Solved

Proactive / pre-emptive monitoring of SSD degradation

Posted on 2014-10-21
7
382 Views
Last Modified: 2014-11-11
Extracted from an IT forum:

"Even server grade SSD's are prone to sudden failures. Mostly due to exceeded max write count. And when they fail you lose whole data stored on them (happened few times in my work).

You can read SSD disks all the time but writing to them causes fast wear. Most SSD's have a specific limit of number of writes (more specific erase cycles for memory blocks) and when they reach that limit they just stop working.

In my laptop (not so heavily used - few VM's and ubuntu desktop (30% of the drive left unpartitioned) an intel consumer grade SSD died in a year (no files recoverable). "

Having read the above & I'm using a Crucial M500 SSD on my Thinkpad (& there's no space to
put in another HDD to do mirroring), would like to know

a) is there any freeware / tool out there that could do preemptive monitoring
    of my SSD deterioration & warn me before it fails

b) besides regular backup, is there any other way to prevent a complete failure?
    I know in the old days, Norton Utilities will mark a sector as bad & attempts
    to recover the data to another sector

c) I've heard of HDD where a certain % is reserved for sort of RAIDing.  Maybe
    I've recalled wrongly but is there such a method for SSD (if it's available
    for HDD) ?

d) after how many writes will my M500 SSD (250GB) fail or is close to the
    threshold of failing?  Any tool to monitor the number of this "write IO" ?
0
Comment
Question by:sunhux
  • 3
  • 2
  • 2
7 Comments
 
LVL 38

Assisted Solution

by:Aaron Tomosky
Aaron Tomosky earned 300 total points
ID: 40396186
You can monitor wear levels with a "smart" monitor. If you want reliability, go Intel. I also have a bunch of Samsung 840 pro and evo in servers for over a year running just fine but I could be Lucky (raid 10 though).
0
 
LVL 79

Assisted Solution

by:David Johnson, CD, MVP
David Johnson, CD, MVP earned 200 total points
ID: 40396252
for the 840's get the hotfix as it will restore the original speed. these drives tend to slow down read access for old data
0
 

Author Comment

by:sunhux
ID: 40397405
Where can I download this  "smart" monitor software?
Could you provide me the link?  Needed for Win 7,
Win XP & Macbook Snow Leopard.

Does this "smart" software warns me before an SSD
is about to fail?


2 more questions:

c) I've heard of HDD where a certain % is reserved for sort of RAIDing.  Maybe
    I've recalled wrongly but is there such a method for SSD (if it's available
    for HDD) ?

d) after how many writes will my M500 SSD (250GB) fail or is close to the
    threshold of failing?  Any tool to monitor the number of this "write IO" ?
0
Best Practices: Disaster Recovery Testing

Besides backup, any IT division should have a disaster recovery plan. You will find a few tips below relating to the development of such a plan and to what issues one should pay special attention in the course of backup planning.

 
LVL 79

Assisted Solution

by:David Johnson, CD, MVP
David Johnson, CD, MVP earned 200 total points
ID: 40398337
c) I've heard of HDD where a certain % is reserved for sort of RAIDing.  Maybe
    I've recalled wrongly but is there such a method for SSD (if it's available
    for HDD) ?


I've never heard of this.
d) after how many writes will my M500 SSD (250GB) fail or is close to the
    threshold of failing?  Any tool to monitor the number of this "write IO" ?


What will happen is you will start to lose capacity as sectors are overwritten too many times.  How many writes to a sector depends upon the specific SSD and most SSD's use wear leveling to use blocks that have less writes on them to be used first.. With a spinning disk this would introduce disk fragmentation but on an SSD this does not apply.  Different rules for different technology.  your ssd uses 20nm Micron MLC NND which has 72TB total bytes written (TBW), equal to 40GB per day for 5 years.  As with all storage media backups are mandatory, and when an ssd fails it is usually catastrophic where nothing can be recovered.

http://bit.ly/1FF8EZF
0
 

Author Comment

by:sunhux
ID: 40419211
http://bit.ly/1FF8EZF

Above link does not have any software that monitors the status of the SSD
or does it?
0
 

Author Comment

by:sunhux
ID: 40419213
Any other software eg: the "Smart" software that does such monitoring?
0
 
LVL 38

Accepted Solution

by:
Aaron Tomosky earned 300 total points
ID: 40419522
Linux and Unix have smartctl built in. For windows you have to add a smart monitoring tool like: http://sourceforge.net/projects/smartmontools/
0

Featured Post

PRTG Network Monitor: Intuitive Network Monitoring

Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Having issues meeting security compliance criteria because of those pesky USB drives? Then I can help you! This article will explain how to disable USB Mass Storage devices in Windows Server 2008 R2.
Finding original email is quite difficult due to their duplicates. From this article, you will come to know why multiple duplicates of same emails appear and how to delete duplicate emails from Outlook securely and instantly while vital emails remai…
In this video, we discuss why the need for additional vertical screen space has become more important in recent years, namely, due to the transition in the marketplace of 4x3 computer screens to 16x9 and 16x10 screens (so-called widescreen format). …
With the advent of Windows 10, Microsoft is pushing a Get Windows 10 icon into the notification area (system tray) of qualifying computers. There are many reasons for wanting to remove this icon. This two-part Experts Exchange video Micro Tutorial s…

785 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question