- Description has changed:
Diff:
~~~~
--- old
+++ new
@@ -2,4 +2,4 @@
With this ticket, we propose to introduce 02 new admin operations (set/clear)
towards IMM; using these operations to inform IMM if the file system is
unavailable or in healthy state. Based on that data, IMM will reject the write
request earlier with error code SA_AIS_ERR_TRY_AGAIN if the file system is
unavailable.
-Besides, an runtime attribute `saImmFileSystemStatus` is added and owned by
IMM to show the status of underlying file system.
+Besides, a runtime attribute `saImmFileSystemStatus` is added and owned by IMM
to show the status of underlying file system.
~~~~
---
** [tickets:#3019] imm: return try-again on write requests when file system is
unresponsive**
**Status:** unassigned
**Milestone:** 5.19.03
**Created:** Mon Mar 18, 2019 03:57 AM UTC by Vu Minh Nguyen
**Last Updated:** Mon Mar 18, 2019 03:57 AM UTC
**Owner:** nobody
With current design, when the file system is unavailable or not responsive, CCB
apply on IMM OM side likely get SA_AIS_ERR_TIMEOUT error code as osafpbed may
stuck at the activity of writing to sqlite3 database and therefore is not able
to response to IMM in time.
With this ticket, we propose to introduce 02 new admin operations (set/clear)
towards IMM; using these operations to inform IMM if the file system is
unavailable or in healthy state. Based on that data, IMM will reject the write
request earlier with error code SA_AIS_ERR_TRY_AGAIN if the file system is
unavailable.
Besides, a runtime attribute `saImmFileSystemStatus` is added and owned by IMM
to show the status of underlying file system.
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