Re: [gentoo-user] ZFS

2013-09-20 Thread Grant
>> > How about hardened? Does ZFS have any problems interacting with >> > grsecurity or a hardened profile? >> >> Has anyone tried hardened and ZFS together? > > I did - I had some problems, but I'm not sure if they were caused by the > combination of ZFS and hardened. There were some issues updat

Re: [gentoo-user] ZFS

2013-09-20 Thread Hinnerk van Bruinehsen
On Thu, Sep 19, 2013 at 06:41:47PM -0400, Douglas J Hunley wrote: > > On Tue, Sep 17, 2013 at 12:32 PM, wrote: > > Spo do I need that overlay at all, or just emerge zfs and its module? > > > You do *not* need the overlay. Everything you need is in portage nowadays > Afaik the overlay even com

Re: [gentoo-user] ZFS

2013-09-20 Thread Hinnerk van Bruinehsen
On Fri, Sep 20, 2013 at 11:20:53AM -0700, Grant wrote: > > How about hardened? Does ZFS have any problems interacting with > > grsecurity or a hardened profile? > > Has anyone tried hardened and ZFS together? > Hi, I did - I had some problems, but I'm not sure if they were caused by the combinat

Re: [gentoo-user] Comparing RAID5/6 rebuild times, SATA vs SAS vs SSD

2013-09-20 Thread Paul Hartman
On Fri, Sep 20, 2013 at 6:20 AM, Tanstaafl wrote: > Hi all, > > Being that one of the big reasons I stopped using RAID5/6 was the rebuild > times - can be DAYS for a large array - I am very curious if anyone has > done, or knows of anyone who has done any tests comparing rebuild times when > using

Re: [gentoo-user] ZFS

2013-09-20 Thread Grant
> How about hardened? Does ZFS have any problems interacting with > grsecurity or a hardened profile? Has anyone tried hardened and ZFS together? - Grant

Re: LVM2+mdraid+systemd (was Re: [gentoo-user] systemd and lvm)

2013-09-20 Thread Stefan G. Weichinger
Am 20.09.2013 18:50, schrieb Canek Peláez Valdés: >> OK. I send this message now and test another few reboots. > > Forgot to mention it: I also enabled mdadm.service. That service is enabled here as well and running fine. # systemctl status lvm2-activation-net.service lvm2-activation-net.serv

Re: LVM2+mdraid+systemd (was Re: [gentoo-user] systemd and lvm)

2013-09-20 Thread Canek Peláez Valdés
On Fri, Sep 20, 2013 at 11:17 AM, Stefan G. Weichinger wrote: > > I haven't yet worked through all your suggestions/descriptions. > > Edited USE-flags and dracut-modules, worked around bug > > https://bugs.gentoo.org/show_bug.cgi?id=485202 > > and rebuilt kernel and initrd. > > Didn't activate LVs

Re: LVM2+mdraid+systemd (was Re: [gentoo-user] systemd and lvm)

2013-09-20 Thread Stefan G. Weichinger
I haven't yet worked through all your suggestions/descriptions. Edited USE-flags and dracut-modules, worked around bug https://bugs.gentoo.org/show_bug.cgi?id=485202 and rebuilt kernel and initrd. Didn't activate LVs ... Now I edited fstab: I had the option "systemd.automount" enabled, like

Re: [gentoo-user] re: duplicated packages

2013-09-20 Thread Alexander Kapshuk
On 09/20/2013 04:37 AM, Dale wrote: > Alexander Kapshuk wrote: >> On 09/19/2013 10:50 PM, Alan McKinnon wrote: >>> On 19/09/2013 20:58, Alexander Kapshuk wrote: Howdy, Is having duplicate packages a good or a bad thing in gentoo? I'm clear about having duplicate packages for the

Re: [gentoo-user] ZFS

2013-09-20 Thread Volker Armin Hemmann
Am 19.09.2013 06:47, schrieb Grant: turn off readahead. ZFS' own readahead and the kernel's clash - badly. Turn off kernel's readahead for a visible performance boon. >>> You are probably not talking about ZFS readahead but about the ARC. >> which does prefetching. So yes. > I'm taking no

Re: LVM2+mdraid+systemd (was Re: [gentoo-user] systemd and lvm)

2013-09-20 Thread Stefan G. Weichinger
Am 20.09.2013 10:46, schrieb Canek Peláez Valdés: > Sorry I took my time, I was busy. > > Well, yours' a complex setup. This is a similar, although simpler, version: At first: thank your for the extended test setup you did and described ... I will dig through it as soon as I find time ... I am q

Re: [gentoo-user] The meaning of number in brackets in /proc/cpuinfo "power management"?

2013-09-20 Thread Todd Goodman
* Pandu Poluan [130920 03:45]: > Hello list! > > Does anyone know the meaning of the 'number between brackets' in the > "power management" line of /proc/cpuinfo? > > For instance (I snipped the "flags" line to not clutter the email: > > processor : 0 > vendor_id : AuthenticAMD > cpu

[gentoo-user] Comparing RAID5/6 rebuild times, SATA vs SAS vs SSD

2013-09-20 Thread Tanstaafl
Hi all, Being that one of the big reasons I stopped using RAID5/6 was the rebuild times - can be DAYS for a large array - I am very curious if anyone has done, or knows of anyone who has done any tests comparing rebuild times when using slow SATA, faster SAS and fastest SSD drives. Of course

Re: [gentoo-user] ZFS

2013-09-20 Thread Tanstaafl
On 2013-09-20 5:17 AM, Joerg Schilling wrote: Douglas J Hunley wrote: 1TB drives are right on the border of switching from RAIDZ to RAIDZ2. You'll see people argue for both sides at this size, but the 'saner default' would be to use RAIDZ2. You're going to lose storage space, but gain an extr

Re: [gentoo-user] ZFS

2013-09-20 Thread Joerg Schilling
Douglas J Hunley wrote: > 1TB drives are right on the border of switching from RAIDZ to RAIDZ2. > You'll see people argue for both sides at this size, but the 'saner > default' would be to use RAIDZ2. You're going to lose storage space, but > gain an extra parity drive (think RAID6). Consumer gra

LVM2+mdraid+systemd (was Re: [gentoo-user] systemd and lvm)

2013-09-20 Thread Canek Peláez Valdés
On Fri, Sep 13, 2013 at 7:42 AM, Stefan G. Weichinger wrote: > Am 12.09.2013 20:23, schrieb Canek Peláez Valdés: > >> Stefan, what initramfs are you using? > > dracut, run via your kerninst-script. > >> Could you please explain how is exactly your layout? From drives to >> partitions to PVs, VGs a

[gentoo-user] The meaning of number in brackets in /proc/cpuinfo "power management"?

2013-09-20 Thread Pandu Poluan
Hello list! Does anyone know the meaning of the 'number between brackets' in the "power management" line of /proc/cpuinfo? For instance (I snipped the "flags" line to not clutter the email: processor : 0 vendor_id : AuthenticAMD cpu family : 21 model : 2 model name