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From: Andrea Conti <alyf@alyf.net>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Fast checksumming of whole partitions
Date: Sat, 05 Jun 2010 09:32:59 +0200	[thread overview]
Message-ID: <4C09FDAB.1020404@alyf.net> (raw)
In-Reply-To: <20100605063956.GA5125@solfire>

>  Is there any faster and reliable way to checksum
>  whole paritions (not on "per file" base)???

It depends on where your bottleneck is...

If you're cpu-bound you can try with a faster hash: md5sum or even
md4sum would be a good choice (collision resistance is irrelevant in
this application).

On the other hand, if you're limited by disk throughput (which is most
likely) there is not much you can do. After all, you have to read the
data in order to hash it, and that takes time.

andrea



  parent reply	other threads:[~2010-06-05  7:33 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-05  6:39 [gentoo-user] Fast checksumming of whole partitions meino.cramer
2010-06-05  7:19 ` [gentoo-user] " Nikos Chantziaras
2010-06-07 15:48   ` meino.cramer
2010-06-07 17:10     ` walt
2010-06-07 18:47       ` meino.cramer
2010-06-07 17:31     ` Andrea Conti
2010-06-07 18:54       ` meino.cramer
2010-06-11 22:41         ` Mick
2010-06-05  7:32 ` Andrea Conti [this message]
2010-06-05 17:39 ` 7v5w7go9ub0o
2010-06-05 19:23   ` meino.cramer
2010-06-05 20:11     ` Manuel Klemenz
2010-06-06 19:02       ` 7v5w7go9ub0o
2010-06-06 19:47         ` Joerg Schilling
2010-06-06 22:43           ` 7v5w7go9ub0o
2010-06-06 23:12             ` Joerg Schilling
2010-06-06 22:46         ` Neil Bothwick
2010-06-07  1:04           ` 7v5w7go9ub0o
2010-06-05 23:44     ` 7v5w7go9ub0o
2010-06-06 10:19       ` Andrea Conti
2010-06-06 16:55         ` Mick
2010-06-06 18:55         ` 7v5w7go9ub0o
2010-06-06 20:00           ` Mick
2010-06-06 20:45           ` Andrea Conti
2010-06-06 23:06             ` 7v5w7go9ub0o

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