[jira] [Commented] (TS-4465) Cannot use disk cache file > 1.6T

["Alan M. Carroll (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TS-4465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15428542#comment-15428542 ] 

Alan M. Carroll commented on TS-4465:
-------------------------------------

I have some hardware on order to be able to test this but it's not ready yet.

> Cannot use disk cache file > 1.6T
> ---------------------------------
>
>                 Key: TS-4465
>                 URL: https://issues.apache.org/jira/browse/TS-4465
>             Project: Traffic Server
>          Issue Type: Bug
>            Reporter: Stefan Warten
>            Assignee: Alan M. Carroll
>             Fix For: sometime
>
>
> Fresh install of ATS 6.1.2 cannot use disk cache file > 1.6T.
> /etc/trafficserver/storage.config:
> {code}
> /data/trafficserver 2400G
> {code}
> /var/log/trafficserver/diags.log:
> {code}
> [May 20 13:03:38.749] Server {0x2aee9c706700} WARNING: <CacheDisk.cc:160 (openStart)> disk header different for disk /data/trafficserver/cache.db: clearing the disk
> [May 20 13:03:38.759] Server {0x2aee9c706700} NOTE: <Cache.cc:2823 (cplist_reconfigure)> Clearing Disk: /data/trafficserver/cache.db
> [May 20 13:03:38.762] Server {0x2aee9ce0d700} NOTE: <Cache.cc:1396 (init)> clearing cache directory '/data/trafficserver/cache.db 319488:211025881'
> [May 20 13:03:44.810] Server {0x2aee9ce0d700} WARNING: <Cache.cc:1440 (handle_dir_clear)> unable to clear cache directory '/data/trafficserver/cache.db 319488:211025881'
> [May 20 13:03:44.821] Server {0x2aee9ce0d700} WARNING: <Cache.cc:910 (cacheInitialized)> failed to initialize the cache for http: cache disabled
> [May 20 13:03:44.821] Server {0x2aee9ce0d700} NOTE: <Cache.cc:1080 (cacheInitialized)> cache disabled
> {code}
> I tried it with several sizes. I can create cache.db with max 1600GB. Anything bigger results in the cache being disabled (log above). It actually creates the file with the mentioned size, file permissions are ok but it always complains that "disk header different for disk /data/trafficserver/cache.db: clearing the disk" and "failed to initialize the cache for http: cache disabled".
> Strange thing is that we use the same version on other servers where we upgraded an installation from a previous version. cache.db file already existed and this is working fine.



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