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Old 4th March 2017, 4:33 AM   #1
synic Thread Starter
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Default Maximum 4K Read Rate SSD?

I've got a lot of documents... lots... approx 150K. Mostly between 50KB and 50MB.

(FWIW: I manage a document library data base / storage pool... basically a file server).

The documents are stored on a classic 7200rpm Samsung. Index and cataloging takes AGES and is hugely CPU intensive and is basically made up of massive read operations. ie: My current storage solution is unviable.

I need a new storage option in or to:

1) Speed up indexing time READ times.
2) Speed up access time (same as above I know but... well, I didn't know how to phrase it).
3) Enable multiple simultaneous search / access operations from separate worstations.

ie: I need to go SSD.

Things to consider:

Network access time won't be the primary consideration. I expect to go VM in the not to distant future and move to a single workstation / multiple VM solution.

I don't want to upgrade platform. Running AMD AM3+ (soon to be 16GB ram - currently 8GB).

I don't want to move to RAID even though this would net a significant reduction in access times.

I believe that IO access is the most important factor in improving the usability of the database for the users.

I also want to move a database on to the same storage.

In short I need an SSD that I can mount all my databases (music index / database (not file library) and documents (physical library) into in order to improve access times.

So by my own conclusions: I need massive 4K read capability.

Should I be looking at m.2 or Sata?

Onboard NVME or Expansion card?


OS Platform is Linux. Filesystem is XFS.

Suggestions appreciated.

Edit:

Saw this from this thread. Pretty.... I like it... I want one... but it is cost prohibitive.

Budged: less than $200 if possible. Actually prefer second hand.

Capacity: 240GB should see me out for the next 18 months. I have 180GB of documents and need database and file system redundancy / overhead on top of that.
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Last edited by SLATYE; 5th April 2010 at 9:01 PM. Reason: Corrected spelling of "bargain"

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Old 4th March 2017, 12:36 PM   #2
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Few things you've missed:

What's your budget?
What capacity do you need?
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Old 4th March 2017, 7:07 PM   #3
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Quote:
Originally Posted by Renza View Post
Few things you've missed:

What's your budget?
What capacity do you need?
Good questions... and probably the most important.

Budget $200 prefer less

Need 240GB capacity.

Will update previous post.

EDIT:

I could actually whack two SSD's together on an old 9650SE-2LPML raid card I have. The 3Ware is Sata2 but with 2xSSD's in Raid 0 my access times should drop through through the floor compared to the 7200RPM Samsung. Suggestions. (I've sort of answered my own question there haven't I...) Really... I need to matched SSD's of 120GB to formatted Raid 0 on the 9650SE-2LPML.

Thoughts?
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Last edited by SLATYE; 5th April 2010 at 9:01 PM. Reason: Corrected spelling of "bargain"

Last edited by synic; 4th March 2017 at 7:15 PM.
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Old 4th March 2017, 8:18 PM   #4
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Samsung EVO 250GB is about $140 but I recommend a 500GB for $240 and this would suffice. Due to head movements a spinner only gets about 100-150 random IOPS giving you a read speed of < 1 MB's. SSD's will immediately boost this to at least 30-40 MB's for a queue depth of one, if you have a queue depth of 32, 64, 128, or 256 then the random 4K read speeds tend to get to about 80% of the sequential speed of 540 MB's.

The PRO version or an M2 version would be quicker but also more expensive but given the huge jump between spinners and SSDs I don't think you'll notice much difference between faster and slower SSD's. I wouldn't bother going the funky route with an M2 on a PCIe card either. It sounds like to me you've never had or used an SSD so I can understand your hesitation but basically they absolutely fly if the conditions are right and any other time they are still pretty snappy. To give you a practical example I had two identical Win 7 laptops with an SSD in one and a 5400 RPM drive in the other and when Microsoft released about 15-20 updates one patch Tuesday the SSD finished in a tenth of the time of the other one.
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Old 5th March 2017, 12:25 AM   #5
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Quote:
Originally Posted by synic View Post

EDIT:

I could actually whack two SSD's together on an old 9650SE-2LPML raid card I have. The 3Ware is Sata2 but with 2xSSD's in Raid 0 my access times should drop through through the floor compared to the 7200RPM Samsung. Suggestions. (I've sort of answered my own question there haven't I...) Really... I need to matched SSD's of 120GB to formatted Raid 0 on the 9650SE-2LPML.

Thoughts?
I wouldn't bother with this. The RAID card probably isn't fast enough to keep up with the SSDs and may actually hinder performance (no to mention the inherent risks with RAID0)

For $200 and 240gb, I would grab a Samsung 950 pro 250gb. NVMe will provide deeper queue depths and more queues, as well as lower latency. It's within budget, so why not go for it?
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Old 5th March 2017, 5:36 AM   #6
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http://forums.overclockers.com.au/sh....php?t=1216902

Buy this ^
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