From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Tue, 30 Sep 2003 10:21:01 +0300 From: Alexey Berezkin X-Mailer: The Bat! (v2.00.6) Business Organization: Newspaper "Kreschatic" X-Priority: 3 (Normal) Message-ID: <13688527285.20030930102101@kreschatic.kiev.ua> To: Konstantin Lepikhov Subject: =?koi8-r?B?UmU6IFtDb21tXSBSZTog08vP0s/T1NggcmFpZCA1?= In-Reply-To: <20030929170010.GB4973@lks.home> References: <447676348.20030929115343@kreschatic.kiev.ua> <20030929170010.GB4973@lks.home> MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Transfer-Encoding: 8bit X-BeenThere: community@altlinux.ru X-Mailman-Version: 2.1.2 Precedence: list Reply-To: community@altlinux.ru List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Sep 2003 07:21:17 -0000 Archived-At: List-Archive: List-Post: Hello Konstantin, Monday, September 29, 2003, 8:00:10 PM, you wrote: KL> Hi Alexey! KL> Monday 29, at 11:53:43 AM you wrote: >> Hello community, >> >> Есть железяка, gateway 8200 с контролером aic7890 и ami megaraid. 4 >> диска segate cheetah в raid 5. Как я понимаю непрерывный трансфер >> должен быть порядка 40-50Мb/s. Хотя hdparm дает следующее: >> #hdparm -tT /dev/sda >> >> /dev/sda: >> Timing buffer-cache reads: 492 MB in 2.00 seconds = 246.00 MB/sec >> Timing buffered disk reads: 26 MB in 3.16 seconds = 8.23 MB/sec >> >> Помогите разобраться с этой проблемой, или наставте на путь истинный. >> P.S. Кусок dmesg в атаче. KL> irq conflict? Плохая терминация? Какой размер кеша на megaraid? KL> например, с MegaRAID Elite 1600 след. картина: KL> root@cedar ~# hdparm -tT /dev/sda KL> /dev/sda: KL> Timing buffer-cache reads: 864 MB in 2.00 seconds = 432.00 MB/sec KL> Timing buffered disk reads: 186 MB in 3.01 seconds = 61.79 MB/sec KL> root@cedar ~# KL> root@cedar ~# cat /proc/megaraid/0/config KL> MegaRAID Elite 1600 KL> Controller Type: 438/466/467/471/493 KL> Controller Supports 40 Logical Drives KL> Controller / Driver uses 64 bit memory addressing KL> Base = f8825000, Irq = 21, Logical Drives = 1, Channels = 2 KL> Version =G170:F316, DRAM = 128Mb KL> Controller Queue Depth = 254, Driver Queue Depth = 126 KL> правда у меня raid10 Спасибо, что ответили на мое письмо. Конфиг привожу: # cat /proc/megaraid/0/config Controller Type: 418/428/434 Base = 00002810, Irq = 9, Logical Drives = 1, Channels = 3 Version =Xl75:1.42, DRAM = 4Mb Controller Queue Depth = 254, Driver Queue Depth = 126 По поводу irq есть ругань acpi: ACPI: have wakeup address 0xc0001000 On node 0 totalpages: 32768 zone(0): 4096 pages. zone(1): 28672 pages. zone(2): 0 pages. ACPI: Unable to locate RSDP ACPI: Subsystem revision 20021122 PCI: PCI BIOS revision 2.10 entry at 0xfd95e, last bus=2 PCI: Using configuration type 1 ACPI: System description tables not found ACPI-0066: *** Error: Acpi_load_tables: Could not get RSDP, AE_NOT_FOUND ACPI-0116: *** Error: Acpi_load_tables: Could not load tables: AE_NOT_FOUND ACPI: Unable to load the System Description Tables PCI: Probing PCI hardware PCI: ACPI tables contain no PCI IRQ routing entries PCI: Probing PCI hardware (bus 00) PCI: Using IRQ router PIIX [8086/7110] at 00:02.0 PCI: Cannot allocate resource region 4 of device 00:02.1 Limiting direct PCI/PCI transfers. Как я понимаю проблемма скорее всего в этом. -- Best regards, Alexey