Does 345 power_on_hours seem like "old age" Not happy. Thanks for the CEPH tip.
On Sat, Jul 21, 2018, 11:30 PM Jonathan Engwall < engwalljonathanther...@gmail.com> wrote: > I built up a couple r610 dells with the idea that they would boot from ssd > through a usb external drive. The cheap external drives might be the real > culprits. I have to think about that. > The latest drive to fail was a Kingston and I think it was new. > There is a write limit on some ssds? > Lately I have been building trying to crosscompile the cray xmp simulator. > It has thousands of targets. But earlier this week afterI installed > openvswitch was when the trouble began. > Jonathan Engwall > > On Sat, Jul 21, 2018, 10:44 PM John Hearns via Beowulf < > beowulf@beowulf.org> wrote: > >> I forgot the main purpose of the Internet. My bad. >> >You don't say for which purpose the SSDs are being used. >> Storing cat pics? >> >> On 22 July 2018 at 07:41, John Hearns <hear...@googlemail.com> wrote: >> >>> You don't say for which purpose the SSDs are being used. >>> In your laptop? >>> As system disks in HPC compute nodes? >>> Journalling drives in a parallel filesystem? >>> Data storage drives in a parallel filesystem? >>> >>> Over on the CEPH mailing list there are regular topics on choice of >>> SSDs. I would advise going over there and asking the same question. >>> >>> Also you don't say how they are failing. >>> Are these consumer grade drives or data centre grade drives? >>> Consumer drives have much, much lower 'drive writes per day' >>> >>> Two jobs ago I would have said the go-to data centre drives were Intel. >>> >>> Also one comment specific to HPC. I found that SSD drives dont 'get >>> sick' like spinning drives, >>> ie you dont see syslog messages about blocks failing to be read/written. >>> They just fail. >>> Also two jobs ago I though that SMART checks were not picking up failing >>> SSDs. >>> I believe that you can monitor them if you choose the correct counters. >>> Anyone? >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> On 22 July 2018 at 07:32, Jonathan Aquilina <jaquil...@eagleeyet.net> >>> wrote: >>> >>>> What Ones are you currently getting? >>>> >>>> Sent from my iPhone >>>> >>>> > On 22 Jul 2018, at 05:42, Jonathan Engwall < >>>> engwalljonathanther...@gmail.com> wrote: >>>> > >>>> > I am not happy with the SSDs I am using. I am buying another sad >>>> every couple weeks. >>>> > Fast sure, but my productivity right now is zero. >>>> > Are there any recommendations on reliable ssd brands? >>>> > Jonathan Engwall >>>> > _______________________________________________ >>>> > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin >>>> Computing >>>> > To change your subscription (digest mode or unsubscribe) visit >>>> http://www.beowulf.org/mailman/listinfo/beowulf >>>> >>>> _______________________________________________ >>>> Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin >>>> Computing >>>> To change your subscription (digest mode or unsubscribe) visit >>>> http://www.beowulf.org/mailman/listinfo/beowulf >>>> >>> >>> >> _______________________________________________ >> Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing >> To change your subscription (digest mode or unsubscribe) visit >> http://www.beowulf.org/mailman/listinfo/beowulf >> >
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