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From: Konstantin Lepikhov <lakostis@mmti.ru>
To: community@altlinux.ru
Subject: [Comm] Re: ransfer SCSI
Date: Wed, 10 Dec 2003 21:19:36 +0300
Message-ID: <20031210181936.GC3290@lks.home> (raw)
In-Reply-To: <3FD6F0C5.9050006@oilbase.chelny.ru>

Hi Nick!

Wednesday 10, at 01:09:09 PM you wrote:

> Shawkat Nizamov wrote:
> 
> >
> >>MegaRAID Model: LD0 RAID5 38924R
> >>нфа касающаяся мегараида -
> >>{v2.00.9 (Release Date: Thu Sep  4 17:49:42 EDT 2003)
> >>Controller Type: 438/466/467/471/493/518/520/531/532
> >>Controller is not using 64-bit memory addressing
> >>Base = f8a5e000, Irq = 20, Logical Drives = 1, Channels = 2
> >>Version E :B , DRAM = 32Mb
Т.е это не Elite?

> >
> >
> >
> >То есть RAID-5 _железный_, а не софтовый ?
> >
> Да рейд железный...
> 
> >>/dev/sda:
> >>Timing buffer-cache reads:   128 MB in  0.66 seconds =193.94 MB/sec
> >>Timing buffered disk reads:  64 MB in  1.58 seconds = 40.51 MB/sec
> >>И почемуто сдауется мне что это не правильно ;(
> >>Есть какие-нить мысли
> >
> >
> >
> >Есть. Может, контроллер не может работать на raid5 быстрее ??? Ведь 
> >raid5 требует порядочной загрузки процессора контроллера.
> 
> 
> Вот я тоже к этому склоняюсь, что он грузит процессор..., но почему так 
> сильно ;(
В megaraid используются либо процессоры от hitachi (у них очень сильная
арифметика) либо от intel (у которых она слабее). Может у вас intel? =)

-- 
WBR, Konstantin	      chat with ==>ICQ: 109916175
     Lepikhov,	      speak  to ==>JID: lakostis@jabber.org
aka L.A. Kostis       write  to ==>mailto:lakostis@pisem.net.nospam

...The information is like the bank... 			  (c) EC8OR



  parent reply	other threads:[~2003-12-10 18:19 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-10  5:56 [Comm] transfer SCSI Nick
2003-12-10  9:22 ` Shawkat Nizamov
2003-12-10 10:09   ` Nick
2003-12-10 10:14     ` Shawkat Nizamov
2003-12-10 10:28       ` Nick
2003-12-10 18:19     ` Konstantin Lepikhov [this message]
2003-12-10 10:10   ` Nick
2003-12-10 10:16     ` Shawkat Nizamov
2003-12-10 10:29       ` Nick
2003-12-10 10:30       ` Nick

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