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Old 11-06-2009, 07:06 AM   #1
m0ntassar
LQ Newbie
 
Registered: Oct 2008
Posts: 4

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resize and add new software raid1 xfs partition


I have a server with the following disk default setup:

Code:
server:~# df -h 
Filesystem            Size  Used Avail Use% Mounted on
/dev/md1              950M   74M  828M   9% /
tmpfs                 2.0G     0  2.0G   0% /lib/init/rw
tmpfs                 2.0G     0  2.0G   0% /dev/shm
/dev/md5              4.7G  230M  4.5G   5% /usr
/dev/md6              4.7G   70M  4.6G   2% /var
/dev/md7              454G  4.6M  454G   1% /home
none                  2.0G     0  2.0G   0% /tmp
Since it is going to be mainly used as a LAMP web server , I'd like te edit partitions by decrasing the /home size to 150G and to creating 2 new partition : /var/www 150GB and /var/lib/mysql 150GB

My hosting provider provides a rescue system, I rebooted my server to the rescue system

Code:
rescue:~# fdisk -l

Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1         123      987966   fd  Linux raid autodetect
/dev/sda2             124         367     1959930   82  Linux swap / Solaris
/dev/sda4             368       60801   485436105    5  Extended
/dev/sda5             368         976     4891761   fd  Linux raid autodetect
/dev/sda6             977        1585     4891761   fd  Linux raid autodetect
/dev/sda7            1586       60801   475652488+  fd  Linux raid autodetect

Disk /dev/sdb: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1         123      987966   fd  Linux raid autodetect
/dev/sdb2             124         367     1959930   82  Linux swap / Solaris
/dev/sdb4             368       60801   485436105    5  Extended
/dev/sdb5             368         976     4891761   fd  Linux raid autodetect
/dev/sdb6             977        1585     4891761   fd  Linux raid autodetect
/dev/sdb7            1586       60801   475652488+  fd  Linux raid autodetect

Disk /dev/md7: 487.0 GB, 487068073984 bytes
2 heads, 4 sectors/track, 118913104 cylinders
Units = cylinders of 8 * 512 = 4096 bytes

Disk /dev/md7 doesn't contain a valid partition table

Disk /dev/md6: 5009 MB, 5009047552 bytes
2 heads, 4 sectors/track, 1222912 cylinders
Units = cylinders of 8 * 512 = 4096 bytes

Disk /dev/md6 doesn't contain a valid partition table

Disk /dev/md5: 5009 MB, 5009047552 bytes
2 heads, 4 sectors/track, 1222912 cylinders
Units = cylinders of 8 * 512 = 4096 bytes

Disk /dev/md5 doesn't contain a valid partition table

Disk /dev/md1: 1011 MB, 1011548160 bytes
2 heads, 4 sectors/track, 246960 cylinders
Units = cylinders of 8 * 512 = 4096 bytes

Disk /dev/md1 doesn't contain a valid partition table
All partitions are formatted to xfs
I tried to look for a How TO, but most available ressources available are about ext2 partitions
What steps should I follow to resize /home (/dev/md7) and to create the two new partitions
 
  


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