The rest of that cost is obviously to make the memory and wear leveling much better. item 2 HITACHI 600GB 10K SAS 2.5" 6Gb/s SAS HDD HUC106060CSS60 1 -, HITACHI 600GB 10K SAS 2.5" 6Gb/s SAS HDD HUC106060CSS60.

Now the question is how much of a performance boost do you see between the following two types: I know it might depend on our workloads, but wanted to hear from spiceheads in this group who already did that and if they had seen any performance gains after migrating from SAS 15K drives to SATA/SAS  SSD's. ��/�y������x I don't have raw numbers and it's been sometime since we moved production VMs to SSD drives. Any other suggestions are welcome, Thanks for your time. 2) Need the extreme capacity that spinning rust provides (aka, you can't afford it). 0000001366 00000 n The added power of the Cheetahs is dissipated as heat which has to be removed by air conditioning with an average COP of about 3. �h��@��xGP�����&2�fxW/���C.-d�D�7|j�Y��ک����%�HY�r��=6r�L�xr+Ԙ��ρ\^�m�{ĹD�`b�q�-���o�v����^y�3W�܌�\Ğ�U���8-t��|� ν��� ,�;v��*�r�ܗK�GqR}�}��;y�ط�(��t��L�Bs�xF�#� Some are designed for read-intensive use, some for write-intensive use, and some for balanced use.Gregg. You gotta pay for RAID controllers, HBAs and SAS expanders. H�@u��2j�o���šCm� D�WA��*��86�����ۤ�.�$7m�\��N4LL�}\�#�-eW��d�QÍ�n���sҰr�f�n��x� >ҭ�}��Wu�>���I���ꬾ'�a�m^�OqL�%���se��?�����x�Z5���O�/>��m�� ��i� p������_�a�P6Į7�L��z������x�!xW��ʡ �3��"�JXPeA#�҆3U��_�J�S�B� �D�Z'�^H���Q�=�77f��p��L�k-���dg@hF��Pt�i+����.��9�4� �hg'�s��a:���n{/���^+��_ J���#B��wք�z��+�.r`�� L۸�� TIi^bO���^����Þ~u��/$����OSB"t��j�n��5%ީ�(��������nȡ#��J��]�O,�Rt^�,"3;xm�����Z���(�S�˔բq���=[{:�AS��@>

Plus, you don't have to worry as much about a puncture with SSDs so it's going to save you physical disks. Systems here you are  trying to add 60 drives into a system. In my experience, even high quality 15k SAS fail simply because they're crammed into a chassis in a room that does not have ADDITIONAL cooling. 0000072422 00000 n Adding more throughput to SAS matters more for heavily oversubscribed chassis. Jun 16, 2020 at 21:28 UTC. With the cost of SSD's having come way down over the last couple of years, there really is no reason to even consider 15K HDD's anymore. 1. Well I don't know the exact models of disks that they use for SSDs but the SATA spinning rust they use is generally pretty much junk.,,,,,, For 2-3 years a Dell server with 3 or more RI SSD in RAID 5 will cost less than the same server using 10K SAS in RAID 10 for the same usable capacity. ... Make Offer - Dell 342-0427 146GB 15K 2.5" SAS 6Gbps Hard Drive HDD. H��WɎ$� ��W�y���v (��00������X20������#))���n�(de�R��{�e �����Ñ�5z��nuf�ne�u?v{;d�� ��� ��TchH�fC�.5���|VU���Q���Wc��]��}S�gf�l��睯�0�j������?�7C���H�?E�����_o" C $46.14. endstream endobj 29 0 obj <>stream The actual failure rates will depend on environment as much as manufacturing, and SAS drives are generally used in better controlled environments, so have lower replacement rates than SATA, which are used in pretty much anything. 2. 0000001690 00000 n Even with 6Gbps SATA SSD's, vs 12Gbps SAS HDD's, your IOPS performance is going to be orders of magnitude higher with the SSD's. Going from spinning SAS to SSD SAS has made an incredible difference. How come Dell covers only for max of 3 years warranty on SATA SSD's  ? All OEMs use pretty much the cheapest equipment that will get them reliably through to the end of the warranty. Free shipping.

All rights reserved. View cart for details. No significant change in performance was measured or detected by the users. Get the item you ordered or your money back. The interface card is of nominal cost. 0000146854 00000 n

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But for sure with SSDs the storage most likely will not be the bottleneck. startxref 1. Something went wrong. C $59.32. (or CPU or Ram, again - depending on the workload). :D, First thing to consider is how often you turn over your systems and if you care about Warranty. �)�I� The later seems expensive for us. 0000084693 00000 n *�~�� �>�p�^��U�o�|A��efh���=��[E�V��+ǵ�����d��' sT�f�M���e�e>:U~8���P�Z]�Ғ�a_�.�"CZǸ�. %PDF-1.4 %���� To see which one fits our needs. 又、sata、sasともに大きさの違いから3.5インチ、2.5インチという2つの規格があります。 sataは一般的なhddで、個人向け量販店で販売されているhddはほぼこの規格です。 I did notice that bare metal restore was a little faster on the Cheetahs.

"In my experience, YES, the SATA drive failure rate is much higher than SAS drives.Heck, I remember when Dell only covered a SATA drive for ONE year. If we go with SATA SSD what type RAID you reccomend ? 0000146189 00000 n

I doubt you're getting a '5DWPD' equivalent SATA SSD with a white label on it, even if you spend extra for it. by 0000003140 00000 n A �� 0000084891 00000 n My guess is Dell is just using the OEM warranties. �99 0000061882 00000 n 0000026066 00000 n 最新のFUJITSU Server PRIMERGYの周辺機器をご紹介しています。各周辺機器に対する適用機種・適用OSの情報を始め、価格情報、簡単な仕様の説明を掲載しています。また、お薦めの周辺機器の情報も掲 … h�T�=o� �w~ō�:�]K�J��:�N��"Հ�x�/+U���x8~�Ͻw �;3`��yK����'�i�:����f�xےp��@J�?rqI���y���"9?���|~�İ���3���#�_�����/w�"B[�f8X\�6H�O� dwT��������:�oM��)D6Lv]��aU\��by��]��/���J���*Z�r響!�rد bvl� At this point without a crossbar I can get a few hundred TB of Flash so I'd argue this is a  spacious article at best. 0000002271 00000 n Which speeds and IOPS may be expected with SAS-5? Your bottlenecks may be elsewhere. 0000002908 00000 n なお、同店では、回転数10,000rpmの新モデル「Savvio 10K.5」も販売されている。 実売価格は600GBの「ST9600205SS」が40,800円、300GBの「ST9300605SS」が25,800円。 So, the total difference in power consumption for that array runs between 90 and 130 watts. �y��E�E�%�)z Checking for a new Dell server for SMB. 0000169625 00000 n �2P��E�T 5�AaX|����� 1�;���y�p�A�5%�싫>�M�0�s%��v0�� (If you buy a new server with 10 SATA SSDs and extend the warranty to 5 years, the disk warranty expires at 3 years. Go a step further and you can consider SAS SSD drives. 0000003439 00000 n trailer Or did you only refer to SAS-1, ignoring the fact that I obviously referred to SAS-4 while most SAS controllers today are either SAS-2 or SAS-3? The other thing about 15k SAS is that they're EXCEPTIONALLY hot.

The HBA's are pretty stable, but the amount of regressions from trying to introduce seemingly simple things (like SAS buffering)  for RAID controllers and SAS expanders has just been embarrassing. - 主な違いの比較 ... sasハードドライブには10kと15kの2種類があります。 Kは時間単位当たりの回転数を表す。言い換えれば、それに応じて1分あたり10000と15000回転があります。 sasのディスク範囲は300gbから900gbまで異なります。 Also keep in mind the TYPE of SSD you get. Get the item you ordered or your money back. There's really no reason to use spinning rust for anything anymore unless you either 1) Simply cannot afford it. That's not something SATA can do. (a) SAS has SCSI conversion layer NVMe doesn't have (overhead! f�E��("�fAISܹ��j? 0000163353 00000 n eBay Money Back Guarantee. Copyright © 1995-2020 eBay Inc. All Rights Reserved. <<398E22662AF21546AA8A86C39577DCB2>]/Prev 186066>>

I wouldn't call that history. なお、同店では、回転数10,000rpmの新モデル「Savvio 10K.5」も販売されている。 実売価格は600GBの「ST9600205SS」が40,800円、300GBの「ST9300605SS」が25,800円。 You've got server chassis and hyperscalers who have systems, or OEM's who need bigger capacity for older chassis and this  is backwards compatible. Scaling SCSI isn't free. xref SPR1 0000002022 00000 n Are you offering free JBOD upgrades/replacements to NVMe capable ones? 0000145844 00000 n SSDs aren't new tech anymore. I don't see any serious business cases for SAS over NVMe going forward outside of maybe some niche hyper-scale use cases for a few reasons. If budget allows for it, I would highly recommend. 00AJ096 300GB 10K SAS 6Gbps 2.5型 HS Gen3 HDD F区分 適合 00AJ091 600GB 10K SAS 6Gbps 2.5型 HS Gen3 HDD I区分 適合 00AJ071 900GB 10K SAS 6Gbps 2.5型 HS Gen3 HDD I区分 適合 00AJ146 1.2TB 10K SAS 6Gbps 2.5型 HS Gen3 HDD J区分 適合 00AJ111 146GB 15K SAS 6Gbps 2.5型 … All our old servers had SAS 10K or 15K drives. There is basically no use case anymore where 10K or 15K SAS is better than SSD. You ignore operational latency with your rampage sales pitch and latency this is where all the magic happens, if you focus on bandwidth you just pack tons of LTO8 tapes and drop them from the roof - nobody is going to beat you up. Speaking from the perspective of one of the largest OS vendors on the planet, and someone with a billion dollar run rate in the storage business who's code runs on bare metal in every major public cloud.... No. Copyright ©2018Impress Corporation. %%EOF �g D+�>{���� R���͋c�bXv�'z���7G+���U�B���6������Swg����C-��;o) Even 1DWPD SATA SSDs are likely going to outperform 15k SAS spinning rust in latency and match them in throughput when you setup a RAID on a good controller. When SSTA SSD is cheaper, faster, and more reliable, SAS … For old SAS 15K drives we used  RAID 10 .

0000084333 00000 n I made an excel sheet with some price comparison for the Hard drives while spec'ng out the Dell server.

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