[Bugs] [Bug 1466188] New: Add scripts to analyze quota xattr in backend and identify accounting issues

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1466188

            Bug ID: 1466188
           Summary: Add scripts to analyze quota xattr in backend and
                    identify accounting issues
           Product: GlusterFS
           Version: mainline
         Component: quota
          Assignee: sunnikri at redhat.com
          Reporter: sunnikri at redhat.com
                CC: bugs at gluster.org



This bug is for introducing scripts in order to identify Accounting issues in
marker as discussed originally in
http://nongnu.13855.n7.nabble.com/Scripts-to-help-RCA-quota-accounting-issues-td222941.html,

1. Script that does a du -h on the directory tree and a quota list on the
hierarchy and interleaves the two. We can then identify which directory(s) in
FS has caused the accounting to go bad and try to investigate what fops
happened on those directories. Also, currently for accounting issues we set
dirty xattr on the FS tree as a whole. But, if we knew the origin of the
accounting mismatch then we can set dirty xattr on a few directories on the
brick and let the correction propagate by itself.

2. Another issue is that since the xattr are in hexadecimal it becomes tedious
to analyze. we need a script that can recursively collect xattr values and dump
it human readable form for quick analysis

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