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When the cache-size is out of range error: [2010-07-24 20:05:51] E [xlator.c:328:_volume_option_value_validate] iocache: '32' in 'option cache-size 32' is out of range [4194304 - 6442450944] is logged. But GlusterFS does not fail, mount point is created.
Out of range is not an error. The check is present just to warn the user, but its not invalid.
Change the log message to W instead. E is quite misleading.
PATCH: http://patches.gluster.com/patch/5554 in master (xlator.c/option-validation: change the log level to warning when given value is out of range.)
PATCH: http://patches.gluster.com/patch/5555 in release-3.0 (xlator.c/option-validation: change the log level to warning when given value is out of range.)
verified with 3.1.1qa4.It fixed set option doesn't allow to set value less 4mb ---- # gluster volume set bz performance.cache-size 32 Set volume unsuccessful Error, Cannot be less than 4MB [root@space laks]# gluster volume set bz performance.cache-size 3200 Set volume unsuccessful ---- If volfile is edited manually it displays following warning - -- [2010-11-11 11:00:02.703548] W [xlator.c:321:_volume_option_value_validate] bz-io-cache: '32' in 'option cache-size 32' is out of range [4194304 - 6442450944] [2010-11-11 11:00:02.726984] W [xlator.c:321:_volume_option_value_validate] bz-io-cache: '32' in 'option max-file-size 32' is out of range [-1 - -1] ----
Checked with glusterfs-3.1.1qa5. It is fixed. Message is a warning message. [2010-11-11 16:09:55.362207] I [fuse-bridge.c:2808:fuse_init] glusterfs-fuse: FUSE inited with protocol versions: glusterfs 7.13 kernel 7.13 [2010-11-11 16:10:04.831396] I [fuse-bridge.c:3607:fini] fuse: Unmounting '/mnt/client'. [2010-11-11 16:10:04.901945] I [glusterfsd.c:672:cleanup_and_exit] glusterfsd: shutting down [2010-11-11 16:10:31.309628] W [xlator.c:321:_volume_option_value_validate] vol-io-cache: '22' in 'option cache-size 22' is out of range [419 4304 - 6442450944] [2010-11-11 16:10:31.309668] W [io-stats.c:1644:init] vol: dangling volume. check volfile [2010-11-11 16:10:31.309699] W [dict.c:1204:data_to_str] dict: @data=(nil) [2010-11-11 16:10:31.309716] W [dict.c:1204:data_to_str] dict: @data=(nil) Given volfile: +------------------------------------------------------------------------------+ 1: volume vol-client-0 2: type protocol/client 3: option remote-host bigbang 4: option remote-subvolume /d/glusterfs/export/export 5: option transport-type tcp 6: end-volume 7: 8: volume vol-write-behind 9: type performance/write-behind 10: subvolumes vol-client-0 11: end-volume 12: 13: volume vol-read-ahead 14: type performance/read-ahead 15: subvolumes vol-write-behind 16: end-volume 17: 18: volume vol-io-cache 19: type performance/io-cache 20: option cache-size 22 21: subvolumes vol-read-ahead 22: end-volume 23: 24: volume vol-quick-read 25: type performance/quick-read 26: option cache-size 22 27: subvolumes vol-io-cache 28: end-volume 29: 30: volume vol :