[zfs-discuss] dedup experience with sufficient RAM/l2arc/cpu

2011-01-28 Thread Ware Adams
There's a lot of discussion of dedup performance issues (including problems backing out of using it which concerns me), but many/most of those involve relatively limited RAM and CPU configurations. I wanted to see if there is experience that people could share using it on with higher RAM

Re: [zfs-discuss] dedup experience with sufficient RAM/l2arc/cpu

2011-01-28 Thread Ware Adams
On Jan 28, 2011, at 12:21 PM, Richard Elling wrote: On Jan 28, 2011, at 7:13 AM, Ware Adams wrote: SuperMicro 36 bay case 48 GB RAM 2x 5620 CPU Hitachi A7K2000 drives for storage X25-M for l2arc (160 GB) 4x LSI SAS9211-8i Solaris 11 Express I apologize for the shortness, but since

Re: [zfs-discuss] Is my bottleneck RAM?

2011-01-20 Thread Ware Adams
On Jan 20, 2011, at 11:18 AM, Eugen Leitl wrote: I'd expect more than 105290K/s on a sequential read as a peak for a single drive, let alone a striped set. The system has a relatively decent CPU, however only 2GB memory, do you think increasing this to 4GB would noticeably affect

Re: [zfs-discuss] X4540 RIP

2010-11-09 Thread Ware Adams
On Nov 9, 2010, at 12:24 PM, Maurice Volaski wrote: http://www.supermicro.com/products/chassis/4U/?chs=847 Stay away from the 24 port expander backplanes. I've gone thru several and they still don't work right - timeout and dropped drives under load. The 12-port works just fine connected

Re: [zfs-discuss] VM's on ZFS - 7210

2010-08-27 Thread Ware Adams
On Aug 27, 2010, at 2:32 PM, Mark wrote: Saddly most of those options will not work, since we are using a SUN Unified Storage 7210, the only option is to buy the SUN SSD's for it, which is about $15k USD for a pair. We also don't have the ability to shut off ZIL or any of the other

Re: [zfs-discuss] corruption of ZFS on iScsi storage

2010-03-15 Thread Ware Adams
On Mar 15, 2010, at 10:55 AM, Gabriele Bulfon wrote: - In this case, the storage appliance is a legacy system based on linux, so raids/mirrors are managed at the storage side its own way. Being an iscsi target, this volume was mounted as a single iscsi disk from the solaris host, and

Re: [zfs-discuss] corruption of ZFS on iScsi storage

2010-03-15 Thread Ware Adams
On Mar 15, 2010, at 12:13 PM, Gabriele Bulfon wrote: Well, I actually don't know what implementation is inside this legacy machine. This machine is an AMI StoreTrends ITX, but maybe it has been built around IET, don't know. Well, maybe I should disable write-back on every zfs host

[zfs-discuss] Comments on home OpenSolaris/ZFS server

2009-09-28 Thread Ware Adams
Hello, I have been researching building a home storage server based on OpenSolaris and ZFS, and I would appreciate any time people could take to comment on my current leanings. I've tried to gather old information from this list as well as the HCL, but I would welcome anyone's experience

Re: [zfs-discuss] Comments on home OpenSolaris/ZFS server

2009-09-28 Thread Ware Adams
On Sep 28, 2009, at 4:20 PM, Michael Shadle wrote: I agree - SOHO usage of ZFS is still a scary will this work? deal. I found a working setup and I cloned it. It gives me 16x SATA + 2x SATA for mirrored boot, 4GB ECC RAM and a quad core processor - total cost without disks was ~ $1k I believe.