pvcreate报错：Device /dev/mapper/mpatha not found(or ignored by filtering). 2022_11

问题：pvcreate命令在使用多路径设备时失败，即使该设备存在，也会出现以下错误。
pvcreate报错：Device /dev/mapper/mpatha not found(or ignored by filtering).

解决办法：验证/etc/lvm/lvm.conf中的过滤器设置

1、验证/etc/lvm/lvm.conf中的过滤器设置并确保它允许扫描多路径设备。

# vi /etc/multipath.conf

multipath的多路径设备名为mpath*，自研多路径设备名为msdisk*。

2、使用多路径设备/dev/mapper/mpatha和pvcreate。

补充：/etc/lvm/lvm.conf中的过滤器设置错误，pvcreate会提示invalid filter pattern。

参考博客：https://www.onitroad.com/jc/linux/faq/lvm-device-mpatha-not-found-or-ignored-by-filtering.html

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pvcreate报错：Device /dev/mapper/mpatha not found(or ignored by filtering). 2022_11_08

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