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Recent content by m4rm

  1. M

    Silencing a SC846?

    My home rack is already pretty quiet. Most of the noice come from SC846 and its fans. I already have SQ PSUs, but I'd like to replace the three fans behind the backplane. I'm using the chassis as JBOD, so I can safely remove the back fans I think. I noticed that the back fans can be replaced...
  2. M

    Linux files systems, what do you prefer and why?

    Always ZoL (well, not practically a Linux FS). If running VMs there's usually ZFS underneath, then I'll just run XFS in the VMs.
  3. M

    [H]ard Forum Storage Showoff Thread

    12 total? Which kind of zpool/array you'll run them in?
  4. M

    Intel 750 performance (400GB vs 800GB vs 1200GB)?

    Just found out that there is a 800GB model of this SSD. Has anyone got their hands on one yet? I would like to see some real world test results between each model. Is 1200GB model really worth it, or should I go for 400GB / 800GB if the capacity meets my needs?
  5. M

    Supermicro motherboard randomly loses UEFI devices?

    Not sure which is the right subforum to post this, so let's start here: I wanted to install Debian on ZFS root with UEFI boot. 1) I downloaded Ubuntu 15.04 desktop image because it has UEFI support (debian live does not) 2) Mounted the .iso via Supermicro IPMI 3) BIOS shows two devices...
  6. M

    10 GbE starting to become reasonable for home?

    Depends what you count as "reasonable". Fun hobbies are never cheap :). I've been running a "10G network" at home for about a year now: Juniper EX3300-24T - $1000, new Intel X520-DA2 nics in each server/desktop - $100 each, new from China MM OM3/4 cables - maybe $50 total?, new Optics...
  7. M

    Optimal raidz vdev sizes for 24 spindles?

    10GBASE-T draws too much power, is too expensive and fiber gives so much more flexibility.
  8. M

    Optimal raidz vdev sizes for 24 spindles?

    I think this setup is still doable even with 32GB ram. Also that's the max for this board/cpu. Upgrading to 2011 now would be overkill. Xeon D is optimal storage platform, but I am not going to touch any 10GBASE-T stuff, never. I wonder if Intel will release a Skylake Xeon SoC?
  9. M

    Optimal raidz vdev sizes for 24 spindles?

    I'll just list everything, since other people might wanna know as well. It's currently running on bare metal. Xeon E3-1230v3 32GB ddr3 ECC Supermicro X10SLH-f SC846BA-R920B SAS3-846EL1 backplane M1015 2x 40GB Intel 320 SSD for OmniOS Intel X520 dual port 10G nic 24x various 4TB HDDs, mix or WD...
  10. M

    Optimal raidz vdev sizes for 24 spindles?

    Backups are there, no worries. Think I'm going for 6 disk per vdev. 8x6/8/10TB drives in a single raidz2 sounds hazardous. Thanks for all the suggestions!
  11. M

    Optimal raidz vdev sizes for 24 spindles?

    Yes, 3x8 would give me best capacity, and probably good-enough performance (need 1GB/s seq read/write), but is 8disk wide raidz2 vdevs good idea with 6TB, or even 8TB drives? I'm currently using only 4TB drives, but I'd like to make the pool future proof for bigger disks as well.
  12. M

    Optimal raidz vdev sizes for 24 spindles?

    I don't mind, I'm looking for best all-around setup (reliability, performance, capacity).
  13. M

    Optimal raidz vdev sizes for 24 spindles?

    It will be mostly media streamed around the house, but also a iSCSI LUN to my Windows desktop, that's why I need the performance. I tried to avoid largeblocks because it's not supported in ZoL and I might have to switch to ZoL in the future.
  14. M

    Optimal raidz vdev sizes for 24 spindles?

    Well, scrubbing speed does not tell that much about performance since OpenZFS (I think you're not on Solaris? :P) does not do sequential resilver, also raidz3 resilvering is most stressful for disks.
  15. M

    Optimal raidz vdev sizes for 24 spindles?

    Currently running 8x 4TB drives in single raidz2 vdev, going to add 16 more disks. Random performance is going to suck anyways so I'm going to max out on Seq to saturate 10G. Some options (?) : 1) 4x 6disk raidz2 If I had to pick now without planning, I'd go for this one because: 6disk...
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