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There is a small window near the end of md_do_sync where mddev->curr_resync can be equal to MaxSector. If status_resync is called during this window, the resulting /proc/mdstat output contains a HUGE number of = signs due to the very large curr_resync: Personalities : [raid1] md123 : active raid1 sdd3[2] sdb3[0] 204736 blocks super 1.0 [2/1] [U_] [===================================================================== ... (82 MB more) ... ================>] recovery =429496729.3% (9223372036854775807/204736) finish=0.2min speed=12796K/sec bitmap: 0/1 pages [0KB], 65536KB chunk Modify status_resync to ensure the resync variable doesn't exceed the array's max_sectors. Signed-off-by: Nate Dailey <nate.dailey@stratus.com> Acked-by: Guoqing Jiang <gqjiang@suse.com> Signed-off-by: Shaohua Li <shli@fb.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.