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sasmgr split the root mirror
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10-05-2010 03:14 AM
10-05-2010 03:14 AM
sasmgr split the root mirror
sasmgr split the root mirror
Hi,
I have this server, I would like to know how to break the root disk mirror. Please see the server information below.
Server1:/root#model
ia64 hp server rx2660
Server1:/root#uname -a
HP-UX Server1 B.11.23 U ia64 unlimited-user license
Installed these software
# SAS-COMMON B.11.23.0903 Serial SCSI Common product
SAS-COMMON.SAS-COMMON-RUN B.11.23.0903 Serial SCSI Common User Space files
# SAS-SASD B.11.23.1003 PCI-X/PCI-E Serial SCSI (SASD) Driver
SAS-SASD.SAS-SASD-KRN B.11.23.1003 Serial SCSI Driver (SASD) Kernel Module
SAS-SASD.SAS-SASD-RUN B.11.23.1003 Serial SCSI Driver (SASD) User Space Files
Server1:/root#sasmgr get_info -D /dev/sasd0 -q raid
Tue Oct 5 12:14:23 2010
---------- LOGICAL DRIVE 1 ----------
Raid Level : RAID 1
Volume sas address : 0xb01035519e71d09
Device Special File : /dev/rdsk/c0t0d0
Raid State : OPTIMAL
Raid Status Flag : ENABLED
Raid Size : 139898
Rebuild Rate : 0.00 %
Rebuild Progress : 100.00 %
Participating Physical Drive(s) :
SAS Address Enc Bay Size(MB) Type State
0x500000e01bbc24a2 1 8 140014 SECONDARY ONLINE
0x500000e01bbea992 1 7 140014 PRIMARY ONLINE
I have this server, I would like to know how to break the root disk mirror. Please see the server information below.
Server1:/root#model
ia64 hp server rx2660
Server1:/root#uname -a
HP-UX Server1 B.11.23 U ia64 unlimited-user license
Installed these software
# SAS-COMMON B.11.23.0903 Serial SCSI Common product
SAS-COMMON.SAS-COMMON-RUN B.11.23.0903 Serial SCSI Common User Space files
# SAS-SASD B.11.23.1003 PCI-X/PCI-E Serial SCSI (SASD) Driver
SAS-SASD.SAS-SASD-KRN B.11.23.1003 Serial SCSI Driver (SASD) Kernel Module
SAS-SASD.SAS-SASD-RUN B.11.23.1003 Serial SCSI Driver (SASD) User Space Files
Server1:/root#sasmgr get_info -D /dev/sasd0 -q raid
Tue Oct 5 12:14:23 2010
---------- LOGICAL DRIVE 1 ----------
Raid Level : RAID 1
Volume sas address : 0xb01035519e71d09
Device Special File : /dev/rdsk/c0t0d0
Raid State : OPTIMAL
Raid Status Flag : ENABLED
Raid Size : 139898
Rebuild Rate : 0.00 %
Rebuild Progress : 100.00 %
Participating Physical Drive(s) :
SAS Address Enc Bay Size(MB) Type State
0x500000e01bbc24a2 1 8 140014 SECONDARY ONLINE
0x500000e01bbea992 1 7 140014 PRIMARY ONLINE
1 REPLY
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10-05-2010 08:38 AM
10-05-2010 08:38 AM
Re: sasmgr split the root mirror
Re: sasmgr split the root mirror
This is how we did it on an rx6600, the procedure should be the same:
sasmgr get_info -D /dev/sasd1 -q phy=all (just to verify where the disks were located)
sasmgr get_info -D /dev/sasd1 -q target=all
Target SAS Address : 0x73c108c56c36fac (this was the RAID disk)
Target Health : ONLINE
IPort SAS Address : None
Previous IPort SAS Address : None
Target Type : RAID Device
Target Topology : DIRECT
Protocol Capability of Target : SSP
Target Slot : 0xffff
Target Enclosure ID : 0xe0000001ce407180
Target Enclosure Type : UNKNOWN
Target SAS Address : 0x5000c500128ac159
Target Health : ONLINE
IPort SAS Address : 0x500605b0009deab6
Previous IPort SAS Address : 0x0
Target Type : SCSI Device
Target Topology : DIRECT
Protocol Capability of Target : SSP
Target Slot : 0x6
Target Enclosure ID : 0x1
Target Enclosure Type : Direct Attached SGPIO
*********************************************************************
***** HBA Specific information *****
*********************************************************************
Information for target (0x73c108c56c36fac)
Target State : READY
Information for target (0x5000c500128ac159)
Target State : READY
root@lightning:/> sasmgr get_info -D /dev/sasd1 -q lun=all
LUN dsf Hardware Path SAS Address
------------------------------------------------------------------
/dev/rdsk/c0t0d0 0/4/1/0.0.0.0.0 0x5000c500128ac159
/dev/rdsk/c0t1d0 0/4/1/0.0.0.1.0 0x73c108c56c36fac
*********************************************************************
sasmgr delete -D /dev/sasd1 -q raid -q raid_vol=all
WARNING: This is a DESTRUCTIVE operation.
This might result in failure of current I/O requests.
Do you want to continue ?(y/n) [n]...
RAID Volume 7 deleted successfully.
after system reboot re-run the sasmgr info commands. Also verify with ioscan -funC disk
sasmgr get_info -D /dev/sasd1 -q phy=all (just to verify where the disks were located)
sasmgr get_info -D /dev/sasd1 -q target=all
Target SAS Address : 0x73c108c56c36fac (this was the RAID disk)
Target Health : ONLINE
IPort SAS Address : None
Previous IPort SAS Address : None
Target Type : RAID Device
Target Topology : DIRECT
Protocol Capability of Target : SSP
Target Slot : 0xffff
Target Enclosure ID : 0xe0000001ce407180
Target Enclosure Type : UNKNOWN
Target SAS Address : 0x5000c500128ac159
Target Health : ONLINE
IPort SAS Address : 0x500605b0009deab6
Previous IPort SAS Address : 0x0
Target Type : SCSI Device
Target Topology : DIRECT
Protocol Capability of Target : SSP
Target Slot : 0x6
Target Enclosure ID : 0x1
Target Enclosure Type : Direct Attached SGPIO
*********************************************************************
***** HBA Specific information *****
*********************************************************************
Information for target (0x73c108c56c36fac)
Target State : READY
Information for target (0x5000c500128ac159)
Target State : READY
root@lightning:/> sasmgr get_info -D /dev/sasd1 -q lun=all
LUN dsf Hardware Path SAS Address
------------------------------------------------------------------
/dev/rdsk/c0t0d0 0/4/1/0.0.0.0.0 0x5000c500128ac159
/dev/rdsk/c0t1d0 0/4/1/0.0.0.1.0 0x73c108c56c36fac
*********************************************************************
sasmgr delete -D /dev/sasd1 -q raid -q raid_vol=all
WARNING: This is a DESTRUCTIVE operation.
This might result in failure of current I/O requests.
Do you want to continue ?(y/n) [n]...
RAID Volume 7 deleted successfully.
after system reboot re-run the sasmgr info commands. Also verify with ioscan -funC disk
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
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