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From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@9fans.net
Subject: Re: [9fans] Survey: Current Fossil+venti Filesystem
Date: Thu, 23 Jun 2011 12:37:49 -0400	[thread overview]
Message-ID: <9e287164146271782e2b4d83398bb993@ladd.quanstro.net> (raw)
In-Reply-To: <BANLkTimZTQ8sLsQXqyO3L_0+_VnbVhfDLA@mail.gmail.com>

> The main point I took from the talk they gave was that failure was
> most strongly related to the number of writes in FLASH. If your
> striping strategy is to duplicate writes to each drive, you faced the
> happy prospect of doing a write and having both drives fail at the
> same time. Hard drives have a different way of failing. We've seen
> weirdness like this here, with drives in a bunch of nodes that all
> seem to fail simultaneously, well within rated lifetime. Not cheap
> drives either. Of course that was a little while ago and things seem
> to have gotten better, but it's worth a warning.

that's very interesting.  i haven't seen that at all.  the drives
that i've seen fail in bunches have been regular old hard drives.

- erik



  reply	other threads:[~2011-06-23 16:37 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-22 13:50 Jack Norton
2011-06-22 14:02 ` erik quanstrom
2011-06-22 15:13 ` Charles Forsyth
2011-07-03  9:07   ` Steve Simon
2011-06-23  8:46 ` David du Colombier
2011-06-23 10:03   ` Richard Miller
2011-06-23 10:35   ` Adrian Tritschler
2011-06-23 14:51   ` Jack Norton
2011-06-23 15:25     ` dexen deVries
2011-06-23 15:27       ` erik quanstrom
2011-06-23 15:57         ` ron minnich
2011-06-23 16:19           ` erik quanstrom
2011-06-23 16:28             ` ron minnich
2011-06-23 16:37               ` erik quanstrom [this message]
2011-06-23 18:47               ` Bakul Shah
2011-06-24 22:44                 ` Akshat Kumar
2011-06-23 16:56           ` Charles Forsyth
2011-06-23 16:58           ` Charles Forsyth
2011-06-23 17:02         ` Jack Norton
2011-06-23 17:50           ` erik quanstrom
2011-06-23 15:27     ` Charles Forsyth
2011-06-23 15:57     ` David du Colombier
2011-06-23 16:20 ` smiley

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