Hello again ,
Andreas Wilm wrote:
Dimitri Puzin wrote:
Danie schrieb:
Hi All ,
Hello,
[...]
FC3 , running in a RAID 5 setup ( 4 x 300GB) , no LVM
My question , if I want to add another disk to the array , will I need
to reconfigure my whole logical disk? I've tried to google it etc , but
I've come to know this list as the best resource for my backup woes :)
IMO this has nothing to do with Bacula software itself but with
underlying disk subsystem. Whether you can add a disk or not depends on
the capability of your RAID controller. If you have software RAID
solution running there, then there is currently no way to enlarge the
array. It needs to be rebuilt from scratch completely. However, Linux
Kernel v2.6.17-rc1 together with latest mdadm tools has support for
growing software RAID-5 volumes. This schould be considered beta
quality! If you attempt doing it, make sure you have a backup ;). Please
share your results as I am also interested in this function.
Regards,
-Dimitri aka Tristan-777
Hi Danie,
if you´re using a software RAID 5, there´s a tool for resizing a raid 5
called "raidreconf", located at http://unthought.net/raidreconf. But I
must say I didn´t ever tried it , so make a backup ;-) before resizing
the RAID5.
It seems I'll have to rethink my strategy , as RAID 5 only configures
itself with regards to the smallest HDD in the RAID set , so me wanting
to add a 500GB disk to a 4x300GB RAID set is going to be pointless :( .
Sorry I forgot to mention I am running hardware RAID controller (Intel)
, so I will probably have to add the disk to the Array through the Intel
RAID console , not sure how the resizing will affect the Linux logical
drive ? Currently I have my FC3 setup as follows :
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 51G 47G 1.1G 98% /
none 0 0 0 - /proc
none 0 0 0 - /sys
none 0 0 0 - /dev/pts
usbfs 0 0 0 - /proc/bus/usb
/dev/sda5 769G 721G 10G 99% /arch
/dev/sda1 2.0G 46M 1.9G 3% /boot
none 506M 0 506M 0% /dev/shm
none 0 0 0 - /proc/sys/fs/binfmt_misc
I've been considering just setting up a secondary server (with the sd) ,
looking at the SS4000-E from Intel. Thanks for the input , will
investigate further and share my findings.
Greetings
Andreas
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