Seagate Cheetah 15k.4 benchmarks making an appearance

Pariah

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Apr 16, 2000
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Seagate Cheetah 15K.4

Update: You can stop looking for reasons why this drive is performing far below user expectations baumerz. Not that any of the engineers would tell the janitor anyway. From the review conclusion:

"In fact, the glaring lack of improvements in overall performance is enough to make one wonder whether or not this review sample operates properly. When approached, however, Seagate frankly admits that the numbers borne out above represent the differences in performance that one may expect between the 15K.4 and its precursor. With its latest generation of 10K and 15K units, Seagate claims a greater-than-ever emphasis on reliability and implies that delivering the across-the-board improvements that some expect would compromise this goal."



SR has posted some benchmarks for the Cheetah 15k.4 as well as someone at 2CPU's forums. I guess the most interesting part is that SR has posted 2 sets of benchmarks, a desktop mode set and server mode set. Seagate has apparently decided to release a utility that allows you to optimize drives for usage. The server mode results are simply awful in the workstation benchmarks, while the desktop numbers are decent with 2 new records set, yet still disappointing when you see by how little. After seeing the Atlas 10k V benchmarks I had some high hopes for the next gen of 15k, yet it looks like Seagate has fallen on their face in this round basically running a dead heat with Maxtor's 10k offering. I'm glad I decided to bypass Seagate this round and switch over to Maxtor. The 15K II looks like it will be a much better performer.

15k.4 vs Atlas 10K V vs Fujitsu Mas3735 vs 15k.3

2CPU forum Seagate Cheetah 15K.4 147GB benchmarks

Edit:

The above link contains the benchmarks for desktop mode. If you want to see the abysmal server mode numbers you can browse SR's results yourself. While the server mode does perform better in server benchmarks, it is still oddly behind the previous generation 15k.3, which wasn't exactly leading the 15k pack to begin with. Not too impressive.
 

baumerz

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May 17, 2004
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If your comfortable with Maxtor's track record, go for it. Should probably wait for more reviews to become available though. All drives at that level are impressive to me I guess. If they hold up.
 

Sunner

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Oct 9, 1999
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Man, the Atlas 15K and MAS drives slaughter it.
Looks like an invite to HGST to climb up from the bottom performer spot.
 

Pariah

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Whoops, sorry, fixed the 2CPU link. The guy at 2CPU seems to think there is something wrong with the caching of the drive as it appears to be nothing at all. Maybe there is something wrong with the first batch of drives that Seagate sent out like the first set of Raptors WD sent out for testing.
 

baumerz

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May 17, 2004
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I am impressed with Fujitsu's drive also. Last I did any research on them (about 8 years ago) they were really bad. Glad to see they are a player. Does anyone know about their reliability? I have never heard anything bad I guess.

 

Pariah

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Originally posted by: baumerz
That's impossible! :) jk

All kidding aside, you don't think there is something wrong with this first batch of 15k.4's? I don't care who you work for, those numbers are disappointing. Especially the server benchmarks which went down from their previous generation. I can't ever remember a new SCSI drive being slower than it's predecessor in anything, let alone something as major as server bnechmarks.

As for reliability, SCSI is SCSI. You shouldn't have to worry about it. Maxtor's SCSI division came from Quantum and likely contains the same personnel, making any comparison to their ATA division a bit dubious.
 

GoSharks

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Originally posted by: baumerz
If your comfortable with Maxtor's track record, go for it. Should probably wait for more reviews to become available though. All drives at that level are impressive to me I guess. If they hold up.

Maxtor has an EXCELLENT track record w/scsi drives. in fact, all of the scsi hdd manufactures out there have great records in their respective scsi divisions.

and seagate has always had the workstation/server toggle available in their seatools. it is just recently that SR.com has been talking about it regularly though.
 

baumerz

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May 17, 2004
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I have no idea if there is anything with the first batch. But the results do seem to indicate something is wrong. Are these regular production drives or just some pre-released version? I don't know. I'll check on it.
 

Sunner

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Originally posted by: baumerz
I am impressed with Fujitsu's drive also. Last I did any research on them (about 8 years ago) they were really bad. Glad to see they are a player. Does anyone know about their reliability? I have never heard anything bad I guess.

We have craploads of Fujitsu's at work, Sun seems to love Fujitsu, and they're excellent drives IMO.
 

baumerz

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May 17, 2004
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Still checking on it. Preliminary is that early firmware may be geared more conservative for reliabilities sake or benchmarking set-up may have a problem.
 

imported_Phil

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Feb 10, 2001
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Originally posted by: baumerz
I'm such a company whore that I wouldn't believe the wonderful Seagate (Oh how I praise them) if they said that this drive was sucking because it sucks, instead of blaming firmwares.

Hmm, that's better.
 

sharkeeper

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Jan 13, 2001
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Fujitsu is excellent.

Something is fishy with the numbers. I was an early adopter to SEA 15.3 drives and had a similar experience. The MAS 15k's are rock solid and very, very fast and don't break a sweat when pushed hard at all.

I can't wait until the truck with MAU's arrives. :evil:

Cheers!
 

imported_Phil

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Feb 10, 2001
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Originally posted by: sharkeeper
Fujitsu is excellent.

Something is fishy with the numbers. I was an early adopter to SEA 15.3 drives and had a similar experience. The MAS 15k's are rock solid and very, very fast and don't break a sweat when pushed hard at all.

I can't wait until the truck with MAU's arrives. :evil:

Cheers!

I was playing with an entry-level server the other day with 4x MAS 74Gb 15k-ers in RAID5 (3+HS), and they're pretty damned fast.
However, a background Build with an Intel RAID card slowed things to a crawl (not that I was expecting it not to of course).
 

sharkeeper

Lifer
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However, a background Build with an Intel RAID card slowed things to a crawl (not that I was expecting it not to of course).

What model? The SRCU42X is pretty damned fast with those disks. That's what I use in my worksatan as a matter of fact.

It's to be expected when doing a rebuild. Want to really slow it down? Ghost your OS to a 4 drive R5 logical disk and convert that to a R0! Yes you can do it on the fly but boy does it thash like crazy. It's like running 128MB RAM, defragging and virus scanning and opening a 700MB highly compressed JPEG in PS all at once - and that is with the machine doing nothing!

You know it's slow when you reboot and you see that white loader bar (like 2000) before the XP splash screen starts.

Cheers!
 

imported_Phil

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Feb 10, 2001
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Originally posted by: sharkeeper
However, a background Build with an Intel RAID card slowed things to a crawl (not that I was expecting it not to of course).

What model? The SRCU42X is pretty damned fast with those disks. That's what I use in my worksatan as a matter of fact.

It's to be expected when doing a rebuild. Want to really slow it down? Ghost your OS to a 4 drive R5 logical disk and convert that to a R0! Yes you can do it on the fly but boy does it thash like crazy. It's like running 128MB RAM, defragging and virus scanning and opening a 700MB highly compressed JPEG in PS all at once - and that is with the machine doing nothing!

You know it's slow when you reboot and you see that white loader bar (like 2000) before the XP splash screen starts.

Cheers!

I don't remember the exact card, but it's an Intel PCI-X card with no connectors, and the board routes SCSI traffic through it to provide RAID features.
It's a bit of a weird way of doing things, and the cards aren't very reliable (hence the large pile of faulty ones at work).