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2015年6月17日技术合集

NetBackup SAN Client on HPUX

在完成SAN Client配置后,Windows/AIX/Linux系统中会自动发现两个Python类型的Tape Driver,但是HP-UX并不会,在日志可以看到信息如下:

/usr/openv/netbackup/bin/vxlogview -o 200 -d all
04/13/16 17:44:30.089 [Debug] NB 51216 nbftclnt 200 PID:21061 TID:1 File ID:200 [No context] 1 \
 [DiscoverDevices:HpUx] opendir failed for /dev/sctl No such file or directory
04/13/16 17:44:30.100 [Debug] NB 51216 nbftclnt 200 PID:21061 TID:1 File ID:200 [No context] 1 \
[StdDeviceInquiry] Device type 12 found on /dev/pt/pt7 Vendor/Product: "HP      OPEN-XP12000    500 "

它在干嘛?它在寻找设备,从日志可以看出它去找了两个地方/dev/sctl和/dev/pt/,会扫描这两个目录下的所有文件。

下面这个KB,指导在/dev/sctl下创建文件,供参考

https://www.veritas.com/support/en_US/article.000012701

这样就可以了吗?不行,部分主机并不会去/dev/sctl下去寻找设备,而是只扫描/dev/pt目录中的文件,所以建议使用/dev/pt路径创建文件,简要如下:

使用mknod命令创建文件,创建前查看/dev/pt目录,不要与现有文件冲突,如图所示,需要将ext_bus地址转换为16进制。

在线转换地址(自己会算更好!):http://tool.oschina.net/hexconvert/**

san_client_on_hpux

没完!还有问题!通常情况下,FT Media Server配置完成,Zone创建后,系统能够扫描到Python Tape Driver,可是通常HPUX中并不能看的,或者显示为NO_HW,在syslog.log中有如下显示:

ext_bus    63  3/0/10/1/0/4/0.101.12.255.0      fcd_vbus    NO_HW       INTERFACE    FCP Device Interface
target    176  3/0/10/1/0/4/0.101.12.255.0.0    tgt         NO_HW       DEVICE
tape        7  3/0/10/1/0/4/0.101.12.255.0.0.0  stape       NO_HW       DEVICE       ARCHIVE Python
tape        8  3/0/10/1/0/4/0.101.12.255.0.0.1  stape       NO_HW       DEVICE       ARCHIVE Python
 
Mar  1 11:13:58 FTclient1 vmunix: class : lunpath, instance 3104
Mar  1 11:13:58 FTclient1 vmunix: Evpd inquiry page 83h/80h failed or the current page 83h/80h data do not match 
the previous known page 83h/80h data on LUN id 0x0 probed beneath the target path (class = tgtpath, instance = 37) 
The lun path is (class = lunpath, instance 3104).Run 'scsimgr replace_wwid' command to validate the change

这是由于LUN Path路径冲突造成的,可以通过以下办法解决:

Validate that the devices are ARCHIVE  Python and if so, run the HPUX  command:
 
scsimgr -f replace_wwid -C lunpath -I  XXXX
replacing XXXX with the lunpath from the syslogd error message or the lunpath from the output of
 
ioscan -fN|grep lunpath|grep tape
for the NO_HW  devices.

日志信息 »

该日志于2015-06-17 21:40由 kevin 发表在技术合集分类下, 你可以发表评论。除了可以将这个日志以保留源地址及作者的情况下引用到你的网站或博客,还可以通过RSS 2.0订阅这个日志的所有评论。

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