Mike, I'm talking about a 1TB SSD option for some hardware we are buying. If you are really curious, I can ask the people who are doing the project for the model and specs.
Karl -----Original Message----- From: ext Michael McCandless [mailto:[email protected]] Sent: Monday, August 19, 2013 12:47 PM To: Lucene/Solr dev Subject: Re: Lucene tests killed one other SSD - Policeman Jenkins Er, which drives have write endurance only 70x? That's exceptionally low? I thought this was more like ~1000x for modern consumer SSDs? Mike McCandless http://blog.mikemccandless.com On Mon, Aug 19, 2013 at 12:35 PM, <[email protected]> wrote: > " Only 70 full writes seems a little bit low for an SSD." > > That's what I thought. I was astounded to learn that that is in fact correct > (at least for some of the drives we are using here). Automatic recovery is > how the SSD copes with this failure rate. > > But it is entirely possible that the cause of your problems are something > else. > > Karl > > -----Original Message----- > From: ext Uwe Schindler [mailto:[email protected]] > Sent: Monday, August 19, 2013 12:31 PM > To: [email protected] > Subject: RE: Lucene tests killed one other SSD - Policeman Jenkins > > Hi Karl, > > Only 70 full writes seems a little bit low for an SSD. This SSD has a > capacity of 64 Gigabytes so 53 Terabytes written is not bad for it. It > already had the first few errors, so you might be right, as you see from this > Smart data: > > 231 SSD_Life_Left 0x0013 096 096 010 Pre-fail Always > - 0 > > So this "arbitrary" counter just went down from 100 to 096. I have the > feeling that the current issues with this SSD are not really write problems, > more hardware interface or firmware problems (as seen quite often for OCZ > Vertex 2). Otherwise it would fail very early. According this data it should > survive more 10th of years? > > Uwe > > ----- > Uwe Schindler > H.-H.-Meier-Allee 63, D-28213 Bremen > http://www.thetaphi.de > eMail: [email protected] > > >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] >> Sent: Monday, August 19, 2013 5:07 PM >> To: [email protected] >> Subject: RE: Lucene tests killed one other SSD - Policeman Jenkins >> >> I am told that SSD's are spec'd for only 70 full writes before they >> get an error. The error block is set aside but eventually something >> critical gets hit. So you should probably should expect this to happen >> again. >> >> Karl > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] For > additional commands, e-mail: [email protected] > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
