Difference between revisions of "Information for administrators"

Revision as of 18:56, 14 February 2012

You are the admin, right?
Login as root and shutdown the machine
Install the physical drives (currently, use only 1TB drives!). Turn on the machine.
Enter the RAID bios by pressing TAB
Enter the rsf menu and choose to expand the array (this operation took around 33 hours for 4Tb -> 6Tb expansion!!!)
Enter the vsf menu and choose to expand also the logical array (this operation took only around 1 hour for 4Tb -> 6Tb expansion)
Boot the system
umount /home/; umount /storage/volume0; umount /storage/volume1
Execute parted
Select /dev/sdb. From now on we assume that in the system there exist, so far, logical partitions /dev/sdb1, /dev/sdb2, ..., /dev/sdb(n-1)
Create a new partition, start at [old_size] (size before the RAID expansion), end at [new_size] (size after the RAID expansion). At the end of the process, the new partition is denoted as /dev/sdbn
pvcreate /dev/sdbn
vgextend users /dev/sdbn
lvextend /dev/mapper/users-bigvol /dev/sdbn
mount /storage/volume1
xfs_growfs /storage/volume1
mount /storage/volume0; mount /home/;
DONE!!!!

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 * Execute parted
 * Select /dev/sdb. From now on we assume that in the system there exist, so far, logical partitions /dev/sdb1, /dev/sdb2, ..., /dev/sdb(n-1)
-* Create a new partition, start at [old_size] (size before the RAID expansion), end at [new_size]. At the end of the process, the new partition is denoted as /dev/sdbn
+* Create a new partition, start at [old_size] (size before the RAID expansion), end at [new_size] (size after the RAID expansion). At the end of the process, the new partition is denoted as /dev/sdbn
 * pvcreate /dev/sdbn
 * vgextend users /dev/sdbn