Hi, small update:
in 3 months - we lost 5 out of 6 Samsung 128Gb 850 PROs (just few days in between of each SSD death) - cant believe it - NOT due to wearing out... I really hope we got efective series from suplier... Regards On 18 April 2015 at 14:24, Andrija Panic <andrija.pa...@gmail.com> wrote: > yes I know, but to late now, I'm afraid :) > > On 18 April 2015 at 14:18, Josef Johansson <jose...@gmail.com> wrote: > >> Have you looked into the samsung 845 dc? They are not that expensive last >> time I checked. >> >> /Josef >> On 18 Apr 2015 13:15, "Andrija Panic" <andrija.pa...@gmail.com> wrote: >> >>> might be true, yes - we had Intel 128GB (intel S3500 or S3700) - but >>> these have horrible random/sequetial speeds - Samsun 850 PROs are 3 times >>> at least faster on sequential, and more than 3 times faser on random/IOPS >>> measures. >>> And ofcourse modern enterprise drives = $$$$... >>> >>> On 18 April 2015 at 12:42, Mark Kirkwood <mark.kirkw...@catalyst.net.nz> >>> wrote: >>> >>>> Yes, it sure is - my experience with 'consumer' SSD is that they die >>>> with obscure firmware bugs (wrong capacity, zero capacity, not detected in >>>> bios anymore) rather than flash wearout. It seems that the 'enterprise' >>>> tagged drives are less inclined to suffer this fate. >>>> >>>> Regards >>>> >>>> Mark >>>> >>>> On 18/04/15 22:23, Andrija Panic wrote: >>>> >>>>> these 2 drives, are on the regular SATA (on board)controler, and beside >>>>> this, there is 12 x 4TB on the fron of the servers - normal backplane >>>>> on >>>>> the front. >>>>> >>>>> Anyway, we are going to check those dead SSDs on a pc/laptop or so,just >>>>> to confirm they are really dead - but this is the way they die, not >>>>> wear >>>>> out, but simply show different space instead of real one - thse were 3 >>>>> months old only when they died... >>>>> >>>>> On 18 April 2015 at 11:55, Josef Johansson <jose...@gmail.com >>>>> <mailto:jose...@gmail.com>> wrote: >>>>> >>>>> If the same chassi/chip/backplane is behind both drives and maybe >>>>> other drives in the chassi have troubles,it may be a defect there >>>>> as >>>>> well. >>>>> >>>>> On 18 Apr 2015 09:42, "Steffen W Sørensen" <ste...@me.com >>>>> <mailto:ste...@me.com>> wrote: >>>>> >>>>> >>>>> > On 17/04/2015, at 21.07, Andrija Panic >>>>> <andrija.pa...@gmail.com <mailto:andrija.pa...@gmail.com>> >>>>> wrote: >>>>> > >>>>> > nah....Samsun 850 PRO 128GB - dead after 3months - 2 of >>>>> these >>>>> died... wearing level is 96%, so only 4% wasted... (yes I know >>>>> these are not enterprise,etc… ) >>>>> Damn… but maybe your surname says it all - Don’t Panic :) But >>>>> making sure same type of SSD devices ain’t of near same age and >>>>> doing preventive replacement rotation might be good practice I >>>>> guess. >>>>> >>>>> /Steffen >>>>> >>>>> _______________________________________________ >>>>> ceph-users mailing list >>>>> ceph-users@lists.ceph.com <mailto:ceph-users@lists.ceph.com> >>>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> Andrija Panić >>>>> >>>>> >>>>> _______________________________________________ >>>>> ceph-users mailing list >>>>> ceph-users@lists.ceph.com >>>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>>>> >>>>> >>>> >>> >>> >>> -- >>> >>> Andrija Panić >>> >> > > > -- > > Andrija Panić > -- Andrija Panić
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