Re: [zfs-discuss] Intel SASUC8I - worth every penny

2010-03-21 Thread Daniel Carosone
On Sat, Mar 20, 2010 at 09:50:10PM -0700, Erik Trimble wrote: Nah, the 8x2.5-in-2 are $220, while the 5x3.5-in-3 are $120. And they have a sas expander inside, unlike every other variant of these I've seen so far. Cabling mess win. -- Dan. pgpNzVMcKh5yn.pgp Description: PGP signature

Re: [zfs-discuss] Usage of hot spares and hardware allocation capabilities.

2010-03-21 Thread Robin Axelsson
The motherboard is AMD based and it has two controllers; one OnChip controller that is integrated into the SouthBridge chip (SB750) and an OnBoard controller using the JMicron JMB362 chip and a JMB322 port multiplier. Both controllers supports both AHCI and Native IDE mode which can be

Re: [zfs-discuss] Proposition of a new zpool property.

2010-03-21 Thread Edward Ned Harvey
That would add unnecessary code to the ZFS layer for something that cron can handle in one line. Actually ... Why should there be a ZFS property to share NFS, when you can already do that with share and dfstab? And still the zfs property exists. I think the proposed existence of a ZFS scrub

Re: [zfs-discuss] Proposition of a new zpool property.

2010-03-21 Thread Edward Ned Harvey
Most software introduced in Linux clearly violates the UNIX philosophy. Hehehe, don't get me started on OSX. ;-) And for the love of all things sacred, never say OSX is not UNIX. I made that mistake once. Which is not to say I was proven wrong or anything - but it's apparently a subject

Re: [zfs-discuss] Thoughts on ZFS Pool Backup Strategies

2010-03-21 Thread Edward Ned Harvey
The only tool I'm aware of today that provides a copy of the data, and all of the ZPL metadata and all the ZFS dataset properties is 'zfs send'. AFAIK, this is correct. Further, the only type of tool that can backup a pool is a tool like dd. How is it different to backup a pool, versus

Re: [zfs-discuss] Proposition of a new zpool property.

2010-03-21 Thread Casper . Dik
That would add unnecessary code to the ZFS layer for something that cron can handle in one line. Actually ... Why should there be a ZFS property to share NFS, when you can already do that with share and dfstab? And still the zfs property exists. Probably because it is easy to create new

Re: [zfs-discuss] Proposition of a new zpool property.

2010-03-21 Thread Svein Skogen
On 21.03.2010 14:26, Edward Ned Harvey wrote: Most software introduced in Linux clearly violates the UNIX philosophy. Hehehe, don't get me started on OSX. ;-) And for the love of all things sacred, never say OSX is not UNIX. I made that mistake once. Which is not to say I was proven wrong

Re: [zfs-discuss] Usage of hot spares and hardware allocation capabilities.

2010-03-21 Thread zfs ml
On 3/21/10 4:19 AM, Robin Axelsson wrote: The motherboard is AMD based and it has two controllers; one OnChip controller that is integrated into the SouthBridge chip (SB750) and an OnBoard controller using the JMicron JMB362 chip and a JMB322 port multiplier. Both controllers supports both

Re: [zfs-discuss] ISCSI + RAID-Z + OpenSolaris HA

2010-03-21 Thread Remco Lengers
David, Thanks for the pointers! That version looks more mature from the listed functionality Fencing, and Quorum etc. Would be interested to know how it performs in real life. ..Remco David Magda wrote: On Mar 20, 2010, at 14:37, Remco Lengers wrote: You seem to be concerned about the

Re: [zfs-discuss] CR 6880994 and pkg fix

2010-03-21 Thread Frank Middleton
On 03/15/10 01:01 PM, David Dyer-Bennet wrote: This sounds really bizarre. Yes, it is. ButCR 6880994 is bizarre too. One detail suggestion on checking what's going on (since I don't have a clue towards a real root-cause determination): Get an md5sum on a clean copy of the file, say from a

Re: [zfs-discuss] Rethinking my zpool

2010-03-21 Thread Richard Elling
On Mar 20, 2010, at 10:12 PM, Brandon High wrote: On Sat, Mar 20, 2010 at 1:35 PM, Richard Elling richard.ell...@gmail.com wrote: For those disinclined to click, data retention when mirroring wins over raidz when looking at the problem from the perspective of number of drives available.

Re: [zfs-discuss] CR 6880994 and pkg fix

2010-03-21 Thread Richard Elling
On Mar 21, 2010, at 11:03 AM, Frank Middleton wrote: On 03/15/10 01:01 PM, David Dyer-Bennet wrote: This sounds really bizarre. Yes, it is. ButCR 6880994 is bizarre too. Rolling back to a conversation with Frank last fall, here is the output of fmdump which shows the single bit flip. Extra

[zfs-discuss] VTL with ZFS [was: Thoughts on ZFS Pool Backup Strategies]

2010-03-21 Thread Richard Elling
On Mar 17, 2010, at 6:57 AM, Khyron wrote: Rather, I am asking: Why do we want to adapt zfs send to do something it was never intended to do, and probably won't be adapted to do (well, if at all) anytime soon instead of optimizing existing technologies for this use case? So when you

Re: [zfs-discuss] Thoughts on ZFS Pool Backup Strategies

2010-03-21 Thread Richard Elling
On Mar 21, 2010, at 6:40 AM, Edward Ned Harvey wrote: The only tool I'm aware of today that provides a copy of the data, and all of the ZPL metadata and all the ZFS dataset properties is 'zfs send'. AFAIK, this is correct. Further, the only type of tool that can backup a pool is a tool like

Re: [zfs-discuss] ZFS+CIFS: Volume Shadow Services, or Simple Symlink?

2010-03-21 Thread Richard Elling
On Mar 19, 2010, at 9:25 PM, Edward Ned Harvey wrote: ZFS+CIFS even provides Windows Volume Shadow Services so that Windows users can do this on their own. I'll need to look into that, when I get a moment. Not familiar with Windows Volume Shadow Services, but having people at home

[zfs-discuss] arc_summary.pl results

2010-03-21 Thread Tony MacDoodle
Was wondering if anyone can see any issues with the ARC in the following output? bash-3.00# ./arc_summary.pl System Memory: Physical RAM: 6023 MB Free Memory : 784 MB LotsFree: 90 MB ZFS Tunables (/etc/system): ARC Size: Current Size: 1159 MB (arcsize) Target Size (Adaptive): 2106 MB (c) Min

Re: [zfs-discuss] arc_summary.pl results

2010-03-21 Thread Bob Friesenhahn
On Sun, 21 Mar 2010, Tony MacDoodle wrote: Was wondering if anyone can see any issues with the ARC in the following output? Do you expect us to see something wrong? Based on the cache hit ratio (99%), it seems to be working exceedingly well. Bob -- Bob Friesenhahn

Re: [zfs-discuss] ZFS+CIFS: Volume Shadow Services, or Simple Symlink?

2010-03-21 Thread Edward Ned Harvey
ln -s .zfs/snapshot snapshots Voila. All Windows or Mac or Linux or whatever users are able to easily access snapshots. Clever. Just one minor problem though, you've circumvented the reason why the snapdir property defaults to hidden. This probably won't affect clients that

Re: [zfs-discuss] Proposition of a new zpool property.

2010-03-21 Thread Edward Ned Harvey
Actually ... Why should there be a ZFS property to share NFS, when you can already do that with share and dfstab? And still the zfs property exists. Probably because it is easy to create new filesystems and clone them; as NFS only works per filesystem you need to edit dfstab every time

Re: [zfs-discuss] ZFS+CIFS: Volume Shadow Services, or Simple Symlink?

2010-03-21 Thread Daniel Carosone
On Sun, Mar 21, 2010 at 08:59:29PM -0400, Edward Ned Harvey wrote: ln -s .zfs/snapshot snapshots Voila. All Windows or Mac or Linux or whatever users are able to easily access snapshots. Not being a CIFS user, could you clarify/confirm for me.. is this just a presentation issue, ie