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Trying to replace my old disks with new ones .. but
Hello all,
I've a system with 2 Hdds (Raid 1) and onte of the HDD failed last friday. As the disks are relative old, I could fine one to replace the deffective hd so I decided to buy 2 bigger disks and replace both.
So I started to remove the defective from my raid system and replaced it with the new one (much bigger). It seems it works because ClearOS tell me that my raid is clean ...
here's what I did to add my new disk into my RAID system : sudo -i mdadm --add /dev/md127 /dev/sdb
Now, I'd like to add my second new disk but I'm a liite bit afraid having made something wrong because... when looking for my hdds, here's the situation :
my /sda is the old disk I'd like to remove. As I can see, it has 3 partitions : sda1 /sda2 /sda3 and only sda3 is part of my raid system
my new disk /sdb is the new disk I added to my raid system
my new disk/sdc is the new disk I'd like to replace with the /sda one ...
Disque /dev/sda : 250.1 Go, 250059350016 octets, 488397168 secteurs
Unités = secteur de 1 × 512 = 512 octets
Taille de secteur (logique / physique) : 512 octets / 512 octets
taille d'E/S (minimale / optimale) : 512 octets / 512 octets
Type d'étiquette de disque : dos
Identifiant de disque : 0x0007fa39
Périphérique Amorçage Début Fin Blocs Id. Système
/dev/sda1 * 2048 2099199 1048576 83 Linux
/dev/sda2 2099200 3942399 921600 8e Linux LVM
/dev/sda3 3942400 488396799 242227200 fd Linux raid autodetect
Disque /dev/sdb : 2000.4 Go, 2000398934016 octets, 3907029168 secteurs
Unités = secteur de 1 × 512 = 512 octets
Taille de secteur (logique / physique) : 512 octets / 4096 octets
taille d'E/S (minimale / optimale) : 4096 octets / 4096 octets
Disque /dev/sdc : 2000.4 Go, 2000398934016 octets, 3907029168 secteurs
Unités = secteur de 1 × 512 = 512 octets
Taille de secteur (logique / physique) : 512 octets / 4096 octets
taille d'E/S (minimale / optimale) : 4096 octets / 4096 octets
Disque /dev/md127 : 247.9 Go, 247906435072 octets, 484192256 secteurs
Unités = secteur de 1 × 512 = 512 octets
Taille de secteur (logique / physique) : 512 octets / 4096 octets
taille d'E/S (minimale / optimale) : 4096 octets / 4096 octets
Disque /dev/mapper/clearos-swap : 1879 Mo, 1879048192 octets, 3670016 secteurs
Unités = secteur de 1 × 512 = 512 octets
Taille de secteur (logique / physique) : 512 octets / 512 octets
taille d'E/S (minimale / optimale) : 512 octets / 512 octets
I cannot imagine just removing my sda from my raid and adding my new /sdc will work because what's going on with /sda1 and sda2 ? and what about my boot ..
Unfortunatly I've no experience on that.. so could someone tell me what I should do ?
Thanks to all for your help -