
PreambleI had been looking to replace an older server that had 10 small drives with a smaller machine with less drives, but with larger capacity.
A deal on the Proliant Microserver had been
posted last year, which I didn't take up, but was recently
re-promo'd by HP and now with a slightly larger drive, up from 160GB to 250GB.This time, I couldn't resist. At £121 (US $195) for a chassis, PSU, low power dual core CPU/mobo and RAM with 4 coldswap slots and potential to add a 5th drive, I think it's the bargain of the decade as far as small servers go.
OS at time of building: unRAID 4.7 Pro
CPU: AMD Athlon™ II NEO? N36L (1.3GHz Dual Core, 12W TDP)
Motherboard: ?
Here is a photo of the motherboardRAM: 1GB ECC (standard, upgradable to 8GB)
Case: HP
Drive Cage(s): 4x Cold Swap plastic and metal + 1x
Icy Box IB-168SK-BPower Supply: 150W
SATA Expansion Card(s): None (motherboard includes 2x PCI-E slots)
Cables: n/a
Fans: 1x 120mm fan for whole chassis + 1x 40mm PSU fan
Parity Drive: 2TB ST32000542AS
Data Drives: 2x 2TB WD20EARS, 2x 1.5TB ST31500341AS
Cache Drive: 320GB WD Scorpio 5400rpm
Total Drive Capacity: 7.32TB
Primary Use: SABnzbd, Transmission, Blu-ray server, day-to-day file storage
Likes: Very lower power. Very Quiet (21dB). Compact. Very cheap. Well designed and constructed. Easy to swap out drives. Slide out motherboard tray.
IPMI card option. A screwdriver (which fits all screws in the system) and drive screws are held in place in the front door!
Dislikes: You can almost fit another 3.5" drive in the top part of the chassis, but not quite! Plastic parts of coldswap bays feel a little flimsy, but these should be easily user-replaceable if they do break. 250GB drive is a waste of money. They shouldn't have bothered including it.
Add Ons Used: SABnzbd, Transmission, SickBeard, Bandwidth Monitor NG, unMenu, lighttpd, php, nzbgetter, ntfs-3g, screen, unrar.
Future Plans: Upgrade RAM. Upgrade 2.5" cache drive.
Boot (peak): 115W
Idle (avg): 27W (all drives spun down)
Active (avg): 35W (downloading to cache drive at 20mbps with SABnzbd)
Light use (avg): 36W (unpacking rar with SABnzbd)
Parity check speed (at start): 64,271 KB/sec
This photo shows the standard 4 drive slots and the 5th slot added in the 5.25" bay with the use of the Icy Box IB-168SK-B:

In order to run the 5th slot at full SATA speeds, you will need to
modify the BIOS. Thanks to
zheka_ppp for his help in locating the files needed to do the mod.
I ran an eSATA to SATA cable back in through a PCI slot, up in to the cavity behind the 5.25" bay:

It's easy to fit a 2.5" drive below the 5.25" bay. Viola! 6th drive! I chose this to be the cache drive, so I don't have to worry if the eSATA cable accidentally gets pulled out of the back at some point:

And the Icy Box IB-168SK in place with the 5th drive:

The eSATA to SATA cable is a bit thick and long, but there's plenty of room in the case to accomodate it. I have a thinner cable somewhere (I do not have Cable OCD

) so when I find that, I may replace the current one.
Closing commentsOther tweaks made:
- Write caching turned on in the BIOS
- VGA set to 32MB in the BIOS
- PCI Power saving turned on in BIOS
- wdidle3 /d for WD drives
I think the HP Proliant Microserver is a fantastic little box. If you are in the market for a server with relatively few drives, and you can get it on a promo price, I highly recommend it.