Bug 1305573 - [RFE] Add support for OPTIONAL PV
Summary: [RFE] Add support for OPTIONAL PV
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: lvm2
Version: rawhide
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: LVM Team
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-02-08 15:40 UTC by Zdenek Kabelac
Modified: 2024-05-06 17:34 UTC (History)
9 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: Bug
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 1561669 0 high NEW [RFE] Allow vgreduce --remove-missing to remove missing cache leg 2025-05-17 08:28:48 UTC

Internal Links: 1561669

Description Zdenek Kabelac 2016-02-08 15:40:03 UTC
Description of problem:

Introduce support for new  PV type.
ATM lvm2 does support  PERMANENT   PVs -  if such PV is missing, it's causing error reports in lvm2 command. 

We would like to support  OPTIONAL PVs - such a PV could be available, but when when it's missing it's the correct state -  it's 'another kind of' MISSING handling. The limitation is - there must be always at least 1 PERMANENT PV in a VG to hold all the metadata.

Such optional PV does not hold metadata.
Also it's based on previous work of supporting new PV flag pv-in-use.

Example of use case:
Having multiple nodes - accessing clustered VG on all nodes, but then nodes may use local devices as well - e.g.  local SSD storage user may want to use for caching.

Other use case could be attaching optional PV as USB as a member of VG.


Version-Release number of selected component (if applicable):
2.02.141

How reproducible:


Steps to Reproduce:
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Expected results:


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