We have the same identical problem, but only on one guest of two identical zlinux (SLES8, same application, same number of DASD, same z/VM and LPAR, same installation date/procedure...). Did anyone have a solution better than Suse response?! I don't understand why it never happen before on fifty linux running from 2 yeas...
-- Gian Ranga Nathan wrote:
I got a quick response from SuSE. Here is what they say: You shouldn't see any file corruption at all. Does this happen on an MDISK on z/VM, by any chance? In this case please turn off MDISK caching. Another common cause for seemingly unexplainable corruptions is if you assign more than 2 GB of RAM to a 31-bit mode Linux system the kernel I/O behaves erratically. If I turn MDC off, I need to bump up Linux memory as it would need to do some caching. I like my Linux machines run lean. Are there similar issues with other file systems? Is there a performance hit in turning MDC off? __________________________________________
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Subject Re: reiserfs file system corruption Some of our partitions using reiserfs are showing a large amount of file corruptions ... like below. I could not fix it using --fix-fixable or even --rebuild-tree. I even copied the data using cp-ax and copied back. Same result. I had to re-format the partition and copy back the data. Is this the only way to fix reiserfs partitions? I am not sure why the --fix-fixable and --rebuild-tree dont work. bad_stat_data: The objectid (1946160282) is marked free, but used by an object [1946160279 1946160282 0x0 SD (0)] bad_stat_data: The objectid (1946160283) is marked free, but used by an object [1946160279 1946160283 0x0 SD (0)] bad_stat_data: The objectid (1946160284) is marked free, but used by an object [1946160279 1946160284 0x0 SD (0)] finished Comparing bitmaps..finished Checking Semantic tree: finished 4312 found corruptions can be fixed when running with --fix-fixable ########### reiserfsck finished at Mon Jun 13 16:54:48 2005 ########### __________________________________________
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