Date: Mon, 21 Nov 2011 22:15:48 -0500 From: Daniel Staal <DStaal@usa.net> To: freebsd-questions@freebsd.org Subject: Re: Setting up ZFS - Filesystem Properties and Installing on Root Message-ID: <68E1A0E2635B77E949FA881C@mac-pro.magehandbook.com> In-Reply-To: <CAKOHg=N4yt0vdac8aZMUTK%2B8EnoSwxhK%2ByWmy7MsOXvKrWEmyw@mail.gmail.com> References: <CAKOHg=PEqeMPN_2dfQ%2B4msi1j7CMUu=iO%2BpSuezRoa_CELzQtw@mail.gmail.com> <88f3d8e819b3420f8e61723bee90ba5e.squirrel@www.magehandbook.com> <CAKOHg=N4yt0vdac8aZMUTK%2B8EnoSwxhK%2ByWmy7MsOXvKrWEmyw@mail.gmail.com>
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--As of November 21, 2011 9:09:45 PM -0500, APseudoUtopia is alleged to have said: > Ok, thank you for the advice. It's on a quad-core xeon, so, in > reference to your suggestion, I'll turn on compression for the entire > pool. I did read that having swap in zfs may cause problems, so I'll > be sticking to the traditional freebsd-swap partition. > > Another quick question about swap: If I have 4 drives, with 512MB > swap, the system uses all 4 swap partitions, correct? So it's not like > it'd be going to waste? I'd have a total of 2 GB swap? --As for the rest, it is mine. I'll admit I don't know. As as I said: I put it on ZFS. ;) It works well enough, as long as I make sure it never runs low on RAM. (Basically, I threw money at the problem.) There are a few cases where compression isn't a win - if you have a section that you know will have mostly non-compressible data it's worth turning off. (I also haven't actually tried it on *root*, just in case... Not that I'd expect problems, but I didn't see the need to take the chance.) But most of my stuff is compressed. Note that changing compression settings doesn't affect anything *currently* on the disk; just new writes. Daniel T. Staal --------------------------------------------------------------- This email copyright the author. Unless otherwise noted, you are expressly allowed to retransmit, quote, or otherwise use the contents for non-commercial purposes. This copyright will expire 5 years after the author's death, or in 30 years, whichever is longer, unless such a period is in excess of local copyright law. ---------------------------------------------------------------
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