How to Add New Storage Disk Devices to Solaris[TM] Without Performing a Reconfiguration Boot

Asset ID:	1-71-1011735.1
Update Date:	2017-06-04
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Solution Type Technical Instruction Sure

Solution 1011735.1 : How to Add New Storage Disk Devices to Solaris[TM] Without Performing a Reconfiguration Boot

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 Solaris Operating System

Related Categories


PLA-Support>Sun Systems>DISK>Arrays>SN-DK: Disks and other JBODs

PreviouslyPublishedAs
216092

Applies to:

Solaris SPARC Operating System - Version 8.0 and later
Sun Solaris Volume Manager (SVM) - Version 11.9.0 to 11.11 [Release 11.0]
Sun Storage RAID Manager (RM6) Software - Version 6.1.1 and later
Sun Storage 9990 System - Version Not Applicable and later
Sun Storage A3000 Array - Version Not Applicable and later
All Platforms

Goal

Storage requirements for servers (and applications) is constantly changing. It becomes very important to be able to allocate or deallocate space without interruption to service. This document provides some approaches to discovering new storage (within the solaris format utility), without performing a reconfiguration reboot. This applies to internal and external disk drives as well as virtual disks.

Solution

The technique used will depend upon the type of storage device being added. This doc may be used as a quick reference guide, however, you should look at the detailed procedures which are available for the specific server, (or storage) that is being allocated.

For any scsi attached jbod device, you can recreate the device trees "on the fly" by reloading the associated driver and re-creating the device trees. In this example, we re-create the device information for a "sd" managed SCSI disk drive in a JBOD array.

# devfsadm -i sd
# devfsadm -Cv

Some of the Internal disks in servers use the cfgadm utility to facilitate a disk replacment. Here is an example of replacing an internal failed disk.

# cfgadm -c unconfigure c1::dsk/c1t3d0 (used prior during removal)
# cfgadm -c configure c1::dsk/c1t3d0

Some SAS connected disk drives are hot swapable via the mpt driver.

# devfsadm -i mpt
# devfsadm -Cv

Even iscsi uses the same technique.

# devfsadm -i iscsi
# devfsadm -Cv

Fiber Channel fabric attached devices use the cfgadm utility. In this example, lun 1 of fabric device 203400a0b82fbc5d is added to the server.

# cfgadm -al -o show_FCP_dev
c2::203400a0b82fbc5d,1 disk connected unconfigured unknown
# cfgadm -c configure c2::203400a0b82fbc5d,1

Direct attached fiber channel storage uses the luxadm utility. Some hardware specific commands may include.

# luxadm insert_device xxxxx
# luxadm -e force_lip /xxxxxx
# devfsadm -i ssd
# devfsadm -Cv

The common theme to getting all storage dynamically allocated to the server is with the devfsadm command. If devfsadm does not create a device for you (in the format utility), then its best to consult the hardware configuration and service manual for your particular server.

Do you still have questions? You can use My Oracle Support Communities. Communities put you in touch with industry professionals like yourself. They are monitored by Oracle support engineers, so you can expect reliable and correct answers. Ask questions and see what others are asking about in the Disk Storage 2000, 3000, 6000 RAID Arrays & JBODs Community.

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