[求助] 如何处理 NO_HW 的问题 [复制链接]

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发表于 2014-08-15 08:45 |显示全部楼层

在一台rx3600做巡检时发现
rx3600-4#[/]ioscan -fnCdisk
Class    I  H/W Path    Driver S/W State H/W Type    Description
=====================================================================
disk    16  0/3/1/0.2.41.0.0.0.0 sdisk CLAIMED    DEVICE    DGC    CX4-480WDR5
                     /dev/dsk/c8t0d0 /dev/rdsk/c8t0d0
disk    17  0/3/1/0.2.41.0.0.0.1 sdisk CLAIMED    DEVICE    DGC    CX4-480WDR5
                     /dev/dsk/c8t0d1 /dev/rdsk/c8t0d1
disk    10  0/3/1/0.2.41.0.0.0.2 sdisk CLAIMED    DEVICE    DGC    CX4-480WDR5
                     /dev/dsk/c8t0d2 /dev/rdsk/c8t0d2
disk    23  0/3/1/0.2.41.0.0.0.3 sdisk CLAIMED    DEVICE    DGC    CX4-480WDR5
                     /dev/dsk/c8t0d3 /dev/rdsk/c8t0d3
disk    1  0/4/1/0.0.0.2.0       sdisk CLAIMED    DEVICE    HP    IR Volume
                     /dev/dsk/c4t2d0    /dev/dsk/c4t2d0s2 /dev/rdsk/c4t2d0 /dev/rdsk/c4t2d0s2
                     /dev/dsk/c4t2d0s1 /dev/dsk/c4t2d0s3 /dev/rdsk/c4t2d0s1  /dev/rdsk/c4t2d0s3
disk    8  0/4/1/0.0.0.3.0       sdisk CLAIMED    DEVICE    HP    IR Volume
                     /dev/dsk/c4t3d0 /dev/rdsk/c4t3d0
disk    20  0/7/1/0.1.41.0.0.0.0 sdisk CLAIMED    DEVICE    DGC    CX4-480WDR5
                     /dev/dsk/c9t0d0 /dev/rdsk/c9t0d0
disk    21  0/7/1/0.1.41.0.0.0.1 sdisk CLAIMED    DEVICE    DGC    CX4-480WDR5
                     /dev/dsk/c9t0d1 /dev/rdsk/c9t0d1
disk    22  0/7/1/0.1.41.0.0.0.2 sdisk CLAIMED    DEVICE    DGC    CX4-480WDR5
                     /dev/dsk/c9t0d2 /dev/rdsk/c9t0d2
disk    25  0/7/1/0.1.41.0.0.0.3 sdisk CLAIMED    DEVICE    DGC    CX4-480WDR5
                     /dev/dsk/c9t0d3 /dev/rdsk/c9t0d3
disk    12  0/7/1/0.1.41.255.0.0.0  sdisk CLAIMED    DEVICE    DGC    CX4-480
                     /dev/dsk/c6t0d0 /dev/rdsk/c6t0d0
disk    14  0/7/1/0.1.41.255.0.0.1  sdisk NO_HW    DEVICE    DGC    RAID 5
                     /dev/dsk/c6t0d1 /dev/rdsk/c6t0d1
disk    19  0/7/1/0.1.41.255.0.0.2  sdisk NO_HW    DEVICE    DGC    RAID 5
                     /dev/dsk/c6t0d2 /dev/rdsk/c6t0d2
disk    6  255/1/0.0.0  sdisk CLAIMED    DEVICE    TEAC DVD-ROM DW-224EV
                     /dev/dsk/c5t0d0 /dev/rdsk/c5t0d0

该怎么分辨是磁盘还是其他设备的问题，要怎么清除？
我是新手，麻烦说的清楚一点，谢谢。

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lbseraph

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发表于 2014-08-15 20:32 |显示全部楼层

回复 1# liyuping_0

这台机器只连接到一台CX4-480么？搞清楚有几条物理链路先，如果是4个LUN给到主机，每个LUN有2个链路，那么那些NO_HW的应该就是假的（可以用命令strings /etc/lvmtab检查一下这2个NO_HW的设备文件有没有在用）～没用的话可以放心先用rmsf删掉，可以用-H参数；看下manpage的例子～删掉之后重新ioscan一下在insf -e看眼ioscan -funC disk的输出，没有的话就没事了。