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1、惠普UNIX 硬盘和LVM管理 介绍邓攀 pan_ 中国惠普有限公司 2004年8月什么是 Logical Volume Manager?disc MANAGEMENT subsystemNOT a filesystemapplicationdevice filedisc driverLVMHP-UX kernelLVM原理physical volumes 物理卷 对应单个硬盘或磁盘阵 列柜里的LUNVolume group 卷组Logical volumes 逻辑卷VG01VG01lvol1/dev/rdsk/c0t0d0/dev/rdsk/c0t1d0lvol3lvol2磁盘使用分类1 ：
2、内置或外置磁盘内置硬盘和单独的外置磁盘或无raid功能的磁盘柜：A3312 SC10磁盘使用分类2： SCSI磁盘阵列柜外置的SCSI磁盘阵列柜： AutoRaid使用iosan等命令只能看到控制器和 LUN（logic unit）。如果需要查看具体 的物理硬盘信息，可使用以下命令：#arraydsp i(显示autoraid 序列号）Arrays known to the ARMServer:arrays with S/N: 000000786B74#arraydsp a (显示autoraid相关部件全部 信息）磁盘使用分类3：光纤磁盘阵列柜1惠普外置的光纤磁盘阵列柜最主要有两种:FC60
3、： VA系列（VA7110，VA7410等）磁盘使用分类3：光纤磁盘阵列柜2使用ioscan等命令只能看到控制器和LUN（ logic unit）。如果需要查看具体的物理硬盘信息 ，可使用以下命令： FC60： #amdsp i(显示FC60序列号） #amdsp -a (显示FC60相关部件全部信息)VA系列 #armdsp i(显示FC60序列号） #armdsp -a (显示FC60相关部件全部信息)使用ioscan查看外设# ioscan f Class I H/W Path Driver S/W State H/W Type Description = root 0 root CLA
4、IMED BUS_NEXUS cell 0 0 cell CLAIMED BUS_NEXUS ioa 0 0/0 sba CLAIMED BUS_NEXUS SBA ba 0 0/0/0 lba CLAIMED BUS_NEXUS LBA lan 0 0/0/0/1/0 gelan CLAIMED INTERFACE 1000Base-T ext_bus 0 0/0/0/2/0 c720 CLAIMED INTERFACE SCSI Fast Wide disk 0 0/0/0/2/0.6.0 sdisk CLAIMED DEVICE HP Disk ctl 0 0/0/0/2/0.7.0 s
5、ctl CLAIMED DEVICE Initiator# ioscan # short listing of all devices # ioscan -f # full listing of all devices # ioscan -kf # full listing, using cached information # ioscan -fH 0/0/0/1/0 # full listing of device at 0/0/0/1/0 # ioscan -fC disk # full listing of “disk“ class devices上表中的I（红色）是Instance,
6、是按照硬件加入顺序顺序 生成的，一旦生成就不会自动改变使用ioscan查看相关设备文件# ioscan -funlist all devices and device files # ioscan -funC disklist all disk devices and device files # ioscan -funC tapelist all tape drives and device files # ioscan funH 0/0/1/0/0.0.0list all device files for the device at 0/0/1/0/0.0.0 Class Itape 1D
7、escriptionHP C1553AH/W Path0/0/1/0/0.0.0 DriverstapeS/W StateCLAIMED /dev/rmt/1m /dev/rmt/1mb /dev/rmt/1mn /dev/rmt/1mnbH/W TypeDEVICEUse the ioscan command to determine which device files are associated with which devices on your system./dev/rmt/c0tld0BESTb /dev/rmt/c0tld0BESTn /dev/rmt/c0tld0BESTn
8、b /dev/rmt/c0tld0BEST=硬件路径10/0/1/0/0.6.0Cell or Bus Number (partitionable servers only) SBA( system bus adapters) Number LBA ( local bus adapters) Number PCI Address Function Number SCSI Target Address LUN NumberSBALBALBAPCI Bus Device AdapterCore I/OLAN SCSI SerialPCI BusDevice AdapterCell Board OR
9、 CPU/MemoryCell/SBA/LBA/Device/Function.TargetCell = The global cell number (0-3 on HP rp8400) or Bus Number(Rp7400)SBA = An item on the bus: either a system bus adapter (SBA, 0), a processor (10-13), or memory (5). Each I/O chassis has a single system bus adapter.LBA = A local bus adapter, one per
10、PCI slot. The LBA number is not necessarily the same as the slot number.Device = Is the cards address on the slots PCI bus.Function = The function for the I/O card. Typically this is 0 (zero) for single-function cards.Target = The target of the I/O device, or SCSI ID.The ioscan and rad commands list
11、 information about currently active hardware in the local partition only.硬件路径2硬件路径3cell/SBA/LBA/device/function.targetCell 0Sys. BackplanePCI BackplaneCore IOSBA LBAserial mux (0)SCSI (dev =3)LAN (dev =1)SCSI (dev=2) controller (0.7)controller (1.7)(0)6DVD 2OV84-0176controller (0.7)(0)controller (1.
12、7)ExternalSCSI内置硬盘或外置的SCSI硬盘，DVDSCSI cardTerminator# ioscan H/W Path Class Description = 0/0/0/2 ext_bus FW-SCSI Interface 0/0/0/2/0.0.0 tape HP DDS Tape 0/0/0/2/0.2.0 disk HP DVD ROM 0/0/0/2/0.5.0 disk HP Disk 0/0/0/2/0.6.0 disk HP Disk 0/0/0/2/0.7.0 sctl Initiator0/0/0/2/0.5.0Logical Unit NumberSC
13、SI Target AddressInterface Card Address652070/0/0/2/0.5.0SCSI cardLUN0LUN1# ioscan -u H/W Path Class Description = 0/0/0/2/0 ext_bus FW-SCSI Interface 0/0/0/2/0.5.0 disk HP Disk 0/0/0/2/0.5.1 disk HP Disk 0/0/0/2/0.5.2 disk HP Disk 0/0/0/2/0.7.0 sctl InitiatorLogical Unit NumberSCSI Target AddressIn
14、terface Card AddressLUN2t=5外置SCSI磁盘阵列柜SCSI CardPV Link# ioscan -u H/W Path Class Description = 0/0/0/2/0 ext_bus FW-SCSI Interface 0/0/0/2/0.5.0 disk HP Disk 0/0/0/2/0.5.1 disk HP Disk 0/0/0/2/0.5.2 disk HP Disk 0/0/0/3/0 ext_bus FW-SCSI Interface 0/0/0/3/0.6.0 disk HP Disk 0/0/0/3/0.6.1 disk HP Disk 0/0/0/3/0.6.2 disk HP DiskLUN0LUN1LUN2t=6SCSI Cardt=5N4000双机连单个AutoRaid连接图N4000双机连单个VA7400连接图FC
