Device /dev/xvdf2 not found (or ignored by filtering)

最近想将服务器的本地硬盘通过LVM来灵活管理,具体问题如下: [[email protected] ~]# pvcreate /dev/sdb Device /dev/sdb not found (or ignored by filtering). [[email protected] ~]# lsblkNAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTnvme0n1 259:0 0 2.9T 0 disksda 8:0 0 744.1G 0 disk├─sda1 8

/etc/lvm/lvm.conf filters

[[email protected] ~]# mount /dev/cdrom /mnt/cdrom/ mount: block device /dev/sr0 is write-protected, mounting read-only 虚拟机挂着光驱光驱时提示只读,用以下命令可解决该报错, mount -o remount,rw /dev/cdrom /mnt/cdrom 参考网址:http://blog.chinaunix.net/uid-30645967-id-5701870.html

这是因为华为默认禁掉了log输出, 解决办法: 拨号: *#*#2846579#*#* 会显示工程菜单, Go to "ProjectMenu" -> "Background Setting" -> "Log Setting" Open "Log switch" and set it to ON. Open "Log level setting" and set the log level yo

今天再做巡检的时候发现有一台服务器的RMAN备份不正常,有一段时间没能正常备份了.检查了一下脚本,正常,定时任务列表也正常,再检查一下/var/log/cron的内容,也没有问题.尝试在该挂载点上创建一个1.txt文件的时候,发现有异常报出来了.内容为:mount: block device /dev/emcpowerc1 is write-protected, mounting read-only.原来是因为磁盘为只读状态,不可写入,导致了备份失败. 解决办法: umount /dev/emc

在Linux的日志/var/log/message里面看到下面错误信息: Oct 26 09:48:42 xxxxxxx SYMBDSNAP_SDK[3943]: Failed to open device: /dev/symbdsnapctl, errno: 2. Google搜索了一下,发现出现这个错误的原因: Advanced Open File Option for Linux (AOFO-L) is not supported for the use with the kernel v

解决办法: Open: /system/etc/init.d/××× (not the same file on different ROMs, find the right file) Find the line that says: rm /dev/log/main Change the line to: # rm /dev/log/main (comments out the line, rm = remove, in case you were wondering) Save and r

Mount 挂载错误mount:block device /dev/sr0 is write – protected , mounting read-only 安装虚拟机出现以下提示: mount:block device /dev/sr0 is write - protected , mounting read-only 说明系统光驱加载成功,因为光驱是只读的,所以提示write-protected,mounting read-only,sr0是光驱设备名, 通过以下命令: ll /dev/c

之前创建asm磁盘的时候总结过一下错误:http://blog.csdn.net/rhys_oracle/article/details/17029333 当今天情况是这样的.如下: 在使用openfiler通过iSCSI映射到本地,发现将整个磁盘创建为asm提示如下错误: [[email protected] iscsi]# /etc/init.d/oracleasm createdisk VOL1 /dev/sdh Marking disk "VOL1" as an ASM dis