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From: Nikos Chantziaras <realnc@arcor.de>
Subject: [gentoo-user] Re: Lost free space on /
Date: Thu, 11 Jun 2009 11:17:37 +0300
Organization: Lucas Barks
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References: <dd6ae1990906101107v765a7f91w869c7fdb3a34bc11@mail.gmail.com> <200906110906.44497.dirk.heinrichs@online.de> <h0qc0o$kj3$1@ger.gmane.org> <200906110940.24882.dirk.heinrichs@online.de>
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On 06/11/2009 10:40 AM, Dirk Heinrichs wrote:
> Am Donnerstag 11 Juni 2009 09:33:46 schrieb Nikos Chantziaras:
>
>> I tried too but it slows down disk speed to a crawl when there's disk
>> activity by an order of magnitude (commands take 3-4 seconds to execute
>> while without LVM they give sub-second responses.)
>
> Hmm, that's strange. I've never seen this and I use LVM since it first appeared
> on Linux. On Laptops, I even encrypt the logical volumes without a significant
> speed impact.
It's only there where's disk activity. For example, if I have 4 or more
torrents downloading. When that happens, typing "mc" (to start midnight
commander) needs about 4 seconds. It's almost instant without LVM.
The speed impact on one of my servers (100+ shell users) was dramatic.
10 seconds for a simple "ls /" for example.