> Where is the best space to read the latest support of
> ZFS with SSD and its roadmap as the latest ZFS
> release adds SSD management to ZFS.
I recommend these blog posts, if you have not read them yet.
ZFS L2ARC
http://blogs.sun.com/brendan/entry/test
ZIL
http://blogs.sun.com/perrin/entry/slog
PM
Subject: Re: [zfs-discuss] SSDs get faster and less expensive
On Jul 21, 2009, at 3:00 PM, Louis-Frédéric Feuillette wrote:
> On Tue, 2009-07-21 at 14:45 -0700, Richard Elling wrote:
>> But to put this in perspective, you would have to *delete* 20 GBytes of
>> data a day on a
On Jul 21, 2009, at 3:00 PM, Louis-Frédéric Feuillette wrote:
On Tue, 2009-07-21 at 14:45 -0700, Richard Elling wrote:
But to put this in perspective, you would have to *delete* 20
GBytes of
data a day on a ZFS file system for 5 years (according to Intel) to
reach the expected endurance.
Fo
On 07/21/09 03:00 PM, Nicolas Williams wrote:
On Tue, Jul 21, 2009 at 02:45:57PM -0700, Richard Elling wrote:
But to put this in perspective, you would have to *delete* 20 GBytes
Or overwrite (since the overwrites turn in to COW writes of new blocks
and the old blocks are released if n
On Tue, Jul 21, 2009 at 02:45:57PM -0700, Richard Elling wrote:
> But to put this in perspective, you would have to *delete* 20 GBytes
Or overwrite (since the overwrites turn in to COW writes of new blocks
and the old blocks are released if not referred to from snapshot).
> of data a day on a ZFS
Louis-Frédéric Feuillette wrote:
On Tue, 2009-07-21 at 14:45 -0700, Richard Elling wrote:
But to put this in perspective, you would have to *delete* 20 GBytes of
data a day on a ZFS file system for 5 years (according to Intel) to
reach the expected endurance.
Forgive my ignorance, but is thi
On Tue, 21 Jul 2009, Richard Elling wrote:
But to put this in perspective, you would have to *delete* 20 GBytes of
data a day on a ZFS file system for 5 years (according to Intel) to reach
the expected endurance. I don't know many people who delete that
much data continuously (I suspect that th
On Tue, 2009-07-21 at 14:45 -0700, Richard Elling wrote:
> But to put this in perspective, you would have to *delete* 20 GBytes of
> data a day on a ZFS file system for 5 years (according to Intel) to
> reach the expected endurance.
Forgive my ignorance, but is this not exactly what a SSD ZIL d
On Jul 21, 2009, at 2:24 PM, Bob Friesenhahn wrote:
On Tue, 21 Jul 2009, Richard Elling wrote:
With wear leveling and zfs you would probably discover that the
drive suddenly starts to wear out all at once once it reaches the
end of its lifetime. Unless drive ages are carefully staggered,
On Tue, 21 Jul 2009, Richard Elling wrote:
With wear leveling and zfs you would probably discover that the drive
suddenly starts to wear out all at once once it reaches the end of its
lifetime. Unless drive ages are carefully staggered, or different types of
drives are intentionally used, it
On Wed 22/07/09 08:21 , "Richard Elling" richard.ell...@gmail.com sent:
> On Jul 21, 2009, at 12:49 PM, Bob Friesenhahn wrote:
>> With wear leveling and zfs you would probably discover that the
>> drive suddenly starts to wear out all at once once it reaches the
>> end of its lifetime. Unless
Richard Elling wrote:
On Jul 21, 2009, at 12:49 PM, Bob Friesenhahn wrote:
On Tue, 21 Jul 2009, Andrew Gabriel wrote:
The X25-M drives referred to are Intel's Mainstream drives, using MLC
flash.
The Enterprise grade drives are X25-E, which currently use SLC flash
(less dense, more reliable,
On Jul 21, 2009, at 12:49 PM, Bob Friesenhahn wrote:
On Tue, 21 Jul 2009, Andrew Gabriel wrote:
The X25-M drives referred to are Intel's Mainstream drives, using
MLC flash.
The Enterprise grade drives are X25-E, which currently use SLC
flash (less dense, more reliable, much longer lasting/
On Tue, 21 Jul 2009, Andrew Gabriel wrote:
The X25-M drives referred to are Intel's Mainstream drives, using MLC flash.
The Enterprise grade drives are X25-E, which currently use SLC flash (less
dense, more reliable, much longer lasting/more writes). The expected lifetime
is similar to an Ente
Bob Friesenhahn wrote:
On Tue, 21 Jul 2009, Richard Elling wrote:
FYI, this is actually a pretty good article which talks about
improvements in SSDs. Don't bet against Moore's Law :-)
Intel boosts speed, cuts prices of solid-state drives
http://news.cnet.com/8301-13924_3-10291582-64.html?tag=n
On Tue, 21 Jul 2009, Richard Elling wrote:
FYI, this is actually a pretty good article which talks about
improvements in SSDs. Don't bet against Moore's Law :-)
Intel boosts speed, cuts prices of solid-state drives
http://news.cnet.com/8301-13924_3-10291582-64.html?tag=newsEditorsPicksArea.0
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