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McRib Sandwich posted:
I have been thinking about buying one of these Addonics storage towers to use as a DAS and a portable offsite backup. Can you comment on the quality of the enclosure and the power supply? How noisy is the power supply? Is there enough airflow over the drives to keep them cool? I am concerned that there might be airflow problems because of the mesh looking sides. Is it possible to change the backpanel once it is purchased?
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Mar 19, 2008 06:16
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feld posted:I just did this today at work. One of our Oracle DBs needed a larger space for its data. Created a LUN, attached it to the system. I think that the previous poster is referring to the fact you can't currently expand a VDEV. This is pretty limiting for most home setups.
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Mar 19, 2008 06:19
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I have been living on borrowed time for years and really need to come up with a backup system and centralized NAS. Currently, I have over 40 hard drives, both PATA and SATA, stuck in static bags in my closet. I would really appreciate it if you could help me out with some of my questions and give feedback on my thought process. Priorities: - Automatically backup two desktops and a laptop - Low power usage (Will be on 24x7) - Quietness (I live in a small apartment) - Reliability (Probably ECC and Intel/LSI disk controllers if I build my own) - Act as a NAS and present the files as a single pool - Can be expanded incrementally to a large number of disks (would be nice if I could use the disks I already have without wiping them). - Ease of administration; probably windows based since I don’t have time to learn something else. - Easy way to make at least partial off-site backups - I don’t want to need to update the hardware or make substantial modifications one year from now. Nice to have options: - Integrated video - I am not immediately planning to use virtual machines but it would be a nice option to have so vt-x and vt-d would be a plus. - Relatively low cost - IPMI/KVM management - Ability to spin down drives when not in use. Option 1: Repurpose a stock HP Mediasmart EX-490 ======================================= Repurpose a stock HP Mediasmart EX-490 with either Windows Server 2012 R2 Essentials or Windows Server 2011 (Still have a license I never ended up using) with SnapRAID (1 OS Drive, 2 Parity Drives, and up to 5 data drives) and Stablebit DrivePool. And hooking up a TowerRAID TR4M+BNC over eSata running in IT mode. If I don’t go with this option I may give the hardware to my parents for a back up of their systems or use it as an offsite backup for my files. =Cost= Essentially free except for the DrivePool license =Pros= -I already have the hardware and the cost is cheap. =Cons= -The hardware is quite old (Celeron 2.2 Ghz). I am not sure how well the EX-490 will run Windows Server 2012 R2 Essentials and it could be quite slow -I am not sure if there is a size limit on the hard drives that can be used with it. -I don’t really like the idea of an external DAS from a reliability perspective. -No ability to expand beyond 8 disks. -No IPMI ability -Might not be much support. -No ECC Option 2: Buy a Synology DS1815+ 8-Bay Diskless NAS ============================================ =Cost= ~$970 =Pros= -Works straight out of the box -Can be expanded with additional Synology expansion boxes for substantial cost. =Cons= -Need to buy new disks or somehow clear old disks -Might be more difficult to mix disk sizes and expand on an incremental basis. Option 3: Build My Own NAS ====================== If I build my own NAS I am leaning towards a Windows Server 2012 R2 Essentials based system (I get free licenses for this through school) and using SnapRaid (Maybe FlexRAID) with Stablebit Drivepool. This should let me reuse disks that are already populated and expand the system easily. Most of the files will be fairly static media files. The exception to this would be files being backed up from the laptop. Other software that I would like to run include SABnzbd and utorrent. For the offsite backup I have been thinking about repurposing the old HP Mediasmart EX-490 with either Windows Server 2012 R2 Essentials or Windows Server 2011 (Still have a license I never ended up using) and hooking up a TowerRAID TR4M+BNC over eSata running in IT mode. Still trying to figure out how to sync data to it in some manner other than having to haul it home. Maybe BTSync or some kind of Rsync that will work with Windows. I have some hardware I was going to build a computational node for running simulations that could wholly or partially be repurposed. i7-4790k (I would like to keep this for running simulations) ASUS Z97-AR ATX motherboard (Could be repurposed for the storage NAS but doesn’t have sufficient SATA connections) Samsung 840 EVO 512 GB Seasonic SS-660XP Platinum-660 Power Supply Fractal Design Define R5 (I could repurpose this to a storage NAS) Beyond the hardware I already have I am considering the Intel Xeon E3-1200 v5 and i3 processors with a Supermicro X11SAE motherboard. Any particular case options other than the Define R5? Any recommendations which option I should go with or suggestions for other options? I have never used a Windows Server OS of any vintage. How easy is it to administer? How well does Windows Server 2012 R2 Essentials perform backups when the clients to be backed up are not joined to its domain? Can it do some sort of differential or incremental image? Can it do versioning? What processor, motherboard, and case would you recommend if I build my own NAS? Which system would you go with and why?
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Nov 27, 2015 03:29
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Melp posted:[*]HDD Fans: Noctua NF-F12 iPPC 3000 PWM -- The SC846 comes with 3 80mm HDD fans which are absurdly loud. Fortunately, the fan wall is removable and 3 120mm fans fit perfectly in its place. I zip-tied the 120mm fans together and used zip-tie mounts to secure them to the chassis. I started with Noctua NF-F12 1500 RPM fans, but some of the drives were getting a bit hot under heavy load, so I switched to their 3000 RPM model. I also discovered that air was flowing from the CPU side of the fan wall back over the top of the fans rather than coming through the HDD trays, so I cut a ~3/4" strip of wood to block the space between the top of the fans and the chassis lid. With the wood strip in place, HDD temps dropped like 10 C. Pics of the fan wall install process (still showing 1500 RPM fans): http://imgur.com/a/SCaWu Thanks for the super detailed post. Do you think if you used 140 mm fans as a fan wall the blocking strip you made of wood would still be necessary. Would 3 x 140 mm fans fit horizontally? Thanks for the movie too. How would you compare the noise level after modifications to a quiet tower? Did you make custom cables to power the drives or did the cables come with the Supermicro PSUs?
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Nov 8, 2016 04:15
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