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ITX Mobo for NAS

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Procyon12

[H]ard|Gawd
Joined
Jun 26, 2011
Messages
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there seems to be an influx of NAS built around the Atom platform (Qnap, Netgear for example) and a handful of ITX cases with 4-6 3.5" drive bays are popping up, some even with hot swap racks.

so it got me thinking, since ive been wanting to upgrade my Dlink DNS323 for some time, to try to build myself a somewhat high end atom or fusion based NAS.

problem is, ideally id like 2 pci-e slots. one for a rocketraid (or similar) 4 port sata softraid card. second for an intel pci gigabit card.

since itx only supports 1 expansion, and dtx is dead pretty much, i suppose id settle for 1 pci-e slot if i could find a mobo with onboard intel lan or a decent onboard softraid (hotswap? intel maybe)

any ideas? id rather stick to the fusion/atom for power savings but if i have to move up to a socket based system i might..
 
your awesome. both things i asked for onboard.
hmm...it says raid windows only...so i might still have to get a card...
 
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Nah it should work fine in linux. Worst case scenario you can do LVM or software raid. Is this a home server?

I wouldn't do raid on a home server unless I was using enterprise level hard drives. Recovering a RAID array with consumer drives could be catastrophic for your data even if you have a RAID 6 array.

I prefer proper backups and LVM to make a big volume, actually I've moved from LVM which can still be a mess to recover and I use GlusterFS locally to make a big volume with it's own Automatic File Replication feature among two servers over GigE on different spots of the house for proper backup.

GlusterFS is a userspace filesystem that works on top of ext3/ext4, that means if any drive fails worst case scenario you only lose data from that drive, No need to rebuild anything and normally you can recover just fine using normal tools like FSCK.

Sorry for getting offtopic just hyped about my new NAS :D
 
my idea is for a 3x1tb raid5 setup for 2tb of usably space, adding more in the future.

ive never had problems recovering from a intel oboard raid 1 or 5, swap the drive, open matrix manager in windows, and set to rebuild. ive even been able to pull 1 drive out of a dead motherboard, stick it in a newer ICH mobo, downgrade it from raid in 2 min, keep the data, and then the drive is usable anywhere via sata-USB adapter.

its for a home server, but its not a media or streaming server. but i want it to be decently fast.

my idea is that i can have alot of data that i use everyday, docs, files, projects, music, videos, photos, sitting on a network drive that i can access from multiple computers/laptop, and therefore i can keep the hardrives in my computers small, (ssd, raptor, etc)

right now, i get a bout 10-15MB/s on my DNS-323, and about 5-10MB/s write which makes daily use painful at times.
 
Well yes recovering from a dead mobo is easy... since it's all intel raid (or software raid actually) but when a drive fails... another story, dunno the term, in Solaris RAIDz it's called resilvering, it's when you replace the drive for a new one, it's pretty heavy for the disks.

Anyway. That performance is dreadful my Intel Atom board has only 100mbps ethernet, so I added a cheap $10 GigE adapter (PCI!!!! severely bottlenecked) and I get 45MB/s +/- %Mbps reading or writing and on my new NAS with just 2 disks and gluster I get 70MB/s so I understand your pain.

The Supermicro board is great, some variants even have an IPMI NIC which allows you to VNC into the server even to see the post which is awesome IMHO
 
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