Re: Building a 1pb volume

2013-02-06 Thread Thomas Cameron
On 01/09/2013 10:26 AM, arag...@dcsnow.com wrote: Never hurts to look at it. I understood that quite some steps were taken (now at 0.53) Some people regards the stuff from Microsoft not even beta-grade ;-) Same discussion was for reiserfs and currently for btrfs. By trying out, you can get

Re: Building a 1pb volume

2013-02-06 Thread Ian Pilcher
On 01/09/2013 09:15 AM, j.witvl...@mindef.nl wrote: I am currently considering some less expensive storage arrays using 4TB SAS disks in 5+1 RAID 5 configurations (each array would be responsible for 10 such volumes). This will give me one level of protection. Then I'm going to propose a DR

Building a 1pb volume

2013-01-09 Thread aragonx
Hi, I'm looking to build a 1PB (usable) volume on a Fedora or Redhat platform.  The volume (has to be a single volume) will be shared out by NFS.  My considerations in the order of importance are: Data loss Cost Speed I am currently considering some less expensive storage arrays using 4TB

RE: Building a 1pb volume

2013-01-09 Thread J.Witvliet
From: users-boun...@lists.fedoraproject.org [mailto:users-boun...@lists.fedoraproject.org] On Behalf Of arag...@dcsnow.com Sent: Wednesday, January 09, 2013 4:09 PM To: users@lists.fedoraproject.org Subject: Building a 1pb volume Hi, I'm looking to build a 1PB (usable) volume on a Fedora

Re: Building a 1pb volume

2013-01-09 Thread Adrian Sevcenco
On 01/09/2013 05:09 PM, arag...@dcsnow.com wrote: Hi, I'm looking to build a 1PB (usable) volume on a Fedora or Redhat platform. The volume (has to be a single volume) will be shared out by NFS. My considerations in the order of importance are: at this size i imagine that you need some speed

Re: Building a 1pb volume

2013-01-09 Thread Jens Neu
Hi there, some thoughts on that: On 09.01.2013 17:09, arag...@dcsnow.com wrote: Data loss this is a matter of backup strategy, you mean availability here? Cost Speed I am currently considering some less expensive storage arrays using 4TB SAS disks in 5+1 RAID 5 configurations (each array

Re: Building a 1pb volume

2013-01-09 Thread aragonx
Hi there, some thoughts on that: On 09.01.2013 17:09, arag...@dcsnow.com wrote: Data loss this is a matter of backup strategy, you mean availability here? This is a long term archive and this data will only reside here. afaik the biggest SAS disks are 900GB, you mean NL-SAS? Even

RE: Building a 1pb volume

2013-01-09 Thread aragonx
You might want to take a look at ceph: http://ceph.com/docs/master/ http://ceph.com/ceph-storage/block-storage/ Ceph/Rados appear to still be in the beta stage.  Is that not true?  The 0.48 version number doesn't leave me with a lot of confidence. -- This message has been scanned for

RE: Building a 1pb volume

2013-01-09 Thread J.Witvliet
scalable. Hans From: users-boun...@lists.fedoraproject.org [mailto:users-boun...@lists.fedoraproject.org] On Behalf Of arag...@dcsnow.com Sent: Wednesday, January 09, 2013 5:08 PM To: Community support for Fedora users Subject: RE: Building a 1pb volume You might want to take a look at ceph

RE: Building a 1pb volume

2013-01-09 Thread aragonx
Never hurts to look at it. I understood that quite some steps were taken (now at 0.53) Some people regards the stuff from Microsoft not even beta-grade ;-) Same discussion was for reiserfs and currently for btrfs. By trying out, you can get confidence, and from the description it looks

Re: Building a 1pb volume

2013-01-09 Thread Adrian Sevcenco
On 01/09/2013 06:04 PM, arag...@dcsnow.com wrote: I calculated we would need 3 racks for the arrays, servers and switches. We have the space in our datacenter so that won't be an issue. Why 3 racks? in a 42U racks you can have 2 X : 1 X 2U server with 2 X RAID HCA and 1 X 10 Gbit NIC (2 ports)