[I posted to zodb-dev as I was told they were the GURUs and could help since this is in the ZODB). What I have tried: 1) Using fsrecover.py (with and without -p and before and after packing) This has removed data but along with it a lot of data that I need. If you don't use the -p it removes nothing and I am stuck with the POSKeyError 2) Exporting the folder I think is corrupt (/Members/) and importing it into a new CMF. It imports, but the POSKeyError comes with (in a new location) 3) Deleting things out of the folder that could be causing the problem Gives me lots of errors about not being able to "unindex" the items followed by a POSKeyError in debug mode: "ERROR(200) PathIndex Attempt to unindex document with id xxxxxxxxx failed" Any new direction would be appreciated. The problem with hosing the darn /Members/ folder is that it has Members stuff in it. BZ
[Do we want this crossposted to zope@ and zodb-dev@ ?]
On Thursday 20 March 2003 12:21 pm, BZ wrote:
Hey Chris,
Thanks for helping me on on this one.
I looked all over and I know how to reindex a catalog, but how do you reindex an entire site or zope installation?
I think chris is guessing that your zodb corruption is limited to a dangling reference inside the zcatalog btree, so that reindexing the *catalog* followed by a pack will purge all traces of the corruption. Chris, can you share how you reached this?
He might be correct. good luck. ;-)
You also reported:
119583146L object serialno 0x034aab9e4b7e624c does not matchtransaction id 0x034ac5e367948900
That sounds like more than a single dangling reference :-(
It raises one question for me - did this data start out in this FileStorage? Or, has it been passed through a copyTransactionsFrom function, or something else that call the restore() storage method?
Tracking down corruption in FileStorage is hard - both tracking down the type of corruption so you can repair it, and tracking down the bug that caused it initially. Doing anything more scientific than following Chris' guess will require you to go through a debugging process.
-- Toby Dickenson http://www.geminidataloggers.com/people/tdickenson
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