internal bitmap是存放在raid设备的成员盘的superblock附近(可以在之前也可以在之后),而external是单独指定一个文件用来存放bitmap。 当bitmap以internal方式存放时,盘整中每个成员盘都会存放一份bitmap,这种情况的bitmap下刷为SYNC IO,此时下刷bitmap的bio属性BIO_RW_SYNCIO和BIO_RW_UNPLUG均有; 当bitmap以external...
0x11, mdu_array_info_t)41#defineGET_DISK_INFO _IOR (MD_MAJOR, 0x12, mdu_disk_info_t)42#definePRINT_RAID_DEBUG _IO (MD_MAJOR, 0x13)43#defineRAID_AUTORUN _IO (MD_MAJOR, 0x14)44#defineGET_BITMAP_FILE _IOR (MD_MAJOR, 0x15, mdu_bitmap_file_t)...
bitmap: 4/4 pages [16KB], 65536KB chunk unused devices: Yes, patience you must have. mint ~ #cat /proc/mdstat Personalities : [raid1] md1 : active raid1 sdb2[1] sda2[0] 4190208 blocks super 1.2 [2/2] [UU] md0 : active raid1 sdb1[1] sda1[0] 484060160 blocks super 1.2 [...
问36驱动阵列上的Linux mdraid resync速度EN#include <stdio.h> void printArr(int a[][20], int n, int m) { int i, j; for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { printf("%3d\t", a[i][j]); } printf("\n"); } } int...
mdadm/bitmap: examine-bitmap failed when bitmap is external mode Sep 1, 2017 bitmap.h mdadm/bitmap:fixed typos in comments of bitmap.h Mar 29, 2017 config.c mdadm: load default sysfs attributes after assemblation Jul 11, 2019
bitmap.c bitmap.h config.c coverity-gcc-hack.h crc32.c crc32.h crc32c.c dlink.c dlink.h external-reshape-design.txt inventory lib.c makedist managemon.c mapfile.c maps.c md.4 md5.h md_p.h md_u.h mdadm.8.in mdadm.c
问如何在md0 sw raid 1时调整/dev/sda2 2的大小EN存储结构与管理硬盘一、添加硬盘设备添加硬盘设备的...
clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); } + +void md_stop(struct mddev *mddev) +{ + /* stop the array and free an attached data structures. + * This is called from dm-raid + */ + __md_stop(mddev); + bitmap_destroy(mddev); ...
2.6.22.16 MD raid1 doesn't mark removed disk faulty, MD thread goes UN Under 2.6.22.16, I physically pulled a SATA disk (/dev/sdac, connected to an aacraid controller) that was acting as the local raid1 member of /dev/md30.
bitmap:0/22pages [0KB], 65536KB chunk unused devices:<none> conclusion: remember to stop /dev/md0 at first step, then do other operates; mdadm create raid5 array, every raid array info were storaged at every physical disk , no matter how their position was changed, madadm can recogniz...