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https://issues.apache.org/jira/browse/CASSANDRA-10112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15168663#comment-15168663
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Stefania commented on CASSANDRA-10112:
--------------------------------------
As suggested by [~benedict] above, this patch simply prints out all contents of
transaction logs with problems and stops the start-up, regardless of disk
failure policy. I've updated the title of this ticket accordingly.
|[patch|https://github.com/stef1927/cassandra/commits/10112]|
|[testall|http://cassci.datastax.com/view/Dev/view/stef1927/job/stef1927-10112-testall/]|
|[dtest|http://cassci.datastax.com/view/Dev/view/stef1927/job/stef1927-10112-dtest/]|
Sample output:
{code}
ERROR 08:37:41 Unexpected disk state: failed to read transaction log
[ma_txn_compaction_d291e2b0-dc62-11e5-8d7c-8933a8fd4210.log in folders
/home/stefi/git/cstar/cassandra/bin/../data/data/keyspace1/standard1-a0509e70dc5f11e5a8dffbb9e667c513]
Files and contents follow:
/home/stefi/git/cstar/cassandra/bin/../data/data/keyspace1/standard1-a0509e70dc5f11e5a8dffbb9e667c513/ma_txn_compaction_d291e2b0-dc62-11e5-8d7c-8933a8fd4210.log
ADD:[/home/stefi/git/cstar/cassandra/data/data/keyspace1/standard1-a0509e70dc5f11e5a8dffbb9e667c513/ma-4-big,0,8][4101796893]
REMOVE:[/home/stefi/git/cstar/cassandra/data/data/keyspace1/standard1-a0509e70dc5f11e5a8dffbb9e667c513/ma-2-big,0,8][4101796893]
***Invalid checksum for sstable [ma-2-big]: [4101796893] should
have been [2686116883]
REMOVE:[/home/stefi/git/cstar/cassandra/data/data/keyspace1/standard1-a0509e70dc5f11e5a8dffbb9e667c513/ma-3-big,0,8][4101796893]
ERROR 08:37:41 Cannot remove temporary or obsoleted files for
keyspace1.standard1 due to a problem with transaction log files. Please check
records with problems in the log messages above and fix them. Refer to the 3.0
upgrading instructions in NEWS.txt for a description of transaction log files.
{code}
> Refuse to start and print txn log information in case of disk corruption
> ------------------------------------------------------------------------
>
> Key: CASSANDRA-10112
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10112
> Project: Cassandra
> Issue Type: Improvement
> Components: Local Write-Read Paths
> Reporter: Stefania
> Assignee: Stefania
> Fix For: 3.x
>
>
> Transaction logs were introduced by CASSANDRA-7066 and are read during
> start-up. In case of file system errors, such as disk corruption, we
> currently log a panic error and leave the sstable files and transaction logs
> as they are; this is to avoid rolling back a transaction (i.e. deleting
> files) by mistake.
> We should instead look at the {{disk_failure_policy}} and refuse to start
> unless the failure policy is {{ignore}}.
> We should also consider stashing files that cannot be read during startup,
> either transaction logs or sstables, by moving them to a dedicated
> sub-folder.
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