Date: Thu, 29 Jul 2010 09:15:19 -0700 From: David Wolfskill <david@catwhisker.org> To: gahn <ipfreak@yahoo.com> Cc: free bsd <freebsd-current@freebsd.org> Subject: Re: /tmp and swap space Message-ID: <20100729161519.GK12818@albert.catwhisker.org> In-Reply-To: <701277.97445.qm@web52303.mail.re2.yahoo.com>
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[-- Attachment #1 --] On Thu, Jul 29, 2010 at 08:35:30AM -0700, gahn wrote: > hi all: > > is it possible to create /tmp directory under swap space? Certainly; case in point: localhost(9.0-C)[4] uname -v FreeBSD 9.0-CURRENT #71 r210558M: Wed Jul 28 07:46:04 PDT 2010 root@localhost:/usr/obj/usr/src/sys/CANARY localhost(9.0-C)[5] df -h /tmp Filesystem Size Used Avail Capacity Mounted on tmpfs 2.0G 12K 2.0G 0% /tmp localhost(9.0-C)[6] > under solaris, it is automatically created under swap unless one specifically instructs the system not to do so.. Quite so. What I do -- both in CURRENT as well as stable/7 and stable/8 -- is: localhost(9.0-C)[6] grep tmpfs /etc/fstab tmpfs /tmp tmpfs rw,size=2g 0 0 localhost(9.0-C)[7] Note: doing this causes a message: WARNING: TMPFS is considered to be a highly experimental feature in FreeBSD. to be issued. That said, I've been using it quite a bit in the last couple of months, and have never had an issue with it of which I'm aware. The way I used to set up swap-backed /tmp was to have the following in /etc/rc.conf: # tmpmfs="YES" # tmpsize="2048m" # tmpmfs_flags="-i4096 -o async" (but since I'm now using tmpfs, I commented the above out in /etc/rc.conf). Peace, david (a fan of swap-backed /tmp) -- David H. Wolfskill david@catwhisker.org Depriving a girl or boy of an opportunity for education is evil. See http://www.catwhisker.org/~david/publickey.gpg for my public key. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (FreeBSD) iEYEARECAAYFAkxRqRYACgkQmprOCmdXAD05dQCfRpX5dyqVwn0UouQ0C/rHBj9m zY4AnAq4gBH7VedIWKFl54kmPsfLW4pV =NgUv -----END PGP SIGNATURE-----help
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