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lug-bg: losh SATA performance
- Subject: lug-bg: losh SATA performance
- From: Andrey Andreev <andreev@xxxxxxxxxxxxxx>
- Date: Thu, 26 Feb 2004 13:52:09 +0200
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Zdrawejte,
Na mashinata si imam 2 diska:
/dev/hda -> 80 GB Maxtor DiamondMax 9+ (Parallel ATA) 6Y080L0
i
/dev/hde -> 160 GB Seagate Barracuda (Serial ATA) ST3160023AS
hda e zakachen na NForce2 ide controller (paralelen interface) wgraden w
chipseta
hde e zakachen na Silicon Image SiI3112 Serial ATA controller, zalepen
na dynoto
Linuxyt e Fedora Core 1, s Fedora stock kernel 2.4.22-1.2174.nptl
hdparm-s sa slednite
[root@brie home]# hdparm /dev/hda
/dev/hda:
~ multcount = 16 (on)
~ IO_support = 3 (32-bit w/sync)
~ unmaskirq = 1 (on)
~ using_dma = 1 (on)
~ keepsettings = 0 (off)
~ readonly = 0 (off)
~ readahead = 8 (on)
~ geometry = 9964/255/63, sectors = 160086528, start = 0
[root@brie home]# hdparm /dev/hde
/dev/hde:
~ multcount = 16 (on)
~ IO_support = 3 (32-bit w/sync)
~ unmaskirq = 1 (on)
~ using_dma = 1 (on)
~ keepsettings = 0 (off)
~ readonly = 0 (off)
~ readahead = 8 (on)
~ geometry = 19457/255/63, sectors = 312581808, start = 0
problemyt e sledniq:
[root@brie home]# hdparm -T -t /dev/hda
/dev/hda:
~ Timing buffer-cache reads: 1688 MB in 2.00 seconds = 844.00 MB/sec
~ Timing buffered disk reads: 160 MB in 3.09 seconds = 51.78 MB/sec
[root@brie home]# hdparm -T -t /dev/hde
/dev/hde:
~ Timing buffer-cache reads: 1688 MB in 2.00 seconds = 844.00 MB/sec
~ Timing buffered disk reads: 78 MB in 3.07 seconds = 25.41 MB/sec
T.e. SATA diskyt e znachitelno po bawen ot drugiq. Towa e osezaemo i pri
rabota. Wyprosyt e che ne bi trqbwalo da e taka...
Imate li nqkakwi idei kak da oprawq performance-a na wyprosniq disk.
Mersi predwaritelno.
Andrey Andreev
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