Re: [zfs-discuss] ZFS back on Mac OS X

2011-03-15 Thread Alex Blewitt
MacZFS has been running on OSX since Apple dropped the ball, but only up to onnv_74 for the stable branch. Alex Sent from my iPhone 4 On 15 Mar 2011, at 15:21, Jerry Kemp wrote: > FYI. > > This came across a Mac OS X server list that I am subscribed to. > > Jerry > > > > +++

Re: [zfs-discuss] ZFS ... open source moving forward?

2010-12-11 Thread Alex Blewitt
On Dec 11, 2010, at 14:15, Frank Van Damme wrote: 2010/12/10 Freddie Cash : On Fri, Dec 10, 2010 at 5:31 AM, Edward Ned Harvey wrote: It's been a while since I last heard anybody say anything about this. What's the latest version of publicly released ZFS? Has oracle made it closed-sourc

Re: [zfs-discuss] non-ECC Systems and ZFS for home users

2010-09-26 Thread Alex Blewitt
On 25 Sep 2010, at 19:56, Giovanni Tirloni wrote: > We have correctable memory errors on ECC systems on a monthly basis. It's not > if they'll happen but how often. "DRAM Errors in the wild: a large-scale field study" is worth a read if you have time. http://www.cs.toronto.edu/~bianca/papers

Re: [zfs-discuss] mirrored pool unimportable (FAULTED)

2010-08-28 Thread Alex Blewitt
On 28 Aug 2010, at 16:25, Norbert Harder wrote: > Later, since the development of the ZFS extension was discontinued ... The MacZFS project lives on at Google Code and http://github.com/alblue/mac-zfs Not that it helps if the data has already become corrupted. Alex ___

Re: [zfs-discuss] Mirrored raidz

2010-07-26 Thread Alex Blewitt
On 26 Jul 2010, at 19:51, Dav Banks wrote: > I wanted to test it as a backup solution. Maybe that's crazy in itself but I > want to try it. > > Basically, once a week detach the 'backup' pool from the mirror, replace the > drives, add the new raidz to the mirror and let it resilver and sit for

Re: [zfs-discuss] ZFS compression

2010-07-25 Thread Alex Blewitt
On 25 Jul 2010, at 14:12, Ben wrote: > I've read a small amount about compression, enough to find that it'll effect > performance (not a problem for me) and that once you enable compression it > only effects new files written to the file system. Yes, that's true. Compression on defaults to l

Re: [zfs-discuss] Legality and the future of zfs...

2010-07-09 Thread Alex Blewitt
On 9 Jul 2010, at 20:38, Garrett D'Amore wrote: > On Fri, 2010-07-09 at 15:02 -0400, Miles Nordin wrote: >>>>>>> "ab" == Alex Blewitt writes: >> >>ab> All Mac Minis have FireWire - the new ones have FW800. >> >> I t

Re: [zfs-discuss] Legality and the future of zfs...

2010-07-09 Thread Alex Blewitt
On 9 Jul 2010, at 08:55, James Van Artsdalen wrote: >> On Thu, 8 Jul 2010, Edward Ned Harvey wrote: >> Yep. Provided it supported ZFS, a Mac Mini makes for >> a compelling SOHO server. > > Warning: a Mac Mini does not have eSATA ports for external storage. It's > dangerous to use USB for exte

Re: [zfs-discuss] Native ZFS for Linux

2010-06-11 Thread Alex Blewitt
On Jun 11, 2010, at 11:03, Joerg Schilling wrote: Alex Blewitt wrote: On Jun 11, 2010, at 10:43, Joerg Schilling wrote: Jason King wrote: Well technically they could start with the GRUB zfs code, which is GPL licensed, but I don't think that's the case. As explained in

Re: [zfs-discuss] Native ZFS for Linux

2010-06-11 Thread Alex Blewitt
On Jun 11, 2010, at 10:43, Joerg Schilling wrote: Jason King wrote: Well technically they could start with the GRUB zfs code, which is GPL licensed, but I don't think that's the case. As explained in depth in a previous posting, there is absolutely no legal problem with putting the CDDL

Re: [zfs-discuss] why both dedup and compression?

2010-05-05 Thread Alex Blewitt
Dedup came much later than compression. Also, compression saves both space and therefore load time even when there's only one copy. It is especially good for e.g. HTML or man page documentation which tends to compress very well (versus binary formats like images or MP3s that don't). It gi

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-23 Thread Alex Blewitt
On 22 Apr 2010, at 20:50, Rich Teer wrote: On Thu, 22 Apr 2010, Alex Blewitt wrote: Hi Alex, For your information, the ZFS project lives (well, limps really) on at http://code.google.com/p/mac-zfs. You can get ZFS for Snow Leopard from there and we're working on moving forwards fro

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-22 Thread Alex Blewitt
Rich, Shawn, > Of course, it probably doesn't help that Apple, in their infinite wisdom, > canned > native suport for ZFS in Snow Leopard (idiots). For your information, the ZFS project lives (well, limps really) on at http://code.google.com/p/mac-zfs. You can get ZFS for Snow Leopard from ther

Re: [zfs-discuss] ZFS/OSOL/Firewire...

2010-03-19 Thread Alex Blewitt
On 19 Mar 2010, at 15:30, Bob Friesenhahn wrote: > On Fri, 19 Mar 2010, Khyron wrote: >> Getting better FireWire performance on OpenSolaris would be nice though. >> Darwin drivers are open...hmmm. > > OS-X is only (legally) used on Apple hardware. Has anyone considered that > since Firewire is

Re: [zfs-discuss] USB 3.0 possibilities

2010-02-22 Thread Alex Blewitt
On Feb 22, 2010, at 18:02, Richard Elling wrote: On Feb 22, 2010, at 9:46 AM, A. Krijgsman wrote: Today I received a commecial offer on some external USB 3.0 disk enclosure. Since it was new to me I googled my way to wikipedia and found that the specs say USB 3.0 should have a 5 Gbit speed

Re: [zfs-discuss] ZFS compression on Clearcase

2010-02-04 Thread Alex Blewitt
On 4 Feb 2010, at 16:35, Bob Friesenhahn wrote: > On Thu, 4 Feb 2010, Darren J Moffat wrote: >>> Thanks - IBM basically haven't test clearcase with ZFS compression >>> therefore, they don't support currently. Future may change, as such my >>> customer cannot use compression. I have asked IBM for

Re: [zfs-discuss] Moving a pool from FreeBSD 8.0 to opensolaris

2009-12-24 Thread Alex Blewitt
On 24 Dec 2009, at 21:27, Mattias Pantzare wrote: An EFI label isn't "OS specific formatting"! It is. Not all OS will read an EFI label. You misunderstood the concept of OS specific, I feel. EFI is indeed OS independent; however, that doesn't necesssarily imply that all OSs can read EFI

Re: [zfs-discuss] Moving a pool from FreeBSD 8.0 to opensolaris

2009-12-24 Thread Alex Blewitt
On 24 Dec 2009, at 10:33, Mattias Pantzare wrote: On Thu, Dec 24, 2009 at 04:36, Ian Collins wrote: An EFI label isn't "OS specific formatting"! It is. Not all OS will read an EFI label. You misunderstood the concept of OS specific, I feel. EFI is indeed OS independent; however, that

Re: [zfs-discuss] What can I get with 2x250Gb ?

2009-11-08 Thread Alex Blewitt
If you want any kind of data guarantee, you need to go for a mirrored pool. If you don't want a data guarantee, you can create a single pool (non-mirrored) of the two devs which will give you 500Gb. The key is in the 'zpool create' command zpool create twofifty mirror disk1 disk2 zpool crea

Re: [zfs-discuss] Location of ZFS documentation (source)?

2009-11-04 Thread Alex Blewitt
On 3 Nov 2009, at 14:48, Cindy Swearingen wrote: Alex, You can download the man page source files from this URL: http://dlc.sun.com/osol/man/downloads/current/ FYI there's a couple of nits in the man pages: * the zpool create synopsis hits the 80 char mark. Might be better to fit on sever

Re: [zfs-discuss] Location of ZFS documentation (source)?

2009-11-04 Thread Alex Blewitt
On Tue, Nov 3, 2009 at 2:48 PM, Cindy Swearingen wrote: > Alex, > > You can download the man page source files from this URL: > > http://dlc.sun.com/osol/man/downloads/current/ Thanks, that's great. ___ zfs-discuss mailing list zfs-discuss@opensolaris.o

[zfs-discuss] Location of ZFS documentation (source)?

2009-11-02 Thread Alex Blewitt
The man pages documentation from the old Apple port (http://github.com/alblue/mac-zfs/tree/master/zfs_documentation/man8/) don't seem to have a corresponding source file in the onnv-gate repository (http://hub.opensolaris.org/bin/view/Project+onnv/WebHome) although I've found the text on-line (http

Re: [zfs-discuss] automate zpool scrub

2009-11-01 Thread Alex Blewitt
On Sun, Nov 1, 2009 at 3:45 PM, Vano Beridze wrote: > Now I've logged in and there was a mail saying that cron did not found zpool > > it's in my path > which zpool > /usr/sbin/spool > > Does cron use different PATH setting? Yes. Typically your PATH is set up by various shell initialisations whic

[zfs-discuss] Apple cans ZFS project

2009-10-24 Thread Alex Blewitt
Apple has finally canned [1] the ZFS port [2]. To try and keep momentum up and continue to use the best filing system available, a group of fans have set up a continuation project and mailing list [3,4]. If anyone's interested in joining in to help, please join in the mailing list. [1] http://a