features such as hot-swappable components and redundant power supplies. It came equipped with the SPARC architecture, ensuring compatibility with a wide array of software applications.

Both the 6900 and 3900 series made extensive use of Sun’s Solaris operating system, which was known for its stability and security. This operating system allowed for seamless multitasking and efficient resource management, a necessity for enterprise environments where uptime was critical.

In terms of connectivity, both systems supported advanced networking capabilities, including Fast Ethernet and Gigabit Ethernet options, facilitating improved data throughput. Their modular designs allowed for easy upgrades, ensuring that organizations could adapt to changing technological demands without major overhauls.

Overall, the Sun 6900 and 3900 series represented a significant leap forward in server technology, combining powerful processing capabilities, advanced scalability, and reliable performance. These systems played a crucial role in establishing Sun Microsystems as a leader in the enterprise computing arena during their era.