informatica:linux:raid
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informatica:linux:raid [2015/08/13 11:42] – jose | informatica:linux:raid [2020/11/15 13:08] – jose | ||
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Mostramos los discos que hay | Mostramos los discos que hay | ||
- | | + | cat / |
< | < | ||
Personalities : [raid1] [raid6] [raid5] [raid4] | Personalities : [raid1] [raid6] [raid5] [raid4] | ||
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</ | </ | ||
- | | + | mdadm --detail /dev/md1 |
< | < | ||
/dev/md1: | /dev/md1: | ||
Line 249: | Line 249: | ||
</ | </ | ||
- | | + | mdadm --detail /dev/md1 |
< | < | ||
/dev/md1: | /dev/md1: | ||
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#mdadm --detail /dev/md0 \\ | #mdadm --detail /dev/md0 \\ | ||
+ | < | ||
/dev/md0: \\ | /dev/md0: \\ | ||
Version : 00.90.03 \\ | Version : 00.90.03 \\ | ||
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| | ||
| | ||
+ | </ | ||
Añadimos el disco: \\ | Añadimos el disco: \\ | ||
#mdadm /dev/md0 -a /dev/sdb1 \\ | #mdadm /dev/md0 -a /dev/sdb1 \\ | ||
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servidor:~# mdadm --detail /dev/md0 | servidor:~# mdadm --detail /dev/md0 | ||
+ | < | ||
/dev/md0: | /dev/md0: | ||
Version : 00.90.03 | Version : 00.90.03 | ||
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| | ||
+ | </ | ||
Aumentamos el tamaño del RAID para que lo coja: | Aumentamos el tamaño del RAID para que lo coja: | ||
#mdadm --grow /dev/md0 --raid-devices=4 | #mdadm --grow /dev/md0 --raid-devices=4 | ||
+ | < | ||
md0 : active raid1 sdb1[4] sda1[0] sdd1[2] sdc1[1] | md0 : active raid1 sdb1[4] sda1[0] sdd1[2] sdc1[1] | ||
9767424 blocks [4/3] [UUU_] | 9767424 blocks [4/3] [UUU_] | ||
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[> | [> | ||
+ | </ | ||
Para que coja todo el tamaño del disco: \\ | Para que coja todo el tamaño del disco: \\ | ||
#mdadm --grow /dev/md1 --size=max | #mdadm --grow /dev/md1 --size=max | ||
Line 399: | Line 402: | ||
Todavía no ha cogido el filesystem todo el tamaño: | Todavía no ha cogido el filesystem todo el tamaño: | ||
#pvdisplay | #pvdisplay | ||
+ | < | ||
--- Physical volume --- | --- Physical volume --- | ||
PV Name / | PV Name / | ||
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Allocated PE 233699 | Allocated PE 233699 | ||
PV UUID | PV UUID | ||
+ | </ | ||
Le decimos que lo coja todo:\\ | Le decimos que lo coja todo:\\ | ||
# pvresize /dev/md1 | # pvresize /dev/md1 | ||
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servidor:~# pvdisplay\\ | servidor:~# pvdisplay\\ | ||
+ | < | ||
--- Physical volume --- | --- Physical volume --- | ||
PV Name / | PV Name / | ||
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Allocated PE 233699 | Allocated PE 233699 | ||
PV UUID | PV UUID | ||
+ | </ | ||
Primero hacemos un test: | Primero hacemos un test: | ||
#lvresize -v -d -t -L +457G / | #lvresize -v -d -t -L +457G / | ||
Nos la jugamos:\\ | Nos la jugamos:\\ | ||
- | #lvresize -v -d -L +457G / | + | |
+ | |||
+ | < | ||
Found volume group " | Found volume group " | ||
Loading servidor-servidor_home table | Loading servidor-servidor_home table | ||
Line 438: | Line 445: | ||
Resuming servidor-servidor_home (253:3) | Resuming servidor-servidor_home (253:3) | ||
Logical volume servidor_home successfully resized | Logical volume servidor_home successfully resized | ||
+ | </ | ||
Una vez añadido incrementamos el tamaño online. Necesitamos el paquete ext2resize: | Una vez añadido incrementamos el tamaño online. Necesitamos el paquete ext2resize: |
informatica/linux/raid.txt · Last modified: 2020/11/15 13:11 by jose