[CentOS] [OT] Building a new backup server

Mon Nov 4 21:29:43 UTC 2013
Dennis Jacobfeuerborn <dennisml at conversis.de>

On 04.11.2013 18:05, m.roth at 5-cent.us wrote:
> Sorin Srbu wrote:
>> Guys,
>> I was thrown a cheap OEM-server with a 120 GB SSD and 10 x 4 TB
> SATA-disks for the data-backup to build a backup server. It's built
> around an Asus
> Z87-A
>> that seems to have problems with anything Linux unfortunately.
>> Anyway, BackupPC is my preferred backup-solution, so I went ahead to
> install another favourite, CentOS 6.4 - and failed.
>> The raid controller is a Highpoint RocketRAID 2740 and its driver is
> suggested to be prior to starting Anaconda by way of "ctrl-alt-f2", at
> which point
>> Anaconda freezes.
>> I've come so far as installing Fedora 19 and having it see all the
> hard-drives, but it refuses to create any partition bigger than approx.
> 16 TB with ext4.
>> I've never had to deal with this big raid-arrays before and am a bit
> stumped.
>> Any hints as to where to start reading up, as well as hints on how to
> proceed (another motherboard, ditto raidcontroller?), would be greatly
> appreciated.
> Several. First, see if you CentOS supports that card. The alternative is
> to go to Highpoint's website, and look for the driver. You *might* need to
> get the source and build it - I had to do that a few months ago, on an old
> 2260 (I think it is) card, and had to hack the source -they're *not* good
> about updates. If you're lucky, they'll have a current driver or source.
> Second, on our HBR's (that's a technical term - Honkin' Big RAIDS... <g>),
> we use ext4, and RAID 6. Also, for about two years, I keep finding things
> that say that although ext4 supports gigantic filesystems, the tools
> aren't there yet. The upshot is that I make several volumes and partition
> them into 14TB-16TB filesystems.

In that case it might be better to switch to XFS which is supported by 
Red Hat up to 100TB so up to that capacity should work well. With RHEL 7 
XFS will become the default Filesystem anyway so now is the time to get 
used to it.