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Samsung 840 EVO read speed drops on old-written data in the drive - Page 124

post #1231 of 3279
Can anyone help me please smile.gif

I have a new 840 EVO ssd, empty, will be using ext4 on linux/fedora.
So if I understand it right I have to upgrade firmware with "Samsung SSD 840 EVO Performance Restoration Software" on a windows pc using NTFS format.
Is that it? Then reformat it to ext4 and voila.

many thanks!

found it.
Quote:
boot into Windows Vista, format the SSD with NTFS, run the program and re-store my rootfs and /home to the SSD.

Edited by traktor - 10/19/14 at 2:01pm
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post #1232 of 3279
Quote:
Originally Posted by inlandchris View Post

I have not looked into the firmware update but just by reading everybodys comments, if you run RAID 0 as a boot drive and Magician doesnt recognize the Raid by design, then I am thinking this firmware wont work for me. mad.gif
Well, that settles that, item #8 on instruction of performance pdf says it will not work on RAID0. mad.gif
Time to buy Sandisk Extreme Pro SSD and setup Raid0 with them. At least SanDisk will support their drives!
post #1233 of 3279
Quote:
Originally Posted by inlandchris View Post

Quote:
Originally Posted by inlandchris View Post

I have not looked into the firmware update but just by reading everybodys comments, if you run RAID 0 as a boot drive and Magician doesnt recognize the Raid by design, then I am thinking this firmware wont work for me. mad.gif
Well, that settles that, item #8 on instruction of performance pdf says it will not work on RAID0. mad.gif
Time to buy Sandisk Extreme Pro SSD and setup Raid0 with them. At least SanDisk will support their drives!

... Ok, look. In order for the firmware update to work, Windows needs to be able to identify the drive and talk with it, and Samsung's software has to match the device ID with one on it's supported list. If a RAID controller is in the way, Windows may not get the required information, because as far as Windows can tell, it is one drive.

Since Windows tells Samsung's sofware that there is one drive (with unknown ID because again, RAID controller), then Samsung's software does not recognize that one drive as a Samsung SSD, just as a generic hard drive. Crucial can do no better. Nor can anyone else. This is a limitation of the RAID controller and the way Windows works.

If you are using software RAID0 (eww) and your OS does detect both SSDs by their proper names, the software should work fine.

If Samsung Magician (the regular software) can not see your drives, then the problem is probably not the firmware updater. This is one of the risks of running RAID. You should have known this going in.
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post #1234 of 3279
I wonder if this RAID issue will be solved when that ISO disc image for Mac and Linux will be released at the end of this month. If the software on there works on the raw drive, without looking at any file system or partitions or whatever, it might work out fine.

You would take the disc image and burn it to a disc or put it onto a USB stick, then restart into the BIOS and switch the controller from RAID to AHCI, then boot from that disc/stick and update firmware on both drives and maybe run whatever speed-restore feature it has. Next step, you restart back into BIOS and turn RAID back on and everything will be fine.
post #1235 of 3279
Quote:
Originally Posted by KyadCK View Post

... Ok, look. In order for the firmware update to work, Windows needs to be able to identify the drive and talk with it, and Samsung's software has to match the device ID with one on it's supported list. If a RAID controller is in the way, Windows may not get the required information, because as far as Windows can tell, it is one drive.

Since Windows tells Samsung's sofware that there is one drive (with unknown ID because again, RAID controller), then Samsung's software does not recognize that one drive as a Samsung SSD, just as a generic hard drive. Crucial can do no better. Nor can anyone else. This is a limitation of the RAID controller and the way Windows works.

If you are using software RAID0 (eww) and your OS does detect both SSDs by their proper names, the software should work fine.

If Samsung Magician (the regular software) can not see your drives, then the problem is probably not the firmware updater. This is one of the risks of running RAID. You should have known this going in.
Thank you for a great response smile.gif
Now that I have calmed down and read your thread carefully, then maybe I will use one of my clone disk from the Raid and switch the SSD's to Achi instead of Raid in the bios, then boot off the clone and firmware the SSD's individually 1) Format them and do the performance update. 2) Do a secure erase in the bios, 3) put back the Raid. 4) restore a clone from one of my HDD drives or just do a restore from a backup, I think either or will do the trick.
Looks like an all day trick so I have to schedule some time to do it
Thanks again.
smile.gif
post #1236 of 3279

I have a Sony vaio svs. It can, as far as i know, only run in raid 0. I have upgraded it to one 750gb evo drive. Do i have to wait til Samsung release a firmware update through Magician, then make a backup and restore it? Or do the tool work in raid 0 as long as there is only only on dive?

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post #1237 of 3279
OK... so here's a really dumb question. For those that do RAID, why don't you just create a disk image with something like Macrium Reflect, XML Drive Image, or CloneZilla? Once you do that, un-RAID the drives and do the restoration manually on each drive, then once you're done doing that, restore the disk image you created and viola... you're done. It'll take maybe four hours to do so at most.

It can be done, you just have to take the time to do so.

I don't have a RAID setup myself, I find that the single SSD setup is more than adequate for my needs. It's faster than if I were on an old spinning hard drive, that's for sure! So for me, if it's faster than an HDD for my boot drive, I'm extremely happy.
Edited by trparky - 10/20/14 at 7:46am
post #1238 of 3279

What is the difference between Samsung's tool and those tools people have made? Do samsung just need to look cool or are there something they are not telling us? It seems the safest would be to wait for an firmware update though Magician and run one of these tools.

 

EDIT: My laptop can only run in raid 0.


Edited by G woodlogger - 10/20/14 at 8:17am
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post #1239 of 3279
Quote:
Originally Posted by trparky View Post

OK... so here's a really dumb question. For those that do RAID, why don't you just create a disk image with something like Macrium Reflect, XML Drive Image, or CloneZilla? Once you do that, un-RAID the drives and do the restoration manually on each drive, then once you're done doing that, restore the disk image you created and viola... you're done. It'll take maybe four hours to do so at most.

It can be done, you just have to take the time to do so.

I don't have a RAID setup myself, I find that the single SSD setup is more than adequate for my needs. It's faster than if I were on an old spinning hard drive, that's for sure! So for me, if it's faster than an HDD for my boot drive, I'm extremely happy.
Yes, I believed I mention that above but 4 hours, I think not...not with 4 SSD's
I have Acronis software that make clones and backups and you can create a bootable CD to restore your OS. Whether I use a restore of backup or clone back my Raid is where I am thinking now.
Edit: add times.
To be safe, I want to do a clone and a backup; clone= 2 hours, backup =1 1/2 hours. Reading comments from other users, about 30 min. to do firmware update/upgrade = 2 hours for 4 SSD's. Clone back or restore of backup = 2 hours. My clones and backups are on mechanical HDD which slows things down a lot.
All total is about 7 1/2 hours to do 4 SSD's, a days work.
Edited by inlandchris - 10/20/14 at 11:49pm
post #1240 of 3279
I applied the fix to my drive last night. Boot times are much faster now. Have not had a chance to test much else. Took about 2 hours total on a 1tb drive 50% utilized. The process hung at 40% for a while, but then started incrementing again after that.
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