Path: csiph.com!weretis.net!feeder9.news.weretis.net!news.nk.ca!rocksolid2!i2pn2.org!.POSTED!not-for-mail From: D Newsgroups: comp.os.linux.misc Subject: Re: News : ARM Trying to Buy AmperComputing Date: Thu, 23 Jan 2025 16:53:46 +0100 Organization: i2pn2 (i2pn.org) Message-ID: References: <_hycnQxlN5kAphr6nZ2dnZfqn_SdnZ2d@earthlink.com> <198f4f8c-a0d0-7caf-b67e-1f61fee9de41@example.net> <35e42921-5781-8728-236f-afad1d3b56b1@example.net> <7258fd01-44f7-850d-3f69-54b93489f64d@example.net> <69ce04cf-80a7-7170-675f-4165ffedc92b@example.net> <4985abd5-ec8c-44da-0105-0778434959c0@example.net> <7b204573-ffba-79cc-e153-1dde4a00f2ad@example.net> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="8323328-341111370-1737647628=:16025" Injection-Info: i2pn2.org; logging-data="781134"; mail-complaints-to="usenet@i2pn2.org"; posting-account="w/4CleFT0XZ6XfSuRJzIySLIA6ECskkHxKUAYDZM66M"; X-Spam-Checker-Version: SpamAssassin 4.0.0 In-Reply-To: Xref: csiph.com comp.os.linux.misc:64699 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --8323328-341111370-1737647628=:16025 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8BIT On Wed, 22 Jan 2025, 186282@ud0s4.net wrote: > On 1/22/25 4:34 AM, D wrote: >> >> >> On Wed, 22 Jan 2025, The Natural Philosopher wrote: >> >>> On 21/01/2025 19:56, Rich wrote: >>>> For SSD's, writes occur to an "erased" flash block (typically much >>>> larger than a "disk sector" size used by the host) and given enough >>>> writes over a short enough timeframe the SSD controller can run out of >>>> "pre-erased" blocks to use, and when that happens write speed slows >>>> down to the rate that can be done when a "block erase" has to occur >>>> before the actual writes can hit the media.  Note that this "block >>>> erase" can also invove moving any partially used data sectors out of >>>> the block into another block, creating a "write amplification" >>>> situation as well. >>> >>> One of the best ways to gain speed and longevity is to buy an SSD that is >>> way larger than you need. So it always has empty blocks available. >>> >>> And can do the block erases in background >> >> Indutrial ssds do have spare space exactly in order to prolong lifetime. I >> think when ssds first came out, there was one vendor, STEC, if memory >> serves, that manufactured vastly over engineered drives in the beginning. >> They seemed to last forever. Then they learned of course, and started to >> reduce quality and lifetime to industry standards and of course the price >> as well. > > > Even today, a 'large' SSD is maybe 4tb while a large HDD is 16tb. > Tb-for-Tb the SSD is gonna be a lot more expensive too. This is the truth! > SO ... where do you NEED speed and where do you NEED economy/volume ? For my use case I need maximum economy/volume, so SSDs are out. --8323328-341111370-1737647628=:16025--