Re: [zfs-discuss] ZFS on Fit-PC Slim?

2008-11-06 Thread Jonathan Hogg
On 6 Nov 2008, at 04:09, Vincent Fox wrote: > According to the slides I have seen, a ZFS filesystem even on a > single disk can handle massive amounts of sector failure before it > becomes unusable. I seem to recall it said 1/8th of the disk? So > even on a single disk the redundancy in t

Re: [zfs-discuss] zfs-auto-snapshot default schedules

2008-09-25 Thread Jonathan Hogg
On 25 Sep 2008, at 17:14, Darren J Moffat wrote: > Chris Gerhard has a zfs_versions script that might help: > http://blogs.sun.com/chrisg/entry/that_there_is Ah. Cool. I will have to try this out. Jonathan ___ zfs-discuss mailing list zfs-discuss@ope

Re: [zfs-discuss] zfs-auto-snapshot default schedules

2008-09-25 Thread Jonathan Hogg
On 25 Sep 2008, at 14:40, Ross wrote: > For a default setup, I would have thought a years worth of data > would be enough, something like: Given that this can presumably be configured to suit everyone's particular data retention plan, for a default setup, what was originally proposed seems

Re: [zfs-discuss] Announcement: The Unofficial Unsupported Python ZFS API

2008-07-14 Thread Jonathan Hogg
On 14 Jul 2008, at 16:07, Will Murnane wrote: > As long as I'm composing an email, I might as well mention that I had > forgotten to mention Swig as a dependency (d'oh!). I now have a > mention of it on the page, and a spec file that can be built using > pkgtool. If you tried this before and gav

Re: [zfs-discuss] SATA controller suggestion

2008-06-09 Thread Jonathan Hogg
On 9 Jun 2008, at 14:59, Thomas Maier-Komor wrote: >> time gdd if=/dev/zero bs=1048576 count=10240 of=/data/video/x >> >> real 0m13.503s >> user 0m0.016s >> sys 0m8.981s >> >> > > Are you sure gdd doesn't create a sparse file? One would presumably expect it to be instantaneous if it was creating

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-30 Thread Jonathan Hogg
On 30 May 2008, at 15:49, J.P. King wrote: > For _my_ purposes I'd be happy with zfs send/receive, if only it was > guaranteed to be compatible between versions. I agree that the > inability > to extract single files is an irritation - I am not sure why this is > anything more than an implement

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-29 Thread Jonathan Hogg
On 29 May 2008, at 17:52, Chris Siebenmann wrote: > The first issue alone makes 'zfs send' completely unsuitable for the > purposes that we currently use ufsdump. I don't believe that we've > lost > a complete filesystem in years, but we restore accidentally deleted > files all the time. (And sn

Re: [zfs-discuss] zfs equivalent of ufsdump and ufsrestore

2008-05-29 Thread Jonathan Hogg
On 29 May 2008, at 15:51, Thomas Maier-Komor wrote: >> I very strongly disagree. The closest ZFS equivalent to ufsdump is >> 'zfs >> send'. 'zfs send' like ufsdump has initmiate awareness of the the >> actual on disk layout and is an integrated part of the filesystem >> implementation. >> >> s

[zfs-discuss] Video streaming and prefetch

2008-05-06 Thread Jonathan Hogg
Hi all, I'm new to this list and ZFS, so forgive me if I'm re-hashing an old topic. I'm also using ZFS on FreeBSD not Solaris, so forgive me for being a heretic ;-) I recently setup a home NAS box and decided that ZFS is the only sensible way to manage 4TB of disks. The primary use of the b