Hi all, I am test ceph 0.56.6 with CentOS 6.3 I have one server, use raid 6, and then divided into 2 partitions (2 OSD) With CentOS 6.3 (kernel 2.6.32-358), OSDs on the same server frequently error:
" ......... osd.x [WRN] slow request x seconds old ....................................................... " I think due to syncfs error. I use command: grep -r syncfs /usr/include Nothing is out With kernel 3.9.0 : grep -r syncfs /usr/include /usr/include/asm-generic/unistd.h:#define __NR_syncfs 267 /usr/include/asm-generic/unistd.h:__SYSCALL(__NR_syncfs, sys_syncfs) /usr/include/asm/unistd_32.h:#define __NR_syncfs 344 /usr/include/asm/unistd_64.h:#define __NR_syncfs 306 /usr/include/asm/unistd_64.h:__SYSCALL(__NR_syncfs, sys_syncfs) /usr/include/bits/syscall.h:#define SYS_syncfs __NR_syncfs Thus, kernel suitable for deployment CEPH ? I need to install glibc or not? JoinLenon
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