What is LVM's filter setting and how do I configure it easily in RHEL?
Issue
- I have many disks on my server, not all of which are assigned to LVM
- The default LVM filter of
filter = [ "a/.*/" ]causes extra unnecessary I/O testing for LVM devices at boot. - LVM commands report I/O errors against passive paths of multipath devices.
Environment
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Logical Volume Manager (LVM/LVM2)
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