Search the Community

Hello. After the system was restored, the cache disappeared. Unsuccessfully switched to a new version which did not work .... What can you do about it? There are disks with cache, but the system does not connect them ... . . . ash-4.3# cat /proc/mdstat Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] md2 : active raid5 sda3[5] sdd3[4] sde3[3] sdc3[2] sdb3[1] 7794770176 blocks super 1.2 level 5, 64k chunk, algorithm 2 [5/5] [UUUUU] md1 : active raid1 sda2[0] sdb2[1] sdc2[2] sdd2[3] sde2[4] sdf2[5] sdg2[6] 2097088 blocks [16/7] [UUUUUUU_________] md0 : active raid1 sda1[0] sdb1[1] sdc1[2] sdd1[3] sde1[4] sdf1[5] sdg1[6] 2490176 blocks [16/7] [UUUUUUU_________] ash-4.3# mdadm --detail /dev/md0 /dev/md0: Version : 0.90 Creation Time : Tue Jun 22 19:18:07 2021 Raid Level : raid1 Array Size : 2490176 (2.37 GiB 2.55 GB) Used Dev Size : 2490176 (2.37 GiB 2.55 GB) Raid Devices : 16 Total Devices : 7 Preferred Minor : 0 Persistence : Superblock is persistent Update Time : Fri Jun 25 18:59:43 2021 State : clean, degraded Active Devices : 7 Working Devices : 7 Failed Devices : 0 Spare Devices : 0 UUID : bc535ace:18245e6d:3017a5a8:c86610be Events : 0.11337 Number Major Minor RaidDevice State 0 8 1 0 active sync /dev/sda1 1 8 17 1 active sync /dev/sdb1 2 8 33 2 active sync /dev/sdc1 3 8 49 3 active sync /dev/sdd1 4 8 65 4 active sync /dev/sde1 5 8 81 5 active sync /dev/sdf1 6 8 97 6 active sync /dev/sdg1 - 0 0 7 removed - 0 0 8 removed - 0 0 9 removed - 0 0 10 removed - 0 0 11 removed - 0 0 12 removed - 0 0 13 removed - 0 0 14 removed - 0 0 15 removed ash-4.3# mdadm --detail /dev/md1 /dev/md1: Version : 0.90 Creation Time : Tue Jun 22 19:18:10 2021 Raid Level : raid1 Array Size : 2097088 (2047.94 MiB 2147.42 MB) Used Dev Size : 2097088 (2047.94 MiB 2147.42 MB) Raid Devices : 16 Total Devices : 7 Preferred Minor : 1 Persistence : Superblock is persistent Update Time : Fri Jun 25 17:50:04 2021 State : clean, degraded Active Devices : 7 Working Devices : 7 Failed Devices : 0 Spare Devices : 0 UUID : 6b7352a0:2dd09c09:3017a5a8:c86610be Events : 0.17 Number Major Minor RaidDevice State 0 8 2 0 active sync /dev/sda2 1 8 18 1 active sync /dev/sdb2 2 8 34 2 active sync /dev/sdc2 3 8 50 3 active sync /dev/sdd2 4 8 66 4 active sync /dev/sde2 5 8 82 5 active sync /dev/sdf2 6 8 98 6 active sync /dev/sdg2 - 0 0 7 removed - 0 0 8 removed - 0 0 9 removed - 0 0 10 removed - 0 0 11 removed - 0 0 12 removed - 0 0 13 removed - 0 0 14 removed - 0 0 15 removed ash-4.3# mdadm --detail /dev/md2 /dev/md2: Version : 1.2 Creation Time : Wed Dec 9 02:15:41 2020 Raid Level : raid5 Array Size : 7794770176 (7433.67 GiB 7981.84 GB) Used Dev Size : 1948692544 (1858.42 GiB 1995.46 GB) Raid Devices : 5 Total Devices : 5 Persistence : Superblock is persistent Update Time : Fri Jun 25 17:50:15 2021 State : clean Active Devices : 5 Working Devices : 5 Failed Devices : 0 Spare Devices : 0 Layout : left-symmetric Chunk Size : 64K Name : memedia:2 (local to host memedia) UUID : ae85cc53:ecc1226b:0b6f21b5:b81b58c5 Events : 34755 Number Major Minor RaidDevice State 5 8 3 0 active sync /dev/sda3 1 8 19 1 active sync /dev/sdb3 2 8 35 2 active sync /dev/sdc3 3 8 67 3 active sync /dev/sde3 4 8 51 4 active sync /dev/sdd3