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Re: Gode råd om antal diske i RAID5

 

Keld Jørn Simonsen wrote:
Den Mon, 12 Jul 2004 22:26:51 +0200. skrev Baldur Norddahl:



Jeg har ikke nogen erfaring med software raid-1, men de forsøg jeg har lavet med hardware raid-1 har alle givet dobbelt læse hastighed på en simpel "dd" test.


Hvilke mærker/modeller har du denne erfaring med?

Godt spørgsmål, jeg har aldrig set maskinen sådan rent fysisk :-). Det er nogle HP servere. Her er lspci:

pimlxh01:~# lspci
pcilib: Cannot open /sys/bus/pci/devices
0000:00:00.0 Host bridge: ServerWorks CNB20-HE Host Bridge (rev 33)
0000:00:00.1 Host bridge: ServerWorks CNB20-HE Host Bridge
0000:00:00.2 Host bridge: ServerWorks CNB20-HE Host Bridge
0000:00:03.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27) 0000:00:04.0 System peripheral: Compaq Computer Corporation: Unknown device b203 (rev 01) 0000:00:04.2 System peripheral: Compaq Computer Corporation: Unknown device b204 (rev 01)
0000:00:0f.0 ISA bridge: ServerWorks CSB5 South Bridge (rev 93)
0000:00:0f.1 IDE interface: ServerWorks CSB5 IDE Controller (rev 93)
0000:00:0f.2 USB Controller: ServerWorks OSB4/CSB5 OHCI USB Controller (rev 05)
0000:00:0f.3 Host bridge: ServerWorks GCLE Host Bridge
0000:00:10.0 Host bridge: ServerWorks: Unknown device 0101 (rev 05)
0000:00:10.2 Host bridge: ServerWorks: Unknown device 0101 (rev 05)
0000:00:11.0 Host bridge: ServerWorks: Unknown device 0101 (rev 05)
0000:00:11.2 Host bridge: ServerWorks: Unknown device 0101 (rev 05)
0000:01:03.0 RAID bus controller: Compaq Computer Corporation Smart Array 5i/532 (rev 01) 0000:02:01.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5703 Gigabit Ethernet (rev 02) 0000:02:02.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5703 Gigabit Ethernet (rev 02) 0000:06:01.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5782 Gigabit Ethernet (rev 03) 0000:06:1e.0 PCI Hot-plug controller: Compaq Computer Corporation PCI Hotplug Controller (rev 14)

Mvh. Baldur


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