Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition | |||
|
|
Solution Type Technical Instruction Sure Solution 1001991.1 : Creating and Deleting HW Raid Mirrors on Sun Fire[TM] V440
PreviouslyPublishedAs 202777 Description This document provides the procedure to create or delete a hardware raid mirror in a Sun Fire[TM] V440. Support engineers should check the procedures in this document when assisting customers who may be asking for guidance in this process. Steps to Follow How to Create a Hardware Disk Mirror Note:
To create a raid volume, the disk being mirrored must have a t# lower than the t# of the mirror disk. This requirement is due to the interaction between the way Solaris[TM] handles the boot disk and the built-in feature of the hardware raid controller that cannot be disabled. Caution Creating or restoring a disk mirror destroys all data previously stored on the disk drive. Perform this procedure to create an internal hardware disk mirror configuration on your system. Verify which disk drive corresponds with which logical device name and physical device name. Example: Type # raidctl No RAID volumes found. The example above indicates that no RAID volume exists. In another case: # raidctl RAID RAID RAID Disk Volume Status Disk Status ---------------------------------------------------------------------------------- c1t1d0 DEGRADED c1t1d0 OK c1t2d0 DEGRADED The example above indicates a hardware mirror has degraded at disk c1t2d0. ------------------------------------------------------------------------------------------------------------- Note - The logical device names might appear differently on your system, depending on the number and type of add-on disk controllers installed. What to Do 1. Type the following command: # raidctl -c master slave For example: # raidctl -c c1t0d0 c1t1d0 When you create a RAID mirror, the slave drive (in this case, c1t1d0) disappears from the Solaris device tree. 2. To check the status of a RAID mirror, type the following command: # raidctl RAID RAID RAID Disk Volume Status Disk Status ----------------------------------------------------------------------- c1t0d0 RESYNCING c1t0d0 OK c1t1d0 OK The example above indicates that the RAID mirror is still resynchronizing with the backup drive. The example below shows that the RAID mirror is completely restored and online. # raidctl RAID RAID RAID Disk Volume Status Disk Status c1t0d0 OK c1t0d0 OK c1t1d0 OK How to Delete a Hardware Disk Mirror Perform this procedure to remove a hardware disk mirror configuration from your system. Verify which disk drive corresponds with which logical device name and physical device name. Disk Slot Numbers, Logical Device Names, and Physical Device Names Disk Slot Number Logical Device Name* Physical Device Name Slot 0 c1t0d0 /devices/pci@1f,700000/scsi@2/sd@0,0 Slot 1 c1t1d0 /devices/pci@1f,700000/scsi@2/sd@1,0 Slot 2 c1t2d0 /devices/pci@1f,700000/scsi@2/sd@2,0 Slot 3 c1t3d0 / /devices/pci@1f,700000/scsi@2/sd@3,0 ______________________________________________________________________ *The logical device names might appear differently on your system, depending on the number and type of add-on disk controllers installed.
# raidctl RAID RAID RAID Disk Volume Status Disk Status c1t0d0 OK c1t0d0 OK c1t1d0 OK In this example, the mirrored volume is c1t0d0. Note The logical device names might appear differently on your system, depending on the number and type of add-on disk controllers installed.
For example: # raidctl -d c1t0d0 RAID Volume c1t0d0 deleted
# raidctl For example: # raidctl No RAID volumes found Product Sun Fire V440 [TM] Server normalized, V440[TM], raid volume, create, delete, hwraid, mirror, raidctl Previously Published As 78048 Change History Date: 2007-12-03 User Name: 29589 Action: Approved Comment: Publish SunFire norm workshop Version: 10 Date: 2007-11-26 User Name: 106061 Action: Approved Comment: Hi Wendy, The only changes in this infodoc 78048 are in the keywords and audience (converted to Contract). No changes to the content are made. Submitting the doc for re-publishing on sunsolve. Thanks, Dencho Version: 0 Date: 2007-11-26 Product_uuid d9146f34-fb56-4421-8498-f9ecb90a1349 Attachments This solution has no attachment |
||||||||||||
|