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Date: Sat, 06 Nov 2010 23:44:30 +0200
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Michael Shigorin =D0=C9=DB=C5=D4:
> =F0=CF=C7=CF=CE=D1=CA =D2=C1=DA=CE=D9=C5 io scheduler'=D9, =CD=C5=CE=D1=
 =D5=D3=D4=D2=CF=C9=CC deadline.
>  =20
=E4=C1, =CB=CF=CE=C5=DE=CE=CF. =E1 =D4=D9 BFQ =CE=C5 =D0=D2=CF=C2=CF=D7=C1=
=CC =DE=C1=D3=CF=CD ?
> =E5=D3=CC=C9 =D7=C4=D2=D5=C7 softraid =CE=C5 =DA=C5=D2=CB=C1=CC=CF=CD,
=FA=C5=D2=CB=C1=CC=CF=CD, =D4=CF=CC=D8=CB=CF =DA=C5=D2=CB=C1=CC=CF=CD.
> echo 2048 > /sys/block/md0/md/stripe_cache_size
>  =20
=ED=CD=CD.. =E4=CC=D1 raid1 =D7=D2=CF=C4=C5 =D6 =D3=D4=D2=C1=CA=D0 =CE=C5=
 =C9=D3=D0=CF=CC=D8=DA=D5=C5=D4=D3=D1 ? =E4=C1 =C9 =CE=C5 =D4=CF=CC=D8=CB=
=CF =CE=C1 =D2=C5=CA=C4=C5=20
=DC=D4=C1 =C5=D2=D5=CE=C4=C1 =D0=D2=CF=C9=D3=C8=CF=C4=C9=D4.
> hdparm -a 1024 /dev/sd[a-h] >/dev/null
> hdparm -a 4096 /dev/md[04] >/dev/null
>
>  =20
=EB=C1=CB =CD=CF=D6=C5=D4 read-ahead =D7=CC=C9=D1=D4=D8 =CE=C1 =D0=D2=CF=C9=
=DA=D7=CF=C4=C9=D4=C5=CC=D8=CE=CF=D3=D4=D8 =DA=C1=D0=C9=D3=C9 ? =F7=D0=D2=
=CF=DE=C5=CD =D0=CF=D0=D2=CF=C2=D5=C0.

--=20
SY,=20
   Yura Kalinichenko