> > On Wed, 14 Apr 2004, Michael Bellears wrote: > > > I have just installed Debian 3 on a Smart Array 6400 (4 > disks (146.8G > > each) Raid 5) - This gives me a data partition of 409G. > > that's pretty bad ... i'd have expected somewhere around 3x > 146gb of usable space
That is my "data" partition - I have other partitions taking up the remaining space. > > when you formatted the disks... did you use -m 1 or some > other non-default "reserved space" on these giant disks No - Standard install with cfdisk (So whatever it uses) > > > If I add an additional 146.8G drive, and update the > array(Raid BIOS), > > if you changed the "partition" ( raid bios )... you lost all data > - partitions are not dynamically resizable to add new disks > to the array I added the addiditional HD to the dynamic array (HP top tools) - Giving a total of ~520G (As reported in HP Tool) > > > the changes are not reflected when in Debian (i.e. It still > only sees > > a 409G partition, not ~520G) > > > > Is there anyway around this? Or everytime we add an > additional drive, > > we must create a new array, and add it to fstab? > > you need to use a "resizable" filesystem type ( reiserfs or > jfs or xfs ) > - if forgot which fs are dynamically resizable to allow the > inclusion of the new disk into its existing partitions > ( allows you to make 256MB / to be 512MB / or > something like it ) I am running ReiserFS - Is there anything I need to do once I have rebooted with the additional drive to have it "see" the additional space? > > growing an existing raid array on the fly is a "bad thing" > and i hope you have very good backups to restore the entire array The server has a capacity of 16 drives - We currently only have 5(Couldn't talk management into purchasing 16x$1000 drives striaght up!) - I wanted to be able to "grow" the size of the array when demand dicates(i.e. once we have used ~450G, I would like to add an extra two 146.8 G drives to increase our data partition's size).. Regards, MB
