Bug 2224239

Summary: client: trigger to flush the buffer when making snapshot
Product: [Red Hat Storage] Red Hat Ceph Storage Reporter: Xiubo Li <xiubli>
Component: CephFSAssignee: Xiubo Li <xiubli>
Status: ASSIGNED --- QA Contact: Hemanth Kumar <hyelloji>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 5.3CC: ceph-eng-bugs, cephqe-warriors
Target Milestone: ---   
Target Release: 6.1z2   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of:
: 2224241 (view as bug list) Environment:
Last Closed: Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Xiubo Li 2023-07-20 08:56:16 UTC
When making snapshots if the Fb is being used because of the buffer is not flushed yet. Then it will defer flushing the snapcap back to MDS.

And then if the file is overwrote and then a new snapshot is made then the first snapcap will be overwrote too.

Fixes: https://tracker.ceph.com/issues/59343

Comment 1 RHEL Program Management 2023-07-20 08:56:34 UTC
Please specify the severity of this bug. Severity is defined here:
https://bugzilla.redhat.com/page.cgi?id=fields.html#bug_severity.