Date: Fri, 14 Aug 2015 11:24:52 -0500 From: Tim Daneliuk <tundra@tundraware.com> To: freebsd-stable@freebsd.org Subject: Re: Swap Questions Message-ID: <55CE1654.8030304@tundraware.com> In-Reply-To: <874mk1g9b6.fsf@elk.localnet> References: <55CDE9EE.5090603@tundraware.com> <280266DF-AD94-4DC2-A5E1-AD0603B33BFE@punkt.de> <55CDFF32.3020809@tundraware.com> <874mk1g9b6.fsf@elk.localnet>
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On 08/14/2015 10:48 AM, Carl Johnson wrote: > Tim Daneliuk <tundra@tundraware.com> writes: > >> On 08/14/2015 08:53 AM, Patrick M. Hausen wrote: >>> HI! >>> >>>> Am 14.08.2015 um 15:15 schrieb Tim Daneliuk <tundra@tundraware.com>: >>>> >>>> I just built a 10.2 machine on a cloud-based VPS (Digital Ocean) that has >>>> 512M of memory and 1G of swap partition. I am seeing a ton of errors like >>>> this: >>>> >>>> [...] >>>> So, I added this to fstab (after creating /usr/swap0): >>> >>> Did you create it with dd or just with touch? You need to create a >>> file that actually occupies the disk blocks with dd. >>> >>> HTH >>> Patrick >>> >> >> The file was actually created, and space reserved. > > Try removing the md99 device with mdconfig and then run the swapon again. > Now we're getting somewhere. The problem I discovered is that if I do this: 1) Remove fstab entry for swap file and reboot 2) Reinstall fstab entry for swap and swapon Voila' - it works. BUT ... if I then swapoff that disk *the md device does not go away and cannot be removed with mdcoswapon -a swapon: md99 on /usr/swap0: Device already in use nfig: mdconfig -d md99 mdconfig: file can only be used with -a I also cannot reenable it as swap again (which is why this appeared to not be working: swapon -a swapon: md99 on /usr/swap0: Device already in use IOW, the system thinks the /dev/md99 is still in use even though I have swapped it off and will neither automatically remove the device nor allow me to do so manually. Ideas anyone? (And that for all the help from you folks...) ---------------------------------------------------------------------------- Tim Daneliuk tundra@tundraware.com PGP Key: http://www.tundraware.com/PGP/
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