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  1. Y

    NETGEAR kicks loose Six-Bay SMB NASes

    A snapshot practically takes no space unless you start making changes to your volume. Then it "backs up" the original data in the snapshot reserved space -- sort of opposite of what you would typically think. It's pretty space efficient in that this "copy-on-write" only copies the blocks --...
  2. Y

    HP Procurve 1800-24G + nvidia teaming + TS509

    Sorry Dennis -- I meant local performance on the QNAP (through ssh). I'm pretty sure your 4-disk RAID 0 shouldn't be the bottleneck.
  3. Y

    HP Procurve 1800-24G + nvidia teaming + TS509

    I'm pretty sure you're bounded by the max local RAID throughput bandwidth at this point. You can verify this by using SSH and running some dd test on the RAID volume. Typically I use the following to time a 3 GB file write and then read. # time dd if=/dev/zero of=foo bs=1024k count=3072 #...
  4. Y

    QNAP TS509 benchmarks

    Dennis, with 4 GB of RAM on the NAS, you're essentially measuring network and RAM speed. The results you posted would apply only if you're depending on your data being in RAM all the time. To really get a true measure of the device's performance, force it to hit the RAID 5 volume so you can...
  5. Y

    NAS Newb: Suggestions Appreciated

    We're working on a work-around for this drive and we're targeting for the fix to be implemented in a release due in a couple months. In the meantime, you can disable spin-down as beisser recommended.
  6. Y

    NETGEAR kicks loose Six-Bay SMB NASes

    Regardless, I would focus on the realistic RAID levels that folks use. RAID 0 is a train wreck waiting to happen and pure striping with no parity is not a good measure of the RAID engine. If anything, I would measure X-RAID2 which is what 80% of our users will end up using and RAID 6, which...
  7. Y

    NETGEAR kicks loose Six-Bay SMB NASes

    Tim, I would just concentrate on RAID 5. No one should be using RAID 0, especially in a 6-disk system. RAID 5 also is more stressing on the NAS, and that should definitely be taken into consideration.
  8. Y

    Netgear ReadyNAS Duo Reviewed

    Yes, specificially the IT3107 NSP used on the Duo.
  9. Y

    Netgear ReadyNAS Duo Reviewed

    I think it may be available in some parts of the world but not in NA, at least not yet.
  10. Y

    Netgear ReadyNAS Duo Reviewed

    The memory management architecture in 2.6 kernel used in V4 differed enough from 2.4 in V3 such that we had to recoup by using a larger page/block size. So if we had stuck to 4K page size, performance would not have been close to where it is today. Well, that's the options. But if somehow...
  11. Y

    Netgear ReadyNAS Duo Reviewed

    FYI, 16K page/block size allows for faster performance especially with our custom NSP. There's also advantage in terms of providing better prevention against fragmentation. Recovery can be performed on any Sparc or IA-64 (Itainium)-based systems as someone posted, but it can also be done by...
  12. Y

    NAS Newb: Suggestions Appreciated

    Yes, this has been fixed with the latest firmware update and it's been verified working between two ReadyNAS.
  13. Y

    Which NAS can back up to other NAS?

    I can't speak for the other NAS, but the ReadyNAS comes with a built-in Backup Manager where you can schedule your backups with other ReadyNAS system(s). Typically we recommend that you set up a rsync job between the two ReadyNAS in a LAN environment, then take one offsite and perform future...
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