back to article Toshiba unveils SSD: Claims hard-as-nails kit has the write stuff

Toshiba has tweaked the design of its PX02SS flash drive so it can sustain 30 full drive writes a day for five years through a 12gig SAS interface. This SSD is made from Tosh’s 24nm enterprise-class NAND (eNAND) and comes in 100GB, 200GB, 400GB and 800GB capacity points. The 30 drive writes/day stat applies to all models. It …


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  1. jai

    what's the point in such a claim? is anyone going to set these up as individual drive and see the claim and think "well i shalln't bother with a raid or backup redundancy setup then, at least, not for the next 59 months..."

    better off buying cheaper disks that are likely to fail, because then at least your data redundancy process is justified and not a complete waste of time and effort and money :)

    1. Adam JC


      I see where you're coming from fella, but can you sit there and attack the pricing - Yet how is one supposed to acheive that kind of IOPS from even then most ambitious disk array?

      Let's say you're packing these densely in a 1U chassis and only have.. lets say, 6x 2.5" SFF hotswap bays.

      The most ambitious 10K 2.5" SFF drives nowadays will do maybe 250-300 IOPS if you're bloody lucky.

      Even with 6 of these - In any kind of RAID configuration you can possibly think of - You're not going to acheive ~100K IOPS and anywhere near 1000MiB/sec in this kind of density.

      To be honest, even with a huge storage array/SAN you're still going to have to spend a rather ridiculous amount on spinning rust to get the kind of IOPS one of these will produce. The disks aren't so cheap if you need 100 of them to equal the price of a single SSD in raw throughput/IOPS!

    2. Steven Raith

      There is some validity to the idea of getting less reliable disks for less cost, but it really, really depends on the scale of your systems, and how much time you want to spend doing RAID rebuilds or physically going to the datacentre to replace the hot spares.

      I'd rather have assurances that my disks aren't going to eat themselves within a year, or have a failure rate that means I'm going to the DC once a month (And spending money once a month..) to ensure I have enough hot spares to cover the cheaper, more failure prone disks - and that's assuming that the cheaper disks can do fast encrypted writes, if that's a requirement, etc.

      I'm pretty sure there'll be a surprisingly big market for these devices - and as more reliable SSDs come on stream (in a datacentre environment, that is - most SSDs are 'good enough' for non-server roles) we'll start seeing them as primary boot drives in standard servers, and then as part of tiered storage, and eventually, they'll take over from spinning rust.

      I'll put a fiver on that being within the next ten years, easily....

  2. Simon 11

    The devil's in the details

    (or small print)

    ***Warranty for the 200GB capacity point is 5 years or 3.7PB total write capacity, whichever occurs first.

    You know, if El Reg reporters are going to turn product spec sheets into "articles", they should at least supply all of the facts (I'm not even going to bother pointing out the multiple inaccuracies in this article).

  3. Suricou Raven

    No price?

    I get the impression this is one of those 'if you have to ask, you can't afford it' things.

  4. DJO Silver badge

    Hmm, lot's about how often you can write to it but nothing on how often you can read from it - Write Only Memory perhaps?

    1. Anonymous Coward
      Anonymous Coward

      write-only? They'll be undercut by this startup...


  5. Kubla Cant Silver badge


    Why is this article categorised under "Cloud"? It seems to be about a local storage device. Unless my buzzwords are woefully out-of-date, that's exactly what the Cloud isn't.

    1. Steven Raith

      Re: Cloud?

      I think the idea is that it's meant to be used in tiered storage for large scale cloudy processing type stuff - much as though I like SSDs, the price/performance ratio simply isn't there yet for local storage.

      Won't be long before it is though, I'd wager.

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