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Old 03-03-2013, 12:47 AM   #1
waddles
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Using flash drives in lieu of hdd


I am considering using flash drives for multiple OSs on my platform. I learned that SMART (Slackware 13.37) can be configured to warn when a drive is getting flacky and do error counts (knew that). This would allow me to throw in a replacement.
I recently discovered had experience with SanDisk 16GB and found that the manufacturer knew about a problem and did/has not found a fix, i.e. writing 4GB files to it will permanently make it read only and my experience was that on successive boots it would be registered or not.
Is there someplace where I can learn if a particular SSD is capable of the error count and demise warning? I presume some are in HCL but I have not found it to contain the info I am looking for let alone known problems.
 
Old 03-03-2013, 07:17 PM   #2
michaelk
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SMART functionality depends on the bridge chip and not all USB drives are supported. I do not think that flash drives are smart enough.

FWIW SSDs do support SMART and have an indicator of %life remaining.

http://sourceforge.net/apps/trac/sma...ed_USB-Devices
 
Old 03-04-2013, 03:57 AM   #3
waddles
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Using flash drives in lieu of hdd

Thanks!
Would you mind posting how U set up your smart.conf file for %life?
 
Old 03-05-2013, 04:51 PM   #4
jefro
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Do you mean to use sd/mmc/cf cards or do you mean usb flash?
 
Old 03-06-2013, 03:52 PM   #5
waddles
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Sorry Jefro, USB Flash Drive. The SanDisk Cruzer 16GB I got did not provide much info when I tried the smartmontools. I did not reformat it so that may be why but don't think so from what I've read. That FD is SOL cuz if written with 4GB file it goes permanently read only since 2011. Taking it back.
 
  


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