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News Archive for: Monday April 13, 2009
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Follow-up from 2009 Mac Pro owner on OCZ Vertex SATA II 120GB SSD Performance
(Follow-up to a post last Monday from a 2009 Mac Pro owner on his OCZ Vertex SATA II 120GB SSD)

"OCZ Vertex 120GB performance over time:
Here's my experience with my 120GB SSD for reference.
Xbench Disk test of stock (OEM WD) 640GB disk drive:
Disk Test 76.91
Sequential 148.78
(Score and MB/sec)
Uncached Write 172.31 - 105.80 MB/sec [4K blocks]
Uncached Write 172.52 - 97.61 MB/sec [256K blocks]
Uncached Read 103.06 - 30.16 MB/sec [4K blocks]
Uncached Read 179.14 - 90.04 MB/sec [256K blocks]
Random 51.86
Uncached Write 17.87 - 1.89 MB/sec [4K blocks]
Uncached Write 229.88 - 73.59 MB/sec [256K blocks]
Uncached Read 94.15 - 0.67 MB/sec [4K blocks]
Uncached Read 161.16 - 29.90 MB/sec [256K blocks]

Xbench of OCZ Vertex FW 1275 (120GB SSD) the day I got it:
Disk Test 276.06
Sequential 234.92
Uncached Write 434.07 - 266.51 MB/sec [4K blocks]
Uncached Write 354.39 - 200.51 MB/sec [256K blocks]
Uncached Read 105.31 - 30.82 MB/sec [4K blocks]
Uncached Read 415.71 - 208.93 MB/sec [256K blocks]
Random 334.66
Uncached Write 117.09 - 12.39 MB/sec [4K blocks]
Uncached Write 624.19 - 199.83 MB/sec [256K blocks]
Uncached Read 2897.42 - 20.53 MB/sec [4K blocks]
Uncached Read 682.86 - 126.71 MB/sec [256K blocks]

Vertex SSD one week later, after using the disk and getting it almost full a couple of times, but having about 40GB of space free normally:
Disk Test 157.16
Sequential 126.03
Uncached Write 83.15 - 51.05 MB/sec [4K blocks]
Uncached Write 141.00 - 79.78 MB/sec [256K blocks]
Uncached Read 100.68 - 29.46 MB/sec [4K blocks]
Uncached Read 372.03 - 186.98 MB/sec [256K blocks]
Random 208.72
Uncached Write 79.58 - 8.42 MB/sec [4K blocks]
Uncached Write 215.16 - 68.88 MB/sec [256K blocks]
Uncached Read 1615.57 - 11.45 MB/sec [4K blocks]
Uncached Read 750.74 - 139.31 MB/sec [256K blocks]

And Xbench results after Cloning the SSD Vertex, flashing to Firmware 1.10 (in Windows 64), (firmware update and guide linked on OCZ's Vertex SSD page, although not on their OCZ Vertex Series Mac Edition SATA II 2.5" SSD page.-Mike) and restoring:
Disk Test 262.14
Sequential 220.78
Uncached Write 362.55 - 222.60 MB/sec [4K blocks]
Uncached Write 345.93 - 195.72 MB/sec [256K blocks]
Uncached Read 99.57 - 29.14 MB/sec [4K blocks]
Uncached Read 412.32 - 207.23 MB/sec [256K blocks]
Random 322.57
Uncached Write 112.00 - 11.86 MB/sec [4K blocks]
Uncached Write 542.40 - 173.64 MB/sec [256K blocks]
Uncached Read 2397.44 - 16.99 MB/sec [4K blocks]
Uncached Read 825.49 - 153.18 MB/sec [256K blocks]

So an SSD that has been filled and then emptied without TRIM is about 42% slower than flash-fresh in my case. (TRIM is a command that wipes invalid flash blocks from deleted files, not just updating the file allocation table to show those blocks free.-Mike)
But it's still faster than the stock HDD. And it really feels faster.
I hope OCZ gets the TRIM tool working in OS X soon (it's Windows 32 only now.)
(I asked about the comment on an OS X TRIM tool-Mike)
I'm 99% certain there will be an OS X tool. They announced a mac version of the Vertex over the weekend.
-Tom H."

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$899 20in iMac (2GHz C2D/1GB ram/160GB HD/Nvidia 9400M/Superdrive) for Educational Institutions
I'm sure you've already seen this (posts all over the web today) but Eddie sent a note/link on Apple's $899 20in iMac (2GHz C2D, 1GB ram, 160GB HD, Nvidia 9400M, Superdrive) for educational institutions (ref: this April 7th, 2009 EDU product addendum (PDF), which also includes 2009 Xserve model and accessories.) The 20in iMac model apparently replaces the plastic 17in iMac offering from earlier this year.
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Another review of 2009 Mac Pro (8-core 2.93GHz and 2.26GHz)
Infoworld has posted their review of the 2009 Mac Pro titled "Mac Pro: The perfect workstation", giving it an overall score of 9.3 out of 10. (Author is clearly a big fan of the new machine and the title makes it a sure thing to be linked on Apple's news page.)
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Another reminder on Sonnet SATA Card 2.1.7 firmware update problems w/PPC Macs
Late posting this mail from last Wednesday (this issue came up shortly after Sonnet posted the firmware update - ref: Feb. 18th news page post on G5 tower owners report problems after Sonnet Tempo SATA Card Firmware Update - generally seems an issue w/PPC Macs, not intel-based Macs. I also posted another reminder in the Feb. 26th news as a warning to PPC Mac owners.)

"Subject: Sonnet Tempo eSATA 4+4 firmware 2.1.7 in G4
I have just updated the firmware for the Sonnet Tempo eSATA 4+4 to 2.1.7boot ROM and alas, as other users, I was also hit with no copy, no paste, no spotlight, no drag and drop at all. (same issues other PPC mac owners reported back in Feb.) I needed to run the update as system was not stable under 10.5.6 with the old ROM. I have the card in a PowerMac G4 1.53Ghz. Good news is just two drives in RAID stripe can deliver over 200MB/s sustain read and write; even with the older 64bit 33Mhz PCI architecture! The old G4 tower is slowly being turned into a 6TB file server - it was running perfectly until the firmware update. I will have to post a proper review of the process with pics soon.

I tried setting up another account with no luck. However, if I login in as the Root User, all functionality is returned. I only wish I had backed up before the firmware update - that will teach me! I have tried deleting just about everything that normally causes this type of issue: preferences, startupitems etc but no closer. At least I will be able back things up under Root user!

The only way round seems a full reinstall! So to all other readers: backup before this firmware update.
-Alec B."

He also cc'd me on a mail to Sonnet Tech support on this (w/ASP info file attached). I asked he report back when Sonnet TS replies. (original comments implied this was rare, but I've had several PPC mac owners report this problem after the 2.1.7 update and can't recall any PPC mac users that didn't see this problem.) I was hoping by now they've have addressed this or included a warning to PPC mac users.
(Update- the next day he sent a note that sonnet TS had given him a 2.1.8 beta update that seems to have solved the problems.)

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