[Lustre-discuss] question about dcache revalidate

2012-01-11 Thread tao.peng
Hi, I was reading dcache.c and following comments in ll_revalidate_it() seem confusing. Does it mean llite can hash a positive dentry to dcache without taking inode LOOKUP lock? 589 /* 590 * This part is here to combat evil-evil race in real_lookup on 2.6 591 *

Re: [Lustre-discuss] Need Help

2012-01-11 Thread Colin Faber
Hi, Additional logging from the MDS and OSS's is required to really tell whats going on, that said you can try and verify that your OSS nodes can successfully contact your MDS and MGS nodes, lctl ping will indicate this. After that if you find they are successfully contacting each other you

Re: [Lustre-discuss] Finding bugs in Lustre with Coccinelle

2012-01-11 Thread Andreas Dilger
On 2012-01-09, at 4:33 AM, Karsten Weiss wrote: I've compiled(^1) Lustre 2.1.0 on CentOS 6.2 with Clang's static analyzer (LLVM 3.0). Here's the bug summary to give you an idea of the result: Bug TypeQuantity