Re: [zfs-discuss] Opensolaris is apparently dead

2010-08-16 Thread Joerg Moellenkamp
The problem is: The first time the a software release is considered stable, it takes significant time for the uptake and the moment it's really stable. ZFS was introduced almost 5 years ago to the public and just now it gets mayor uptake in the field. I still don't get it, why brtfs should be

Re: [zfs-discuss] ZFS development moving behind closed doors

2010-08-16 Thread Joerg Moellenkamp
or not ... it has something to do with development processes. And by the way: Wasn't there a comment of Linus Torvals recently that people shound move their low-quality code into the codebase ??? ;) -- ORACLE Joerg Moellenkamp | Sales Consultant Phone: +49 40 251523-460 | Mobile: +4

Re: [zfs-discuss] How to use ZFS on x4270

2009-10-12 Thread Joerg Moellenkamp
Regards Joerg -- Joerg MoellenkampTel: (+49 40) 25 15 23 - 460 Principal Field Technologist Fax: (+49 40) 25 15 23 - 425 Sun Microsystems GmbH Mobile: (+49 172) 83 18 433 Nagelsweg 55 mailto:joerg.moellenk...@sun.com D-20097 Hamburg

Re: [zfs-discuss] ZFS + fsck

2009-11-10 Thread Joerg Moellenkamp
Hi, >> *everybody* is interested in the flag days page. Including me. >> Asking me to "raise the priority" is not helpful. > >> From my perspective, it's a surprise that 'everybody' is interested, as I'm > not seeing a lot of people complaining that the flag day page is not updating. > Only a co

Re: [zfs-discuss] zfs eradication

2009-11-11 Thread Joerg Moellenkamp
Hi, Well ... i think Darren should implement this as a part of zfs-crypto. Secure Delete on SSD looks like quite challenge, when wear leveling and bad block relocation kicks in ;) Regards Joerg Am 11.11.2009 um 17:53 schrieb Cindy Swearingen: > This feature is described in this RFE: > > htt

Re: [zfs-discuss] zfs eradication

2009-11-15 Thread Joerg Moellenkamp
> >> djm> Much better for jurisdictions that allow for that, but not all >> not knowing where something physically is at all times? > > I'm not in a position to discuss this jurisdictions requirements and > rationale on a public mailing list. All I'm saying is that data destruction > base on

Re: [zfs-discuss] raidz data loss stories?

2009-12-22 Thread Joerg Moellenkamp
On 22.12.09 18:42, Roman Naumenko wrote: On Tue, 22 Dec 2009, Ross Walker wrote: Applying classic RAID terms to zfs is just plain wrong and misleading since zfs does not directly implement these classic RAID approaches even though it re-uses some of the algorithms for data recovery. Details do

[zfs-discuss] Different Hash algorithm

2010-02-07 Thread Joerg Moellenkamp
aster checksumming as well as a reduced probability of false positive deduplications due to hash collisions? Regards Joerg -- Joerg Moellenkamp Tel: (+49 40) 25 15 23 - 460 Principal Field Technologist Fax: (+49 40) 25 15 23 - 425 Sun Microsystems GmbH Mobile: (+49 172) 83 1

Re: [zfs-discuss] Deduplication Memory Requirements

2011-05-05 Thread Joerg Moellenkamp
dministration. However this needs good administrative processes. You can use dedup for VMs, but i'm not sure someone should ... Is this a zfs discussion list, or a nexenta sales & promotion list? Well ... i have an opinion how he sees that ... however it's just my own ;) -- ORACL

[zfs-discuss] L2ARC on iSER ramdisks?

2008-10-14 Thread Joerg Moellenkamp
ches are in the laundry at the moment ;-)" I hope this idea is not complete nonsense ... Regards Joerg -- Joerg Moellenkamp Tel: (+49 40) 25 15 23 - 460 Senior Systems Engineer Fax: (+49 40) 25 15 23 - 425 Sun Microsystems GmbH Mobile: (+49 172) 83 18 433 Nagelsweg 55

Re: [zfs-discuss] [n/zfs-discuss] Strange speeds with x4500, Solaris 10 10/08

2009-08-01 Thread Joerg Moellenkamp
Hi Jorgen, warning ... weird idea inside ... Ah it just occurred to me that perhaps for our specific problem, we will buy two X25-Es and replace the root mirror. The OS and ZIL logs can live together and put /var in the data pool. That way we would not need to rebuild the data-pool and all th

[zfs-discuss] find on ZFS much slower than on xfs

2007-09-05 Thread Joerg Moellenkamp
dir_index option like ext3. Is this correct ? And what can i do to speed up such a find operation. I know it?s pathological benchmark, but is there a solution for this performance gap ? Regards Joerg -- Joerg Moellenkamp Tel: (+49 40) 25 15 23 - 460 IT-ArchitectFax

Re: [zfs-discuss] find on ZFS much slower than on xfs

2007-09-05 Thread Joerg Moellenkamp
Hello, in a different benchmark run on the same system, the gfind took 15 minutes whereas the standarf find took 18 minutes. With find and noatime=off the benchmark took 14 minutes. But even this is slow compared to 2-3 minutes of the xfs system. Regards Joerg [EMAIL PROTECTED] schrieb: