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Recent content by rsq

  1. R

    Using Proxmox as snapshot ZFS backup target?

    I really don't see why you would raidz1 your backup machine. Seems like losing a drive for nothing. Sure use raidz2 on your main server to reduce downtime, but losing everything if the backup array craps out seems like no big deal since you can restore it from the primary. Better to use the...
  2. R

    Just wondering... external Raid enclosures for SSD's?

    I second the point above about the latency being more important then the seq transfer rate. That said it is not impossible. USB 3 in whatever form is impractical because USB is a polling based bus and will add latency (and lots of it). The added USB latency will be most visible in the small...
  3. R

    Opinions on storage upgrading.

    I'm in the same situation as OP. But I decided to stick with the DIY server because of these reasons: I want the ZFS! The 3TB WD reds I have in the system are rock solid, have 20 of them, and have not replaced any in the 5 years of operation of the box. I have seen failures on 8TB and 10TB...
  4. R

    New backup tool for LTO tape drives

    Sorry it took so long to reply, I was on business trip. I bought 2 of these: https://www.benl.ebay.be/itm/HP-Ultrium-1840-LTO-4-FC-Internal-Tape-Drive-Bandlaufwerk-AH194A-447791-001/162916891825?hash=item25ee9a7cb1:g:-SUAAOSwDkdakWlQ:rk:29:pf:0 They come in the ESL tape library caddies with...
  5. R

    New backup tool for LTO tape drives

    Hello *, I have recently solved my backup problem and want to share my solution. The problem: I have 27 TB of data. not all of it is irreplaceable because most of it are rips of my bluray and vinyl collections. However, ripping all the discs takes a long time and I wanted to back up...
  6. R

    Physical vs. Virtual FreeNAS + iSCSI vs. NFS: performance testing results.

    Thanks for sharing your results. With regards to the performance with sync=always: Your performance is exactly what is to be expected. Look in the product spec for your SLOG devices: [Page 9/33 table 4] Intel® SSD DC S3510 Series Product Specification The 80Gb is specced as 110 MB/sec...
  7. R

    NVME (m.2) / RAM Drive / RAID / SATA III SSD Game Load Time Comparisons

    Nail on the head right there. I develop cross platform QT applications (same source code and compiler on W7 and Ubuntu 16.04 LTS). Compilation on Ubuntu* is easily 15 times faster then on W7. NTFS is horrible when it comes to big sets of small files. In fact it is pretty horrible no matter...
  8. R

    Controller card?

    I like it because it is LSI, and well supported. Also, it has the IT firmware on it, meaning that the drives are just made available to the OS. There is no HW raid. I always prefer software raid over hardware raid. Performance is identical, and you are not screwed if the controller dies. Let me...
  9. R

    steam games and linux that didnt make it

    I run steam on my ubuntu box. IMO exactly the same as SteamOS, with the difference that my PC can do more then game only ... Besides, all I really want from Valve is Half-Life 3...
  10. R

    Small Expandable 10gbe Switch + Large Expandable 1gbps Switch?

    Don't forget the power consumption. Waaaaaay lower on fiber then copper. Causing the switch to run cooler (less noise from the fans) and the airco to be happier... People installing 10GBps over copper in a server context need their head checked.
  11. R

    5GbE?

    Multi GBit over copper is a bad idea. The line filters in 10GBase-T add a 1microsecond delay to each frame (The filter is mandated by the spec.). It also takes way more power to transmit 10GBps over copper then over fiber. LC-LC fiber is where it's at for me. I bought cheap brocade BR1020 cards...
  12. R

    Fast copy/move

    If I have to copy many small files from one linux box to another (source code mostly), I pipe the files into tar, then into gzip and then transfer them through ssh. Reverse on the other side.
  13. R

    External raid enclosure needed esata or ???

    With that kind of budget, I would go for 4/8 drive SAS enclosure and SAS card. Sample box: Sans Digital TR8X 8 Bay SAS / SATA JBOD Storage Enclosure (Silver) Card: LSI MegaRAID 9280-8e MD2 8-Port Ext. 6Gb/s PCIe SAS SATA RAID Card Cables (you'd need 2): External Mini SAS 26P TO MINI SAS 26P...
  14. R

    Simple NAS - options

    I disagree with this. It can be done. This mainboard will be power efficient, and can accept 12 hdd's and ECC memory. It is a winner for a DIY* NAS. ASRock C2550D4I Mini ITX Server Motherboard FCBGA1283 DDR3 1600 / 1333 - Newegg.com Going the DIY route with the above mainboard will run circles...
  15. R

    Controller card?

    8 port LSI SAS card with IT firmware would be my recommendation. Something like this: LSI SAS2308 LSI SAS 9207-8I PCIe 3.0 HBA LSI00301 Card
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