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| Time: 17:34 EST/22:34 GMT | News Source: ActiveWin.com | Posted By: Byron Hinson | ||
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Mac Nano |
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Read Only Comments Return to News |
Displaying Comments 1 through 11 of 11 |
This is an archived static copy of ActiveWin.com. |
| #1 By 45679 (24.188.211.87) at Sunday, January 06, 2008 09:33:49 PM |
| Awesome if true. Would love a nano laptop. |
| #2 By 79018 (74.70.9.133) at Sunday, January 06, 2008 10:03:13 PM |
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Sometimes I think these Mac articles are posted here because no one views ActiveMac.
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| #3 By 7754 (75.72.153.112) at Monday, January 07, 2008 01:39:49 AM |
| Any bets on how Jobs will introduce them? MacBook Nano :"The first solid-state laptop"? "The first laptop to break the 10 hour battery barrier"? Mac Nano: "smallest computer ever"? |
| #4 By 2960 (72.196.195.185) at Monday, January 07, 2008 07:59:55 AM |
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#3,
Well, that wouldn't really work. Many of us remember and/or owned Tandy Model 100's and 102's many moons ago. TL |
| #5 By 61 (12.108.60.37) at Monday, January 07, 2008 09:12:53 AM |
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No way any of the SSD is true.
Who wants to run their OS (swapping and journaling included) on flash, which will be utterly destroyed by doing so. SSD is great for just storing the OS and other small files on, but it needs an actual harddrive to do fs journaling and swapping. |
| #6 By 7754 (206.169.247.2) at Monday, January 07, 2008 10:22:03 AM |
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#4: how about "today is the death of the hard drive"?
#5: why do you say that? I would think modern SSDs would be ideal for those very situations, less so for serial streaming (video, primarily). |
| #7 By 2960 (72.196.195.185) at Monday, January 07, 2008 11:17:20 AM |
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At today's costs, I don't think SSD is even close to being the death of the hard drive.
Show me 1TB of storage for $300, at the same speeds as a typical 7200 rpm drive, and then maybe. That is YEARS off. TL |
| #8 By 61 (12.108.60.37) at Monday, January 07, 2008 12:21:36 PM |
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#6, because flash has a limited number of times that you can write to it. With a journaling FS (which HFS+ does, as well as anything that is used today) and swap it will utterly destroy it.
Not to mention flash is only faster for handling small files. Large files still do much better on an actual hard drive. |
| #9 By 37 (66.188.104.250) at Monday, January 07, 2008 03:14:48 PM |
| AFAIK, HDD's are also limited to the number of times you can write to it before the eventually fail. |
| #10 By 7754 (206.169.247.2) at Monday, January 07, 2008 03:39:18 PM |
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#8, 9: I think with wear-leveling and other approaches, that limitation is really not that big of a deal, especially when the access times are so low. If the pagefile were written only to one area of the media over and over, I could see more reason for concern, but with distributed writes, I think you're far, far more likely to replace the drive before running into any issues with exceed the write capacity of the media.
As far as HDDs go, I think the problematic failures most often occur at the mechanical level rather than at the media level, since they will also mark bad clusters for non-use. |
| #11 By 92283 (142.32.208.232) at Monday, January 07, 2008 03:39:53 PM |
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SSD's have a controller that spreads out writes on the flash. They also makr parts of it bad when it fails the same way sectors are marked bad on hard drives.
SSD's will just get smaller (in terms of useable space) as time goes on. "The better Flash SSD manufacturers have two ways to increase the longevity of the drives. In the first way, a "balancing" algorithm is used. This monitors how many times each disk block has been written. This will greatly extend the life of the drive. The better manufacturers have "wear-leveling" algorithms that balance the data intelligently, avoiding both exacerbating the wearing of the blocks and "thrashing" of the disk: When a given block has been written above a certain percentage threshold, the SSD will (in the background, avoiding performance decreases) swap the data in that block with the data in a block that has exhibited a "read-only-like" characteristic. Second, should bad blocks occur, they are mapped out as they would be on a rotating disk. With usage patterns of writing gigabytes per day, each Flash-based SSD should last hundreds of years, depending on capacity. If it has a DRAM cache, it'll last even longer." |
