When running a Smalltalk full backup, we get these page cache faults from time to time. They really scared me at first, but the backup runs without fault if we run it again later. Is this something to worry about? And is the backup invalid if this happens?
--
Ken Treis
Miriam Technologies, Inc.
(866) 652-2040 x221
Begin forwarded message:
From: root@www (Cron Daemon)
Subject: Cron <gsadmin@www> /opt/gemstone/product/seaside/bin/runBackup-smalltalk
Date: August 24, 2013 11:56:01 PM PDT
Performing backup for stone: seaside
topaz> topaz> topaz> topaz> topaz> topaz> successful login
topaz 1> topaz 1> 2013-08-24T23:45:03.35230088233948-07:00
Performing Smalltalk full backup...
*************** Page Cache Fault ***************
occurred at /export/jupiter3/users/buildgss/gs64/3101/build31024/src/pagecache.hc: 2504
message is: Page header fault, expected page 2027725 frame page 2027725 , expected kind 4, found kind 3
Cache coherency page 2027725 pageHdrPtr 0x0x7fe909938000
PageHdr fields:
pageKind 3, pageDirty 0, netStatus 0, inSharedCache 1
pageId 2027725, aioState 0, flushedRemote 0
sessionId 10, beginId (3542175, 0(freeFrameId) )
privatePinned 0 bytesUsed 208, spare1 0, spare2 0
SharedCache frame 13086
frameAge 46
frameLock.pageReferenceCount 1
Frame History Information:
previousPageId 0, newPageId 2027725
procTableSlot 37, sessionId 22, readIdNum 20
shrTimeNow 1377413701 08/24/2013 23:55:01 PDT
********************************************************
Workspace beginId = (3542299 24) sessionId 8
********************************************************
2013-08-24T23:55:59.79580307006836-07:00
...backup status: success
true
topaz 1> topaz 1> Logging out session 1.
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