How to erase a SSD to restore factory performance in Linux?

Posted by Andy B on Server Fault See other posts from Server Fault or by Andy B
Published on 2013-10-22T21:29:29Z Indexed on 2013/10/22 21:55 UTC
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Due to big performance issues with an mdraid-1 array I'd like to pull down from the array one of the devices (Samsung 840 Pro), erase it to restore factory performance and re-add it to the array. The reason I want to do this to one of the SSDs is because the poor performance seems to be related to one specific SSD out of the two (although they are the same brand, model and firmware ver).

But how do I erase a SSD from Linux?

I mention that hdparm indicates that both drives are frozen at this time. Maybe because they are part of an md array?

Thanks in advance!

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