From: Maxim Tyurin <mrkooll@bungarus.info>
To: ALT Linux sysadmin discuss <sysadmins@lists.altlinux.org>
Subject: Re: [Sysadmins] оптимизация дисковой подсистемы (linux multi-disk server howto)
Date: Sun, 06 Jan 2008 20:20:36 +0200
Message-ID: <47811BF4.8080302@bungarus.info> (raw)
In-Reply-To: <477FF159.6080405@solin.spb.ru>
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Aleksey Avdeev пишет:
\skip
> Последняя система, поднятая после прочтения, развита так (4 идентичных
> диска):
>
> $ sudo -H fdisk -l /dev/sda
> Password:
>
> Disk /dev/sda: 500.1 GB, 500107862016 bytes
> 255 heads, 63 sectors/track, 60801 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
>
> Device Boot Start End Blocks Id System
> /dev/sda1 * 1 17 131040+ fd Linux raid
> autodetect
> Partition 1 does not end on cylinder boundary.
> /dev/sda2 17 82 524288 fd Linux raid
> autodetect
> Partition 2 does not end on cylinder boundary.
> /dev/sda3 82 16791 134217728 fd Linux raid
> autodetect
> /dev/sda4 16791 60802 353513496 fd Linux raid
> autodetect
>
> $ cat /proc/mdstat
> Personalities : [raid1] [raid6] [raid5] [raid4] [raid0]
> md3 : active raid0 sdb3[1] sda3[0]
> 268435200 blocks 128k chunks
>
> md1 : active raid1 sdd2[3] sdc2[2] sdb2[1] sda2[0]
> 524224 blocks [4/4] [UUUU]
>
> md4 : active raid0 sdd3[1] sdc3[0]
> 268435200 blocks 128k chunks
>
> md2 : active raid5 sdd4[3] sdc4[2] sdb4[1] sda4[0]
> 1060540032 blocks level 5, 128k chunk, algorithm 0 [4/4] [UUUU]
>
> md0 : active raid1 sdd1[3] sdc1[2] sdb1[1] sda1[0]
> 130944 blocks [4/4] [UUUU]
>
> unused devices: <none>
>
> Правильно ли я сделал?
>
> PS: Разделы входящие в md0 (sd*1) не выровнены сознательно: это /boot.
md0 это raid1
Выравнивание по цилиндру для него не критично.
Вот для raid5 другое дело.
--
With Best Regards, Maxim Tyurin
JID: MrKooll@jabber.pibhe.com
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next prev parent reply other threads:[~2008-01-06 18:20 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-25 9:39 ` [Sysadmins] оптимизация дисковой подсистемы (linux multi-disk server howto) (was: OpenVZ, VServer и полудесяток) Michael Shigorin
2007-12-25 10:14 ` Denis Smirnov
2007-12-25 15:51 ` Eugene Prokopiev
2007-12-25 18:45 ` Michael Shigorin
2007-12-26 6:38 ` Eugene Prokopiev
2007-12-26 6:47 ` Michael Shigorin
2007-12-26 8:25 ` Denis Smirnov
2007-12-26 10:37 ` Eugene Prokopiev
2007-12-27 20:59 ` [Sysadmins] оптимизация дисковой подсистемы (linux multi-disk server howto) Michael Shigorin
2007-12-28 15:33 ` [Sysadmins] оптимизация дисковой подсистемы (linux multi-disk server howto) (was: OpenVZ, VServer и полудесяток) Денис Смирнов
2007-12-29 7:40 ` Eugene Prokopiev
2007-12-30 19:02 ` Денис Смирнов
2007-12-26 8:24 ` Денис Смирнов
2007-12-26 10:38 ` Eugene Prokopiev
2007-12-27 20:58 ` [Sysadmins] оптимизация дисковой подсистемы (linux multi-disk server howto) Michael Shigorin
2007-12-28 15:31 ` [Sysadmins] оптимизация дисковой подсистемы (linux multi-disk server howto) (was: OpenVZ, VServer и полудесяток) Денис Смирнов
2007-12-29 15:45 ` [Sysadmins] оптимизация дисковой подсистемы (linux multi-disk server howto) Maxim Tyurin
2007-12-30 19:04 ` Денис Смирнов
2007-12-31 16:31 ` Maxim Tyurin
2008-01-03 9:42 ` Aleksey Avdeev
2008-01-03 20:53 ` Maxim Tyurin
2008-01-05 13:40 ` Aleksey Avdeev
2008-01-05 20:48 ` Maxim Tyurin
2008-01-05 21:06 ` Aleksey Avdeev
2008-01-06 18:20 ` Maxim Tyurin [this message]
2008-01-08 22:48 ` Michael Shigorin
2008-01-04 16:23 ` Michael Shigorin
2008-01-05 13:44 ` Aleksey Avdeev
2008-01-08 22:49 ` Michael Shigorin
2007-12-25 11:02 ` [Sysadmins] оптимизация дисковой подсистемы (linux multi-disk server howto) (was: OpenVZ, VServer и полудесяток) Michael Shigorin
2007-12-25 12:24 ` [Sysadmins] оптимизация дисковой подсистемы (linux multi-disk server howto) Michael Shigorin
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