Date: Wed, 24 Jun 2009 08:20:04 GMT From: Dan Naumov <dan.naumov@gmail.com> To: freebsd-doc@FreeBSD.org Subject: Re: docs/135983: "The Z File System" - title is misleading and causes search issue Message-ID: <200906240820.n5O8K4g5097079@freefall.freebsd.org>
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The following reply was made to PR docs/135983; it has been noted by GNATS. From: Dan Naumov <dan.naumov@gmail.com> To: bug-followup@FreeBSD.org, dan.naumov@gmail.com Cc: Subject: Re: docs/135983: "The Z File System" - title is misleading and causes search issue Date: Wed, 24 Jun 2009 11:14:12 +0300 Hopefully you didn't take an offense to my initial PR, the Handbook guide was what actually had me started on getting into ZFS with FreeBSD :) Either way, I had some other changes in mind as well, for example the RAID-Z example uses a pool made of 2 disks. While it will obviously work, all SUN documentation indicates that the suggested amount of vdevs for a RAIDZ or RAIDZ2 pool is between 3 and 9 devices and that bigger pools should be broken up to be made of smaller groups of vdevs (for example 2 x 7disk RAIDZ for a single pool 14 disk setup).. Using RAIDZ with just 2 disks will result in slower performance than simply using a ZFS mirror and using more than 9 disks is likely to cause problems with parity computations (I have already heard stories of people running into Bad Things (tm) while using a 24-disk RAIDZ-2 and a 14-disk RAIDZ configurations during resilvering and scrubs). Things like this definitely deserve a mention. If you don't have much time, I could see if I could find a few moments over the next week or 2 to make a few changes. What's the proposed format of change submissions? Are edited files ok or does one need to submit patches and if it's the latter, whats the syntax for making properly suited diffs? - Sincerely, Dan Naumov
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