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Linux - RAID 5 e Multiple Disk ADMinistrator
PGpaolo posted a topic in Gestione Server Windows e Server Linux
root@lnx1:~# mdadm --detail /dev/md2 /dev/md2: Version : 00.90 Creation Time : Fri Apr 30 23:47:11 2010 Raid Level : raid5 Array Size : 4303245120 (4103.89 GiB 4406.52 GB) Used Dev Size : 1434415040 (1367.96 GiB 1468.84 GB) Raid Devices : 4 Total Devices : 3 Preferred Minor : 2 Persistence : Superblock is persistent Update Time : Thu Oct 21 22:04:55 2010 State : clean, degraded Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Layout : left-symmetric Chunk Size : 64K UUID : 8af16174:1e8b8ee5:a4d2adc2:26fd5302 Events : 0.4479906 Number Major Minor RaidDevice State 0 8 2 0 active sync /dev/sda2 1 8 34 1 active sync /dev/sdc2 2 8 18 2 active sync /dev/sdb2 3 0 0 3 removed sdd partizionato come segue Disk Drive: /dev/sdd Size: 1500301910016 bytes, 1500.3 GB Heads: 255 Sectors per Track: 63 Cylinders: 182401 Name Flags Part Type FS Type [Label] Size (MB) ------------------------------------------------------------------------------ sdd1 Boot Primary Linux raid autodetect 25169.36 sdd2 Primary Linux raid autodetect 1468845.83 sdd3 Primary Linux swap / Solaris 6284.12 sda, sdb ed sdc partizionati come segue cfdisk (util-linux-ng 2.13.1.1) Disk Drive: /dev/sdc Size: 1500301910016 bytes, 1500.3 GB Heads: 255 Sectors per Track: 63 Cylinders: 182401 Name Flags Part Type FS Type [Label] Size (MB) ------------------------------------------------------------------------------ sdc1 Primary Linux raid autodetect 25166.88* sdc2 Primary Linux raid autodetect 1468841.07* sdc3 Primary Linux swap / Solaris 6291.36* cerco di infilare la partizione sdd2 in /dev/md2 con mdadm /dev/md2 -a /dev/sdd2 che mi risponde mdadm: /dev/sdd2 not large enough to join array e dire che sdd2 pare addirittura più grande dei tre fratelli sda2, sdb2 ed sdc2 Chi mi aiuta? Grazie, ciao P.S.: che significa l'asterisco ------------------------------------------------------------------------------ sdc1 Primary Linux raid autodetect 25166.88* sdc2 Primary Linux raid autodetect 1468841.07* sdc3 Primary Linux swap / Solaris 6291.36* dopo la dimensione in MB delle partizioni???- 8 replies
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Know your System Administrator - GNU Project - Free Software Foundation (FSF)