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Increasing Space in Software Raid

culkinj3

2008-01-29

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Hello

I have a server running RHEL 4 and it has a software Raid (1) of 2 250
gb Sata disks. I want to upgrade this to two 750 gb disks in a Raid 1
configuration. There is not another SATA slot available.

Here is some more information

# df -ah
/dev/md1         229G 196G  21G 91% /
none              0   0   0  - /proc
none              0   0   0  - /sys
none              0   0   0  - /dev/pts
usbfs             0   0   0  - /proc/bus/usb
/dev/md0          99M  11M  83M 12% /boot
none            505M   0 505M  0% /dev/shm
none              0   0   0  - /proc/sys/fs/binfmt_misc
automount(pid2042)     0   0   0  - /var/autofs/bacula
/dev/sdc1         451G 340G  88G 80% /mnt/usb
#
cat /proc/mdstat
Personalities : [raid1]
md1 : active raid1 sda3[0]
   242983040 blocks [2/1] [U_]

md0 : active raid1 sda1[0]
   104320 blocks [2/1] [U_]

unused devices: <none>


# cat /etc/fstab
/dev/md1           /               ext3   defaults     1 1
/dev/md0           /boot             ext3   defaults     1 2
none             /dev/pts           devpts gid=5,mode=620 0 0
none             /dev/shm           tmpfs  defaults     0 0
none             /proc             proc   defaults     0 0
none             /sys             sysfs  defaults     0 0
LABEL=SWAP-sdb2      swap             swap   defaults     0 0
LABEL=SWAP-sda2      swap             swap   defaults     0 0
/dev/sdc1          /mnt/usb           ext3   defaults     0 0


Any suggestions/tips?

-- John C.

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