Archival Storage
Recent assessment over the state of things, I'm running 10TBytes of
HDDs: Five TBye HDD or at once and in addition from a backup reserve. Everything, all the way to a couple of Seagate 200G drives, even a pair of 250G WD Caviers. The latter, although the Seagates are by no means either immune, were not perfect serial# matches in the only unsuccessful RAID array I've attempted, and may be operational abominations if not worse. I'll give them a shot at redemption once more and soon enough: My only two egregious instances of W.D. I can recall. For placement reference purposes, all the above occur a decade and highly likely longer ago. Then comes the next generation, only one survivor, of two, in a sub-1T, 500G class WD of unusual proven merit;- it's 750G relative, though I'd marked bad, I once tried again to power up, but couldn't and tossed to a dumpster yesterday. Leaving a residual half a dozen or so mixed 1.5T and 2T HDD class drives. All date back over five years likely approaching ten. Most I'd have bought just before the infamous Asian Tsunami, some mark for a demarcation of decline in subsequent production quality of HDDs after. Prices then had dropped near to what a low budget sale model now runs, at 1T to 2T for near or under $50 new for some regard or skewed to an HDD suited archival purposes. Interesting aspect I noticed in some related archival notes is a state of stasis and how that effects SDDs. A SDD left with storage media, unattended and unpowered over an extended period, risks losing its coherency from a degenerative charge state to maintain the continued integrity of its storage cells. Can't say if there are further side-effects, whether subsequent power restoration and the rewrite then would occur at a normal optimal. As well I found mention of adverse power cycling on SDDs, (sic) found more or less due to interruption from power grids, as an lower indication of longevity, I'll assume even over mechanics, given a manufacturer rating for MTBF on the SSD. Still, I doubt any mechanical drive stored extensively either may be uncategorically regarded for being unscathed upon retrieval. That it is, still, not at all a lessor factor for cash outlay to play this game of significance, for any presume rights advanced over the Midas storage capacity. - When the legions of Tacitus observed the aristocracy defecting, at the onslaught of rams placed to inner second-wall of Jerusalem, and going through their excrement for ingested golden coins, he issued strict orders they were not to be ensnare and atrociously mutilated by first opening their bellies in search of pillage. Orders which the legions by in large ignored. |
Archival Storage
On 6/20/2018 1:20 AM, Flasherly wrote:
Recent assessment over the state of things, I'm running 10TBytes of HDDs: Five TBye HDD or at once and in addition from a backup reserve. Everything, all the way to a couple of Seagate 200G drives, even a pair of 250G WD Caviers. The latter, although the Seagates are by no means either immune, were not perfect serial# matches in the only unsuccessful RAID array I've attempted, and may be operational abominations if not worse. I'll give them a shot at redemption once more and soon enough: My only two egregious instances of W.D. I can recall. Don't give up those sub-500G hard disks. They possibly are a lot more reliable than these new terabytes hard disks. Try your best to extend their life maybe. :) -- @~@ Remain silent! Drink, Blink, Stretch! Live long and prosper!! / v \ Simplicity is Beauty! /( _ )\ May the Force and farces be with you! ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3 不借貸! 不詐騙! 不*錢! 不援交! 不打交! 不打劫! 不自殺! 不求神! 請考慮綜援 (CSSA): http://www.swd.gov.hk/tc/index/site_...sub_addressesa |
Archival Storage
On Fri, 29 Jun 2018 00:44:58 +0800, "Mr. Man-wai Chang"
wrote: Don't give up those sub-500G hard disks. They possibly are a lot more reliable than these new terabytes hard disks. Try your best to extend their life maybe. :) And they don't come cheap, either, while still variously offered from sales site. The reality, though, is they don't click anymore for market geared to minimum production of 1T HDD as an entry point. Less is a crap shot when considering any connection to the industry and an actual relevance to the product. Reliable = don't buy the one where the same price buys two. |
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