Hi all
I have encountered so many times, the raid device is created successfully, but the directory
/dev/md0 can't be created. It can't reproduce 100%.
[root@intel-sugarbay-do-01 create_assemble]# cat /proc/mdstat
Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : active raid10 loop7[7](S) loop6[6] loop5[5] loop4[4] loop3[3] loop2[2] loop1[1] loop0[0]
1788416 blocks super 1.2 512K chunks 2 near-copies [7/7] [UUUUUUU]
bitmap: 0/1 pages [0KB], 65536KB chunk
unused devices: <none>
[root@intel-sugarbay-do-01 create_assemble]# ls /dev/md0
ls: cannot access /dev/md0: No such file or directory
The underline devices are loop devices which are created with big file.
The kernel I used is RHEL7 (3.10.0-234.el7.x86_64.debug, mdadm - v3.3.2 - 21st August 2014)
I'll try to reproduce this with upstream kernel and mdadm. But I think it shouldn't be the problem about kernel.
What do you think I should check for this? And which tool is responsible for creating the directory? Maybe
I can add some log to it to find the reason.
Best Regards
Xiao
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